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HomeMy WebLinkAbout20171041 Ver 1_Mitigation Plans_20181030FINAL MITIGATION PLAN Little Sebastian Stream Mitigation Site Surry County, North Carolina Yadkin River Basin HUC 03040101 DMS Project #: 100027 Contract #: 7187 USACE Action ID #: SAW -2017-01507 RFP #: 16-006993 Prepared for: Prepared by: NC Department of Environmental Quality Division of Mitigation Services 1652 Mail Service Center Raleigh, NC 27699-1652 Resource Environmental Solutions, LLC For Environmental Banc & Exchange, LLC 302 Jefferson Street, Suite 110 Raleigh, NC 27605 919-209-1052 res November 2018 "This mitigation plan has been written in conformance with the requirements of thefollowing: • Federal rule for compensatory mitigation project sites as described in the Federal Register Title 33 Navigation and Navigable Waters Volume 3 Chapter 2 Section § 332.8 paragraphs (c)(2) through (c)(14). • NCDEQ Division of Mitigation Services In -Lieu Fee Instrument signed and dated July 28, 2010 These documents govern NCDMS operations and procedures for the delivery of compensatory mitigation. " Regulatory Division DEPARTMENT OF THE ARMY WILMINGTON DISTRICT, CORPS OF ENGINEERS 69 DARLINGTON AVENUE WILMINGTON, NORTH CAROLINA 28403-1343 October 30, 2018 Re: NCIRT Review and USACE Approval of the Little Sebastian Draft Mitigation Plan; SAW - 2017 -01507; DMS Project #100027 Mr. Tim Baumgartner North Carolina Division of Mitigation Services 1652 Mail Service Center Raleigh, NC 27699-1652 Dear Mr. Baumgartner: The purpose of this letter is to provide the North Carolina Division of Mitigation Services (NCDMS) with all comments generated by the North Carolina Interagency Review Team (NCIRT) during the 30 -day review for the Little Sebastian Draft Mitigation Plan, which closed on July 27, 2018. Please note the comment period was extended to allow the provider to respond to project concerns. These comments are attached for your review. Based on our review of these comments and the provider's response to comments, we have determined that no major concerns have been identified with the Draft Mitigation Plan, which is considered approved with this correspondence. However, the provider's proposed changes to the Draft Mitigation Plan, in response to issues identified in the memo, must be addressed in the Final Mitigation Plan. The Final Mitigation Plan is to be submitted with the Preconstruction Notification (PCN) Application for Nationwide permit approval of the project along with a copy of this letter. All changes made to the Final Mitigation Plan should be summarized in an errata sheet included at the beginning of the document. If it is determined that the project does not require a Department of the Army permit, you must still provide a copy of the Final Mitigation Plan, along with a copy of this letter, to the appropriate USACE field office at least 30 days in advance of beginning construction on the project site. Please note that this approval does not preclude the inclusion of permit conditions in the permit authorization for the project, particularly if issues referenced above are not satisfactorily addressed. Additionally, this letter provides initial approval for the Mitigation Plan, but this does not guarantee that the project will generate the requested amount of mitigation credit. As you are aware, unforeseen issues may arise during construction or monitoring of the project that may require maintenance or reconstruction that may lead to reduced credit. Thank you for your prompt attention to this matter, and if you have any questions regarding this letter, the mitigation plan review process, or the requirements of the Mitigation Rule, please contact Andrea Hughes at (919) 554-4884 extension 59. Sincerely, for Henry M. Wicker Deputy Chief, Wilmington District Enclosures Electronic Copies Furnished: NCIRT Distribution List Paul Wiesner, NCDMS From: Hughes, Andrea W CIV USARMY CESAW (US) To: Baumaartner, Tim Cc: Wiesner, Paul; Tuawell, Todd J CIV USARMY CESAW (US); Browning. Kimberly D CIV USARMY CESAW (US); Haunt. Mac; Wilson, Travis W.; andrea.leslie(cbncwildlife.org; marella buncick(a)fws.aov; boron hamstead(a fws.gov; McLendon. C S CIV USARMY CESAW (US); Wicker. Henry M Jr CIV USARMY CESAW LUS ; Matthews, Monte K CIV USARMY CESAW (US); Kichefski. Steven L CIV USARMY CESAW (US); Elliott, William A CIV USARMY CESAW (US); Gledhill-earley. Renee; Bowers, Todd; Cara Conder Subject: [EXTERNAL] NCDMS Draft Mitigation Plan Comments, Further Review Required/Little Sebastian Mitigation Site/SAW-2017-01507/Surry County Date: Monday, September 03, 2018 9:05:09 PM Attachments: Draft Mit Plan Comment Memo NCDMS Little Sebastian Mitigation Site SAW-2017-01507 Surry County.ndf Mr. Baumgartner, The 30 -day comment review period for the Little Sebastian Draft Mitigation Plan (SAW -2017-01507) closed on July 27, 2018. All comments that were posted on the Mitigation Plan SharePoint Review Site during the review process are attached for your records. We have evaluated the comments generated during the review period, and determined that additional information is required in order to complete our review. Please provide a response to the attached comment memo with copies of any proposed revisions to the Draft Mitigation Plan. Once we have reviewed and concurred with the information and any proposed changes, we will be able continue with the review process, and provide the IRT with notification that we intend to approve the Mitigation Plan. After approval, all revisions will need to be included in the Final Mitigation Plan to be submitted with the PCN application. Please let us know if you have any questions about specific comments, this process, or additional information that is requested. We will continue to coordinate with you on this project in an effort to resolve concerns as quickly as possible. Andrea W. Hughes Mitigation Project Manager Regulatory Division, Wilmington District 11405 Falls of Neuse Road Wake Forest, North Carolina 27587 Phone: (843) 566-3857 REPLY TO ATTENTION OF: CESAW-RG/Hughes DEPARTMENT OF THE ARMY WILMINGTON DISTRICT, CORPS OF ENGINEERS 69 DARLINGTON AVENUE WILMINGTON, NORTH CAROLINA 28403-1343 MEMORANDUM FOR RECORD September 3, 2018 SUBJECT: NCDMS Little Sebastian Draft Mitigation Plan - NCIRT Comments During 30 -day Mitigation Plan Review PURPOSE: The comments listed below were posted to the NCDMS SharePoint Site during the 30 -day comment period in accordance with Section 332.8(g) of the 2008 Mitigation Rule. NCDMS Project Name: NCDMS Little Sebastian Mitigation Site, Surry County, North Carolina USACE AID#: SAW -2017-01507 NCDMS #: 100027 30 -Day Comment Deadline: July 27, 2018. Todd Bowers, USEPA, July 27, 2018 See Attached Comments Mac Haupt, NCD WR, May 18, 2018: 1. In the future, please try to minimize changes to the reach names from the initial concept plan to the draft mitigation plan. DWR realizes changes in design or approach may result in changing a reach name from time to time, however, we utilize the initial plan to review our comments to compare to what is being proposed in the draft mitigation plan. 2. Reaches JN2-A, JN3-A, MCI -A, and MC3-A are all labeled as preservation. However, all of these reaches include cattle exclusion fencing and some supplemental planting. This type of reach would then be better labeled as Enhancement. Remembering these reaches, DWR does believe these reaches warrant a 10:1 ratio given the status of the mature riparian buffer. 3. In the Design Approach Section, DWR would like to see some information related to channel substrate size (d50 and d84, etc.), particularly on the larger stream reaches (e.g. JN3-B and MCI -C) where restoration is occurring. 4. Table 15 shows the preservation reaches increasing in length. Why is the proposed length greater than the existing length for these reaches? 5. DWR prefers that RES utilize the October 2016 Mitigation Update for guidance references rather than the 2003 Stream Mitigation Guidelines. 6. DWR questions how there to be no credit loss in the riparian buffer calculations given the appearance of less than 30 foot buffer on JN3-A and JN2-A. 7. It appears the dry detention basin proposed for near the top of BS -1 may be in a jurisdictional stream. 8. On page 31 it is mentioned that reach JN -2A will have supplemental planting but no supplemental planting is shown on the Planting Plan (P 1). 9. DWR would like all typicals to be up-to-date. When we review these draft mitigation plans some of our comments may be based on how you build structures or the size of stone you may include in your constructed riffles (see #3). 10. In Section 6.2, for reach JN3-B, there is no mention of flood plain wetlands. The channel in this reach will be built through some jurisdictional wetlands. It is likely that the raised channel bed will at least enhance the wetlands' hydrology, some mention of this should be in the paragraph. 11. Also, in general, there should be some mention of functional uplift of the existing degraded wetlands on site, there is no discussion of the functional change for the wetlands. 12. Finally, there needs to be two gauges installed along JN3-B at station 6+25 and 9+75 on stream right floodplain. Andrea Hughes, USACE, September 3, 2018: 1. The resource labels should match the labels used in the JD and remain consistent throughout the document. For example, the site map in the design plans depicts Reach MCI and MC2 however, the Sheet List Table (on the same page) refers to MCI and MC 3. The JD map lists MC2/MC3 as JN7 (for the portion shown on the Gideon Site but assumed for the entire reach). The conceptual map provided post site visit list MCI as JN 1 and lists JN7 as MCI. 2. Page 12 indicates that MC3 (A, B, C, and D) is a slightly incised and relatively stable gravel and cobble bed stream that appears to be managing its sediment load and the banks are generally stable throughout. Based on this information, please explain why MC3C 214 LF) is proposed for bank stabilization. (The design sheets do not provide profile details for this reach.) 3. The Morphological Parameters indicate that JN3B is an E3 channel with a BHR of 1.0 and an ER of 3.4 and the design parameters propose an E3 channel with a BHR of 1.0 and an ER of >2.2. The Morphological Parameters indicate that MC 1 C is a E3 channel with a BHR of 1.0 and an ER of 2.9 and the design parameters propose an E3 channel with a BHR of 1.0 and an ER of >2.2. Please explain why these two stream reaches are proposed as restoration. 4. According to the design sheets, JN2A begins at Station 0+0 and ends at 04+38. Figure IOB indicates this reach is 418 LF. Please explain the discrepancy. 5. According to the design plans, it appears that MCIB begins at station 5+00. 6. Maps IOA- IOC are labeled as conceptual plan maps. At the draft mitigation plan stage, the plans should not be conceptual. 7. The plan indicates that additional credits will be generated for extended buffers. However, the calculations do not appear to include terminal ends in the ideal buffer measurements. Please refer to step 4 in the directions for the Buffer Tool. Also, if credits are generated for additional buffers, the 5% exclusion does not apply and any areas that do not meet the minimum buffer on both sides of the channel (JN3-A) will receive a credit deduction. 8. Page 8, Section 3.3 states that the conservation easements will be protected with fencing and areas outside the project will likely remain in agricultural use. However, according to the conceptual map provided after the field visit, it appears that fencing will not extend along one side of Mill Creek or along the east side of JN3A and most of the east side of JN313. Please explain how you will exclude cattle in areas where the fence ends: at the west and south boundary of MCI A, east and south boundary — adjacent to an existing pasture — on MCI C, and the east boundary of the upper portion of JN313. 9. It appears that JN3B will be constructed through existing wetlands. You must document that wetland hydrology is not impaired by channel construction. 10. Page 4, Section 6.5: Please note that revisions to the approved mitigation plan, including credit adjustments, requires submittal of a modification request. 11. Page 42, Table 15: Please explain the existing versus proposed lengths for the preservation and enhancement reaches. 12. Page 44, Bankfull events: You must demonstrate four bankfull events for all restoration reaches. This section indicates crest gauges will be installed on JN2D, JN313, MC1B and BS 1 E. The restoration reaches include JN3B, MC 1 C, BS 1 A, BS 1 C, and BS 1 E. 13. Page 44, Cross Sections and Page 47, Table 16: The entrenchment ratio should be >2.2 for C/E channels and >1.4 for B channels. 14. Please name the party responsible for relocating the power and phone lines. 15. Reaches JN213 and JN2D are proposed for E1. Please add a cross section for each reach to the monitoring plan. DibrnlA18165 HUGHESANDREARAD DNt US, o=USGoement,ouEDDou=PKIou9USA, cn=HUGHES.ANDREA.WADE.1258339165 E.1258339165 Date: 2018.09.03 20:46:37 -04'00' Andrea Hughes Mitigation Project Manager Regulatory Division Memorandum to the Record July 27, 2018 Agency Comments for modification to the North Carolina Division of Mitigation Services In -Lieu Fee Program: Little Sebastian Site (SAW- 2017- 01507) in Surry County, NC Andrea, Thank you for the opportunity to provide feedback and comments on the draft mitigation plan for the Little Sebastian Site as a component of the North Carolina Division of Mitigation Services (NCDMS) In -Lieu Fee Program (Project #: 100027). RES (the Site Sponsor) has presented a potentially viable plan to provide compensatory mitigation for unavoidable jurisdictional stream and wetland impacts associated with the US Army Corps of Engineers Clean Water Act Section 404 permit program (DA#: SAW -2017-01507). The site, as presented in the draft mitigation plan is expected to provide approximately 4,703 cool -temperature stream mitigation units (SMUs) through a combination of stream restoration, enhancement and preservation of non -tidal streams in the Yadkin River 01 watershed (HUC 03040101). Operating in tandem with the adjacent Gideon Mitigation Site (RES Yadkin 01 Umbrella Mitigation Bank), the chosen mitigation site will also provide an excellent opportunity for the restoration, enhancement and preservation of forested riparian buffers of the streams within the project conservation easements. SMU credit also includes that generated by the functional uplift of wider than required riparian buffers within the boundaries defined by the conservation easements. Note: It is understood that site visits may have been made by IRT members and other project managers during the development of site feasibility to provide mitigation credit. In that regard I feel it necessary to mention that I have not been on-site during this process and that my comments may reflect a lack of on-site observation and evaluation. The EPA Region 4 Ocean, Wetlands and Stream Protection Branch offers the following site- specific comments as they pertain to the Little Sebastian Draft Mitigation Plan dated June 2018: • Section I.I/Page 1: Project Components o The adjacent stream mitigation project is currently known as the "Gideon Mitigation Site" as a component of the RES Yadkin 01 Stream and Wetland Umbrella Mitigation Bank. It is listed in this section as well as several other locations in the document as the "Gideon Mitigation Bank" with the exception of Figure 1 Vicinity Map. Recommend updating "Bank" to "Site" when referring to the Gideon project. o While I do not think that a detailed discussion of the Gideon Site is warranted, there should be some emphasis that the Gideon and Little Sebastian sites, both sponsored by RES, will undergo construction in tandem with each other. I would recommend adding the Gideon site conservation easements to any figure, especially Figures l0A-C Conceptual Maps, to alert the reader that this site is indeed adjacent to another proposed site with similar restoration approaches and easement boundaries. Figure 8 of the Gideon Mitigation Site Plan is an example of how maps for the Little Sebastian site could be presented. • Section 3.4/Page 8: o I recommend some clarification in describing easement breaks within the project and those that will be incurred due the Gideon Site boundaries. The bridge across Ed Nixon Rd is a break but an intersite break rather than an intrasite break and should also be noted. o I would also recommend noting that there is, or at least there appears to be, no intersite break at the downstream end of the Gideon Site and the eastern portion of the Little Sebastian Site. Based on the best information I have, Figure 8 of the Gideon Site plan, there appears to be no break as well. • Table 6/Page 10: o There is no reference to or language supporting Table 6. • Section 3.5/Pages 10-15: o Recommend referencing Figure 5 — Existing Conditions Map in discussions of existing channel morphology. o Figure 5 does not have the reaches referenced in Section 3.5 labelled. o Many of the stream descriptions do not describe streams that are worthy of preservation. For example, JN2-A is described as "channel is incised and heavily degraded due to livestock impacts." The photos for JN2-A do not seem to accurately represent this description. o Descriptions for JN2-C and D are missing. o Description of MCI -A includes an active pasture along the left bank yet this reach is proposed for "preservation" when more than cattle exclusion is needed on this reach. o I highly recommend changing the naming of MC3 to MC4 due to the adjacent Gideon Site has MC3 along Mill Creek. This may limit confusion during construction by preventing work on two stream reaches with the same name. o The description for MC3-A is not one that is worthy of preservation as it appears that active pasture is present on the left bank and the immediate upstream and downstream reaches are undergoing some enhancement work. o Recommend adding a table with Table 8 for the Stream Quality Assessment scores found in Appendix H or provide the scores with the individual reach descriptions. • Section 5/Page 25-27: o "Riparian buffer will be restored along all project reaches, except for the preservation reaches" may be considered misleading since descriptions given in Section 6.2 include planting riparian buffers (along with cattle exclusion) for preservation reaches. o Please elaborate on what HF (Highly Functioning) is in accordance with the Stream Functions Pyramid Framework. o Please elaborate on how functional lift above Functioning will be defined and demonstrated. o Recommend changing all Projected Ratings for reaches considered as "HF" to "F" unless the metric for HF is defined and can be demonstrated. • Section 6.2/Pages 30-39: o Generally good descriptions of how the Little Sebastian Site will tie into the Gideon Mitigation Bank (Site!). o It is somewhat difficult to determine what the difference between Preservation and Enhancement II on some of the reaches. For example, MC 1-B is undergoing EII yet has no stream work proposed and is the same level of work as another reach, MCI -A, which is proposed for Preservation. MC3-B and D and BS1-B and D are also proposed for EII and have no description of in -stream work. o The riparian area along the left bank, not the right bank, of MCI -A is to be restored. o Table 12 Vegetation Shear Stress numbers are erroneous with two decimal points. • Section 7.1/Page 44: Surface Flow o JN2-A is a preservation reach and not undergoing restoration or enhancement work. Recommend moving monitoring of seasonal flow to next downstream reach undergoing work (JN2-B). This will make it consistent with Section 8.3. • Section 8.2/Page 45: Visual Monitoring o Add language to address beaver (Castor canadensis) activity and damage. • Section 8.5/Page 46: Vegetation Monitoring. o Please include the sampling protocol and plot type that will be used to monitor vegetation. Peet et. al. is included in the references so I have to assume that the CVS method will be utilized but this is not directly stated. Thank you again for the opportunity to provide feedback, comments and concerns with the Little Sebastian Site draft mitigation plan as an addition to the NCDMS In -Lieu Fee Program. I believe RES has provided a potentially viable plan to offset permitted impacts that will be incurred within the Yadkin River 01 watershed geographic service area. If you, or the sponsor, have any questions or need clarification on any of the comments stated above, please contact me at 404- 562-9225 or at bowers.todd@epa.gov. Best Regards, Todd Bowers Comments submitted to Andrea Hughes (SAW -PM) and NCIRT Members via email on July 27, 2018 M E M O R A N D U M 302 Jefferson Street, Suite 110 TO: NCIRT and NCDMS FROM: Cara Conder - RES DATE: September 19, 2018 fires Raleigh, North Carolina 27605 919.209.1052 tel. 919.829.9913 fax RE: Response to Little Sebastian Draft Mitigation Plan NCIRT Comments 30 -day review DMS Project ID No. 100027, Contract #7187, USACE Action ID #SAW -2017-01507 Mac Haupt, NCDWR, May 18,2018: In the future, please try to minimize changes to the reach names from the initial concept plan to the draft mitigation plan. DWR realizes changes in design or approach may result in changing a reach name from time to time, however, we utilize the initial plan to review our comments to compare to what is being proposed in the draft mitigation plan. RES completely understands this request and we have really focused on getting reach labels finalized in the initial concept plans going forward. Attached to the end of this memo is a Reach ID Summary for the initial concept plan, JD, and final conceptual plan. Notable changes are Reach JN1 is actually a named stream, Mill Creek, so in design this has been renamed to MC. Mill Creek is also part of the Gideon Mitigation Bank (MC2) and then continues to the eastern side of Little Sebastian, so the naming reflects this. Reaches JN2, JN3, and BSI remain the same reach name, but have breakdowns by treatment type (i.e., A, B, Q. 2. Reaches JN2-A, JN3-A, MCI -A, and MC3-A are all labeled as preservation. However, all of these reaches include cattle exclusion fencing and some supplemental planting. This type of reach would then be better labeled as Enhancement. Remembering these reaches, DWR does believe these reaches warrant a 10:1 ratio given the status of the mature riparian buffer. Reach MC3-A will have cattle exclusion fencing and some supplemental planting and will therefore be labeled Enhancement II at a 10:1 ratio due to the dense mature vegetation on one bank. Reaches JN3-A and MCI -A will have cattle exclusion fencing and planting of an entire bank and will therefore be labeled Enhancement 11 at a 7.5:1 ratio. Reach JN2-A does not need supplemental planting or cattle exclusion because there is already a fence at this break point (will remain preservation). This information (planting and fencing) has been removed from the mitigation plan for Reach JN2-A — it was a typo. Per a conversation with Mac Haupt on 9/17/18, he said he would consider Reaches MC1-A and JN3-A at a 7.5:1 ratio vs. 10:1 if we install the floodplain gauges on JN3-B and justify the treatment. Revisions in Section 3.5, pgs 11 &12; Section 6.2 pgs 30 & 31 3. In the Design Approach Section, DWR would like to see some information related to channel substrate size (d50 and d84, etc.), particularly on the larger stream reaches (e.g. JN3-B and MC1-C) where restoration is occurring. Revised per comment, see Section 6.2, pgs 31-32 and Morphology Table in Appendix B. 4. Table 15 shows the preservation reaches increasing in length. Why is the proposed length greater than the existing length for these reaches? The existing length was accidentally taken from GIS and not actual survey. The updated existing lengths have been added to the mitigation plan and Table 15. 5. DWR prefers that RES utilize the October 2016 Mitigation Update for guidance references rather than the 2003 Stream Mitigation Guidelines. The intro paragraph in Sections 7 and 8 have been updated to reflect this. The monitoring was originally following the 2016 guidance, but only referenced the 2003 guidance. 6. DWR questions how there to be no credit loss in the riparian buffer calculations given the appearance of less than 30 foot buffer on JN3-A and JN2-A. There would be a credit loss in these areas and RES has addressed this by recalculating the extended buffer areas and minimum buffer areas. Calculations include terminal ends where the project streams leave the easement. See Figure 11 — Buffer Widths Zones and Appendix B for the USACE Buffer Calculator. 7. It appears the dry detention basin proposed for near the top of BS -1 may be in a jurisdictional stream. The dry detention basin is above the E/I point on the stream and the E/I point has been added to the design sheet. 8. On page 31 it is mentioned that reach JN -2A will have supplemental planting but no supplemental planting is shown on the Planting Plan (P1). This was a typo and page 30 (Section 6.2) has been revised to state that Reach JN2-A does not need supplemental planting or cattle exclusion because there is already a fence at this break point and mature forest on both sides of the reach. 9. DWR would like all typicals to be up-to-date. When we review these draft mitigation plans some of our comments may be based on how you build structures or the size of stone you may include in your constructed riffles (see #3). The details have been updated to reflect reach specific log and rock sizes. 10. In Section 6.2, for reach JN3-B, there is no mention of flood plain wetlands. The channel in this reach will be built through some jurisdictional wetlands. It is likely that the raised channel bed will at least enhance the wetlands' hydrology, some mention of this should be in the paragraph. This information has been added to pages 30 and 31 in Section 6.2. 11. Also, in general, there should be some mention of functional uplift of the existing degraded wetlands on site, there is no discussion of the functional change for the wetlands. This information has been added to page 30 in Section 6.2. "In conjunction with the stream restoration, adjacent wetland hydrology will be enhanced through raising the channel bed. No wetland mitigation credits will be generated from the enhancement of these wetland areas; however, the enhancement and protection of these currently degraded wetlands will store excess water during flood events, prevent erosion of stream banks, and reduce in -stream sedimentation and nutrients." 12. Finally, there needs to be two gauges installed along JN3-B at station 6+25 and 9+75 on stream right floodplain. RES is not claiming any wetland mitigation credits at this site. RES will install two gauges in the floodplain of this reach; however, we might not have enough baseline data to know whether or not we impact hydrology. Andrea Hughes, USACE, September 3, 2018: 1. The resource labels should match the labels used in the JD and remain consistent throughout the document. For example, the site map in the design plans depicts Reach MC 1 and MC2 however, the Sheet List Table (on the same page) refers to MCI and MC3. The JD map lists MC2/1\4C3 as JN7 (for the portion shown on the Gideon Site but assumed for the entire reach). The conceptual map provided post site visit list MCI as JN1 and lists JN7 as MCI. RES completely understands this request and we have really focused on getting reach labels finalized in the initial concept plans going forward. In the design plans site map, MC2 should have been MC3 and that was a typo — fixed now. Also, Reach JN7 on Gideon is 55 linear feet under Wetland WF and is not labeling Mill Creek (MC2). The main reach labels without treatment breaks in the mitigation plan do match the JD. Attached to the end of this memo is a Reach ID Summary for the initial concept plan, JD, and final conceptual plan. Notable changes are Reach JN1 is actually a named stream, Mill Creek, so in design and PJD this has been renamed to MC. Mill Creek is also part of the Gideon Mitigation Bank (MC2) and then continues to the eastern side of Little Sebastian, so the naming reflects this. Reaches JN2, JN3, and BS1 remain the same reach name, but have breakdowns by treatment type (i.e., A, B, Q. 2. Page 12 indicates that MC3 (A, B, C, and D) is a slightly incised and relatively stable gravel and cobble bed stream that appears to be managing its sediment load and the banks are generally stable throughout. Based on this information, please explain why MOC 214 LF) is proposed for bank stabilization. (The design sheets do not provide profile details for this reach.) Reach MC3 as a whole is relatively stable with localized areas of instability. Reach MC3-C's left bank is unstable and the ford crossing is being located at the treatment break in the design plans. The cattle will also be excluded with fencing and the entire left bank will be planted. Page 12 has been updated to reflect this language. 3. The Morphological Parameters indicate that JN3B is an E3 channel with a BHR of 1.0 and an ER of 3.4 and the design parameters propose an E3 channel with a BHR of 1.0 and an ER of >2.2. The Morphological Parameters indicate that MC 1 C is a E3 channel with a BHR of 1.0 and an ER of 2.9 and the design parameters propose an E3 channel with a BHR of 1.0 and an ER of >2.2. Please explain why these two stream reaches are proposed as restoration. These reaches have no buffer, are within an active pasture, and the banks are highly unstable. There is active bank erosion (mass wasting/bank sloughing) which is contributing large amounts of sediment to the system. Also, during the post contract IRT site visit, the IRT agreed to restoration on these reaches. The existing conditions in Section 3.5, page 12 have been revised to state this better. 4. According to the design sheets, JN2A begins at Station 0+0 and ends at 04+38. Figure IOB indicates this reach is 418 LF. Please explain the discrepancy. The callout on the design sheet has Reach JN2A Preservation Station 0+20 to 4+38. The E/I call has been added to the plan to make this clearer. According to the design plans, it appears that MC1B begins at station 5+00. That station starts at 4+99.46. The plans show that it starts at 4+99 (rounding down). At 30 scale it might appear to be at 5+00 (there is a piece of LCE text right on top of it), but if you zoom in, you can see the tick mark to the left of LCE. 6. Maps IOA- IOC are labeled as conceptual plan maps. At the draft mitigation plan stage, the plans should not be conceptual. This is now labeled Concept Design Map. Also, the figure is now 11x17 and is only Figure 10 and not I OA -C. 7. The plan indicates that additional credits will be generated for extended buffers. However, the calculations do not appear to include terminal ends in the ideal buffer measurements. Please refer to step 4 in the directions for the Buffer Tool. Also, if credits are generated for additional buffers, the 5% exclusion does not apply and any areas that do not meet the minimum buffer on both sides of the channel (JN3-A) will receive a credit deduction. RES has addressed this by recalculating the extended buffer areas and minimum buffer areas. Calculations include terminal ends where the project streams leave the easement. Additionally, on page 41 (Section 6.5) language the follow language was removed " ... and are not included in the ideal and actual buffer calculations" in reference to required buffer width zones; as it is incorrect and now how GIS analysis was performed. See Figure 11— Buffer Widths Zones, and Appendix B for the USACE Buffer Calculator. Page 8, Section 3.3 states that the conservation easements will be protected with fencing and areas outside the project will likely remain in agricultural use. However, according to the conceptual map provided after the field visit, it appears that fencing will not extend along one side of Mill Creek or along the east side of JN3A and most of the east side of JN3B. Please explain how you will exclude cattle in areas where the fence ends: at the west and south boundary of MC 1 A, east and south boundary — adjacent to an existing pasture — on MC 1 C, and the east boundary of the upper portion of JN3B. New fencing will tie-in to existing fencing on these reaches, therefore excluding livestock. JN3- A and JN3-B already has an existing fence on the east side. A fencing plan has been added to the plan set to show all existing and proposed fencing. 9. It appears that JN3B will be constructed through existing wetlands. You must document that wetland hydrology is not impaired by channel construction. DWR has commented we need to install two gauges in the floodplain of this reach and two gauges will be installed. However, without enough baseline data, it could be unclear whether or not we impact hydrology. 10. Page 4, Section 6.5: Please note that revisions to the approved mitigation plan, including credit adjustments, requires submittal of a modification request. This additional language has been added to Section 6.5, page 40. 11. Page 42, Table 15: Please explain the existing versus proposed lengths for the preservation and enhancement reaches. The existing length was accidentally taken from GIS and not actual survey. The updated existing lengths have been added to the mitigation plan and Table 15. 12. Page 44, Bankfull events: You must demonstrate four bankfull events for all restoration reaches. This section indicates crest gauges will be installed on JN2D, JN3B, MC 1B and BS IE. The restoration reaches include JN3B, MC 1 C, B S 1 A, BS 1 C, and B S 1 E. Page 43- Crest gauges will be installed on reaches JN3-B, MCI -C, BSI -C, and BSI -E. BSI -A already has a flow gauge, which can monitor bankfull events. 13. Page 44, Cross Sections and Page 47, Table 16: The entrenchment ratio should be >2.2 for C/E channels and >1.4 for B channels. Page 43 and Table 16 has been updated to reflect this. 14. Please name the party responsible for relocating the power and phone lines. CenturyLink is relocating the phone line and Pee Dee Electric is relocating the power line. This has been added to Section 3.4. 15. Reaches JN2B and JN21) are proposed for E1. Please add a cross section for each reach to the monitoring plan. The monitoring plan has been revised to show two cross sections added to JN2-B and the previously proposed cross-sections for JN2-D will remain. Todd Bowers, USEPA, July 27, 2018 Section 1.1/Page 1: Project Components The adjacent stream mitigation project is currently known as the Gideon Mitigation Site as a component of the RES Yadkin 01 Stream and Wetland Umbrella Mitigation Bank. It is listed in this section as well as several other locations in the document as the Gideon Mitigation Bank with the exception of Figure 1 Vicinity Map. Recommend updating Bank to Site when referring to the Gideon project. `Bank' has been changed to `Site' throughout the entire document. While I do not think that a detailed discussion of the Gideon Site is warranted, there should be some emphasis that the Gideon and Little Sebastian sites, both sponsored by RES, will undergo construction in tandem with each other. I would recommend adding the Gideon site conservation easements to any figure, especially Figures 10A -C Conceptual Maps, to alert the reader that this site is indeed adjacent to another proposed site with similar restoration approaches and easement boundaries. Figure 8 of the Gideon Mitigation Site Plan is an example of how maps for the Little Sebastian site could be presented. Language about construction occurring in tandem at both sites has been added to Section 1.1 (page 1). Also, the easement boundary for the Gideon Site has been added to Figures 3 and 5- 11. Section 3.4/Page 8: • I recommend some clarification in describing easement breaks within the project and those that will be incurred due the Gideon Site boundaries. The bridge across Ed Nixon Rd is a break but an intersite break rather than an intrasite break and should also be noted. The bridge/break at Ed Nixon Road is a terminal end for the Little Sebastian Site and after that break the Gideon Site begins (still a continuous stream and treatment). Section 3.4 (pages 8-9) has been updated to reflect this language. • I would also recommend noting that there is, or at least there appears to be, no intersite break at the downstream end of the Gideon Site and the eastern portion of the Little Sebastian Site. Based on the best information I have, Figure 8 of the Gideon Site plan, there appears to be no break as well. Correct, Reach MC3-A is continuous with the Little Sebastian Site and there is no easement break. This has been added to Section 3.4, page 9. Table 6/Page 10: • There is no reference to or language supporting Table 6. Reference added to this section under `Environmental Screening and Documentation' on page 10. Section 3.5/Pages 10-15: • Recommend referencing Figure 5 Existing Conditions Map in discussions of existing channel morphology. This reference has been added to this section on page 11. • Figure 5 does not have the reaches referenced in Section 3.5 labelled. Reach labels have been added to Figure 5, as well as the Gideon Mitigation Site easement boundary. • Many of the stream descriptions do not describe streams that are worthy of preservation. For example, JN2-A is described as channel is incised and heavily degraded due to livestock impacts. The photos for JN2-A do not seem to accurately represent this description. This was also noted by DWR and the USAGE. Reach MC3-A will have cattle exclusion fencing and some supplemental planting and will therefore be labeled Enhancement II at a 10:1 ratio due to the dense mature vegetation on one bank. Reaches JN3-A and MCI -A will have cattle exclusion fencing and planting of an entire bank, and will therefore be labeled Enhancement II at a 7.5:1 ratio. Reach JN2-A does not need supplemental planting or cattle exclusion because there is already a fence at this break point. This information (planting and fencing) has been removed from the mitigation plan for Reach JN2-A — it was a typo. Pages 11-12 updated. • Descriptions for JN2-C and D are missing. These were nested in the JN2-B description and have been broken out into separate sections on pages 11-12. • Description of MCI -A includes an active pasture along the left bank yet this reach is proposed for preservation when more than cattle exclusion is needed on this reach. This has been updated to be Enhancement II at a 7.5:1 ratio as RES is excluding cattle and planting the entire buffer along the left bank in easement (page 12). • I highly recommend changing the naming of MC3 to MC4 due to the adjacent Gideon Site has MC3 along Mill Creek. This may limit confusion during construction by preventing work on two stream reaches with the same name. There was a typo on the design sheet and Little Sebastian is MCI to the west and MC3 to the far east. Mill Creek on Gideon is MC2. • The description for MC3-A is not one that is worthy of preservation as it appears that active pasture is present on the left bank and the immediate upstream and downstream reaches are undergoing some enhancement work. This has been addressed per DWR's comment and the treatment is Enhancement at a 10:1 ratio. • Recommend adding a table with Table 8 for the Stream Quality Assessment scores found in Appendix H or provide the scores with the individual reach descriptions. Appendix H has a summary table for all the reach scores. Without seeing the worksheet, like in the appendix, the scores alone do not provide a lot of information. The scores have been added to the individual reach descriptions on pages 11-13. Section 5/Page 25-27: • Riparian buffer will be restored along all project reaches, except for the preservation reaches may be considered misleading since descriptions given in Section 6.2 include planting riparian buffers (along with cattle exclusion) for preservation reaches. This has been updated on page 25 to reflect that only Reach JN2-A is preservation. • Please elaborate on what HF (Highly Functioning) is in accordance with the Stream Functions Pyramid Framework. A paragraph has been added to Section 4, page 22 describing the categories. • Please elaborate on how functional lift above Functioning will be defined and demonstrated. Highly Functioning will not be demonstrated per the comment below and all reaches considered HF have been revised to F. • Recommend changing all Projected Ratings for reaches considered as HF to F unless the metric for HF is defined and can be demonstrated. This has been done and all reaches considered HF are F in Table 9 on page 26. Section 6.2/Pages 30-39: • Generally good descriptions of how the Little Sebastian Site will tie into the Gideon Mitigation Bank (Site!). Gideon labelled as `Site'. • It is somewhat difficult to determine what the difference between Preservation and Enhancement 11 on some of the reaches. For example, MC1-B is undergoing EII yet has no stream work proposed and is the same level of work as another reach, MC1-A, which is proposed for Preservation. MC3-B and D and BS1-B and D are also proposed for EII and have no description of in -stream work. Understood and this has been addressed and revised per multiple comments from DWR, USACE, and EPA. The reaches originally proposed as preservation have mature riparian buffer on one bank, but these are now labelled as enhancement reaches. The riparian area along the left bank, not the right bank, of MC1-A is to be restored. This has been updated to left bank (page 31). Table 12 Vegetation Shear Stress numbers are erroneous with two decimal points. This has been fixed (page 37). Section 7.1/Page 44: Surface Flow JN2-A is a preservation reach and not undergoing restoration or enhancement work. Recommend moving monitoring of seasonal flow to next downstream reach undergoing work (JN2-B). This will make it consistent with Section 8.3. Page 43- The flow gauge is located in the intermittent portion of the reach; JN2-13 is perennial. DWR and USACE guidance places the gauge in the upper third of the intermittent reach (JN2-A). Section 8.2/Page 45: Visual Monitoring • Add language to address beaver (Castor canadensis) activity and damage. This has been added to Section 8.2, page 45. Section 8.5/Page 46: Vegetation Monitoring. • Please include the sampling protocol and plot type that will be used to monitor vegetation. Peet et. al. is included in the references so I have to assume that the CVS method will be utilized but this is not directly stated. This has been added and reference to Peet removed: "Vegetation plot monitoring follows the CVS- EEP Level 2 Protocol for Recording Vegetation, version 4.2 (Lee et al. 2008) and includes analysis of species composition and density of planted species. Data is processed using the CVS data entry tool. In the field, the four corners of each plot were permanently marked with PVC at the origin and metal conduit at the other corners. Photos of each plot are to be taken from the origin each monitoring year." REACH ID SUMMARY Post IRT Site Visit Post IRT Site Visit Update Final Site Proposal ID Proposal Treatment JD Design Final Treatment Update ID Treatment ID Little Sebastian JN2-A Preservation JN2 JN2-A Preservation West Little Sebastian JN2-A Restoration JN2-A Enhancement I JN2 JN2-B Enhancement I West Little Sebastian JN2-B Enhancement 11 JN2-A/JN2-B Enhancement II JN2 JN2-C Enhancement II West Little Sebastian JN2-B Enhancement 11 JN2-B Enhancement I JN2 JN2-D Enhancement I West Little Sebastian Enhancement II JN3-A Enhancement II JN3-A Preservation JN3 JN3-A West 7.5:1 Little Sebastian JN3-B Restoration JN3-B Restoration JN3 JN3-B Restoration West Little Sebastian Mill Enhancement II JN1-A Enhancement II JN1-A Preservation MC1-A West Creek 7.5:1 Little Sebastian Mill Enhancement 11 JN1-A Enhancement 11 JN1-A Enhancement 11 5:1 MC1-B West Creek 5:1 Little Sebastian Mill JN1-B Restoration JN1-B Restoration MC1-C Restoration West Creek Little Sebastian East BS1 Restoration BS1 Restoration BS1 BS1-A Restoration Little Sebastian East BS1 Enhancement II BS1 Enhancement II BS1 BS1-B Enhancement II Little Sebastian East BS1 Restoration BS1 Restoration BS1 BS1-C Restoration Little Sebastian East BS1 Enhancement II BS1 Enhancement II BS1 BS1-D Enhancement II Little Sebastian East BS1 Restoration BS1 Restoration BS1 BS1-E Restoration Mill Enhancement II Little Sebastian East MC1 Enhancement II MC1 Preservation MC3-A Creek 10:1 Little Sebastian East MC1 Enhancement 11 MC1 Enhancement 11 Mill MC3-B Enhancement 11 Creek Mill Little Sebastian East MC1 Enhancement II MC1 Enhancement I Creek MC3-C Enhancement I Mill Enhancement 11 Little Sebastian East MC1 Enhancement 11 MC1 Enhancement 11 5:1 Creek MC3-D 5:1 M E M O R A N D U M 302 Jefferson Street, Suite 110 TO: NCIRT and NCDMS FROM: Cara Conder - RES DATE: October 31, 2018 fires Raleigh, North Carolina 27605 919.209.1052 tel. 919.829.9913 fax RE: Revisions to Little Sebastian Final Mitigation Plan DMS Project ID No. 100027, Contract #7187, USACE Action ID #SAW -2017-01507 While beginning the process of closing on project easements there have been a few minor revisions to the Little Sebastian Mitigation Plan. These minor easement changes occur at crossing locations and RES wanted to adjust for these now before printing the final mitigation plan and completing the PCN package. None of the changes affected the stream design. We have walked the easement boundary with the landowner and made some adjustments reflected below and these changes are called out and highlighted on the updated Concept Design Map dated October 2018 (attached to this memo). • On the western portion of the project area, Reach JN2-C has two small sheds removed from the easement area per the landowner. • The shape of the crossing on MC3-13 was altered slightly to allow the landowner better access/use of this crossing. This area gets steep beyond the toe of slope. • The crossing on BSI -E was angled/adjusted slightly to make this a usable crossing with the steep terrain. • The very last 46 LF of MC3-D was on another parcel that was deeded by the landowner. This was not originally clear in the survey and deed research but has been confirmed as we work on easement closings. This small section has been removed from the Little Sebastian project and the easement ends at the boundary line. • A break has been left between the parcel boundary and BS 1-A. The easement still captures beyond 50 feet around the stream origin. The final credits have been adjusted downward to 4,554.3 SMUs (with a recalculated additional buffer gain of 505.1 and a buffer loss of -278.7). The September 2018 final mitigation plan had 4,581.4 SMUs for a difference of 27.1 SMUs. An updated asset table (with changes highlighted), asset map, buffer map, and buffer & GIS calculations are attached. The previous versions have been included for comparison. This memo and the reflected changes will be included in the Final Mitigation Plan. Please let me know if you need any more information. Little Sebastian Site (ID -100027) - Mitigation Components October 2018 Revisions Project Component (reach ID) Wetland Position and Hydro T e Existing Footage Stationing Mitigation Plan Footage As- Built Footage Restoration Level Approach Priority Level Mitigation Ratio (X:1) Mitigation Credits Notes/Comments JN2-A 418 0+20 to 4+38 4+38 to 6+25 6+25 to 9+32 9+63 to 18+00 18+00 to 18+43 19+05 to 20+58 0+0 to 3+50 3+50 to 11+31 11+74 to 14+36 0+0 to 4+69 4+99 to 12+16 12+57 to 15+17 15+17 to 20+72 40+42 to 42+85 42+85 to 46+87 47+28 to 49+42 49+42 to 53+37 1+05 to 3+19 3+19 to 4+94 4+94 to 10+35 10+35 to 12+12 12+12 to 14+86 15+31 to 16+25 418 TBD Preservation 10.0:1 1.5:1 2.5:1 2.5:1 1.5:1 1.5:1 7.5:1 1.0:1 1.0:1 7.5:1 5.0:1 5.0:1 1.0:1 10.0:1 2.5:1 1.5:1 5.0:1 1.0:1 2.5:1 1.0:1 2.5:1 1.0:1 1.0:1 41.8 Livestock exclusion JN2-B 187 187 TBD Enhancement I 124.7 Buffer planting and livestock exclusion JN2-C 307 307 TBD Enhancement II 418 122.8 Buffer planting and livestock exclusion. One 31 -foot crossing is present on this reach, from 9+32 to 9+63. 837 837 TBD Enhancement H 334.8 Buffer planting and livestock exclusion JN2-D 39 43 TBD Enhancement I 28.7 Channel relocation, bed and bank stabilization, crossing relocation, buffer plantings, and livestock exclusion. One 62 -foot crossing occurs from 18+43 to 19+05. 150 153 TBD Enhancement I 102.0 Channel relocation, bed and bank stabilization, buffer plantings, and livestock exclusion. JN3-A 350 350 TBD Enhancement H 46.7 Buffer planting and livestock exclusion JN3-B 900 781 TBD Restoration 781.0 Channel reconstruction in the natural valley, improved stream structures, buffer planting, and livestock exclusion. One 43 -foot crossing is occurs from 11+31 to 11+74. 224 262 TBD Restoration 262.0 Channel reconstruction in the natural valley, improved stream structures, buffer planting, and livestock exclusion. MC1-A 469 469 TBD Enhancement H 62.5 Buffer planting and livestock exclusion MC1-B 717 717 TBD Enhancement H 143.4 Buffer planting and livestock exclusion. One 41 -foot easement break occurs at 12-16 to 12+57 for an existing utility line. 260 260 TBD Enhancement H 52.0 Buffer planting and livestock exclusion MCI -C 545 555 TBD Restoration 555.0 Channel bed will be raised, improve in stream structures, buffer planting, and livestock exclusion MC3-A 243 243 TBD Enhancement II 24.3 Buffer planting and livestock exclusion MC3-B 402 402 TBD Enhancement H 160.8 Buffer planting and livestock exclusion MC3-C 214 214 TBD Enhancement I 142.7 Bank stabilization, improved in stream structures, buffer planting, and livestock exclusion MC3-D 395 395 TBD Enhancement H 79.0 Buffer planting and livestock exclusion BSI -A 205 214 TBD Restoration 214.0 Channel bed will be raised, improve in stream structures, buffer planting, and livestock exclusion BS 1-B 190 175 TBD Enhancement H 70.0 Buffer planting and livestock exclusion BSI -C 580 541 TBD Restoration 541.0 Channel bed will be raised, improve in stream structures, buffer planting, and livestock exclusion BSI -D 185 177 TBD Enhancement H 70.8 Buffer planting and livestock exclusion BSI -E 278 274 TBD Restoration 274.0 Channel bed will be raised, improve in stream structures, buffer planting, and livestock exclusion. One 45 -foot crossing occurs from 14+86 to 15+31. 94 94 TBD Restoration 94.0 Channel bed will be raised, improve in stream structures, buffer planting, and livestock exclusion No Wetland Mitigation Length and Area Summations by Mitigation Category Overall Assets Summary Restoration Level Stream (linear feet) Riparian Wetland (acres Non -riparian Wetland acres Buffer Loss SMU -278.7 Riverine Non-Riverine Total SMUs Restoration 2,721 Enhancement Enhancement I 597 Enhancement II 4,332 Creation Preservation 418 High Quality Pres Asset Category Overall Credits Stream RP Wetland NR Wetland 4,327.9 NA NA Buffer Loss SMU -278.7 Buffer Gain SMU 505.1 Total SMUs 4,554.3 Little Sebastian Site (ID -100027) - Mitigation Components September 2018 Project Component (reach ID) Wetland Position and Hydro T e Existing Footage Stationing Mitigation Plan Footage As- Built Footage Restoration Level Approach Priority Level Mitigation Ratio (X:1) Mitigation Credits Notes/Comments JN2-A 418 0+20 to 4+38 4+38 to 6+25 6+25 to 9+32 9+63 to 18+00 18+00 to 18+43 19+05 to 20+58 0+0 to 3+50 3+50 to 11+31 11+74 to 14+36 0+0 to 4+69 4+99 to 12+16 12+57 to 15+17 15+17 to 20+72 40+42 to 42+85 42+85 to 46+97 47+28 to 49+42 49+42 to 53+83 1+05 to 3+19 3+19 to 4+94 4+94 to 10+35 10+35 to 12+12 12+12 to 15+26 15+68 to 16+25 418 TBD Preservation 10.0:1 1.5:1 2.5:1 2.5:1 1.5:1 1.5:1 7.5:1 1.0:1 1.0:1 7.5:1 5.0:1 5.0:1 1.0:1 10.0:1 2.5:1 1.5:1 5.0:1 1.0:1 2.5:1 1.0:1 2.5:1 1.0:1 1.0:1 41.8 Livestock exclusion JN2-B 187 187 TBD Enhancement I 124.7 Buffer planting and livestock exclusion JN2-C 307 307 TBD Enhancement H 418 122.8 Buffer planting and livestock exclusion. One 31 -foot crossing is present on this reach, from 9+32 to 9+63. 837 837 TBD Enhancement H 334.8 Buffer planting and livestock exclusion JN2-D 39 43 TBD Enhancement I 28.7 Channel relocation, bed and bank stabilization, crossing relocation, buffer plantings, and livestock exclusion. One 62 -foot crossing occurs from 18+43 to 19+05. 150 153 TBD Enhancement I 102.0 Channel relocation, bed and bank stabilization, buffer plantings, and livestock exclusion. JN3-A 350 350 TBD Enhancement H 46.7 Buffer planting and livestock exclusion JN3-B 900 781 TBD Restoration 781.0 Channel reconstruction in the natural valley, improved stream structures, buffer planting, and livestock exclusion. One 43 -foot crossing is occurs from 11+31 to 11+74. 224 262 TBD Restoration 262.0 Channel reconstruction in the natural valley, improved stream structures, buffer planting, and livestock exclusion. MC1-A 469 469 TBD Enhancement H 62.5 Buffer planting and livestock exclusion MC1-B 717 717 TBD Enhancement II 143.4 Buffer planting and livestock exclusion. One 41 -foot easement break occurs at 12-16 to 12+57 for an existing utility line. 260 260 TBD Enhancement II 52.0 Buffer planting and livestock exclusion MC1-C 545 555 TBD Restoration 555.0 Channel bed will be raised, improve in stream structures, buffer planting, and livestock exclusion MC3-A 243 243 TBD Enhancement H 24.3 Buffer planting and livestock exclusion MC3-B 412 412 TBD Enhancement H 164.8 Buffer planting and livestock exclusion MC3-C 214 214 TBD Enhancement I 142.7 Bank stabilization, improved in stream structures, buffer planting, and livestock exclusion MC3-D 441 441 TBD Enhancement H 88.2 Buffer planting and livestock exclusion BS 1-A 205 214 TBD Restoration 214.0 Channel bed will be raised, improve in stream structures, buffer planting, and livestock exclusion BSI -B 190 175 TBD Enhancement H 70.0 Buffer planting and livestock exclusion BSI -C 580 541 TBD Restoration 541.0 Channel bed will be raised, improve in stream structures, buffer planting, and livestock exclusion BSI -D 185 177 TBD Enhancement H 70.8 Buffer planting and livestock exclusion BSI -E 318 314 TBD Restoration 314.0 Channel bed will be raised, improve in stream structures, buffer planting, and livestock exclusion. One 42 -foot crossing occurs from 15+26 to 15+68. 56 57 TBD Restoration 57.0 Channel bed will be raised, improve in stream structures, buffer planting, and livestock exclusion No Wetland Mitigation Length and Area Summations by Mitigation Category Overall Assets Summary Restoration Level Stream (linear feet) Riparian Wetland (acres Non -riparian Wetland acres Buffer Loss SMU -269.4 Riverine Non-Riverine Total SMUs Restoration 2,724 Enhancement Enhancement I 597 Enhancement II 4,388 Creation Preservation 418 High Quality Pres Asset Category Overall Credits Stream RP Wetland NR Wetland 4,344.1 NA NA Buffer Loss SMU -269.4 Buffer Gain SMU 506.7 Total SMUs 4,581.4 October 2018 Final Concept Revisions September 2018/Final Draft Concept Design Map M E M O R A N D U M fires 302 Jefferson Street, Suite 110 Raleigh, North Carolina 27605 919.209.1052 tel. 919.829.9913 fax TO: North Carolina Division of Mitigation Services FROM: Cara Conder - RES DATE: June l8, 2018 RE: Response to Little Sebastian Mitigation Site Draft Mitigation Plan Comments DMS Project ID No. 100027, Contract #7187 Paul Wiesner, NCDMS Comments: General Comment: Please include the September 29, 2017 Post Contract IRT Meeting Minutes in the appendices of the revised mitigation plan and confirm that the mitigation plan is consistent with the meeting notes and IRT response e-mails (attached for reference). Added September 29,2017 IRT meeting minutes to Appendix B and language to the mitigation plan in Section 1.2 that the plan is consistent with the meeting notes and IRT response emails. Executive Summary: Please reference the thermal regime. Please provide a brief introduction of the Gideon site to describe the benefits such as easement continuity and riparian corridor. Thermal regime cool added, along with a brief introduction of the Gideon site. Section 1.2 - Project Outcomes: Edit the sentence "Due to its water classifications". The proposed improvements may result in outcomes consistent with these water quality classifications but the outcomes are not "due to" them. Removed the first part of the sentence and changed to "Proposed improvements to the Project will help meet the river basin needs... " Section 1.2 - Project Outcomes: Stating the proposed improvements will meet the water quality needs of the basin should be reworded unless the parameters are to be quantified. Revised the wording Section 2.1 - Site Selection: This section indicates that improvement and restoration of water quality will be achieved. Edit this assertion or modify the monitoring plan to include water quality. Edited the language about achieving goal 1; however, goal I is being addressed, just not quantified. Section 3.1- Watershed Summary Information -(Page 4): Land use comprises most of the text under the drainage area subheading. Suggesting adding land use to the subheading. This has been added to the subheading. Section 3.2 - Landscape Characteristics: Please add a section for the site geology and provide discussion. This section has been added. Section 3.2 - Landscape Characteristics -Existing Wetlands: DMS recommends contacting the USACE and including the final PJD in the revised mitigation plan prior to the IRT mitigation plan review. The PJD is included in Appendix I. Section 3.2 - Landscape Characteristics — Soil Survey: Please label the soil survey section according to the entire discussion in the paragraph. Moved ecoregion narrative to the beginning of the landscape characteristics, and the soil survey section only discusses soil characteristics. Section 3.3 - Land Use - Historic, Current, and Future: Land use discussion within the Gideon site should be included in this section. Added Gideon references along with the total protected area with both easements for the future land use. Section 5 - Mitigation Project Goals and Objectives: Project Goals - How is the improvement of water quality/reducing sediment and nutrient loads, and increasing DO going to be measured for success? Suggest clarifying this goal and tying it directly to an objective AND performance criteria. Same comment for reduction in temperature. This has been revised to reflect that our goals will indirectly support the goals of the RBRP to improve water quality and reduce sediment and nutrient loads. This will not be a measurable objective. Two additional goals have been added that are already tied to objectives: Improve instream habitat, and restore and enhance native floodplain vegetation. Section 5 - Mitigation Project Goals and Objectives: Project Objectives - What are the appropriate pattern, dimension and profile? Is the intent to construct stream for a particular discharge, or dominant discharge or bankfull discharge? Please clarify. The objective has been reworded to: Design and reconstruct stream channels sized to convey bankfull flows that will maintain a stable dimension, profile, and planform based on modeling, watershed conditions, and reference reach conditions. Section - 6.2 Design Parameters: • Reach JN2-B: The text notes minimal grading and buffer reestablishment. Will any structures be utilized/ installed in this Enhancement I reach? Yes, one log cross vane and two log sills will be utilized. This has been added to the mitigation plan. • Reach JN2-D: The channel appears to have been heavily modified/ditched. Is limited grading the best approach for this reach? The minimal grading was a typo%arry over from Reach JN2-C. Language in the mitigation plan has been updated to reflect that there is some channel relocation, bed and bank stabilization, and removing an existing ford crossing and access road. Also, a structure has been added on this reach on the design plan set. • Reach MCI -C: Please discuss the transition into the Gideon site. Does the proposed treatment compliment both sites? The restoration continues into the Gideon site for another 1, 030 LF and will be a seamless transition. The Gideon site is beingpermitted concurrently and will be constructed at the same time as Little Sebastian. • USGS Regional Regression Equations: Please verify this equation is applicable/valid for each of the drainage areas calculated. The equation is correct, but is not applicable to small drainage areas. The table has been updated accordingly. The USGS Regional Regression Equations are used in the process for verification that bankfull flows are appropriate. • Section 5 indicates that two agricultural BMPs will be installed on the site (project objectives). Please describe these and their proposed location in the Section 6.2 text. There is only one BMP and the reference to two BMPs was a typo that carried over from the proposal. The objectives have been reflected to show a single BMP. One BMP was originally on Reach JN2-A, but per the IRT site visit notes, if the reach is intermittent the BMP will not be constructed, rather the easement will be extended to provide preservation to the origin point in the forested watershed. The JD determined the limits of the stream preservation. The BMP will be installed at the top of Reach BSI -A, which already has the conservation easement extended beyond the stream origin point. This BMP will be a dry detention basin and has been added to the language in the mitigation plan for Reach BSI - A. Section 7.1 - Success Criteria: Specify which reaches will have transducers/ flow gauges installed. Added what reaches will have transducers/flow gauges: JN2-A and BSI -A. Section 8.6 — Scheduling/ Reporting: "A mitigation plan and as -built drawings document....."; this should be, "A Baseline Monitoring report and as -built drawings document.....". Please update accordingly. This has been fixed. Table 16: The tree height success criteria in the table does not match what is reported in the text (Section 7.2). Please update the table and QA/QC the table and report text to confirm they are consistent. The table has been updated to match the text — it had the Piedmont height criteria originally. Figure 1 - Vicinity Map: This map appears to be a vicinity map for the Gideon site rather than the Little Sebastian site. Please change the emphasis to highlight the active site. This map has been revised to highlight the Little Sebastian site. Figure 10A: Please update the title to "Little Sebastian Mitigation Site". This map has been revised. Figures 10A -10C: Section 5 indicates that two agricultural BMPs will be installed on the site (project objectives). Please show the proposed BMPs on the conceptual maps. This was a typo in Section S. Two BMPs were presented in the proposal, however since the entire stream origin is being protected and the reach is intermittent, there will not be a BMP on Reach JN2-A. One BMP is being installed on reach BSI -A even though this is a restoration reach and the stream origin is being protected. Additionally, this has been added to the conceptual map and design plans. Appendices: Please check appendices for map order and labeling consistency. The appendices and map order have been reviewed and revised as needed for map order and labeling consistency Preliminary Plan Set: • Title Sheet — Please label the individual stream reaches. Done • Sheet EI Construction Note 7 — Add that any compromised trees should be removed to the note. Done • Sheet E2 — Edit the linetype to emphasize the project conservation easement. Done • Sheet S 1 — Add profile to include the proposed crossing. Done and now Sheet S2 and all subsequent sheets will be number off because there is an additional sheet now. • Sheet S 12 — Add profile if needed for the crossing. A profile is not needed for this ford crossing, as there is no change in bed elevation. • BMP Sheets - Add sheets detailing the proposed BMPs noted in Section 5 of the report text and show their locations on the applicable plan sheets. The one BMP on BSI -A has been added to Sheet S7 and Sheet D2 has the structure details. • Sheet P 1: This appears to be the planting plan for the Gideon Mitigation Bank. Please provide the planting plan for the Little Sebastian Mitigation Site. Please QA/QC the document to confirm that other elements of the Gideon Mitigation Bank site MP have not been included in the Little Sebastian Site MP. This was a mistake and we apologize. The document has been QAIQCed for other Gideon elements. • Sheet P I Planting Note I — Add language to the effect "and final approval has been issued" to the end of the first sentence. Done • Sheet M1 — The monitoring plan sheet is not consistent with what is proposed in Section 8 -Monitoring Plan (specifically the number of vegetation plots). Please QA/ QC the report text and plan sheets to confirm that they are consistent. Consider moving the flow gauge on Reach JN2 to the Enhancement I section rather than the preservation section. The number of vegetation plots in Sheet MI has been updated to match the mitigation plan, which is 8 plots. The plan set and mitigation plan are consistent. The flow gauge on Reach JN2 should stay in the preservation section to document intermittent flow per the post - contract IRT site visit. • Sheet D3 Log Vane Plan View - Consider extending the stone backfill along the entire length of the log into the streambank. Done • Sheet D4 Double Log Drop Plan View - The contact "hinge" point between the two rows of logs is prone to piping. Consider adding a note to not require contact at the hinge point as directed by the engineer. We extended the filter fabric and stone backfill along both logs (including the hinge point) in order to reduce the risk of piping. • Structure Details — Please provide boulder size specifications everywhere applicable within the plan sheets. Done, these are on Sheets S4, S5, and Sl 1, and D5. Rocks must have an intermediate diameter of at least 24" for headers and 24-30" for footers. Sill rocks shall have an intermediate diameter of at least 18". All rocks shall be approved by engineer prior to installation. Width of header and footer rocks must be at least 36". Depth of header and footer rocks must be at least 24". EXECUTIVE SUMMARY The Little Sebastian Mitigation Site ("the Project") is located in Surry County, approximately 10 miles north of Elkin. Water quality stressors currently affecting the Project include livestock production, agricultural production, and lack of riparian buffer. The Project presents 8,068 linear feet (LF) of stream restoration, enhancement, and preservation, generating 4,554 Cool Stream Mitigation Units (SMU) along Mill Creek and three unnamed tributaries. The Project is located in the Yadkin River Basin within Cataloging Unit 03040101, Target Local Watershed (TLW) 03040101080020, and NCDWR sub -basin 03-04-01. The current State classification for Mill Creek is Class C, Trout Waters Jr), and Outstanding Resource Waters (ORW) (NCDWQ 2011). Consisting of agricultural fields, cattle pastures and wooded areas, the Project's total easement area is approximately 25.91 acres within the overall drainage area of 3,261 acres. The Project has two separate portions and in between those portions is the Gideon Mitigation Site. While each site could be developed independently of the other, the combined easements will result in a much larger contiguous protected corridor and high quality aquatic habitat. The Gideon Mitigation Site has a total easement area that is approximately 10.64 ac and presents 4,818 linear feet of stream restoration, enhancement, and preservation. Therefore, a total 36.55 ac and 12,886 LF of stream will be protected in perpetuity. Grazing livestock have historically had access to all stream reaches within the Project. The lack of riparian buffer vegetation, deep-rooted vegetation, and unstable channel characteristics have contributed to the degradation of stream banks throughout the Project area. Goals for the Project include an increase to hydrologic function and restoration to ecological function within the existing stream and riparian corridor and protect these features in perpetuity. These will be accomplished by returning the existing streams into stable conditions by constructing an E/C type stream with appropriate dimensions and pattern, reconnecting the channel to the floodplain, and backfilling the abandoned channel. In -stream structures will be utilized for vertical stability and to improve habitat. Buffer improvements will filter runoff from agricultural fields, thereby reducing nutrient and sediment loads to the channel. Livestock exclusion fence will be installed along the easement boundary. The widening and restoration of the riparian areas will also provide wildlife corridors throughout the Project area. Benefits to be accrued from these activities include improved water quality, and terrestrial and aquatic habitat. The stream design approach for the Project is to combine the analog method of natural channel design with analytical methods to evaluate stream flows and hydraulic performance of the channel and floodplain. The analog method involves the use of a reference reach, or "template" stream, adjacent to, nearby, or previously in the same location as the design reach. The template parameters of the analog reach are replicated to create the features of the design reach. The analog approach is useful when watershed and boundary conditions are similar between the design and analog reaches (Skidmore et al., 2001). Hydraulic geometry is developed using analytical methods to identify the design discharge. After completion of all construction and planting activities, the Project will be monitored on a regular basis throughout the seven-year post -construction monitoring period, or until performance standards are met. The Project will be transferred to the NCDEQ Stewardship Program. This party shall serve as conservation easement holder and long-term steward for the property and will conduct periodic inspection of the site to ensure that restrictions required in the conservation easement are upheld. Funding will be supplied by the responsible party on a yearly basis until such time an endowment is established. Little Sebastian Mitigation Plan ii November 2018 Project #100027 1 2 3 E 0 TABLE OF CONTENTS PROJECT INTRODUCTION................................................................................... 1.1 Project Components........................................................................................... 1.2 Project Outcomes............................................................................................... WATERSHED APPROACH AND SITE SELECTION .......................................... 2.1 Site Selection..................................................................................................... BASELINE AND EXISTING CONDITIONS......................................................... 3.1 Watershed Summary Information..................................................................... DrainageArea and Land Use.................................................................................... Surface Water Classification..................................................................................... 3.2 Landscape Characteristics................................................................................. Vegetation................................................................................................................. ExistingWetlands.............................................................................................. Geology............................................................................................................. SoilSurvey........................................................................................................ 3.3 Land Use - Historic, Current, and Future .................................................. 3.4 Regulatory Considerations and Potential Constraints ............................... Property, Boundary, and Utilities...................................................................... Federal Emergency Management Agency (FEMA)/ Hydrologic Trespass....... Environmental Screening and Documentation.................................................. Threatened and Endangered Species................................................................. CulturalResources............................................................................................. 3.5 Reach Summary Information.................................................................... ChannelClassification....................................................................................... Discharge........................................................................................................... Existing Channel Morphology.......................................................................... Channel Stability Assessment........................................................................... 3.6 Site Photographs........................................................................................ FUNCTIONAL UPLIFT POTENTIAL............................................................ 4.1 Anticipated Functional Benefits and Improvements ................................. Hydrology.......................................................................................................... Hydraulic........................................................................................................... Geomorphology................................................................................................. Physiochemical.................................................................................................. Biology.............................................................................................................. MITIGATION PROJECT GOALS AND OBJECTIVES ................................. Best Management Practices (BMPs)................................................................. MITIGATION WORK PLAN.......................................................................... 6.1 Reference Stream....................................................................................... Reference Watershed Characterization............................................................. ReferenceDischarge.......................................................................................... Reference Channel Morphology........................................................................ Reference Channel Stability Assessment.......................................................... Reference Bankfull Verification........................................................................ Reference Riparian Vegetation.......................................................................... 6.2 Design Parameters..................................................................................... Stream Restoration Approach............................................................................ DesignDischarge............................................................................................... DataAnalysis.................................................................................................... ................... 1 ................... 1 ................... 1 ................... 2 ................... 2 ................... 4 ................... 4 ................... 4 ................... 4 ................... 5 ................... 5 ................... 6 ................... 6 ................... 6 ................... 8 ................... 8 ................... 8 ................... 9 ................... 9 ................... 9 .................10 ................. 10 .................11 .................11 .................11 .................13 ................. 15 ................. 21 ................. 22 ................. 22 ................. 22 ................. 22 ................. 23 ................. 23 ................. 24 ................. 24 ................. 27 ................. 27 ................. 27 ................. 27 ................. 28 ................. 28 ................. 28 ................. 28 10 ........................ 29 ........................ 33 ........................ 35 Little Sebastian Mitigation Plan iii November 2018 Project #100027 6.3 Vegetation and Planting Plan............................................................................................... 38 PlantCommunity Restoration...................................................................................................... 38 On Site Invasive Species Management........................................................................................ 39 SoilRestoration............................................................................................................................ 40 6.4 Mitigation Summary............................................................................................................. 40 6.5 Determination of Credits...................................................................................................... 40 7 PERFORMANCE STANDARDS................................................................................................ 43 7.1 Stream Restoration Success Criteria..................................................................................... 43 BankfullEvents............................................................................................................................ 43 CrossSections.............................................................................................................................. 43 DigitalImage Stations.................................................................................................................. 43 SurfaceFlow.................................................................................................................................43 Table 13. Comparison of Permissible and Proposed Velocities........................................................... 7.2 Vegetation Success Criteria.................................................................................................. 43 8 MONITORING PLAN................................................................................................................. 45 8.1 As -Built Survey.................................................................................................................... 45 8.2 Visual Monitoring................................................................................................................ 45 8.3 Hydrology Events................................................................................................................. 45 8.4 Cross Sections...................................................................................................................... 46 8.5 Vegetation Monitoring......................................................................................................... 46 8.6 Scheduling/Reporting...........................................................................................................46 9 ADAPTIVE MANAGEMENT PLAN......................................................................................... 48 10 LONG-TERM MANAGEMENT PLAN..................................................................................... 49 11 REFERENCES............................................................................................................................. 50 List of Tables Table 1. Little Sebastian Project Components Summary.......................................................................1 Table 2. Project Parcel and Landowner Information.............................................................................. 3 Table 3. Project Watershed Summary Information................................................................................4 Table 4. Little Sebastian Vegetation Plot Summary............................................................................... 5 Table5. Mapped Soil Series...................................................................................................................7 Table 6. Regulatory Considerations.....................................................................................................10 Table 7. Summary of Existing Channel Characteristics....................................................................... I I Table 8. Channel Stability Assessment Results....................................................................................14 Table 9. Functional Benefits and Improvements.................................................................................. 26 Table 10. Scaling Factors for Sizing Planform Design Parameters...................................................... 34 Table11. Peak Flow Comparison........................................................................................................ 36 Table 12. Comparison of Allowable and Proposed Shear Stresses......................................................37 Table 13. Comparison of Permissible and Proposed Velocities........................................................... 37 Table14. Proposed Plant List............................................................................................................... 39 Table 15. Little Sebastian Site (ID -100027) - Mitigation Components...............................................42 Table 16. Monitoring Requirements..................................................................................................... 47 List of Charts Chart 1. Stream Functions Pyramid...................................................................................................... 21 Little Sebastian Mitigation Plan iv November 2018 Project #100027 List of Figures Figure 1 — Vicinity Map Figure 2 — USGS Map Figure 3 — Landowner Map Figure 4 — Land -use Map Figure 5 — Existing Conditions Map Figure 6 — National Wetlands Inventory Map Figure 7 — Soils Map Figure 8 — Historical Conditions Map Figure 9 — FEMA Map Figure 10 —Concept Design Map Figure 11 — Buffer Width Zones Appendices Appendix A — Plan Sheets Appendix B — Data Analysis and Supplementary Information Appendix C — Site Protection Instrument Appendix D — Credit Release Schedule Appendix E — Financial Assurance Appendix F — Maintenance Plan Appendix G — DWR Stream Identification Forms Appendix H — USACE District Assessment Forms Appendix I — Wetland JD Forms and Maps Appendix J — Invasive Species Plan Appendix K — Approved FHWA Categorical Exclusion Appendix L — DMS Floodplain Requirements Checklist Little Sebastian Mitigation Plan v November 2018 Project #100027 I PROJECT INTRODUCTION 1.1 Project Components The Little Sebastian Mitigation Site ("Project") is located within a rural watershed in Surry County, approximately 10 miles north of Elkin and seven miles west of Dobson. The Project lies within the Yadkin River Basin, North Carolina Department of Water Resources (NCDWR) sub -basin 03-04-01 and United States Geological Survey (USGS) 14 -digit hydrologic unit code (HUC) 03040101080020 (Figure 1). The Project proposes to restore 2,721 linear feet (LF), enhance 4,929 LF, preserve 418 LF of stream, and provide water quality benefit for 25.91 acres of drainage area. The Project is in the Northern Inner Piedmont Level IV ecoregion. The Project is comprised of two easement locations (east and west) involving Mill Creek and three unnamed tributaries, totaling 8,189 existing linear feet, which eventually drain into the Yadkin River. The stream mitigation components are summarized in Table 1 and Figure 10. The 10.64 -acre Gideon Mitigation Site is nestled between the east and west Project easements and will undergo construction in tandem with the Project. Nine reaches are accessible from Ed Nixon Road and nine reaches are accessible from Wild Wings Lane. Coordinates for the Project are as follows: 36.397000, -80.859000. 1.2 Project Outcomes The streams proposed for restoration have been significantly impacted by livestock production, agricultural practices, and a lack of riparian buffer. Proposed improvements to the Project will help meet the river basin needs expressed in the 2009 Upper Yadkin Pee -Dee River Basin Restoration Priorities (RBRP) as well as ecological improvements to riparian corridor within the easement. Through stream restoration, enhancement, and preservation, the Project presents 8,068 LF of proposed stream, generating 4,554 Cool Stream Mitigation Units (SMU) (Table 1). This mitigation plan is consistent with the September 29, 2017 Post Contract IRT Meeting Minutes and IRT response emails (Appendix B). Table 1. Little Sebastian Project Components Summary Mitigation Approach Linear Feet Ratio Cool Base SMU Restoration 2,721 1 2,721 Enhancement I 597 1.5 398 Enhancement 11 1,898 2.5 759.2 Enhancement II 1,372 5 274.4 Enhancement 11 819 7.5 109.2 Enhancement II 243 10:1 24.3 Preservation 418 10 41.8 Total 8,068 4,327.9 Credit Loss in Required Buffer -278.7 Credit Gain for Additional Buffer 505.1 Total Adiusted SMUs Little Sebastian Mitigation Plan 1 November 2018 Project #100027 2 WATERSHED APPROACH AND SITE SELECTION The 2009 Upper Yadkin Pee -Dee RBRP identified several restoration needs for the entire Yadkin River Basin, as well as for HUC 03040101. The Project watershed was identified as a Target Local Watershed (TLW) (HUC 03040101080020, Middle Mitchell River TLW), a watershed that exhibits both the need and opportunity for wetland, stream, and riparian buffer restoration. More specifically, goals outlined in the 2009 RBRP for the watershed include: 1. Restoration of water quality and aquatic habitat in impaired stream segments; 2. Protection of high -resource value waters, including HQ W, OR W, and WSW designated waters and those containing large numbers of rare and endangered species (NHEOs); 3. Continuation of existing watershed restoration and protection initiatives and projects, including efforts funded by Clean Water Management Trust Fund (CWMTF), DWQ's 319 Program, NC EEP, Ag Cost Share Program (A CSP) and Community Conservation Assistance Program (CCAP); 4. Collaborative efforts with local resource agencies, land trusts and willing landowners to implement new stream, riparian buffer and wetland restoration, enhancement and preservation projects within TLWs; S. Improved management of stormwater runoff (including the implementation of stormwater BMP projects), especially in urban and suburban areas contributing to downstream degradation of stream habitat and impairment of water quality; and 6. Implementation of agricultural BMPs in order to limit inputs of sediment, nutrients, and fecal coliform to streams from active farming operations. 2.1 Site Selection The Project was identified as a stream and buffer restoration opportunity to improve water quality, habitat, and hydrology within the Yadkin River Basin, and more specifically, as a TLW within the 2009 Upper Yadkin Pee -Dee RBRP. The site lends itself to accomplish multiple RBRP goals along Project reaches due to an absence of riparian buffers, cattle access to the stream, and the historic land use, which has led to channelization. Many of the Project design goals and objectives will address major watershed stressors identified in the 2009 RBRP. Project -specific goals and objectives will be addressed further in Section 5. A project watershed map with the Project's drainage areas is shown on Figure 2 and watershed planning priority boundaries are shown on Figure 1. The Project will address three of the six goals outlined in the 2009 Upper Yadkin Pee -Dee RBRP. By establishing a conservation easement, ORW designated waters will be protected in perpetuity (RBRP Goal 2). Collaborative efforts have been made with local and willing landowners to implement new stream and enhancement projects within the Middle Mitchell River TLW (03040101080020) (RBRP Goal 4). The Project will include the use of agricultural BMPs to limit inputs of sediment, nutrients, and fecal coliform to streams from active farming operations (RBRP Goal 6). Establishing riparian buffers, instream structures, and increasing bedform diversity will help address RBRP Goal 1, but achievement will not be quantified. Little Sebastian Mitigation Plan 2 November 2018 Project #100027 The land required for the construction, management, and stewardship of this Project includes three parcels in Surry County with the following ownership in Table 2 & Figure 3. Once finalized, a copy of the land protection instruments will be included in Appendix C. The DMS Conservation Easement model template will be utilized to draft the site protection instruments. Table 2. Project Parcel and Landowner Information Little Sebastian Mitigation Plan 3 November 2018 Project #100027 PIN Owner of Record Or Stream Reach Tax Parcel ID# Christopher Edward Nixon and 495600199069 495600282159 JN2-A, JN2-B, JN2-C, JN2-D, JN3- Gwyn Dobbins Nixon (Surry County) A, JN3-B, MC1-A, MCI -B, MCI -C The Byron Thomas Shaw II and Mary Beth Shaw 495600581103 MC3-A, MC3-B, MC3-C, MC3-D, Revocable Living Trust U/T/D (Surry County) BSI -A, BSI -B, BSI -C, BSI -D, of November 7, 2011 BS1-E Little Sebastian Mitigation Plan 3 November 2018 Project #100027 3 BASELINE AND EXISTING CONDITIONS 3.1 Watershed Summary Information Drainage Area and Land Use The Project area is comprised of Mill Creek and three tributaries that flow west to east, and eventually drain into the Yadkin River. The total drainage area for the Project is 3,261 acres (5.09 square miles). Primary land use within the rural watershed consists of approximately 70% forest and 25% agricultural land. Impervious area covers less than one percent of the total watershed (Table 3 & Figure 4). Within the agricultural land use, pastureland accounts for 91 percent of the area, cropland comprises six percent of the area, and hayland comprises three percent of the area. Although the project watershed is primarily forested, the majority of the agricultural areas within the watershed are in close proximity to the Project, and play a significant role in the degradation of the Project streams. Historic and current land -use within the immediate Project area and west of Mill Creek have allowed cattle direct access to the streams. These activities have negatively impacted both water quality and streambank stability along the Project streams and their tributaries. The resulting observed stressors include excess nutrient input, streambank erosion, sedimentation, livestock access to streams, channel modification, and the loss of riparian buffers. Table 3. Project Watershed Summary Information Level IV Ecoregion 45e — Northern Inner Piedmont River Basin Yadkin USGS Hydrologic Unit 8 -digit 03040101 USGS Hydrologic Unit 14 -digit 03040101080020 DWR Sub -basin 03-04-01 Project Drainage Area (acres) 3,261 Percent Impervious Area <1% Surface Water Classification Mill Creek has been classified as Class C, Trout Waters (Tr), and Outstanding Resource Waters (ORW), (NCDWQ 2011). Class C waters are protected for uses such as secondary recreation, fishing, wildlife, fish consumption, aquatic life including propagation, survival and maintenance of biological integrity, and agriculture. Secondary recreation includes wading, boating, and other uses involving human body contact with water where such activities take place in an infrequent, unorganized, or incidental manner (NCDWQ 2011). Outstanding Resource Waters (OWR) are a subset of High Quality Waters. This supplemental classification is intended to protect unique and special waters having excellent water quality and being of exceptional state or national ecological or recreational significance. To qualify, waters must be rated Excellent by DWR and have one of the following outstanding resource values: Outstanding fish habitat and fisheries, unusually high level of water based recreation or potential for such kind of recreation, some special designation such as North Carolina Natural and Scenic River or National Wildlife Refuge, important component of state or national park or forest, or special ecological or scientific significance (rare or endangered species habitat, research or educational areas) (NCDWQ 2011). Little Sebastian Mitigation Plan 4 November 2018 Project #100027 Trout Water Jr) is a supplemental classification intended to protect freshwaters which have conditions which shall sustain and allow for trout propagation and survival of stocked trout on a year-round basis (NCDWQ 2011). 3.2 Landscape Characteristics The Project is located in the Northern Inner Piedmont Level IV ecoregion, which is characterized by rolling to hilly higher elevations than the Southern Outer Piedmont, more rugged topography, and more monadnocks or mountain outliers than other areas of the Piedmont. It has colder temperatures, more snowfall, and a shorter growing season than in Southern Inner, Southern Outer, Northern Outer, and Carolina Slate Belt Piedmont regions. It also has mostly mesic soils rather than the thermic soils that cover other regions of the Carolina Piedmont. The region contains more Virginia pine and less shortleaf pine than Southern Outer Piedmont and Carolina Slate Belt, more chestnut oak, and many mountain disjunct plant species. Streams tend to have higher gradients than in the Outer Piedmont regions, and contain many mountain -type macroinvertebrate species. Vegetation Vegetation around the unbuffered reaches of Mill Creek and its tributaries are primarily composed of herbaceous vegetation and some scattered trees. In general, these riparian zones are disturbed due to regular land management activities. On April 30, 2018 four 100 -meter squared plots were surveyed along the floodplain of Mill Creek, and its tributaries, to categorize the existing vegetation communities. Forested riparian areas along the majority of Mill Creek and its tributaries have been intermittently cattle -grazed and lack a well-developed understory and shrub strata, while short reaches of enhancement and preservation represent more natural community assemblages. For this reason, representative plots were surveyed along reach MC1, MC3 and BS 1 within the project, and JN6 within the Gideon Mitigation Site (Appendix B). Within each vegetation plot, all trees greater than or equal to five inches (12.7 centimeters) diameter at breast height (DBH) were identified, measured, and used to calculate both basal area and stems per acre. Trees greater than or equal to 54 inches (137 centimeters) in height were used to quantify tree species diversity. Canopy species data was calculated to quantify the existing natural community (Schafale, 2012) (Table 4). Shrub species and herbaceous species were also identified, and the percent cover was estimated. Table 4. Little Sebastian Vegetation Plot Summary Basal Area Plot (M2 /ha) Avg. DBH (cm) Trees per Acre Total Tree Species Natural Community 1 71.21 40.53 162 5 Disturbed Piedmont Headwater Stream Forest 2 66.83 19.40 324 6 Disturbed Piedmont Alluvial Forest 3' 64.80 27.85 405 6 Piedmont Headwater Stream Forest 4 0 0 0 0 Pasture AVG 50.71 21.94 222 4 ' Indicates the vegetation survey was performed on the Gideon Mitigation Site Dominant canopy species across the Project included tulip -poplar (Liriodendron tulipifera), white oak (Quercus alba), American holly (Ilex opaca), sourwood (Oxydendrum arboreum), Virginia pine (Pinus virginiana), red maple (Acer rubrum), tag alder (Alnus serrulata), and black cherry (Prunus serotina). Sub -canopy species included great laurel (Rhododendron maximum), mountain laurel (Kalmia latifolia), and spicebush (Lindera benzoin). Herbaceous species in the enhancement and preservation reaches included Christmas fern (Polystichum acrostichoides), mayapple (Podophyllum peltatum), Little Sebastian Mitigation Plan 5 November 2018 Project #100027 Virginia creeper (Parthenocissus quinquefolia), trout lily (Erythronium americanum), wood anemone (Anemone quinquefolia), and Solomon's seal (Polygonatum biflorum). Invasive species were also found within the vegetation survey plots, and in the vicinity of the site: tree of heaven (Ailanthus altissima), Chinese privet (Ligustrum sinense), multiflora rose (Rosa multiflora), and Japanese honeysuckle (Lonicera japonica). Non-native species included wavy bittercress (Cardamine flexuosa), little leaf buttercup (Ranunculus abortivus), creeping buttercup (Ranunculus repens), common chickweed (Stellaria media), common white clover (Trifolium repens), common speedwell (Veronica persica), mock strawberry (Duchesnea indica), annual meadow grass (Poa annua), red fescue (Festuca rubra), and lovegrass (Eragrostis curvula). Existing Wetlands A survey of existing wetlands was performed on October 4, 2017. Wetland boundaries were delineated using current methodology outlined in the 1987 U.S. Army Corps of Engineers Wetland Delineation Manual (Environmental Laboratory 1987). Soils were characterized and classified using the Field Indicators of Hydric Soils in the United States, Version 7.0 (USDA-NRCS 2010). Within the boundaries of the proposed Project, two jurisdictional wetlands are present. The two wetlands occur on Reach JN3 (Figure 5) and are labeled as WA (Wetland A) and WB (Wetland B). WA is approximately 0.42 acres in size, and a small portion of the wetland is present within the easement boundary. WB is approximately 0.48 acres in size, and a small portion of the wetland is present within the easement boundary. Large portions of WA and WB are under active management for cattle. Vegetation within the wetland areas was made up of tearthumb (Persicaria sagittata), Pennsylvania smartweed (Persicaria pensylvanica), common rush (Juncus effuses), tiger nut (Cyperus esculentus), and green bulrush (Scirpus atrovirens). Outside of the easement and wetland areas, cattle are actively managed for, and fescue is the dominant forage. A preliminary jurisdictional determination (PJD) request was sent to the USACE on October 27, 2017 and a final PJD was received on May 22, 2018 (Appendix I). The US Fish and Wildlife Service (USFWS) National Wetland Inventory Map (NWI) does not depict any potential wetland areas within the Project, but there is freshwater pond mapped adjacent to Reach JN3 (Figure 6). Moreover, the soils mapped adjacent to JN3 are considered predominantly nonhydric (ArA, Arkaqua loam), and have the potential to be hydric (Figure 7). Geology According to geology data from the North Carolina Geologic Survey, published in 1985, the Project is within geologic map unit Zabg, occurring in the Blue Ridge Belt. Zabg is associated with sedimentary and metamorphic type rocks of Alligator Back formation that formed within the Late Proterozoic period between 500 and 900 million years ago. This formation is finely laminated to thin layered; locally contains massive gneiss and micaceous granule conglomerate; and includes schist, phyllite, and amphibolite. Soil Survey The existing soil information from the Natural Resource Conservation Service (NRCS) shows the property is located within the Woolwine-Fairvew soil association. The association is found on Piedmont uplands. It is made up of gently sloping to steep, well drained soils that have a loamy surface layer and a clayey subsoil. Woolwine-Fairview soil association is generally characterized by interfluves, ridges, and low hills scattered throughout the county. The Surry County Soil Survey shows several mapping units across the project. Map units include four soil series. The soil series found on the Project are described below and summarized in (Table 5). Little Sebastian Mitigation Plan 6 November 2018 Project #100027 Project soils are mapped by the NRCS as Arkaqua loam, Colvard and Suches soils, and Woolwine- Fairview-Westfield complex within the easement (Figure 7). Arkaqua loam is a frequently flooded, somewhat poorly drained soil that is found on drainageways on valleys. Colvard-Fairview-Westfield complex is an occasionally flooded, well -drained soil that is found on natural levees on floodplains on close to 50 percent of the Project. Woolwine-Fair-Westfield complex soils are stony, well drained, and occur on 15-45 percent slopes on ridges. The surrounding soils are mapped as Arkaqua, Colvard, and Woolwine-Fairview-Westfield complex. Colvard and Woolwine-Fairview-Westfield Complex soils are considered non -hydric, while Arkaqua is considered predominantly non -hydric. Arkaqua soils in drained areas have a moderate infiltration rate, whereas undrained Arkaqua soils have a very slow infiltration rate; these soils occur on zero to two percent slopes. Colvard soils have a high infiltration rate and occur on zero to three percent slopes. Woolwine-Fairview-Westfield complex soils have a slow infiltration rate when saturated and occur on slopes ranging from 15-45 percent slopes. Arkaqua loam. This is a moderately deep, somewhat poorly drained soil that occurs on nearly level floodplains along creeks and rivers in the Appalachian, Blue Ridge, and Great Smokey Mountains. They formed in loamy alluvial sediments washed largely from soils formed in residuum from granite, gneiss, schist, phyllite, and other metamorphic and crystalline rocks, and generally occur on slopes less than two percent. Runoff is slow and permeability is moderate. Major uses are for pasture and crop land. Arkaqua loam occurs in 17.4% of the total easement area at low elevation in reaches JN3-B, BS1- E, MC3-A, MC3-B, MC3-C, and MC3-D. Colvard and Suches soils. These are very deep, well -drained soils that occur on alluvium on floodplains in the southern Appalachian Mountains. They formed in loamy alluvial sediments washed largely from soils formed in residuum from granite, gneiss, schist, phyllite, and other metamorphic and crystalline rocks, and generally occur on slopes between zero to three percent. Runoff is slow and permeability is moderate to rapid. Major uses are cultivated crops and pasture land. Colvard and Suches soils occur in 44.3% of the lower elevations in the western easement. Woolwine-Fairview-Westfield complex. This is a very deep, well -drained soil that occurs on hillslopes on ridges in the Piedmont upland. They formed in residuum from felsic or intermediate metamorphic or igneous rock, and generally occur on slopes between 15-45 percent. Runoff is high and permeability is moderate. Major uses include cultivated crops, pasture, and forest. Woolwine-Fairview- Westfield occurs in 38.3% of sloped segments scattered along both easement areas. Table 5. Mapped Soil Series Map Unit Symbol Map Unit Name Percent Hydric Drainage Class Hydrologic Soil Group Landscape Setting ArA Arkaqua loam, 0-2% slopes 8% Somewhat BSD Drainageways on poor valleys CsA Colvard and Suches soils, 0- 0% Well A Natural levees on 3% slopes floodplains Little Sebastian Mitigation Plan 7 November 2018 Project #100027 Map Unit Symbol Ma Unit Name Percent Hydric Drainage Class Hydrologic Soil Group Landscape Setting WoD Woolwine-Fairview-Westfield 0% Well C Hillslo es on complex, 15-25% slopes ridges WoE Woolwine-Fairview-Westfield 0% Well C Hillslo es on complex, 25-45% slopes ridges 3.3 Land Use - Historic, Current, and Future Historic aerial imagery indicates that the Project and adjacent Gideon Mitigation Site, has been used extensively for agricultural purposes, and that the location of the streams has not significantly changed in over 50 years (Figure 8). Agricultural expansion occurred along the tributaries of the western easement area beginning in the mid -1960's. The eastern easement area remained heavily forested until cattle pastures were established along most of its length after the western easement area reached its current stage of use. Several watershed characteristics, such as groundwater, vegetation, surface drainage, and potentially soil parameters have been modified. Soil structure and surface texture have been altered from intensive agricultural operations. The Project and adjacent Gideon Mitigation Site is currently still in agricultural use and is being used as pasture for cattle. Livestock have full access to the project reaches, and these reaches remain heavily impacted. The eastern side of the Project (cleared after 1976) remained cleared, but much of the area has been allowed to regenerate naturally. The trees in this area are dispersed throughout the pasture and have not formed a dense stand. Outside the Project area is also mostly in agricultural use and where it is not, remains heavily forested. The future land use for the Project and adjacent Gideon Mitigation Site will include 36.55 acres of conservation easement, that will be protected in perpetuity. The combined conservation easements encompass 12,886 linear feet of high functioning streams, a minimum 30 -foot riparian buffer, and will be protected with fencing. Outside the Project will likely remain in agricultural use. Much of the forested area in the immediate vicinity of the Project has steep terrain, and if it is cleared, will likely be used for pasture rather than cropland due to the erosive properties of the soils in the area. 3.4 Regulatory Considerations and Potential Constraints Property, Boundary, and Utilities An existing overhead service powerline is present within the proposed easement area and will be relocated outside the easement by Pee Dee Electric. In addition, a subsurface phone line is present, which will also be relocated outside the easement by CenturyLink. No other utility lines are present. There are five planned crossings within the Project. These crossings will occur at easement breaks and will allow landowners to continue current land -use and access as needed. Three ford crossings will be upgraded to culvert crossings, one additional culvert crossing will be added, and another ford crossing will be improved. The bridge at the end of Ed Nixon Road will be replaced, and this is the terminal end of the western part of the Project where the Gideon Mitigation Site begins after the break. There are seven easement breaks; one easement break/culvert occurs along JN2-C that is approximately 27 feet; one easement break/culvert occurs on JN2-D that is approximately 69 feet; one easement break occurs Little Sebastian Mitigation Plan 8 November 2018 Project #100027 between MCI -A and MCI -13 that is approximately 30 feet and will allow the road to be maintained; one easement break occurs along MC1-B that is approximately 41 feet and is an existing utility line; one easement break/culvert occurs along JN3-B and is approximately 43 feet; one easement/ford crossing break occurs on MC3-13 that is approximately 41 feet; and one easement break/culvert occurs along BSI -E and is approximately 45 feet. The eastern side of the Project (Reach MCI -1) is continuous with the Gideon Mitigation Site and there is no easement break. Federal Emergency Management Agency (FEMA)/ Hydrologic Trespass According to the North Carolina Floodplain Mapping Information System, the Project includes a portion of Mill Creek within the FEMA 100 -year flood zone (Zone AE) (Figure 9). No regulated floodway is mapped. Hydraulic modeling will be required to determine whether restoration activities will have an effect on 100 -year flood elevations downstream. The design and permitting of the mitigation will include coordination with the Surry County Floodplain Administrator and a No -Rise Certification or CLOMR/LOMR will be secured. No hydrologic trespass will be permitted to adjacent properties upstream or downstream of the project. The Project can be found on Flood Insurance Rate Map (FIRM) Panel 4946 (map number 3710494600J), effective date August 18, 2009. Environmental Screening and Documentation To ensure that a project meets the "Categorical Exclusion" criteria, the Federal Highways Administration (FHWA) and NCDMS have developed a categorical exclusion (CE) checklist that is included as part of each mitigation project's Environmental Resources Technical Report (ERTR). The CE for the Little Sebastian Project is included in Appendix K and was approved by DMS and FHWA in December 2017. Table 6 summarizes which regulatory considerations are applicable and which ones remain outstanding. Threatened and Endangered Species Plants and animals with a federal classification of endangered or threatened are protected under provisions of Sections 7 and 9 of the Endangered Species Act of 1973, as amended. The US Fish and Wildlife Service (USFWS) database lists three Federally listed species that may occur in proximity to the Project: Schweinitz's sunflower (Helianthus schweinitzii), small whorled pogonia (Isotria medeolodies), and Northern long-eared bat (Myotis septentrionalis). No protected species or potential habitat for protected species were observed during preliminary project evaluations. Species and species habitat listed in the USFWS database were inspected during the field investigation to determine whether they occur at the Project. No individual species or habitats were identified on site. Potential impacts to species and habitat off site, downstream, and within the vicinity of the Project were also considered. A letter was sent to the USFWS on October 20, 2017 requesting review and comment of possible issues with respect to threatened and endangered species on the Project. USFWS responded on November 20, 2017 and stated that besides the Northern long-eared bat (NLEB), there is no record of other federally protected species in the project vicinity. Incidental take of the NLEB is exempt, but the USFWS encouraged avoiding tree cutting from May 15 — August 15, if possible. Documentation of this correspondence can be found in Appendix K. To comply with the NLEB 4(d) streamlined rule for federal agencies, the required consultation form was submitted by the FHWA to the USFWS as part of the CE process for NCDMS projects. Federally protected species met the Categorical Exclusion Criteria for FHWA and DMS projects and documentation is included in Appendix K. The Fish and Wildlife Coordination Act requires consultation with state fish and wildlife agencies when "waters of any stream or other body of water are proposed or authorized, permitted or licensed to be impounded, diverted... or otherwise controlled or modified." A letter was sent to the North Carolina Little Sebastian Mitigation Plan 9 November 2018 Project #100027 Wildlife Resources Commission (NCWRC) on October 20, 2017 requesting review and comment of possible issues with respect to fish and wildlife resources on the Project. A response was received on December 01, 2017 and NCWRC indicated that there is potential for the brook floater (federal species of concern; state endangered) to be present on the Project. A NCWRC biologist performed a field investigation in April 2018 to determine if the species is present. NCWRC did not find any brook floater in the Project area. Documentation is included in Appendix K. Cultural Resources A letter was sent to the North Carolina Department of Cultural Resources, State Historic Preservation Office (SHPO) that described the Project and requested a review and comment of potential cultural resources occurring within the vicinity of the Project. On October 17, 2017 the SHPO responded to the public notice (on September 21, 2017), stating that there will be no effect on historic resources. Documentation of this correspondence is found in Appendix K. Cultural Resources met the Categorical Exclusion Criteria for FHWA and DMS projects and documentation is included in Appendix K. Table 6. Regulatory Considerations Regulation Applicable? Resolved? Supporting Documentation Waters of the United States - Section 404 Yes No Appendix K Waters of the United States - Section 401 Yes No Appendix K Endangered Species Act Yes Yes Appendix K National Historic Preservation Act Yes Yes Appendix K Coastal Zone Management Act (CZMA) /Coastal Area Management Act CAMA No N/A N/A FEMA Floodplain Compliance Yes No Appendix L Magnuson -Stevens Act - Essential Fisheries Habitat No N/A N/A 3.5 Reach Summary Information The Project area is comprised of two easement areas along Mill Creek. There are seven easement breaks on the project; one easement break/culvert occurs along JN2-C; one easement break/culvert occurs on JN2-D; one easement break occurs between MCI -A and MCI -B; one easement break occurs along MCI -B; one easement break/culvert occurs along JN3-B; one easement/ford crossing breaks occurs along MC3-B; and one easement break/culvert occurs along BSI -E. The stream channels include Mill Creek and three unnamed tributaries, split into 18 reaches based on proposed treatment type (Figure 10). Results of the preliminary data collection are presented in Table 7. In general, all or portions of JN2-B, JN2-C, JN2-D, JN3-A, JN3 -B, MC 1-A, MCI -B, MC 1-C, BSI -A, BSI -B, BSI -C, BSI -D, BSI -E, MC3-B, MC3-C, and MC3-D do not function to their full potential. Current conditions demonstrate significant habitat degradation as a result of impacts from agriculture, livestock production, and lack of riparian buffer. Being heavily eroded and incised, some of the streams do not access their floodplains as frequently as they naturally would have prior to agricultural operations. In many cases in the lower elevations, the riparian buffer is in poor condition where much of the riparian buffer is devoid of trees or shrubs and row crops are present up to the edge of the existing channel. In some of the higher elevation reaches, trees are present, but understory riparian buffer has been heavily impacted by cattle. Habitat along the much of the restoration reaches is poor in that there is little woody debris or overhanging vegetation for fish cover or protection for other aquatic species. Morphological parameters are located in Appendix B. Little Sebastian Mitigation Plan 10 November 2018 Project #100027 Table 7. Summary of Existing Channel Characteristics Reach Drainage Area (ac) ABKF 1 (ft) Width (ft) Mean Depth (ft) Width:Depth Ratio Sinuosity Slope (ft/ft) JN2-A 10 1.1 4.9 0.2 23.0 1.09 0.073 JN2-13 17 2.4 5.2 0.5 11.4 1.21 0.037 JN2-C 37 3.3 8.7 0.4 22.8 1.25 0.039 JN2-D 38 3.4 4.9 0.7 7.1 1.25 0.039 JN3-A 956 26.1 14.9 1.8 8.5 1.14 0.014 JN3-13 999 28.5 17.9 1.6 11.2 1.31 0.011 MCI -A 1,862 29.9 18.7 1.6 11.7 1.25 0.006 MCI -B 1,915 38.6 23.1 1.7 13.8 1.07 0.018 MCI -C 2,921 30.6 17.4 1.8 10.0 1.16 0.008 MC3-AB/C 3,225 67.6 31.0 2.2 14.2 1.12 0.009 MC3-D 3,262 71.2 34.4 2.1 16.6 1.12 0.009 B S 1-A/C/E 12-29 2.4 3.2 0.8 4.2 1.13 0.049 BSI -B/D 14-28 3.6 7.7 0.5 16.6 1.13 0.049 'ABKF= cross sectional area (measured at approximate bankfull stage as estimated using existing conditions data and NC Regional Curve equations where field indicators were not present) Channel Classification All stream reaches have been classified as perennial using the NCDWR Stream Identification Form version 4.11 and are B-, C-, E-, and F -stream types as classified using the Rosgen stream classification system (Rosgen, 1996). Channel characteristics are summarized in Table 7 and Appendix B. Stream determinations have been verified by the USACE. Discharge Estimating flows (discharge) for the Project is difficult due to the channelization and agricultural impacts of the existing streams. Several models, regression equations, and the Piedmont regional curves were used to estimate existing bankfull discharges. Land use and slope were considered when the discharge calculations were developed. All hydraulic and hydrologic analyses are discussed in Section 6.2. Data and analysis of the hydrologic and hydraulic models are included as Appendix B. Existing Channel Morphology Existing channel conditions are described below and depicted in Figure 5. JN2 Reach JN2-A is a headwater system that flows south through a narrow valley with a moderate sediment load. The channel is stable and cattle do not have access to this reach. The riparian buffer is in good condition with a mix of mature hardwoods. The stream quality assessment score is 56. Reach JN2-B is a headwater system that flows south from JN2-A, and into Reach JN2-C. JN2 is relatively stable as a whole, has a gravel/cobble bed, and an intact wooded buffer along the majority of the reach on the west side. Livestock have access to the reach and resulting erosion from cattle impacts is localized. There is significant bank cutting, steep or nearly vertical bank slopes, and large deposits from the eroding channel. The stream quality assessment score is 52. Reach JN2-C flows south into Reach JN2-D The channel is relatively stable in location, has a gravel/cobble bed, and an intact wooded buffer along the majority of the reach on the west side. Little Sebastian Mitigation Plan 11 November 2018 Project #100027 Livestock have access to the reach; however, resulting erosion from cattle impacts is minor and localized. Downstream 150 feet is in active pasture. The stream quality assessment score is 41. Reach JN2-D is a headwater system that flows south into Mill Creek. JN2 is relatively stable as a whole, has a gravel/cobble bed, and no buffer on either bank. This is an active pasture and livestock have access to the reach, resulting in erosion. There is significant bank cutting, steep or nearly vertical bank slopes, and large deposits from the eroding channel. There is also an existing ford located on this reach. The stream quality assessment score is 35. JN3 Reach JN3-A is a relatively stable, gravel/cobble bed stream with a low to moderate sediment load and channel slopes ranging from one to two percent. The stream has been historically straightened and relocated to the east side of the valley. The channel appears to be managing its sediment load and the banks exhibit little to no erosion. The riparian buffer is fully intact and comprised of hardwoods and little understory along the left back, while the buffer along the right bank is wooded yet narrow. Cattle have direct access to the channel; however, there appears to be little evidence of livestock impacts. The stream quality assessment score is 52. JN3-B is a sand/gravel/cobble bed stream with a moderate to high sediment load that flows south from JN3-A to MCI -C and is within an active pasture. Livestock have direct access to the channel, and the resulting impacts have severely degraded the channel banks. There is active bank erosion (mass wasting/bank sloughing) which is contributing large amounts of sediment to the system. The riparian buffer is in poor condition with little to no woody vegetation located along the top of banks. Jurisdictional wetlands are in the floodplain of the right bank; WA is approximately 0.42 acres in size and WB is approximately 0.48 acres in size. The stream quality assessment score is 53. MC1 Reaches MCI -A and MC1-B (located along Mill Creek) is a relatively stable, gravel/cobble bed stream that flows west to east through the project. The bed profile appears stable and is controlled by cobble riffles and bedrock outcrops. The channel appears to be managing its moderate sediment load and the banks are generally stable throughout. The buffer is intact and forested along the right bank, while an active pasture lines the left bank. The stream quality assessment score is 71 for MCI -A and 55 for MCI -B. MC 1-C (located along Mill Creek) is a sand/gravel/cobble bed stream with a moderate to high sediment load that flows to an existing bridge crossing. This reach is located in an active pasture and is channelized. Livestock have direct access to the channel, and the resulting impacts have severely degraded the channel banks. There is active bank erosion (mass wasting/bank sloughing) which is contributing large amounts of sediment to the system. The riparian buffer is in poor condition with little to no woody vegetation located along the top of banks. The stream quality assessment score is 30. MC3 Reaches MC3-A, MC3-B, MC3-C and MC3-D (located along Mill Creek) flow west to east through the project from the Gideon Mitigation Site. It is a slightly incised and relatively stable, gravel and cobble bed stream as a whole, but there are localized areas of erosion along B, C, and D. The bed profile appears stable and is controlled by downstream bedrock outcrops. The channel appears to be managing its moderate sediment load and the banks are generally stable throughout. The buffer is intact and forested along the right bank, while an active pasture lines the left bank. The upstream most portion MC3-A has a more mature and wider riparian buffer. Reach MC3-B's left bank is unstable. Reach MC3-C currently has a ford crossing consisting of bedrock. The stream quality assessment score for MC3 is 59. Little Sebastian Mitigation Plan 12 November 2018 Project #100027 BS1 Reaches BSI -A, BSI -C and BSI -E is a headwater system that flows south through a v -shaped valley, eventually into Reach MCI. There are numerous headcuts and areas of incision present along the channel, and livestock currently access the reach along its entirety. In areas where the valley floor is slightly wider, livestock impacts are more severe, and subsequently generate higher sediment loads. These more degraded areas are proposed for restoration. In contrast, the channel is more stable and has coarser substrate in areas where the valley is narrower. Reaches BS 1-B and BS I -D is a headwater system that flows south through a v -shaped valley into Reach MCI. There are numerous headcuts and areas of incision present along the channel, and livestock currently access the reach along its entirety. In areas where the valley is more confined and little to no floodplain is present, the channel appears relatively stable and has coarser substrate. These relatively stable areas are proposed for enhancement. In contrast, livestock impacts are more severe, and the channel is more degraded where the valley floor is slightly wider. The stream quality assessment score for BSI -A/C is 32 and BSl-B/D is 33. Channel Stability Assessment A modified version of the channel stability assessment method ("channel assessment") provided in "Assessing Stream Channel Stability at Bridges in Physiographic Regions" by Johnson (2006) was used to assess channel stability for the Project's existing channels. This method may be rapidly applied on a variety of stream types in different physiographic regions having a range of bed and bank materials. The original channel assessment method was designed to evaluate 13 stability indicators in the field. These parameters are: watershed characteristics (frequency of watershed disturbances such as agricultural activities, urbanization, etc.), flow habit, channel pattern, entrenchment/channel confinement, bed material, bar development, presence of obstructions/debris jams, bank soil texture and coherence, average bank angle, bank vegetation/protection, bank cutting, mass wastingibank failure, and upstream distance to bridge. See Appendix B for a detailed description of the stability indicators. As this method was initially developed to assess stability at bridges, a few minor adjustments were made to remove indicators that contradict stability characteristics of natural channels in favor of providing hydraulic efficiency at bridges. First, the "channel pattern" indicator was altered such that naturally meandering channels scored low as opposed to straightened/engineered channels that are favorable for stability near bridges. Secondly, the last indicator, "upstream distance to bridge", was removed from the assessment as bridges are not a focus of channel stability for this project. The 12 indicators were then scored in the field, and a rating of excellent, good, fair, or poor was assigned to each project reach based on the total score. The channel assessment results (scores and ratings) for the Project are provided in Table 8. Seven of the eighteen project stream reaches received "Fair" ratings, while eight reaches received "Good" ratings. Most reaches along BSI (A, C, and E) received a rating of "Poor." Most Project streams were observed to have relatively high bank angles and many were found to be actively eroding. A majority of the channels have been impacted by farming practices or livestock production, and most are slightly entrenched. These characteristics are reflected in the higher channel assessment scores for average bank angle and bank vegetation/protection. Most reaches also scored poorly for watershed characteristics since the surrounding land use is dominated by agriculture activities. Little Sebastian Mitigation Plan 13 November 2018 Project #100027 Table 8. Channel Stability Assessment Results * Excellent (0 < Score <= 36), Good (36 < Score <= 72), Fair (72 < Score <= 108), Poor (108 < Score <= 144) Little Sebastian Mitigation Plan 14 November 2018 Project #100027 JN2-A JN2-B JN2-C JN2-D JN3-A JN3-B MCI -A MCI -B MCI -C MC3- A/B/C/D BS1- A/C/E BSI -B/D 1 Watershed 3 6 7 7 4 7 9 8 12 4 11 10 characteristics 2 Flow habit 4 7 7 7 3 7 5 5 6 4 7 6 3 Channel pattern 2 9 11 7 4 5 4 4 7 1 10 10 4 Entrenchment/channel 5 7 7 7 5 8 4 3 3 3 10 9 confinement 5 Bed material 4 7 7 8 6 6 5 5 3 6 11 9 6 Bar development 5 9 10 7 6 7 6 5 6 6 11 8 7 Obstructions/debris 3 7 9 7 6 9 1 4 4 5 9 7 jams 8 Bank soil texture and 3 8 8 7 4 6 8 5 4 4 11 10 coherence 9 Average bank angle 2 10 12 5 7 9 7 7 6 6 11 10 10 Bank 3 7 7 11 7 9 6 7 10 8 9 7 vegetation/protection 11 Bank cutting 3 7 11 9 4 7 4 6 7 4 9 8 12 Mass wasting/bank 2 10 10 6 5 7 3 5 7 5 10 8 failure 13 Upstream distance to NA NA NA NA NA NA NA NA NA NA NA NA bridge Score 39 94 106 88 61 87 62 64 75 56 119 102 Rating* Good Fair Fair Fair Good Fair Good Good Fair Good Poor Fair * Excellent (0 < Score <= 36), Good (36 < Score <= 72), Fair (72 < Score <= 108), Poor (108 < Score <= 144) Little Sebastian Mitigation Plan 14 November 2018 Project #100027 3.6 Site Photographs Reach JN2-A looking upstream 01/09/2018 Reach JN2-A looking downstream 01/09/2018 Reach JN2-B looking upstream 01/09/2018 Reach JN2-C looking upstream 01/09/2018 Reach JN2-B looking downstream 01/09/2018 Reach JN2-C looking downstream 01/09/2018 Little Sebastian Mitigation Plan 15 November 2018 Project #100027 Reach JN2-D looking upstream 01/09/2018 Reach JN3-A looking upstream 01/09/2018 Reach JN3-B looking upstream 01/10/2018 Reach JN2-D looking downstream 01/09/2018 Reach JN3-A looking downstream 01/09/2018 Reach JN3-13 looking downstream 01/10/2018 Little Sebastian Mitigation Plan 16 November 2018 Project #100027 Reach MCI -A looking upstream 01/10/2018 Reach MCI -B looking upstream 01/10/2018 Reach MC1-C looking downstream 04/30/2018 Reach MCI -A looking downstream 01/10/2018 Reach MCI -B looking downstream 01/10/2018 Reach MCI -C looking upstream 04/30/2018 Little Sebastian Mitigation Plan 17 November 2018 Project #100027 Reach B S 1-A looking upstream 04/30/2018 Reach BSI -B looking upstream 04/30/2018 Reach BSI -C looking upstream 01/10/2018 Reach BSI -A looking downstream 04/30/2018 Reach B S 1-B looking downstream 04/30/2018 Reach BSI -C looking downstream 01/10/2018 Little Sebastian Mitigation Plan 18 November 2018 Project #100027 Reach BSI -D looking upstream 01/10/2018 Reach BSI -E looking upstream 04/30/2018 Reach MC3-A looking upstream 04/30/2018 Reach BSI -D looking downstream 01/10/2018 Reach BSI -E looking downstream 04/30/2018 Reach MC3-A looking downstream 04/30/2018 Little Sebastian Mitigation Plan 19 November 2018 Project #100027 Reach MC3-B looking upstream 01/10/2018 Reach MC3-C looking upstream 04/30/2018 � •, 7 Reach MC3-D looking upstream 01/10/2018 Reach MC3-B looking downstream 01/10/2018 Reach MC3-C looking downstream 04/30/2018 Reach MC3-D looking downstream 01/10/2018 Little Sebastian Mitigation Plan 20 November 2018 Project #100027 4 FUNCTIONAL UPLIFT POTENTIAL The Stream Functions Pyramid Framework (Harman et. al. 2012) uses stream functions to describe project objectives, existing condition assessments and monitoring, performance metrics, and design criteria. The Framework separates stream functions into five categories, ordered into a hierarchy, which communicate the interrelations among functions and illustrate the dependence of higher level functions (biology, physiochemical and geomorphology) on lower level functions (hydrology and hydraulics). Functions that affect the greatest number of other functions are illustrated at the base of the Pyramid, while functions that have the least effect on other functions are illustrated at the top. The Pyramid is illustrated below Chart 1. Stream Functions Pyramid A Guide for Assessing & Restoring Stream Functions N uvmvi Ew Chart 1. Stream Functions Pyramid wharman931rean-MWan1U cum '�StreamMechanies Fischenich (2006) found that the most critical functions include those that address hydrodynamic processes, sediment transport processes, stream stability and riparian buffer restoration. By addressing these fundamental functions and processes, a restored stream and riparian system are capable of supporting more dependent functions that typically require time to establish, such as diverse biological communities, chemical and nutrient processes, diverse habitats and improved water and soil quality. The objectives of the Project will address the most critical functional objectives that will allow for a more restored stream and riparian buffer over time. While traditional mitigation approaches have generally relied on surrogate measures of success (i.e. linear feet of restoration) for determining SMU credit yields, a function -based approach provides a Little Sebastian Mitigation Plan 21 November 2018 Project #100027 more objective and flexible approach to quantify the expected ecological benefits of a mitigation design. Additionally, a functional based approach broadens the reach -scale goals of a restoration project by contextualizing the functional uplift to the watershed scale. The Little Sebastian Mitigation Project will provide numerous ecological and water quality benefits within the Yadkin River Basin by applying an ecosystem restoration approach. The restoration approach at the reach scale of this project will have the greatest effect on the hydraulic and geomorphology function of the system but will benefit the upper-level functions (physiochemical and biology) over time, and in combination with other projects within the watershed. Anticipated functional benefits and improvements within the Project area, as based on the Function -Based Framework are outlined in Table 9. Neither the Stream Functions Pyramid nor the Quantification Tool are proposed to determine success of the mitigation site. A highly -functioning score means that the function is being met with little to no constraints. A functioning score means that the measurement method is quantifying or describing one or more aspects of a function -based parameter in a way that does support a healthy aquatic ecosystem. Functioning -at - risk means that the measurement method is quantifying or describing one or more aspects of a function - based parameter in a way that can support a healthy aquatic ecosystem. This can indicate the function - based parameter is adjusting in response to changes in the reach or the watershed, and the trend may be towards lower or higher function. A functioning -at -risk score implies that the aspect of the function - based parameter is between functioning and not functioning (Harman et al. 2012). 4,1 Anticipated Functional Benefits and Improvements Hydrology According to the Stream Functions Pyramid Framework, hydrology is defined as the transport of water from the watershed to the channel. Therefore, the Project intends to make significant improvements to the already functioning hydrology. Much of the improvement will come from altering land use within these reaches' small catchment areas. By converting land use for a significant percentage of the catchment area from pasture to riparian forest, curve numbers will decrease and reach runoff will improve. Additionally, installation of one agricultural runoff attenuation structure will regulate upstream runoff coming into BS1. Hydraulic The hydraulic function of the Pyramid is defined as transport of water in the channel, on the floodplain, and through sediments. Perhaps the greatest potential uplift at the Project will be achieved through establishing healthy floodplain connectivity. Reaches in the Project do not have functioning floodplain connectivity or stable flow dynamics. Reaches where floodplain connectivity is not -functioning or functioning -at -risk will be improved to functioning by reducing bank height ratios and increasing entrenchment ratios. Reaches in which stable flow dynamics are not functioning or functioning at risk will be improved to functioning by constructing a new channel that is geometrically stable based on the Project's hydrology inputs. Additionally, instream structures will be installed to address the energy and erosive power of the water so that a stable base flow is achieved post -project. Geomorphology Geomorphology as defined within the Pyramid Framework, is the transport of wood and sediment to create bed forms and dynamic equilibrium. Sediment Transport will be improved in reaches that currently function -at -risk or not -functioning by designing channels that transport sediment until it reaches an appropriate place to settle like a point bar. Large Woody Debris Transport and Storage will be improved through the use of woody debris such as log vanes, root wads, log weirs, and log toes for in -stream structures on restoration and enhancement reaches. The restoration reaches are also designed to accumulate woody debris by having defined shallow riffles where cobble catches and holds woody Little Sebastian Mitigation Plan 22 November 2018 Project #100027 debris and leaf packs. Riparian vegetation is functioning in some areas but is either functioning -at -risk or not -functioning on most reaches. Therefore, riparian buffers will be planted out to a minimum of 30 feet to improve the riparian vegetation to functioning levels. Bed form diversity will be improved in restoration areas by using a natural riffle pool sequence from the reference reach to inform design of functioning riffle pool sequences in constructed channels based on reference reach conditions. This bed form diversity will also further improve aquatic habitat. All of these functional parameters are interconnected and ultimately depend on each other in order to function properly. Therefore, by focusing improvements to these parameters, the restored channels will achieve dynamic equilibrium and provide maximum geomorphic functional uplift. Physiochemical The Pyramid Framework defines the physicochemical category as temperature and oxygen regulation, and the processing of organic matter and nutrients. Although the Project would support the overarching goal in the Yadkin Pee -Dee River Basin Priorities to promote nutrient and sediment reduction in agricultural areas, it is difficult to measure nutrient and sediment reduction at this project level because they are affected by so many variables. However, several restoration actions are known to help reduce nutrients and sediment even though they may not be measurable at the project level. These activities include cattle exclusion and direct removal of fecal inputs, filtering runoff through buffer areas, the conversion of active farm fields to forested buffers, and improved denitrification and nutrient uptake through buffer zones. Additional benefits may also come from functional uplift of the lower level stream functions (hydraulics and geomorphology), which will reduce sediment and nutrients in the system through bank stabilization and reforesting. Temperature regulation will also be improved through the restoration of canopy tree species to the stream buffer areas. Oxygen regulation will occur through two actions: first, the temperature of the water directly impacts the amount of gas held by the water. Therefore, through planting the buffer to shade the channel, the temperature is decreased and dissolved oxygen is increased. Second, the log structures placed in the stream create mixing zones where oxygen dissolves much faster than the standard exchange rate of oxygen to dissolved oxygen. The processing of organic matter will be improved once healthy riffles are shallow enough to catch twigs and branches that then retain leaves. Many of these physiochemical benefits occur slowly over time and are dependent on multiple variables within the stream ecosystem. Therefore, it is not practical or feasible to directly measure these parameters within the monitoring time -frame of this project. With that said, it is logical to use existing riparian buffer and visual performance standards to demonstrate the positive correlation between geomorphic parameters and physicochemical parameters. For example, as riparian buffer trees grow, as represented in annual monitoring reports, it is anticipated that canopy cover is actively shading the stream channel and reducing water temperature. This is not a substitute for direct physicochemical monitoring, but it is a useful tool to help project the long-term benefits of the Project in terms of the functional uplift. Biology The highest category of the Pyramid is biology, defined as the biodiversity and life histories of aquatic and terrestrial life, specifically referring to animals. As mentioned for the physiochemical stream function, it will be difficult to measure the functional uplift of the biological functions at this site within the monitoring period of the project. However, since the life histories of many species likely to benefit from stream and wetland restoration are depending on all the lower -level functions, the functional uplift from the hydraulic and geomorphic levels would have a positive effect to the biology over time and in combination with other projects within the watershed is anticipated. Again, there is no substitute for direct biological monitoring, but it is important to understand the hierarchy of the Stream Functions Pyramid Framework in order to help project long-term benefits of the Project though only categories two and three (hydraulics and geomorphology) will be directly measured during the seven-year monitoring period. Little Sebastian Mitigation Plan 23 November 2018 Project #100027 5 MITIGATION PROJECT GOALS AND OBJECTIVES Through the comprehensive analysis of the Project's maximum functional uplift using the Stream Functions Pyramid Framework, specific, attainable goals and objectives will be realized by the Project. These goals clearly address the degraded water quality and nutrient input from farming that were identified as major watershed stressors in the 2009 Upper Yadkin Pee -Dee River RBRP. The Project will address outlined RBRP Goals 2, 4, and 6 (listed in Section 2). The Project goals are: • Improve water transport from watershed to the channel in a non-erosive manner in a stable channel; • Improve flood flow attenuation on site and downstream by allowing for overbanks flows and connection to the active floodplain; • Improve instream habitat; • Restore and enhance native floodplain vegetation; and • Indirectly support the goals of the 2009 Upper Yadkin Pee -Dee RBRP to improve water quality and to reduce sediment and nutrient loads. The Project objectives to address the goals are: • Design and reconstruct stream channels sized to convey bankfull flows that will maintain a stable dimension, profile, and planform based on modeling, watershed conditions, and reference reach conditions; • Permanently exclude livestock from stream channels and their associated buffers; • Add in -stream structures and bank stabilization measures to protect restored and enhanced streams; • Install habitat features such as brush toes, constructed riffles, woody materials, and pools of varying depths to restored and enhanced streams; • Reduce bank height ratios and increase entrenchment ratios to reference reach conditions; • Increase forested riparian buffers to at least 30 feet on both sides of the channel along the Project reaches with a hardwood riparian plant community; • Implement one agricultural BMP in order to limit inputs of sediment, nutrients, and fecal coliform to streams from surrounding farming operations; • Treat exotic invasive species; and • Establish a permanent conservation easement on the Project. Anticipated functional benefits and improvements within the Project area, as based on the Function Based Framework are outlined in Table 9. Limitations to achieving these watershed goals arise by remaining constrained to the project boundaries. While we are restoring the habitat and streams to stable and effective conditions that achieve our goals within the Project parcels, we are unable to influence the effect of poor riparian buffers and livestock impact in other areas within the watershed. However, through this Project's connectivity with the Gideon Mitigation Site within the watershed and responsible stewardship of other current restoration projects, overall watershed functionality and health will improve to meet the RBRP goals. Agricultural Best Management Practices (BMPs) A suite of agricultural BMPs will be utilized for the Project to reduce direct effluent inputs, pollutant contamination, and sediment loading. The combination of the following agricultural BMPs: riparian buffer planting, bank stabilization, stream restoration, livestock exclusion, livestock watering facilities, Little Sebastian Mitigation Plan 24 November 2018 Project #100027 and pipeline, will ultimately lead to the functional uplift of the site, while still allowing livestock production to persist through the installation of alternative water sources. The riparian buffer will be restored along all project reaches, except Reach JN2-A, which is a preservation reach. Restored riparian buffers are established adjacent to and up-gradient from watercourses of water bodies to improve water quality. The main advantages of the restored riparian buffer will be to provide water quality treatment, erosion control, and water temperature benefits. Moreover, there will be significant reductions in sedimentation, nutrient input, and fecal coliform input. Approximately 13,500 linear feet of livestock exclusion fencing will be installed along the easement boundary; therefore, livestock will no longer have stream access. The type of exclusion fence installed will be based on landowner preference. The main advantages of exclusion fence are that there will be significant reductions in sediment, nutrients, and fecal coliform. To account for eliminating livestock water access, landowners will be provided an alternate water source. A total of three wells and six watering facilities will be installed to provide high quality drinking water to livestock. One agricultural runoff attenuation structure will be installed at the top of BSI where forms of concentrated flow enter the conservation easement. The agricultural runoff attenuation structure will be installed within the conservation easement so that the structure is protected. Failure or maintenance of the structure is not anticipated as this structure will be installed in a low-gradient area, and the area proposed to diffuse flow will be well vegetated and matted. Stormwater management issues resulting from future development of adjacent properties will be governed by the applicable state and local ordinances and regulations. It is recommended that any future stormwater entering the Project maintain pre-development peak flow. Any future stormwater diverted into the project should be done in a manner as to prevent erosion, adverse conditions, or degradation of the project in any way. Little Sebastian Mitigation Plan 25 November 2018 Project #100027 Table 9. Functional Benefits and Improvements Not Measured (NM); Not Functioning (NF); Functioning -at -risk (FAR); Functioning (F) ° These categories are measured indirectly; *These categories are not quantifiably measured Little Sebastian Mitigation Plan November 2018 Project #100027 26 Existing Level Function Goal Functional Rating/Projected Objective Measurement Method Parameter Rating Reach Channel -Forming Discharge Convert land -use of Precipitation/Runoff streams and their Relationship headwaters from Percent Project drainage pasture to riparian area converted to Hydro loy to transport water from Flow Duration forest riparian forest Transport of water from the watershed to the F/F (indirect measurement) the watershed to the channel in a non-erosive Flood Frequency (All Reaches) Install one agricultural channel manner runoff attenuation Visually monitor Catchment structure to regulate integrity of runoff Hydrology upstream runoff and attenuation structure coming into the reach. Reach Runoff (Reach BS1) Baseflow Alteration F/F MCI -A, JN2-A, Flood Bank JN3-A, MC3-A Cross sections Hydraulic Connectivity FAR/F Improve flood bank Transport of water in the to transport water in a JN2-C, MC1-B, connectivity by Crest gauges Z channel, on the floodplain, stable non-erosive Flow D Dynamics BS 1-B, BS 1-D reducing bank height and through the sediments manner Groundwater/Surface ratios and increase entrenchment ratios Bank Height Ratio water exchange NF/F Entrenchment Ratio JN2-B, JN3-B, MC3-C, BSI -A, BSI -C, BSI -E Sediment Transport Large Woody Debris (LWD) Transport F/F Reduce erosion rates and Storage MCI -A, JN2-A, and channel stability As -built stream profile JN3-A, MC3-A to reference reach Channel Evolution conditions Geomorpholo�y to create a diverse FAR/F Cross sections Transport of wood and bedform Lateral Stability JN2-C MC1-B Improve bedform 3 sediment to create diverse to achieve dynamic BSI -B, BSI -D diversity (pool Visual monitoring bedforms and dynamic equilibrium Riparian Vegetation spacing, percent equilibrium NF/F riffles, etc.) Stream walks Bedform Diversity JN2-B, JN3-B, Bed Material MC3-C, BSI -A, Increase buffer width Vegetation plots BS1-C, BSI -E to 30 feet Characterization Sinuosity Unmeasured Objectives F/F MCI -A, JN2-A, Improve stream to achieve appropriate Water Quality JN3-A, MC3-A temperature Vegetation plots Physiochemical ° levels for water regulation through (indirect measurement) Temperature and oxygen temperature, dissolved Water Temperature FAR/F introduction of 4 regulation; processing of oxygen concentration, JN2-C, MCI -B, canopy Established fencing and organic matter andperpetual and other important Nutrient Load BSI -B, BSI -D conservation nutrients nutrients including but Decrease nutrient easement not limited to Nitrogen Organic Carbon NF/F loading through (indirect measurement) and Phosphorus JN2-B, JN3-B, filtration of planted Bacteria MC3-C, BS1-A, riparian buffer, and B S 1-C, BSI -E removing livestock from the riparian areas Microbial Communities F/F Unmeasured Macrophyte MCI -A, JN2-A, Objective to achieve functionality Communities JN3-A, MC3-A Biome � in Levels 1-4 to support Improve aquatic Biodiversity and life the life histories of Benthic NF/F habitat through the Vegetation plots histories of aquatic life aquatic and riparian Macroinvertebrate JN2-B, JN2-C, installation of habitat (indirect measurement) histories and riparian life plants and animals Communities JN3-B, MCI -B, features, construction MC3-C, BSI -A, of pools at varying Fish Communities BS 1-B, BS 1-C, depths, and planting B S 1-D the riparian buffer Landscape Connectivity Not Measured (NM); Not Functioning (NF); Functioning -at -risk (FAR); Functioning (F) ° These categories are measured indirectly; *These categories are not quantifiably measured Little Sebastian Mitigation Plan November 2018 Project #100027 26 6 MITIGATION WORK PLAN 6.1 Reference Stream The restoration portions of the Project are characterized by livestock practices. Portions of the Project were historically diverted to form poorly -functioning stream channels. Physical parameters of the Project were used, as well as other reference materials, to determine the target stream type. The "Classification of the Natural Communities of North Carolina" was also used to narrow the potential community types that would have existed at the Project (Schafale, 2012). An iterative process was used to develop the final information for the Project design. Targeted reference conditions included the following: • Located within the Physiographic Region and ecoregion, • Similar watershed size, • Similar land use on site and in the watershed, • Similar soil types on site and in the watershed, • Ideal, undisturbed habitat — several types of woody debris present, • Similar topography, • Similar slope, • Pattern common among Piedmont streams, and • Minimal presence of invasive species. Obtaining property owner information and owner authorization for access was another factor in locating suitable reference sites for the Project. There was no predetermined amount of reference sites needed as long as the site was suitable and met the parameters. Many streams in this watershed are impacted by cattle and agricultural practices, having a minimal riparian buffer, making it difficult to find an ideal reference for the Project site. A reference stream site that proves to be ideal in both geomorphology and habitat is located just upstream of Reach JN3-A on site. The reference reach is located approximately 250 feet north of the project site. This site is the reference for JN3-B and MC1-C restoration reaches. The reference site for BS1-A, BSI -C, and BSI -E is taken from a first order stream in Wilkes County, an unnamed tributary flowing into Smithey's Creek. Reference Watershed Characterization The first reference stream is an unnamed tributary that flows north to south and drains through the project, JN3 to Mill Creek. The portion of this reference reach that was surveyed and analyzed is approximately 225 feet long. The drainage area for the reach is 1.44 square miles (921 acres). The second reference reach, UT to Smithey's Creek, is also located within the Yadkin Pee -Dee River Basin. This reach is 150 feet in length, with a drainage area of 0.18 square miles (118 acres). The land use in both watersheds is characterized by mostly agricultural, with mixed pines and hardwoods (42%), and a small amount of residential. Site photographs of the reference streams are located in Appendix B. Reference Discharge Several hydrologic models/methods were used to develop a bankfull discharge for each reference reach. Existing drainage area, land use, slope, roughness, and cross sectional area were all factors considered when performing the calculations. Using a combination of Piedmont Regional Curves, in-house spreadsheet tools, and a project specific regional flood frequency analysis, the existing discharge for the onsite reach was found to be around 113-122 cubic feet per second (ft3/s) and 25-28 ft3/s for UT to Smithey's Creek. See Section 6.2 for a more detailed description of the hydrologic analyses performed for this project. Little Sebastian Mitigation Plan November 2018 Project #100027 27 Reference Channel Morphology In comparison to the restoration reaches, the onsite reference reach is approximately the same or slightly smaller than Reaches JN3-B and MCI -C while UT to Smithey's Creek was slightly larger than BSI - A, BSI -C, and BS1-E when comparing pattern, dimension and profile, which is the reason for using a scaling factor for the design. The scaling factor is based on the difference in bankfull area of the reference channel. The designed reach would then have the necessary dimensions of either a smaller or larger stream corresponding to differences in drainage area. The onsite reference reach was typically 17.5 feet wide and 1.6 feet deep. The cross sectional area was typically around 27.7 square feet with a width to depth ratio around 11.1. For UT to Smithey's Creek, the reach was typically 7.7 feet wide and 0.9 feet deep. The cross sectional area was typically around 7.1 square feet with a width to depth ratio around 8.5. Reference Channel Stability Assessment The reference reaches were stable and showed no evidence of incision or erosion in the portions that were surveyed and analyzed. Each stream appeared to maintain its slope and had sufficient amounts of vegetation to secure its banks. Riparian buffer widths exceeded 30 feet on each side. The Channel Stability Assessment scores and ratings for Reach JN3-A is provided above in and Section 3.5. The reach received a "Good" rating as the channels demonstrate a stable meandering pattern and a well vegetated riparian buffer upstream of Reach JN3-A. Reference Bankfull Verification Typical indicators of bankfull include vegetation at the bankfull elevation, scour lines, wrack lines, vegetation lines, benches/inner berm, and point bars. Throughout the entire length of the reference reaches, bankfull is located at the top of bank elevation. The accuracy of this bankfull stage is verified by the Piedmont Regional Curves and hydrologic analyses using existing cross sections to calculate area and discharge. Evidence that can further support the location of bankfull is the lack of any bench or berm features within the channel, and wrack lines present within the floodplain. Reference Riparian Vegetation Both reference reach riparian communities are characteristic of a Piedmont Headwater Stream Forest community (Schafale, 2012). On March 8, 2018 two 100m2 plots were surveyed along the reach above JN3-A and Smithey's Creek, to categorize the existing vegetation community. Forested riparian areas along the reference reach have not been heavily disturbed, and remain relatively intact. Dominant tree species included red maple (Acer rubrum), white oak (Quercus alba), American holly (Ilex opaca), sourwood (Oxydendrum arboreum), tulip -poplar (Liriodendron tulipifera), northern red oak (Quercus rubra), and eastern white pine (Pinus strobus). The average basal area was approximately 52.5m2 per hectare, and the average stems per -acre was 303 stems/acre. There was a high species diversity in the herbaceous stratum, including: greenbrier (Smilax rotundifolia), Christmas fern (Polystichum acrostichoides), cranefly orchid (Tipularia discolor), hill cane (Arundinaria appalachiana), twister sedge (Carex torta), partridge berry (Mitchells repens), wood anemone (Anemone quinquefolia), down rattlesnake plantain (goodyera pubescens), shrub-yellowroot (Xanthorhiza simplicissima), and southern dewberry (Rubus trivialis). Some invasive species we present at the reference reach, most notably Chinese privet (Ligustrum sinense) and Japanese honeysuckle (Lonicera japonica). It is anticipated that a local seed source for high dispersal species is present upstream at the Project and will disperse across much of the Project area. These species are often found in early successional communities and quickly fill disturbance gaps. Because many of these high dispersal species often become aggressive in these sites, they are not included in the Restoration Planting List (Section 6.3). Hardwood species typical of the target community were observed in adjacent and nearby communities and were judged to be more appropriate for this site. Little Sebastian Mitigation Plan November 2018 Project #100027 28 6.2 Design Parameters Stream Restoration Approach Stream restoration efforts along the tributaries of the Project will be accomplished through analyses of geomorphic conditions and watershed characteristics. The design approach applies a combination of analytical and reference reach based design methods that meet objectives commensurate with both ecological and geomorphic improvements. Proposed treatment activities may range from minor bank grading and planting to re-establishing stable planform and hydraulic geometry. For reaches requiring full restoration, natural design concepts have been applied and verified through rigorous engineering analyses and modeling. The objective of this approach is to design a geomorphically stable channel that provides habitat improvements and ties into the existing landscape. The Project will include priority I stream restoration, enhancement I, enhancement II, and preservation. Priority I stream restoration will incorporate the design of a single -thread meandering channel, with parameters based on data taken from reference sites, published empirical relationships, regional curves developed from existing project streams, and NC Regional Curves. Analytical design techniques will also be a crucial element of the project and will be used to determine the design discharge and to verify the design as a whole. A design concept map is provided in Figure 10. Current stream conditions along the proposed restoration reaches exhibit habitat degradation as a result of impacts from livestock and channelization performed to promote agricultural activities. Additionally, the riparian buffer is in poor condition throughout most of the Project area, where much of it is devoid of trees or shrubs, and active pasture is present up to the edge of the existing channel. The Project design approach began with a thorough study of existing conditions, including the on-site streams, valleys, and watershed. Design parameters, including active channel, habitat and floodplain features were developed from analyses performed on the reference site data. Analytical design techniques were used to determine the design discharge and to verify the design as a whole. Engineering analysis will be performed using various hydrologic and hydraulic models to verify the reference reach based design. A combination of methods will be used to estimate bankfull flows, and flows corresponding to other significant storm events. A HEC -RAS model will then be used to simulate water surface elevations of flows generated by the hydrologic analysis. The development of the HEC model is an important component to the design; therefore, model input parameters are field verified when possible. Through this hydrologic analysis, the design discharge (typically referenced as bankfull or dominant discharge) will be determined. The subsequent design will be based on this calculated discharge. As part of the design process, a qualitative analysis of sediment supply will be performed by characterizing watershed conditions. A combination of windshield surveys, existing land use data, and historical aerial photography, followed up by ground truthing, will be analyzed to assess existing and past watershed conditions and to determine if any changes occurred that would significantly impact sediment supply. Design parameters developed through the analyses of reference reach data, watershed characterizations, and hydrologic and hydraulic modeling will be confirmed using the Sediment Transport Analysis components within HEC -RAS in conjunction with shear stress and velocity analyses. Geomorphic and habitat studies will be performed concurrently with the engineering analyses. While stream design will be verified by simulations of hydrology and fluvial processes, analogs of desirable habitat features will be derived from reference sites and integrated into the project design. Both in - stream and riparian habitat features will be designed. In -stream structures will be used throughout the project to act as grade control and for bank stabilization by dissipating and redirecting the stream's Little Sebastian Mitigation Plan November 2018 Project #100027 29 energy. Bank stability may further be enhanced through the installation of brush mattresses, live stakes and cuttings bundles. Sections of abandoned stream channel will be backfilled with material excavated from onsite to the elevation of the floodplain in areas adjacent to the new channel, installing channel plugs where necessary. The floodplain will be planted with native species creating a vegetated buffer, which will provide numerous water quality and ecological benefits. Stream banks will be stabilized using a combination of grading, erosion control matting, bare-root plantings, native material revetment techniques (i.e., bioengineering), structure placement, and sod transplants where possible. The stream and adjacent riparian areas will be protected by a minimum 30-foot conservation easement which will be fenced to exclude livestock as needed. In conjunction with the stream restoration, adjacent wetland hydrology will be enhanced through raising the channel bed. No wetland mitigation credits will be generated from the enhancement of these wetland areas; however, the enhancement and protection of these currently degraded wetlands will store excess water during flood events, prevent erosion of stream banks, and reduce in-stream sedimentation and nutrients. The Project has been broken into the following design reaches: Reach JN2-A - This reach begins on the northwest end of the project, and flows south to JN2-B. This reach totals 418 linear feet of Preservation. Mature forest is located on both sides of the reach. Preservation activities will include improving the existing livestock exclusion fencing and buffers greater than 30 feet. The easement will be extended to provide preservation beyond the origin point of the stream as per the PJD. Reach JN2-B -This reach begins on the northwest end of the project, from JN2-A, and flows south to JN2-C. This reach totals 187 linear feet of Enhancement I. Sparse woodland and actively managed pasture is located adjacent to the reach. Enhancement activities will include improving habitat through supplemental buffer plantings and livestock exclusion fencing. Minimal bank grading and buffer re- establishment is also proposed along the downstream end. In-stream structures such as log sills and one log cross vane will be installed for stability and to improve habitat. The restoration of the riparian areas at the downstream end will filter runoff from adjacent pasture, reduce sediment loads, and provide wildlife corridors throughout the Project area. Reach JN2-C - This reach begins on the northwest end of the project, from JN2-B, and flows south to JN2-D. The reach is divided into two sections by an existing farm crossing and totals 1,144 linear feet of Enhancement 11. Sparse woodland and actively managed pasture is located adjacent to the reach. Enhancement activities will include improving habitat through supplemental buffer plantings and livestock exclusion fencing. Minimal bank grading and buffer re-establishment is also proposed along the downstream end. The restoration of the riparian areas at the downstream end will filter runoff from adjacent pasture, reduce sediment loads, and provide wildlife corridors throughout the Project area. Reach JN2-D - This reach begins on the northwest end of the project, from JN2-C, and flows south to MC1-B. The reach is divided into two sections by an existing farm crossing and totals 196 linear feet of Enhancement I. Actively managed pasture is located adjacent to the reach. Enhancement activities will include some channel relocation, bed and bank stabilization, removing an existing ford crossing and access road, improving habitat through supplemental buffer plantings, and livestock exclusion fencing. The restoration of the riparian areas at the downstream end will filter runoff from adjacent pasture, reduce sediment loads, and provide wildlife corridors throughout the Project area. Reach JN3-A — This reach begins on the northwest end of the project, and flows south to JN3-B. This reach totals 350 linear feet of Enhancement 11. Sparse woodland and actively managed pasture is on the Little Sebastian Mitigation Plan November 2018 Project #100027 30 right bank and the left bank has a more mature forest. Enhancement II activities at a 7.5:1 ratio will include improving habitat through supplemental buffer plantings and livestock exclusion fencing. The widening and restoration of the riparian areas along the right bank will filter runoff from adjacent pasture and reduce sediment loads. Reach JN3-B - This reach begins on the northwest end of the project, from JN3-A, and flows south to MC1-C. The reach is divided into two sections by an existing farm crossing and totals 1,043 linear feet of Restoration along a gravel/cobble channel (proposed D50 of 50-60 mm). Sparse woodland and actively managed pasture is located adjacent to the reach. Restoration activities will include constructing a new channel within the natural valley to the north with appropriate dimensions and pattern and backfilling the abandoned channel. In -stream structures such as log sills, brush toes, and log vanes will be installed for stability and to improve habitat. Habitat will further be improved through buffer plantings and livestock exclusion. Proposed buffer activities will improve riparian areas that will filter runoff from adjacent pastures, thereby reducing nutrient and sediment loads to the channel. Also, the reach will be built through two small jurisdictional wetlands that are currently on the right bank floodplain and degraded from cattle access and pasture -use. While this project is not claiming any wetland credit, the raised channel bed should enhance the wetlands' hydrology by reconnecting the floodplain wetlands to the stream. Two gauges will be installed on the right floodplain to monitor the wetland hydrology and will be reported in the yearly monitoring reports. Reach MC1-A - This reach begins on the west end of the project, and flows west to MC 1-B. This reach totals 469 linear feet of Enhancement 11 at a 7.5:1 ratio. Sparse woodland and actively managed pasture is located on the left bank. Enhancement activities will include improving habitat through supplemental buffer plantings and livestock exclusion fencing. The widening and restoration of the riparian areas along the right bank will filter runoff from adjacent pasture and reduce sediment loads. Reach MC1-B - This reach begins on the west end of the project, from MCI -A, and flows west to MCI -C. The reach is divided into two sections by an existing farm crossing and totals 977 linear feet of Enhancement 11. Sparse woodland and actively managed pasture is located adjacent to the reach. Enhancement activities will include improving habitat through supplemental buffer plantings and livestock exclusion fencing. The widening and restoration of the riparian areas along the left bank will filter runoff from adjacent pasture, reduce sediment loads, and provide wildlife corridors throughout the Project area. Reach MO -C - This reach begins on the west end of the project, from MCI -B, and flows west to the Gideon Mitigation Site where the restoration continues for another 1,030 LF. This reach totals 555 linear feet of Restoration along a gravel/cobble channel (proposed D50 of 50-60 mm). Actively managed pasture is located adjacent to the reach. Restoration activities will include using log structures to provide vertical stability, assist in maintaining riffle, run and pool features and to provide habitat features. Cut and fill will be balanced in an effort to raise the channel bed to provide regular inundation of the adjacent floodplain. Habitat will further be improved through supplemental buffer plantings and livestock exclusion fencing. The Gideon Mitigation Bank will be constructed with the Project. Reach MC3-A - This reach begins on the east end of the project, continuous from the Gideon Mitigation Site, and flows west to MC3-B. This reach totals 243 linear feet of Enhancement 11 at a 10:1 ratio. Dense woodland is located adjacent to the reach. Enhancement activities will include improving habitat through supplemental buffer plantings and livestock exclusion fencing. The widening and restoration of the riparian areas along the right bank will filter runoff from adjacent pasture and reduce sediment loads. Little Sebastian Mitigation Plan November 2018 Project #100027 31 Reach MC3-B - This reach begins on the east end of the project, from the MC3-A, and flows west to MC3-C. This reach totals 402 linear feet of Enhancement II. Sparse woodland and actively managed pasture is located adjacent to the reach. Enhancement activities will include reshaping the left bank, install coir matting and livestakes, and improving habitat through supplemental buffer plantings and livestock exclusion fencing. The widening and restoration of the riparian areas along the left bank will filter runoff from adjacent pasture, reduce sediment loads, and provide wildlife corridors throughout the Project area. A ford crossing will be installed on this reach. Reach MC3-C - This reach begins on the east end of the project, from the MC3-B, and flows west to MO -D. This reach totals 214 linear feet of Enhancement I. Sparse woodland and actively managed pasture is located adjacent to the reach. Enhancement activities will include reshaping the left bank, install coir matting and livestakes, and improving habitat through supplemental buffer plantings and livestock exclusion fencing. The widening and restoration of the riparian areas along the left bank will filter runoff from adjacent pasture, reduce sediment loads, and provide wildlife corridors throughout the project area. Reach MC3-D - This reach begins on the east end of the project, from MC3-C, and flows west out of the easement. This reach totals 395 linear feet of Enhancement 11. Dense woodland and actively managed pasture is located adjacent to the reach. Enhancement activities will include improving habitat through supplemental buffer plantings and livestock exclusion fencing. The widening and restoration of the riparian areas along the left bank will filter runoff from adjacent pasture, reduce sediment loads, and provide wildlife corridors throughout the Project area. Reach BSI -A - This reach begins on the northeast end of the project, and flows south to BSI -B. This reach totals 214 linear feet of Restoration. Sparse woodland and actively managed pasture is located adjacent to the reach. Restoration activities will include using log and rock structures to provide vertical stability, assist in maintaining riffle, run and pool features and to provide habitat features. Cut and fill will be balanced in an effort to raise the channel bed to provide small floodplain benches where topography allows. Habitat will further be improved through supplemental buffer plantings and livestock exclusion fencing. A flood attenuation structure in the form of a dry detention basin will be installed at the top of this reach. Reach BS1-B - This reach begins on the northeast end of the project, from BS1-A, and flows south to BS1-C. This reach totals 175 linear feet of Enhancement II. Sparse woodland and actively managed pasture is located adjacent to the reach. Enhancement activities will include improving habitat through supplemental buffer plantings and livestock exclusion fencing. The widening and restoration of the riparian areas along the left bank will filter runoff from adjacent pasture, reduce sediment loads, and provide wildlife corridors throughout the project area. Reach BS1-C - This reach begins on the northeast end of the project, from BSI -B, and flows south to BS 1-D. This reach totals 541 linear feet of Restoration. Sparse woodland and actively managed pasture is located adjacent to the reach. Restoration activities will include using log and rock structures to provide vertical stability, assist in maintaining riffle, run and pool features and to provide habitat features. Cut and fill will be balanced in an effort to raise the channel bed to provide small floodplain benches where topography allows. Habitat will further be improved through supplemental buffer plantings and livestock exclusion fencing. Reach BS1-D - This reach begins on the southeast end of the project, from BS 1-C, and flows south to BS1-E. This reach totals 177 linear feet of Enhancement II. Sparse woodland and actively managed pasture is located adjacent to the reach. Enhancement activities will include improving habitat through supplemental buffer plantings and livestock exclusion fencing. The widening and restoration of the Little Sebastian Mitigation Plan November 2018 Project #100027 32 riparian areas along the left bank will filter runoff from adjacent pasture, reduce sediment loads, and provide wildlife corridors throughout the Project area. Reach BSI -E - This reach begins on the southeast end of the project, from BS1-D, and flows south to MO -D. The reach is divided into two sections by an existing farm crossing and totals 368 linear feet of Restoration. Sparse woodland and actively managed pasture is located adjacent to the reach. Restoration activities will include using log structures to provide vertical stability, assist in maintaining riffle, run and pool features and to provide habitat features. Cut and fill will be balanced in an effort to raise the channel bed to provide small floodplain benches where topography allows. Habitat will further be improved through supplemental buffer plantings and livestock exclusion fencing. Design Discharge Based upon the hydrologic analyses described below, design discharges were selected that fall between model results for the 1.1 -year and 1.5 -year flood frequency analysis for each reach. The selected flows for the restoration reaches are 120-240 ft3/s for the larger reaches and 5-8 ft3/s for the smaller ones along BS1. These discharges will provide frequent inundation of the adjacent floodplain. The design discharges were selected based on the following rationale: • The calculated bankfull discharge for the analog/reference reach and existing reaches fall between the results of the 1.1 -year and 1.5 -year flood frequency analysis, • The results of the 1.1 -year flood frequency analysis are slightly higher than the NC regional curve (Doll et al., 2002), and • Selecting design discharges close to the 1.1 -year storm events allows frequent inundation of the adjacent floodplain. Design Methods There are three primary methods that have demonstrated success in stream restoration: analog, empirical, and analytical. All three methods have advantages and limitations, and it is often best to utilize more than one method to address site-specific conditions or to verify the applicability of design elements. This is particularly true in developed watersheds where existing conditions do not always reflect current inputs and events, and sediment and hydrologic inputs may remain unstable for some time. Combinations of analytical and analog methods were used to develop the stream designs for the Proj ect. Analytical Approach Analytical design is based on principles and processes considered universal to all streams, and can entail many traditional engineering techniques. The analytical approach utilizes continuity, roughness equations, hydrologic and hydraulic models, and sediment transport functions to derive equilibrium conditions. Since the project is located within a rural watershed, restoration designs are based on hydrologic and hydraulic analyses, including rainfall -runoff models to determine design discharges coupled with reference reach techniques. Analog Approach The analog method of natural channel design involves the use of a "template" or reference stream located near the design reach and is particularly useful when watershed and boundary conditions are similar between the design and analog reaches (Skidmore et al., 2001). In an analog approach, the planform pattern, cross sectional shape, longitudinal profile, and frequency and locations of woody debris along the analog reaches are mimicked when developing the design parameters for the subject stream. Little Sebastian Mitigation Plan November 2018 Project #100027 33 1. The appropriate bankfull cross sectional area (CSA) of each design reach was calculated using an in-house spreadsheet based on Manning's Equation. The input parameters included the design discharge as determined by the hydrologic analysis described above, and proposed slope based on site conditions and the sinuosity measured for the analog reach. 2. The cross sectional shape was adjusted within the spreadsheet to replicate the width -depth ratios and side slopes surveyed along the analog reach, while also maintaining the CSA necessary to convey the design discharge. The scaling factor is determined from the ratio of the design topwidth to the analog topwidth (Table 10). For this project, several cross sections and planform geometry were measured at the analog site, resulting in an average width of 14.6 feet for the larger reaches and 7.6 feet for BS1. 4. Pool cross sectional areas were calculated using both typical reference reach techniques and the analog approach. Design CSAs were determined using the measured analog ratios of shallow/riffle CSA to pool CSA as applied to the design CSAs. The pool cross sectional shape was adjusted within the in-house spreadsheet as described above in step 2. Table 10. Scaling Factors for Sizing Planform Design Parameters Reach Drainage Proposed Bankfull Design Analog Reach Scaling Area (ac) CSA (W) Topwidth (ft) Topwidth (It) Factor JN3-B 999 26.9 16 14.5 1.10 MCI -C 2921/3178 45.1/54.4 21/23 14.5 1.45/1.59 BSI-A/C/E 11-29 2.7 4.5 7.0 0.64 Typical Design Sections Typical cross sections for riffles and pools are shown on the design plan sheets in Appendix A. The cross section dimensions were developed for the four design reaches by using an in-house spreadsheet described in Section 6.2 of this report. The cross sections were altered slightly to facilitate constructability; however, the cross sectional area, width to depth ratio, and side slopes were preserved. Typical pool sections include pools located on straight reaches and pools on meander bends. Meander Pattern The design plans showing the proposed channel alignment are provided in Appendix A. The meander pattern was derived directly from the analog reach and was altered in some locations to provide variability in pattern, to avoid on site constraints, to follow the valley pattern, and to make the channel more constructible. The morphologic parameters summarized in the Appendix B were applied wherever these deviations occurred. Longitudinal Profiles The design profiles are presented in Appendix A. These profiles extend throughout the entire project for the proposed channel alignment. The profiles were designed using the analog reach bed features that were sized with the scaling factors. The bed slopes and bankfull energy gradients were determined for each design reach based on the existing valley slope and the sinuosity of the design reach. Log structures will be utilized in the design to control grade, divert flows, and provide additional habitat diversity and stability. Little Sebastian Mitigation Plan November 2018 Project #100027 34 In -Stream Structures Structures will be incorporated into the channel design to provide additional stability and improve aquatic habitat. Native materials and vegetation will be used for revetments and grade control structures where applicable. Additionally, rock structures will be utilized intermittently along Reaches JN3-B, MC1-C, BS1-A/C/E to provide increased stability and habitat. Typical rock structures that will protect the channel bed and/or banks will include riffle grade controls and cross -vanes. Woody debris will be placed throughout the channel at locations and at a frequency that is similar to those observed in the analog reaches. Woody habitat features installed will include dead brush, root wads, brush toes, and log vanes. To provide additional bank stability, sod mats harvested on site will be installed along stream banks during construction if and when feasible. Sod mats will only be harvested and used if comprised of appropriate vegetation. The use of sod mats that include aggressive turf grasses will be avoided. Sod mats are natural sections of vegetation taken from the banks when they were cut during construction, and are about nine inches thick. Before installation, proposed banks are graded lower than specified to accommodate the thickness of the mat. The mats are placed on top of the bank to act as a natural stabilizer of native species, and they grow much faster than the combination of coir fiber matting and seeding. Other bank stability measures include the installation of live stakes, log sills, brush toes, log vanes, and log toes. Typical details for proposed in -stream structures and revetments are in Appendix A. Data Analysis Stream Hydrologic Analysis Hydrologic evaluations were performed for the design reaches using multiple methods to determine and validate the design bankfull discharge and channel geometry required to provide regular floodplain inundation. The use of various methods allows for comparison of results and eliminates reliance on a single model. Peak flows (Table 11) and corresponding channel cross sectional areas were determined for comparison to design parameters using the following methods: • Regional Flood Frequency Analysis, • AutoCAD's Hydraflow Hydrographs, • NC and VA Regional Curves for the Rural Piedmont, and • USGS regional regression equations for rural conditions in the Blue Ridge -Piedmont. Regional Flood Frequence A flood frequency analysis was completed for the study region using historic gauge data on all nearby USGS gauges with drainage areas less than 6,400 acres (10 mit) which passed the Dalrymple homogeneity test (Dalrymple, 1960). This is a subset of gauges used for USGS regression equations. Regional flood frequency equations were developed for the 1.1-, 1.5-, and 2 -year peak discharges based on the gauge data. Discharges were then computed for the design reach. These discharges were compared to those predicted by the discharge regional curve and USGS regional regression 2 -year discharge equations. Regional Curve Regression Equations The North Carolina Piedmont regional curves by Harman et al. (1999) and Doll et al. (2002) and the Virginia Rural Piedmont regional curves by Lotspeich (2009) for discharge were used to predict the bankfull discharge for the Project. The NC regional curves predicted flows that are similar to those predicted by the 1.1 -year flood frequency, while the VA curves are comparable to flows predicted by the 1.5 -year flood frequency equation. The regional curve equations for NC discharges by Doll et al. (2002): Little Sebastian Mitigation Plan November 2018 Project #100027 35 (1) Qbk=89.04*(DA)0.73 (Harman et al., 1999) (2) QbkJ=91.62*(DA)1.71 (Doll et al., 2002) (3) Qbkf= 43.895*(DA)1.9472 (Lotspeich, 2009) Where Qbkf=bankfull discharge (ft3/s) and DA=drainage area (mi'). USGS Regional Regression Equations USGS regression equations estimate the magnitude and frequency of flood -peak discharges. The regression equations were developed from gauge data in different physiographic regions of the Southeastern United States and are appropriate for drainage areas between one and 9000 mit. For this analysis, there was only concern for the 2 -year return interval. The equation for the rural Piedmont/Foothills (Hydrologic Region 1) (4) is: (4) Q2=158*(DA)0.649 (Weaver et al, 2009) Table 11. Peak Flow Comparison Reach Drainage Area(Ac) ( ) FFQ Qi.i FFQ Qls NC Regional Curve Q (1) NC Regional Curve Q (2) VA Regional Curve Q (3) Regional Regression Eqns. Qz (4) Design/ Calculated Q JN2-13 17 11 17 6 7 1 NA 8 JN2-D 38 18 27 11 12 3 NA 12 JN3-13 999 107 173 123 126 67 211 120 MCI -B 1915 153 252 198 199 124 322 200 MC1-C 2921 194 321 270 269 185 423 240 BSI -A 11 9 13 5 5 1 NA 5 BSI -C 22 13 19 8 8 2 NA 8 BSI -E 29 15 23 9 10 2 NA 8 Sediment Transport Analysis An erosion and sedimentation analysis was performed to confirm that the restoration design creates a stable gravel bed channel that neither aggrades nor degrades over time. Typically, sediment transport is assessed to determine a stream's ability to move a specific grain size at specified flows. Various sediment transport equations are applied when estimating entrainment for sand and gravel bed streams found in the piedmont. The US Army Corps of Engineers (USAGE) report, Stability Thresholds for Stream Restoration Materials (Fischenich, 2001), was used to obtain permissible shear stresses and velocities. Data found in this document was obtained from multiple sources using different testing conditions. The following methods and published documents were utilized during the sediment transport analysis: • Permissible Shear Stress Approach, and • Permissible Velocity Approach. Shear Stress Approach Shear stress is a commonly used tool for assessing channel stability. Allowable channel shear stresses are a function of bed slope, channel shape, flows, bed material (shape, size, and gradation), Little Sebastian Mitigation Plan November 2018 Project #100027 36 cohesiveness of bank materials, vegetative cover, and incoming sediment load. The shear stress approach compares calculated shear stresses to those found in the literature. Shear stress is the force exerted on a boundary during the resistance of motion as calculated using the following formula: (1) i = yRS i = shear stress (lb/ft) 7 = specific gravity of water (62.4 lb/ft') R = hydraulic radius (ft) S = average channel slope (ft/ft) Table 12. Comparison of Allowable and Proposed Shear Stresses '(Fischenich, 2001) Review of the above table shows that the proposed shear stresses for the Little Sebastian design reaches fall between the critical shear stress (shear stress required to initiate motion) and the allowable limits. Therefore, the proposed channel should remain stable. Velocity Approach Published data are readily available that provide entrainment velocities for different bed and bank materials. A comparison of calculated velocities to these permissible velocities is a simple method to aid in the verification of channel stability. Table 13 compares the proposed velocities calculated using Manning's equation with the permissible velocities. Table 13. Comparison of Permissible and Proposed Velocities Manning's "n" Design Velocity Permissible Reach Value (ft/s) Bed Material Velocity' (ft/sec) JN3-B 0.05 4.7 Coarse gravel to cobble 2.5-7.5 MC1-C 0.05 4.4-4.7 Coarse gravel to cobble 2.5 -7.5 BSI-A/C/E 0.05 3.4 Coarse gravel to cobble 2.5 - 7.5 '(Fischenich, 2001) Sediment Supply In addition to the stability assessment, a qualitative analysis of sediment supply was performed by characterizing watershed conditions. A combination of field reconnaissance and windshield surveys, existing land use data, and historical aerial photography were analyzed to assess existing and past watershed conditions to determine if any changes occurred that would significantly impact sediment supply. As discussed in Section 3.3, the land use throughout the site, and primarily around restoration reaches JN3-B, MCI -C, and BSI-A/C/E has changed little since 1950. Much of the project area has Little Sebastian Mitigation Plan November 2018 Project #100027 37 Allowable Shear Stress' Proposed Shear Stress at Critical Shear Stress Reach Bankfull Stage (lbs/ft') (lbs/ft') Coarse Gravel Cobble Vegetation (lbs/ft') (lbs/ft2) (lbs/ft2) JN3-B 1.08 >0.54 0.33 to 0.67 0.67 to 2.0 0.7 to 1.7 MC1-C 1.08-1.17 >0.54 0.33 to 0.67 0.67 to 2.0 0.7 to 1.7 BSI-A/C/E 0.99 >0.54 0.33 to 0.67 0.67 to 2.0 0.7 to 1.7 '(Fischenich, 2001) Review of the above table shows that the proposed shear stresses for the Little Sebastian design reaches fall between the critical shear stress (shear stress required to initiate motion) and the allowable limits. Therefore, the proposed channel should remain stable. Velocity Approach Published data are readily available that provide entrainment velocities for different bed and bank materials. A comparison of calculated velocities to these permissible velocities is a simple method to aid in the verification of channel stability. Table 13 compares the proposed velocities calculated using Manning's equation with the permissible velocities. Table 13. Comparison of Permissible and Proposed Velocities Manning's "n" Design Velocity Permissible Reach Value (ft/s) Bed Material Velocity' (ft/sec) JN3-B 0.05 4.7 Coarse gravel to cobble 2.5-7.5 MC1-C 0.05 4.4-4.7 Coarse gravel to cobble 2.5 -7.5 BSI-A/C/E 0.05 3.4 Coarse gravel to cobble 2.5 - 7.5 '(Fischenich, 2001) Sediment Supply In addition to the stability assessment, a qualitative analysis of sediment supply was performed by characterizing watershed conditions. A combination of field reconnaissance and windshield surveys, existing land use data, and historical aerial photography were analyzed to assess existing and past watershed conditions to determine if any changes occurred that would significantly impact sediment supply. As discussed in Section 3.3, the land use throughout the site, and primarily around restoration reaches JN3-B, MCI -C, and BSI-A/C/E has changed little since 1950. Much of the project area has Little Sebastian Mitigation Plan November 2018 Project #100027 37 been used primarily for agricultural purposes over the past 60 years. Much of the forested areas are located either within the headwater portions of the watersheds or along existing stream channels to the north and to the east. Land use has remained relatively constant within this rural watershed, and significant land disturbing activities are not anticipated for the future. Observations and assessments of these reaches upstream and/or in the preservation reaches show little signs of aggradation (deposition) or degradation, and that the streams appear physically stable. This indicates the reaches are able to effectively transport the sediment supplied by their respective watersheds. There are several localized areas of instability and erosion along the channels, which appear to be a result of cattle activity and agricultural activities occurring up to and along channel banks and not from watershed activities. It is anticipated that sediment supply from agricultural land adjacent to the project will decrease as buffers are enhanced and widened, and flow from existing agricultural ditches will be diffused before entering the proposed channel. Since little deposition or degradation (scour) was observed along the restoration reaches, it appears that the channels are able to effectively move the sediment supplied from the surrounding watershed. Because observed areas of degradation can be attributed to farming practices adjacent to the channel and not watershed activities, a threshold channel design approach was used. This approach assumes minimal movement (vertical or lateral migration) of the channel boundary during design flow conditions, and that the channel is not sensitive to sediment supply. Additionally, grade controls have been integrated throughout the design to provide vertical stability in the event scour should occur. 6.3 Vegetation and Planting Plan Plant Community Restoration The restoration of the plant communities is an important aspect of the restoration project. The selection of plant species is based on what was observed at the reference reach, species present in the forest surrounding the restoration site, and what is typically native to the area. Several sources of information were used to determine the most appropriate species for the restoration project. The reference stream is located within an intact Piedmont Headwater Stream Forest community. Dominant tree species included red maple, white oak, American holly, sourwood, tulip -poplar, northern red oak, and eastern white pine. The reference site was chosen due to the stability of the channel, the physical structure of the forest community, and to evaluate stream habitat. A Piedmont Stream Headwater Forest will be the target community type for all tributaries flowing into Mill Creek (JN2-A/B/C/D/E, JN3-AB, AND BS1-A/B/C/D/E); and a Piedmont Alluvial Forest will be the target community along Mill Creek (MCI-A/B/C and MC3-A/B/C/D). These target communities will be used for the planting areas within the project, shown in Appendix A. The plant species list has been developed and can be found in Table 14. Although there is one planting zone, certain targeted species will be planted in the appropriate target community location (Table 14). Species with high dispersal rates are not included because of local occurrence, adjacent seed sources, and the high potential for natural regeneration. The high dispersal species include red maple, tulip poplar, and sweetgum. The restoration of plant communities along the Project will provide stabilization and diversity. For rapid stabilization of the stream banks (primarily outside meanders), silky dogwood (Cornus amomum) and black willow (Salix nigra) were chosen for live stakes along the restored channel because of their rapid growth patterns and high success rates. Willows grow at a faster rate than the species planted around them, and they stabilize the stream banks. Willows will also be quicker to contribute organic matter to the channel. When the other species are bigger, the black willows will slowly stop growing or die out because the other species would outgrow them and create shade that the willows do not Little Sebastian Mitigation Plan November 2018 Project #100027 38 tolerate. The live stake species will be planted along the outside of the meander bends three feet from the top of bank, creating a three-foot section along the top of bank. The live stakes will be spaced one per linear foot with alternate spacing vertically. Table 14. Proposed Plant List Bare Root Planting Tree Species % of Total Common Target Spacing Species Unit Type Species Name Community (ft) Composition Quercus nigra Water Oak PAF/PHSF 9X6 Bare Root 15 Quercus phellos Willow Oak PHSF 9X6 Bare Root 15 Betula nigra River birch PAF 9X6 Bare Root 15 Platanus American PAF 9X6 Bare Root 10 occidentalis Sycamore Northern Red Quercus rubra PAF/PHSF 9X6 Bare Root 10 Fraxinus Green Ash PAF/PHSF 9X6 Bare Root 10 pennsylvanica Liriodendron yellow Poplar PHSF 9X6 Bare Root 10 tulipifera Diospyros Persimmon PAF/PHSF 9X6 Bare Root 5 virginiana Sambucus Elderberry PAF/PHSF 9X6 Bare Root 5 canadensis Nyssa biflora Black Gum PAF/PHSF 9X6 Bare Root 5 PAF, Piedmont Alluvial Forest; PHSF, Piedmont Headwater Stream Forest Live Staking and Live Cuttings Bundle Tree Species Species Common Name % of Total Species Composition Salix nigra Black willow 60 Cornus ammomum Silky dogwood 40 On Site Invasive Species Management Treatment for invasive species will be required within all grading limits associated with stream restoration. Invasive species will require different and multiple treatment methods, depending on plant phenology and the location of the species being treated. All treatment will be conducted as to maximize its effectiveness and reduce chances of detriment to surrounding native vegetation. Treatment methods will include mechanical (cutting with loppers, clippers, or chain saw) and chemical (foliar spray, cut stump, and hack and squirt techniques). Plants containing mature, viable seeds will be removed from the Project and properly disposed. All herbicide applicators will be supervised by a certified ground pesticide applicator with a North Carolina Department of Agriculture and Consumer Services (NCDA&CS) license and adhere to all legal and safety requirements according to herbicide labels, and NC and Federal laws. Management records will be kept on the plant species treated, type of treatment employed, type of herbicide used, application technique, and herbicide concentration and quantities used. These records will be included in all reporting documents. Little Sebastian Mitigation Plan November 2018 Project #100027 39 Soil Restoration After construction activities, the subsoil will be scarified and any compaction will be deep tilled before the topsoil is placed back over the Project. Any topsoil that is removed during construction will be stockpiled and placed over the Project during final soil preparation. This process should provide favorable soil conditions for plant growth. Rapid establishment of vegetation will provide natural stabilization for the Project. 6.4 Mitigation Summary Natural channel design techniques have been used to develop the restoration designs described in this document. The combination of the analog and analytical design methods was determined to be appropriate for this project because the watershed is rural, the causes of disturbance are known and have been abated, and there are minimal infrastructure constraints. The original design parameters were developed from the measured analog/reference reach data and applied to the subject stream. The parameters were then analyzed and adjusted through an iterative process using analytical tools and numerical simulations of fluvial processes. The designs presented in this report provide for the restoration of natural Piedmont cobble/gravel-bed channel features and stream bed diversity to improve benthic habitat. The proposed design will allow flows that exceed the design bankfull stage to spread out over the floodplain, restoring a portion of the hydrology for any existing wetlands. A large portion of the existing stream will be filled using material excavated from the restoration channel. However, many segments will be left partially filled to provide habitat diversity and flood storage. Native woody material will be installed throughout the restored reach to reduce bank stress, provide grade control, and increase habitat diversity. Forested riparian buffers of at least thirty feet on both sides of the channel will be established along the project reach. An appropriate riparian plant community, (Piedmont Alluvial Forest along MCI-A/B/C and MC3-AB/C/D; Piedmont Headwater Stream Forest along JN2-AB/C/D/E, JN3-AB, AND BS1- AB/C/D/E) will be established to include a diverse mix of species. within the project. The plant species list has been developed and can be found in Table 14. Although there is one planting zone, certain targeted species will be planted in the appropriate target community location. Replanting of native species will occur where the existing buffer is impacted during construction. Due to the nature of the project, complete avoidance of stream and wetland impacts is not possible. Proposed stream impacts, including stream relocation and culverts, will be replaced on site. Wetland impacts associated with restoration and enhancement efforts will only temporarily impact wetlands and will provide an overall increase in wetland function with the addition of native trees and shrubs along the stream banks, and restored hydrology. All stream and wetland impacts will be accounted for in the Pre -Construction Notification (PCN) form. 6.5 Determination of Credits Mitigation credits presented in Table 15 are projections based upon site design (Figure 10). Upon completion of site construction, the project components and credits data will only be revised to be consistent with the as -built condition if there is a large discrepancy. This will be done with submittal of a modification request and an approved mitigation plan addendum. This will be approved by the USACE. Overall, the restoration approach at the reach scale of this Project will have the greatest effect on the hydraulic and geomorphology function of the system, but will benefit the upper-level functions (physiochemical and biology) over time. Furthermore, by establishing buffers wider than the minimum 30 -feet, there is a direct relation to the higher functionality of the system. The wider riparian buffers Little Sebastian Mitigation Plan November 2018 Project #100027 40 will further benefit the hydrologic, hydraulic, geomorphic, physiochemical, and biological processes of this system; where the physiochemical and biological processes will be affected over time. Thus, the Wilmington District Stream Buffer Credit Calculator from the USACE in January 2018 was utilized to determine the functional uplift credit adjustment presented in Table 15. To calculate functional uplift credit adjustments, the Wilmington District Stream Buffer Credit Calculator from the USACE in January 2018 was utilized. To perform this calculation, GIS analysis was performed to determine the area (in square feet) of ideal buffer zones and actual buffer zones around all streams within the project. Minimum standard buffer widths are measured from the top of bank (50 feet in Piedmont and Coastal Plain counties or 30 feet in mountain counties). The ideal buffers are the maximum potential size (in square feet) of each buffer zone measured around all creditable stream reaches, calculated using GIS, including areas outside of the easement. The actual buffer is the square feet in each buffer zone, as measured by GIS, excluding non -forested areas, all other credit type (e.g., wetland, nutrient offset, buffer), easement exceptions, open water, areas failing to meet the vegetation performance standard, etc. Additional credit is given to 150 feet in buffer width, so areas within the easement that are more than 150 feet from creditable streams were not included in this measurement. Non -creditable stream reaches within the easement are removed prior to calculating this area with GIS (for both ideal and actual). The stream lengths, mitigation type, ideal buffer, and actual buffer are all entered into the calculator. This is data is processed, and the resulting credit amounts are totaled for the whole project (Table 15, Figure 11). Little Sebastian Mitigation Plan November 2018 Project #100027 41 Table 15. Little Sebastian Site (ID -100027) - Mitigation Components Project Component (reach ID) Wetland Position and Hydro Type Existing Footage Stationing Mitigation Plan Footage As- Built Footage Restoration Level Approach Priority Level Mitigation Ratio (X:1) Mitigation Credits Notes/Comments JN2-A 418 0+20 to 4+38 4+38 to 6+25 6+25 to 9+32 9+63 to 18+00 18+00 to 18+43 19+05 to 20+58 0+0 to 3+50 3+50 to 11+31 11+74 to 14+36 0+0 to 4+69 4+99 to 12+16 12+57 to 15+17 15+17 to 20+72 40+42 to 42+85 42+85 to 46+87 47+28 to 49+42 49+42 to 53+37 1+05 to 3+19 3+19 to 4+94 4+94 to 10+35 10+35 to 12+12 12+12 to 14+86 15+31 to 16+25 418 TBD Preservation 10.0:1 1.5:1 2.5:1 2.5:1 1.5:1 1.5:1 7.5:1 1.0:1 1.0:1 7.5:1 5.0:1 5.0:1 1.0:1 10.0:1 2.5:1 1.5:1 5.0:1 1.0:1 2.5:1 1.0:1 2.5:1 1.0:1 1.0:1 41.8 Livestock exclusion JN2-B 187 187 TBD Enhancement I 124.7 Buffer planting and livestock exclusion JN2-C 307 307 TBD Enhancement H 418 122.8 Buffer planting and livestock exclusion. One 31 -foot crossing is present on this reach, from 9+32 to 9+63. 837 837 TBD Enhancement H 334.8 Buffer planting and livestock exclusion JN2-D 39 43 TBD Enhancement I 28.7 Channel relocation, bed and bank stabilization, crossing relocation, buffer plantings, and livestock exclusion. One 62 -foot crossing occurs from 18+43 to 19+05. 150 153 TBD Enhancement I 102.0 Channel relocation, bed and bank stabilization, buffer plantings, and livestock exclusion. JN3-A 350 350 TBD Enhancement H 46.7 Buffer planting and livestock exclusion JN3-B 900 781 TBD Restoration 781.0 Channel reconstruction in the natural valley, improved stream structures, buffer planting, and livestock exclusion. One 43 -foot crossing is occurs from 11+31 to 11+74. 224 262 TBD Restoration 262.0 Channel reconstruction in the natural valley, improved stream structures, buffer planting, and livestock exclusion. MCI -A 469 469 TBD Enhancement H 62.5 Buffer planting and livestock exclusion MCI -B 717 717 TBD Enhancement H 143.4 Buffer planting and livestock exclusion. One 41 -foot easement break occurs at 12+16 to 12+57 for an existing utility line. 260 260 TBD Enhancement H 52.0 Buffer planting and livestock exclusion MCI -C 545 555 TBD Restoration 555.0 Channel bed will be raised, improve in stream structures, buffer planting, and livestock exclusion MC3-A 243 243 TBD Enhancement H 24.3 Buffer planting and livestock exclusion MC3-B 402 402 TBD Enhancement H 160.8 Buffer planting and livestock exclusion. One 41 -foot crossing occurs from 46+87 to 47+28. MC3-C 214 214 TBD Enhancement I 142.7 Bank stabilization, improved in stream structures, buffer planting, and livestock exclusion MC3-D 395 395 TBD Enhancement H 79.0 Buffer planting and livestock exclusion BSI -A 205 214 TBD Restoration 214.0 Channel bed will be raised, improve in stream structures, buffer planting, and livestock exclusion BSI -B 190 175 TBD Enhancement H 70.0 Buffer planting and livestock exclusion BSI -C 580 541 TBD Restoration 541.0 Channel bed will be raised, improve in stream structures, buffer planting, and livestock exclusion BSI -D 185 177 TBD Enhancement H 70.8 Buffer planting and livestock exclusion BSI -E 278 274 TBD Restoration 274.0 Channel bed will be raised, improve in stream structures, buffer planting, and livestock exclusion. One 45 -foot crossing occurs from 14+86 to 15+31. 94 94 TBD Restoration 94.0 Channel bed will be raised, improve in stream structures, buffer planting, and livestock exclusion No Wetland Mitigation Length and Area Summations by Mitigation Category Overall Assets Summary Restoration Level Stream (linear feet) Riparian Wetland (acres Non -riparian Wetland acres Buffer Loss SMU -278.7 Rivcrme Non-Riverine Total SMUs Restoration 2,721 Enhancement Enhancement I 597 Enhancement II 4,332 Creation Preservation 418 High Quality Pres Asset Category Overall Credits Stream RP Wetland NR Wetland 4,327.9 NA NA Buffer Loss SMU -278.7 Buffer Gain SMU 505.1 Total SMUs 4,554.3 Little Sebastian Mitigation Plan November 2018 Project #100027 42 7 PERFORMANCE STANDARDS The success criteria for the Project will follow the 2016 USACE Wilmington District Stream and Wetland Compensatory Mitigation Update and subsequent agency guidance. Specific success criteria components are presented below. 7.1 Stream Restoration Success Criteria Bankfull Events Four bankf ill flow events must be documented within the seven-year monitoring period. The bankfull events must occur in separate years. Otherwise, the stream monitoring will continue until four bankfull events have been documented in separate years. Crest gauges will be installed on JN3-B, MCI -C, BS1- C, and BS1-E. Cross Sections There should be little change in as -built cross sections. If changes do take place, they should be evaluated to determine if they represent a movement toward a less stable condition (for example down - cutting or erosion), or are minor changes that represent an increase in stability (for example settling, vegetative changes, deposition along the banks, or decrease in width/depth ratio). Cross sections shall be classified using the Rosgen stream classification method, and all monitored cross sections should fall within the quantitative parameters defined for channels of the design stream type. For C/E channels, bank height ratio shall not exceed 1.2, and the entrenchment ratio shall be no less than 2.2 within restored reaches. For B channels, bank height ratio shall not exceed 1.2, and the entrenchment ratio shall be no less than 1.4 within restored reaches. Channel stability should be demonstrated through a minimum of four bankfull events documented in the seven-year monitoring period. Digital Image Stations Digital images will be used to subjectively evaluate channel aggradation or degradation, bank erosion, success of riparian vegetation, and effectiveness of erosion control measures. Longitudinal images should not indicate the absence of developing bars within the channel or an excessive increase in channel depth. Lateral images should not indicate excessive erosion or continuing degradation of the banks over time. A series of images over time should indicate successional maturation of riparian vegetation. Surface Flow Stream restoration reaches will be monitored to document intermittent or seasonal surface flow. This will be accomplished through direct observation and the use of hydraulic pressure transducers with data loggers. Reaches must demonstrate a minimum of 30 consecutive days of flow. Flow gauges will be installed on JN2-A and BS1-A. The flow gauge on BSI -A will also be capable of monitoring bankfull events. 7.2 Vegetation Success Criteria Specific and measurable success criteria for plant density within the riparian buffers on the Project will follow IRT Guidance. The interim measures of vegetative success for the Project will be the survival of at least 320 planted three-year old trees per acre at the end of Year 3, five-year old trees at six feet in height at the end of Year 5, and the final vegetative success criteria will be 210 trees per acre with an average height of eight feet at the end of Year 7. Volunteer trees will be counted, identified to species, and included in the yearly monitoring reports, but will not be counted towards the success criteria of total planted stems. Moreover, any single species can only account for up to Little Sebastian Mitigation Plan November 2018 Project #100027 43 50% of the required number of stems within any vegetation plot. Any stems in excess of 50% will be shown in the monitoring table, but will not be used to demonstrate success. Little Sebastian Mitigation Plan Project #100027 44 November 2018 8 MONITORING PLAN Annual monitoring data will be reported using the DMS Monitoring Report Template dated June 2017 and NC IRT monitoring template. The monitoring report shall provide a project data chronology that will facilitate an understanding of project status and trends, research purposes, and assist in decision making regarding project close-out. Monitoring reports will be prepared annually and submitted to DMS. Monitoring of the Project will adhere to metrics and performance standards established by the USACE's April 2003 Wilmington District Stream Mitigation Guidelines and the NC IRT's October 2016 Wilmington District Stream and Wetland Compensatory Mitigation Update. Table 16 outlines the links between project goals, objectives, and treatments and their associated monitoring metrics and performance standards within the context of functional uplift based on the Stream Functions Pyramid Framework. 8.1 As -Built Survey An as -built survey will be conducted following construction to document channel size, condition, and location. The survey will include a complete profile of thalweg, water surface, bankfull, and top of bank to compare with future geomorphic data. Longitudinal profiles will not be required in annual monitoring reports unless requested by USACE. Stream channel stationing will be marked with stakes placed near the top of bank every 200 feet. 8.2 Visual Monitoring Visual monitoring of all mitigation areas will be conducted a minimum of twice per monitoring year by qualified individuals. The visual assessments will include vegetation density, vigor, invasive species, and easement encroachments. Visual assessments of stream stability will include a complete streamwalk and structure inspection. Digital images will be taken at fixed representative locations to record each monitoring event, as well as any noted problem areas or areas of concern. Results of visual monitoring will be presented in a plan view exhibit with a brief description of problem areas and digital images. Photographs will be used to subjectively evaluate channel aggradation or degradation, bank erosion, success of riparian vegetation, and effectiveness of erosion control measures. Longitudinal photos should indicate the absence of developing bars within the channel or an excessive increase in channel depth. Lateral photos should not indicate excessive erosion or continuing degradation of the banks over time. A series of photos over time should indicate successional maturation of riparian vegetation. Routine site visits will be used to determine if beaver management is needed. If beaver activity poses a threat to project stability or vegetative success, RES will trap beavers and remove impoundments as needed. All beaver management activities will be documented and included in annual monitoring reports. 8.3 Hydrology Events Crest gauges will be installed to document the occurrence of bankfull events. A minimum of one gauge will be installed on each tributary that is greater than 1,000 feet in length, with one gauge required for every 5,000 feet of length on each tributary and a maximum of five gauges per tributary. Reaches with Priority 1 Restoration (designed to reconnect the stream to its floodplain), gauges will be capable of tracking the frequency and duration of overbank events. Where restoration or enhancement activities are proposed for intermittent streams, monitoring gauges should be installed to track the frequency and duration of stream flow events. Little Sebastian Mitigation Plan November 2018 Project #100027 45 8.4 Cross Sections Permanent cross sections will be installed at a minimum of one per 20 bankfull widths with half in pools and half in riffle on all Restoration and Enhancement I reaches. All cross section measurements will include bank height ratio and entrenchment ratio. Cross sections will be monitored in Years 1, 2, 3, 5, and 7. There should be little change in as -built cross sections. If changes do take place, they should be evaluated to determine if they represent movement toward a less stable condition (for example down - cutting or erosion), or are minor changes that represent an increase in stability (for example settling, vegetative changes, deposition along the banks, or decrease in width/depth ratio). 8.5 Vegetation Monitoring Vegetation plot monitoring follows the CVS-EEP Level 2 Protocol for Recording Vegetation, version 4.2 (Lee et al. 2008) and includes analysis of species composition and density of planted species. Data will be processed using the CVS data entry tool. In the field, the four corners of each plot will be permanently marked with PVC at the origin and metal conduit at the other corners. Photos of each plot are to be taken from the origin each monitoring year. Vegetation monitoring plots will be a minimum of 0.02 acres in size, and cover a minimum of two percent of the planted area. There will be nine plots within the planted area (10.7 acres). Plots will be a mixture of fixed and random plots, with six fixed plots and three random plots. Planted area indicates all area in the easement that will be planted with trees. Existing wooded areas are not included in the planted area. The following data will be recorded for all trees in the fixed plots: species, height, planting date (or volunteer), and grid location. For random plots, species and height will be recorded for all woody stems. The location (GPS coordinates and orientation) of the random plots will be identified in the annual monitoring reports. Vegetation will be planted and plots established at least 180 days prior to the initiation of the first year of monitoring. Monitoring will occur in Years 1, 2, 3, 5, and 7 between July 1 st and leaf drop. Invasive and noxious species will be monitored so that none become dominant or alter the desired community structure of the Project. If necessary, RES will develop a species-specific treatment plan. 8.6 Scheduling/Reporting A baseline monitoring report and as -built drawings documenting stream restoration activities will be developed within 60 days of the planting completion on the Project. The report will include all information required by DMS mitigation plan guidelines, including elevations, photographs and sampling plot locations, gauge locations, and a description of initial species composition by community type. The report will also include a list of the species planted and the associated densities. Baseline vegetation monitoring will include species, height, date of planting, and grid location of each stem. The baseline report will follow DMS As -Built Baseline Monitoring Report Template June 2017, USACE guidelines, and the October 2017 Mitigation Credit Calculation Memo. The monitoring program will be implemented to document system development and progress toward achieving the success criteria. The restored stream morphology will be assessed to determine the success of the mitigation. The monitoring program will be undertaken for seven years or until the final success criteria are achieved, whichever is longer. Monitoring reports will be prepared in the fall of each year of monitoring and submitted to DMS. The monitoring reports will include all information, and be in the format required by USACE. Little Sebastian Mitigation Plan November 2018 Project #100027 46 Table 16. Monitoring Requirements Level Goal Treatment Outcome Monitoring Metric Performance Standard Convert land -use of Project reaches from NA NA To transport pasture to riparian Improve the 0',3 water from the forest transport of water Visually monitor 1 i watershed to Install one from the watershed 't3 a, the channel in a agricultural runoff �' to the Project integrity of runoff Identify and document instability x non-erosive attenuation structure reaches in a non- attenuation structure: and/or flaws to the structure manner to regulate upstream erosive way Performed semiannually runoff coming into (indirect measurement) the reach(BS 1-A _ Reduce bank height Improve flood Crest gauges and/or g g Four bankfull events occurring in To transport ratios and increase bank connectivity pressure transducers: separate ears to At least 30 days continuous flow entrenchment ratios by reducing bank Inspected semiannually each year 2 c water in a stable non- by reconstructing height ratios and Entrenchment ratio shall be no less than a erosive manner channels to mimic increase Cross sections: Surveyed 1.4 within restored reaches reference reach entrenchment in conditions ratios Years 1, 2, 3, 5 and 7 Bank height ratio shall not exceed 1.2 As -built stream profile NA Reduce erosion Cross sections: Surveyed Entrenchment ratio shall be no Establish a riparian rates and channel less than 1.4 within restored To create a buffer to reduce erosion and sediment stability to reference reach in Years 1, 2, 3, 5 and 7 reaches for B channels and no less than diverse 2.2 for C/E channels bedform transport into project conditions Bank height ratio shall not exceed 3 a streams. Establish Improve bedform Visual monitoring 1.2 o To achieve stable banks with diversity (pool Identify and document significant Q dynamic livestakes, erosion spacing, percent Visual monitoring: stream problem areas; i.e. V equilibrium control matting, and riffles, etc. Performed at least erosion, degradation, other in stream semiannually structures Increase buffer a adation, etc. Vegetation plots: MY 1-3: 320 trees/acre width to 30 feet Surveyed in MY 5: 260 trees/acre (6 ft. tall) Years 1, 2, 3, 5 and 7 MY 7: 210 trees/acre 8 ft. tall To achieve Improve stream p Vegetation plots: MY 1-3: 320 trees/acre appropriate levels for water temperature Surveyed in Years 1 2, 5 and 7 MY 5: 260 trees/acre (6 ft. tall) o temperature, re lation through � rou gh (indirect measurement) s MY 7: 210 trees/acre 8 ft. tall ( ) — dissolved introduction of oxygen Exclude livestock canopy from riparian areas 4 � nt concentration, with exclusion fence, Decrease nutrient Visual assessment of ti and other and plant a riparian loadin through g g established fencin and g Inspect fencing and signage. important buffer filtration of planted conservation signage: Identify and document any a nutrients riparian buffer, and Performed at least damaged or missing fencing including but removing livestock semiannually and/or signs not limited to from the riparian (indirect measurement) Nitrogen and areas Phosphorus To achieve Improve aquatic functionality in habitat through the * levels 1-4 to Plant a riparian p installation of Visual monitoring of in- Identify and document significant support the life buffer, install habitat habitat features, stream habitat features: stream problem areas; i.e. 5 o histories of features, and construction of Performed at least degradation, aggradation, Qz aquatic and construct pools of pools at varying semiannually stressed or failed structures, etc. riparian plants varying depths depths, and (indirect measurement) and animals planting the riparian buffer ° These categories are measured indirectly; *These categories are not quantifiably measured Little Sebastian Mitigation Plan November 2018 Project #100027 47 9 ADAPTIVE MANAGEMENT PLAN In the event the mitigation site or a specific component of the mitigation site fails to achieve the necessary performance standards as specified in the mitigation plan, the sponsor shall notify the members of the IRT and work with the IRT to develop contingency plans and remedial actions. Little Sebastian Mitigation Plan November 2018 Project #100027 48 10 LONG-TERM MANAGEMENT PLAN The site will be transferred to the NCDEQ Stewardship Program (or 3rd party if approved). This party shall serve as conservation easement holder and long-term steward for the property and will conduct periodic inspection of the site to ensure that restrictions required in the conservation easement are upheld. Funding will be supplied by the responsible party on a yearly basis until such time an endowment is established. The NCDEQ Stewardship Program is developing an endowment system within the nonreverting, interest-bearing Conservation Lands Conservation Fund Account The use of funds from the Endowment Account will be governed by North Carolina General Statute GS 113A - 232(d)(3). Interest gained by the endowment fund may be used for the purpose of stewardship, monitoring, stewardship administration, and land transaction costs, if applicable. The Stewardship Program will periodically install signage as needed to identify boundary markings as needed. Any livestock or associated fencing or permanent crossings will be the responsibility the owner of the underlying fee to maintain. Little Sebastian Mitigation Plan November 2018 Project #100027 49 11 REFERENCES Chow, Ven Te. 1959. Open -Channel Hydraulics, McGraw-Hill, New York. Cowardin, L.M., V. Carter, F.C. Golet and E.T. LaRoe. 1979. Classification of Wetlands and Deepwater Habitats of the United States. U.S. Fish and Wildlife Service, Office of Biological Services, FWS/OBS-79/31. U.S. Department of the Interior, Washington, DC. Dalrymple, T. 1960. Flood Frequency Analyses. U.S. Geological Survey Water Supply Paper 1543- A. Doll, B.A., D.E. Wise -Frederick, C.M. Buckner, S.D. Wilkerson, W.A. Harman, R.E. Smith and J. Spooner. 2002. Hydraulic Geometry Relationships for Urban Streams throughout the Piedmont of North Carolina. Journal of the American water Resource Association. 38(3):641- 651. Environmental Laboratory. 1987. U.S. Army Corps of Engineers Wetlands Delineation Manual, Technical Report Y-87-1. U.S. Army Engineer Waterways Experiment Station, Vicksburg, Mississippi. Fischenich, C. 2001. "Stability thresholds for stream restoration materials." ERDC Technical Note No. EMRRP-SR-29, U.S. Army Engineer Research and Development Center, Vicksburg, Miss. Fischenich, J.C., 2006. Functional Objectives for Stream Restoration, EMRRP Technical Notes Collection (ERDC TN-EMRRP-SR-52), US Army Engineer Research and Development Center, Vicksburg, Mississippi. (available online at http://el.erdc.usace.gMy.mil/elpubs/Tdf�/sr52.pdf) Harman, W.H. et al. 1999. Bankfull Hydraulic Geometry Relationships for North Carolina Streams. AWRA Wildland Hydrology Symposium Proceedings. Edited By: D.S. Olsen and J.P. Potyondy. AWRA Summer Symposium. Bozeman, MT. Harman, W., R. Starr, M. Carter, K. Tweedy, M. Clemmons, K. Suggs, C. Miller. 2012. A Function - Based Framework for Stream Assessment and Restoration Projects. US Environmental Protection Agency, Office of Wetlands, Oceans, and Watersheds, Washington, DC EPA 843- K-12-006. Johnson PA. 2006. Assessing stream channel stability at bridges in physiographic regions. U.S. Department of Transportation. Federal Highway Administration. Report Number FHWA- HRT-05-072. Lee, M.T., R.K. Peet, S.D. Roberts, and T.R. Wentworth. 2008. CVS-EEP Protocol for Recording Vegetation. Version 4.2. http://cvs.bio.unc.edu/methods.htm; accessed November 2008. LeGrand, H.E., Jr. and S.P. Hall, eds. 1999. Natural Heritage Program List of the Rare Animal Species of North Carolina. North Carolina Natural Heritage Program, Division of Parks and Recreation, North Carolina Department of Environment and Natural Resources. Raleigh, North Carolina. Little Sebastian Mitigation Plan November 2018 Project #100027 50 Lotspeich, R.R., 2009, Regional curves of bankfull channel geometry for non -urban streams in the Piedmont Physiographic Province, Virginia: U.S. Geological Survey Scientific Investigations Report 2009-5206, 51 p. North Carolina Geological Survey, 1985, Geologic map of North Carolina: North Carolina Geological Survey, General Geologic Map, scale 1:500000. NCDENR 2012a. "Water Quality Stream Classifications for Streams in North Carolina." Water Quality http://portal.ncdenr.org/web/wq/home. (February 2012). NCDENR 2012b. "2012 North Carolina 303(d) Lists -Category 5." Water Quality Section. http://portal.ncdenr.org/web/wq/home. (August 2012). NCDWQ (North Carolina Division of Water Quality). 2011. A Guide to Surface Freshwater Classifications in North Carolina. Raleigh. http://portal.ncdenr.org/c/document libL4M/ get _file?p_1_id=1169848&folderld=2209568&name=DLFE-35732.pdf; accessed October 2017. North Carolina Ecosystem Enhancement Program (NCEEP). "Upper Yadkin Pee -Dee River Basin Restoration Priorities 2009.". Radford, A.E., H.E. Ahles and F.R. Bell. 1968. Manual of the Vascular Flora of the Carolinas. The University of North Carolina Press, Chapel Hill, North Carolina. Rosgen, D. (1996), Applied River Morphology, 2nd edition, Wildland Hydrology, Pagosa Springs, CO Schafale, M.P. and A.S. Weakley. 2012. Guide to the Natural Communities of North Carolina, Fourth Approximation. North Carolina Natural Heritage Program, Division of Parks and Recreation, NCDENR, Raleigh, NC. US Army Corps of Engineers (USAGE), 2002. Regulatory Guidance Letter. RGL No. 02-2, December 24, 2002. USACE. 2003. April 2003 NC Stream Mitigation Guidelines. USACE. 2010. Regional Supplement to the Corps of Engineers Wetland Delineation Manual: Atlantic and Gulf Coastal Plain Region (Version 2.0), ed. J. S. Wakeley, R. W. Lichvar, and C. V. Noble. ERDC/EL TR -10-20. Vicksburg, MS: U.S. Army Engineer Research and Development Center. USACE. 2016. Wilmington District Stream and Wetland Compensatory Mitigation Update. USACE. 2018. Wilmington District Stream Buffer Credit Calculator. United States Department of Agriculture Natural Resources Conservation Service (USDA NRCS). 1986. Urban Hydrology for Small Watersheds. Technical Release 55. USDA NRCS.. 2007. Stream Restoration Design Handbook (NEH 654), USDA USDA NRCS. 2007. Soil Survey of Surry County, North Carolina. Little Sebastian Mitigation Plan November 2018 Project #100027 51 USDA NRCS. Web Soil Survey; http://websoilsurvey.nres.usda.gov (October 2017). USDA NRCS. 2010. Field Indicators of Hydric Soils in the United States, Version 7.0. L.M. Vasilas, G.W. Hurt, and C.V. Noble (eds.). USDA, NRCS, in cooperation with the National Technical Committee for Hydric Soils. United States Environmental Protection Agency (USEPA). 1999. EPA Manual. Quantifying Physical Habitat in Wadeable Streams. United States Fish and Wildlife Service. "Threatened and Endangered Species in North Carolina." North Carolina Ecological Services. http://www.fws.gov/raleigh/. (September 2014). Weaver, J.C., Feaster, T.D., and Gotvald, A.J., 2009, Magnitude and frequency of rural foods in the Southeastern United States, through 2006—Volume 2, North Carolina: U.S. Geological Survey Scientifc Investigations Report 2009-5158, 111 p. Little Sebastian Mitigation Plan November 2018 Project #100027 52 Figures List Figure 1— Vicinity Map Figure 2 — USGS Map Figure 3 — Landowner Map Figure 4 — Land -use Map Figure 5 — Existing Conditions Map Figure 6 — National Wetlands Inventory Map Figure 7 — Soils Map Figure 8 — Historical Conditions Map Figure 9 — FEMA Map Figure 10 —Concept Design Map Figure 11— Buffer Width Map Little Sebastian Mitigation Site z v w Ea N son Ra ��Id Wim Gideon Mitigation Site Little Sebastian Mitigation Site 9� o+a Legend 1 Proposed Easement Proposed Gideon Site �ta�c Service Area -03040101 i : Oyotion [t❑ TLW -03040101080020 a Figure 1 - Vicinity Map Date: 10/30/2018 W�E res Little Sebastian Mitigation Site Drawn by: MDE ® Checked by: ATP 0 500 1,000 Surry County, North Carolina x Feet {�� - _ r O � � ,� �i I ' tom• _'�� �� - Ci a� „r ' li J N 3 t 1 999 acIk JN2 '„ ;� r,�� a BS1 29 ac 01 20 { 1320^_, i #+l a MC11 A � $o A 2921 ac- _ a� 1111 MC3 u 3261 ac Legend -' - CS Proposed Easement n ,61 Drainage Area Figure 2 - USGS Map Date: 10/30/2015 Bottom (1973) s e Drawn by: MDE P Little Sebastian Mitigation Site Checked by: ATP res 0 1,000 2,000 j Feet Surry County, North Carolina WoE WfC2 WoE WoD B WfC2 WoD DeF WfC2 WoD WoD WoE WoE WoD WoD WfC2 WoD WfB2 WoD WoE WO� WfC2 WfC2 WoD ArA WfB2 WoE BdC WoD CsA . WoE WoE WfC2 �rA �� WfB2 WfC2 WfC2' \ WoD WoD DeF ArA WoD DeF Legend WoD WoE Proposed Easement WoD Proposed Gideon Site WoE WfC2 Hydric (100%) WoD Predominantly Hydric (66-99%) Map Unit Symbol Map Unit Name C Partially Hydric (33-65%) ArA Arkaqua loam, 0-2% slopes WJPredominantly Nonhydric (1-32%) CsA Cohrard and Suches soils, 0-3% slopes WoD Woolwine-Fairview-Westfield complex, 15-25% slopes Nonhydric (0%) WoE Woolwine-Fairview-Westfield complex, 25-45% slopes w Figure 7 - Soils Map Date: 10/30/2018 Drawn by: MDE Little Sebastian Mitigation Site res 0 300 600 Checked by: CSC Surry County, North Carolina Feet M". jt( ores 11w. 4i We- Le-gend Proposed Easement Proposed Gideon Site zk, o FEMA Zone AE Figure 9 - FEMA Map Date: 10/30/2018 N wE Panel: 4946 Map No: 3710494600J Effective Date: Aug.18.2009 Drawn by: MDE Little Sebastian Mitigation Site Checked by: CSC 0 300 600 Feet Surry County, North Carolina jt( ores Ideal Buffers Buffer Zones less than 15 feet >15 to 20 feet Max Possible Buffer (square feet) 242,040 80,680 Ideal Buffer (square feet) 250,231 84,673 Actual Buffer (square feet) 238,423 78,130 Zone Multiplier 50% 20% Buffer Credit Equivalent 2,164 866 Percent of Ideal Buffer 95% 92% Credit Adjustment -102 -67 Total Baseline Credit Credit Loss in Required Buffer 4,327.9 -278.7 Actual Buffers Buffer Width Zone (feet from Ordinary High Water Mark) >20 to 25 feet >25 to 30 feet >30 to 50 feet 80,680 80,680 322,720 84,020 83,735 331,798 77,249 76,333 264,770 15% 15% 9% 649 649 390 92% 91% 80% -52 -57 311 Credit Gain for Additional Buffer >50 to 75 feet >75 to 100 feet 403,400 403,400 408,983 409,951 182,722 71,360 7% 6% 303 260 45% 17% 135 45 Net Change in Credit from Buffers 226.4 >100 to 125 feet 403,400 411,939 22,069 5% 216 5% 12 K >125 to 150 feet 403,400 415,259 6,841 3% 130 2% 2 Total Credit 4,554.3 fires N W E .S 0 350 700 Feet Figure 11 - Buffer Width Zones Little Sebastian Mitigation Site Surry County, North Carolina Index Sheet Date: 10/30/2018 Drawn by: MDE Checked by: CSC 1 in= 700 feet Legend Proposed Easement Gideon Mitigation Bank Map Index r�1by.'yJ1i�I11�? �1���1tJ�� Buffer Zones Max Possible Buffer (square feet) Ideal Buffer (square feet) Actual Buffer (sauare feet) Zone Multiplier Buffer Credit Equivalent Percent of Ideal Buffer Credit Adjustment Total Baseline Credit 4,327.9 Ideal Buffers t less than 15 feet >15 to 20 feet 242,040 80,680 250,231 84,673 238,423 78,130 50% 20% 2,164 866 95% 92% -102 -67 Credit Loss in Required Buffer -278.7 92% Buffer Width Zone (feet from Ordinary High Water Mark) >20 to 25 feet >25 to 30 feet >30 to 50 feet 80,680 80,680 322,720 84,020 83,735 331,798 77,249 76,333 264,770 15% 15% 9% 649 649 390 92% 91% 80% -52 1 -57 311 Credit Gain for Additional Buffer 505.1 Actual Buffers >50 to 75 feet >75 to 100 feet 403,400 403,400 408,983 409,951 182,722 71,360 7% 6% 303 260 45% 17% 135 45 Net Change in Credit from Buffers 31-50 feet 226.4 >100 to 125 feet 403,400 411,939 22,069 5% 216 5% 12 >125 to 150 feet 403,400 415,259 6,841 3% 130 2% 2 Total Credit 4,554.3 fires N W E S 0 50 100 Feet Figure 11 - Buffer Width Zones Little Sebastian Mitigation Site Surry County, North Carolina Sheet A Date: 10/30/2018 Drawn by: MDE Checked by: CSC 1 in = 100 feet NV^ ■M0N ■moi• ♦fit Legend - Proposed Easement Gideon Mitigation Bank Buffer Width Zone - 0-15 feet - 16-20 feet - 21-25 feet - 26-30 feet 31-50 feet NV^ ■M0N ■moi• ♦fit 51-75 feet - 76-100 feet 101-125 feet - 126-150 feet NV^ ■M0N ■moi• ♦fit Buffer Zones Max Possible Buffer (square feet) Ideal Buffer (square feet) Actual Buffer (sauare feet) Zone Multiplier Buffer Credit Equivalent Percent of Ideal Buffer Credit Adjustment Total Baseline Credit 4,327.9 Ideal Buffers 1 less than 15 feet >15 to 20 feet 242,040 80,680 250,231 84,673 238,423 78,130 50% 20% 2,164 866 95% 92% -102 -67 Credit Loss in Required Buffer -278.7 92% Buffer Width Zone (feet from Ordinary High Water Mark) >20 to 25 feet >25 to 30 feet >30 to 50 feet 80,680 80,680 322,720 84,020 83,735 331,798 77,249 76,333 264,770 15% 15% 9% 649 649 390 92% 91% 80% -52 1 -57 311 Credit Gain for Additional Buffer 505.1 Actual Buffers >50 to 75 feet >75 to 100 feet 403,400 403,400 408,983 409,951 182,722 71,360 7% 6% 303 260 45% 17% 135 45 Net Change in Credit from Buffers 31-50 feet 226.4 >100 to 125 feet 403,400 411,939 22,069 5% 216 5% 12 >125 to 150 feet 403,400 415,259 6,841 3% 130 2% 2 Total Credit 4,554.3 fires N W E S 0 50 100 Feet Figure 11 - Buffer Width Zones Little Sebastian Mitigation Site Surry County, North Carolina Sheet B Date: 10/30/2018 Drawn by: MDE Checked by: CSC 1 in = 100 feet %^ ■�■■ ■ moi• ♦fit Legend - Proposed Easement Gideon Mitigation Bank Buffer Width Zone - 0-15 feet - 16-20 feet - 21-25 feet - 26-30 feet 31-50 feet %^ ■�■■ ■ moi• ♦fit 51-75 feet - 76-100 feet 101-125 feet - 126-150 feet %^ ■�■■ ■ moi• ♦fit Ideal Buffers Actual Buffers res N W E S ti aQ v tJO 0 50 100 Feet Figure 11 - Buffer Width Zones Little Sebastian Mitigation Site Surry County, North Carolina Sheet C IIIIIIIIIIIIII� Date: 10/30/2018 Drawn by: MDE II oi����uooumu Checked by: CSC 1 in = 100 feet VIII VIII Legend �0 �rll lil���lli u Proposed Easement �. It. Gideon Mitigation Bank Buffer Width Zone - 0-15 feet - 16-20 feet - 21-25 feet - 26-30 feet 31-50 feet 51-75 feet - 76-100 feet - 101-125 feet Buffer Width Zone (feet from Ordinary High Water Mark) Buffer Zones less than 15 feet >15 to 20 feet >20 to 25 feet >25 to 30 feet >30 to 50 feet >50 to 75 feet >75 to 100 feet >100 to 125 feet >125 to 150 feet - 126-150 feet Max Possible Buffer (square feet) 242,040 80,680 80,680 80,680 322,720 403,400 403,400 403,400 403,400 Ideal Buffer (square feet) 250,231 84,673 84,020 83,735 331,798 408,983 409,951 411,939 415,259 Actual Buffer (square feet) 238,423 78,130 77,249 76,333 264,770 182,722 71,360 22,069 6,841 Zone Multiplier 50% 20% 15% 15% 9% 7% 6% 5% 3% Buffer Credit Equivalent 2,164 866 649 649 390 303 260 216 130 Percent of Ideal Buffer 95% 92% 92% 91% 80% 45% 17% 5% 2% Credit Adjustment -102 -67 -52 -57 311 135 45 12 2 Total Baseline Credit Credit Loss in Required Buffer Credit Gain for Additional Buffer Net Change in Credit from Buffers Total Credit 4,327.9 -278.7 505.1 226.4 4,554.3 Ideal Buffers Actual Buffers res N W E S 0 50 100 Feet ?' V ?' O O Figure 11 - Buffer Width Zones Little Sebastian Mitigation Site Surry County, IIII III North Carolina M�' a Sheet D II IIjljllllllll+lllll�llllii�lll Date: 10/30/2018 Drawn by: MDE Checked by: CSC 1 in = 100 feet Legend Proposed Easement /le_ \IIIIIIIIIIIIII Gideon Mitigation Bank Buffer Width Zone - 0-15 feet - 16-20 feet - 21-25 feet - 26-30 feet 31-50 feet 51-75 feet - 76-100 feet - 101-125 feet Buffer Width Zone (feet from Ordinary High Water Mark) Buffer Zones less than 15 feet >15 to 20 feet >20 to 25 feet >25 to 30 feet >30 to 50 feet >50 to 75 feet >75 to 100 feet >100 to 125 feet >125 to 150 feet - 126-150 feet Max Possible Buffer (square feet) 242,040 80,680 80,680 80,680 322,720 403,400 403,400 403,400 403,400 Ideal Buffer (square feet) 250,231 84,673 84,020 83,735 331,798 408,983 409,951 411,939 415,259 Actual Buffer (square feet) 238,423 78,130 77,249 76,333 264,770 182,722 71,360 22,069 6,841 Zone Multiplier 50% 20% 15% 15% 9% 7% 6% 5% 3% Buffer Credit Equivalent 2,164 866 649 649 390 303 260 216 130 Percent of Ideal Buffer 95% 92% 92% 91% 80% 45% 17% 5% 2% Credit Adjustment -102 -67 -52 -57 311 135 45 12 2 Total Baseline Credit Credit Loss in Required Buffer Credit Gain for Additional Buffer Net Change in Credit from Buffers Total Credit 4,327.9 -278.7 505.1 226.4 4,554.3 Ideal Buffers Actual Buffers ores N W E S 0 50 100 Feet Figure 11 - Buffer Width Zones w Little Sebastian Mitigation Site Surry County, North Carolina Sheet E Date: 10/30/2018 Drawn by: MDE Checked by: CSC 1 in = 100 feet Legend F Proposed Easement Gideon Mitigation Bank Buffer Width Zone - 0-15 feet - 16-20 feet - 21-25 feet - 26-30 feet 31-50 feet Z 51-75 feet w w - 76-100 feet Buffer Width Zone (feet from - 101-125 feet Ordinary High Water Mark) Buffer Zones less than 15 feet >15 to 20 feet >20 to 25 feet >25 to 30 feet >30 to 50 feet >50 to 75 feet >75 to 100 feet >100 to 125 feet >125 to 150 feet - 126-150 feet Max Possible Buffer (square feet) 242,040 80,680 80,680 80,680 322,720 403,400 403,400 403,400 403,400 Ideal Buffer (square feet) 250,231 84,673 84,020 83,735 331,798 408,983 409,951 411,939 415,259 Actual Buffer (square feet) 238,423 78,130 77,249 76,333 264,770 182,722 71,360 22,069 6,841 Zone Multiplier 50% 20% 15% 15% 9% 7% 6% 5% 3% Buffer Credit Equivalent 2,164 866 649 649 390 303 260 216 130 Percent of Ideal Buffer 95% 92% 92% 91% 80% 45% 17% 5% 2% Credit Adjustment -102 -67 -52 -57 311 135 45 12 2 Total Baseline Credit Credit Loss in Required Buffer Credit Gain for Additional Buffer Net Change in Credit from Buffers Total Credit 4,327.9 -278.7 505.1 226.4 4,554.3 ual Buffers ores N W E S 0 50 100 Feet Figure 11 - Buffer Width Zones Little Sebastian Mitigation Site Surry County, North Carolina Sheet F m m Date: 10/30/2018 Drawn by: MDE M Z M Z Checked by: CSC 1 in = 100 feet Legend Proposed Easement Gideon Mitigation Bank Buffer Width Zone - 0-15 feet - 16-20 feet - 21-25 feet - 26-30 feet 31-50 feet 51-75 feet - 76-100 feet - 101-125 feet Buffer Width Zone (feet from Ordinary High Water Mark) Buffer Zones less than 15 feet >15 to 20 feet >20 to 25 feet >25 to 30 feet >30 to 50 feet >50 to 75 feet >75 to 100 feet >100 to 125 feet >125 to 150 feet - 126-150 feet Max Possible Buffer (square feet) 242,040 80,680 80,680 80,680 322,720 403,400 403,400 403,400 403,400 Ideal Buffer (square feet) 250,231 84,673 84,020 83,735 331,798 408,983 409,951 411,939 415,259 Actual Buffer (square feet) 238,423 78,130 77,249 76,333 264,770 182,722 71,360 22,069 6,841 Zone Multiplier 50% 20% 15% 15% 9% 7% 6% 5% 3% Buffer Credit Equivalent 2,164 866 649 649 390 303 260 216 130 Percent of Ideal Buffer 95% 92% 92% 91% 80% 45% 17% 5% 2% Credit Adjustment -102 -67 -52 -57 311 135 45 12 2 Total Baseline Credit Credit Loss in Required Buffer Credit Gain for Additional Buffer Net Change in Credit from Buffers Total Credit 4,327.9 -278.7 505.1 226.4 4,554.3 Ideal Buffers Actual Buffers ores N W E S 0 50 100 Feet Figure 11 - Buffer Width Zones Little Sebastian Mitigation Site Surry County, North Carolina Sheet G Date: 10/30/2018 Drawn by: MDE Checked by: CSC 1 in = 100 feet Legend No Credit loss in the Minimum Buffer Zone Gideon and Little Sebastian Easement Proposed Easement are contiguous in this location Gideon Mitigation Bank Buffer Width Zone - 0-15 feet - 16-20 feet - 21-25 feet - 26-30 feet 31-50 feet 51-75 feet - 76-100 feet - 101-125 feet Buffer Width Zone (feet from Ordinary High Water Mark) Buffer Zones less than 15 feet >15 to 20 feet >20 to 25 feet >25 to 30 feet >30 to 50 feet >50 to 75 feet >75 to 100 feet >100 to 125 feet >125 to 150 feet - 126-150 feet Max Possible Buffer (square feet) 242,040 80,680 80,680 80,680 322,720 403,400 403,400 403,400 403,400 Ideal Buffer (square feet) 250,231 84,673 84,020 83,735 331,798 408,983 409,951 411,939 415,259 Actual Buffer (square feet) 238,423 78,130 77,249 76,333 264,770 182,722 71,360 22,069 6,841 Zone Multiplier 50% 20% 15% 15% 9% 7% 6% 5% 3% Buffer Credit Equivalent 2,164 866 649 649 390 303 260 216 130 Percent of Ideal Buffer 95% 92% 92% 91% 80% 45% 17% 5% 2% Credit Adjustment -102 -67 -52 -57 311 135 45 12 2 Total Baseline Credit Credit Loss in Required Buffer Credit Gain for Additional Buffer Net Change in Credit from Buffers Total Credit 4,327.9 -278.7 505.1 226.4 4,554.3 Ideal Buffers Actual Buffers ores N W E S 0 50 100 Feet Figure 11 - Buffer Width Zones Little Sebastian Mitigation Site Surry County, North Carolina Sheet H IL M C 3-A i r, M�s,e MC 3-A MC3 Date: 10/30/2018 Drawn by: MDE Checked by: CSC 1 in = 100 feet MG3.G MG3.0 Legend MC37B MC :B Proposed Easement Gideon Mitigation Bank Buffer Width Zone - 0-15 feet - 16-20 feet - 21-25 feet - 26-30 feet 31-50 feet 51-75 feet - 76-100 feet - 101-125 feet Buffer Width Zone (feet from Ordinary High Water Mark) Buffer Zones less than 15 feet >15 to 20 feet >20 to 25 feet >25 to 30 feet >30 to 50 feet >50 to 75 feet >75 to 100 feet >100 to 125 feet >125 to 150 feet - 126-150 feet Max Possible Buffer (square feet) 242,040 80,680 80,680 80,680 322,720 403,400 403,400 403,400 403,400 Ideal Buffer (square feet) 250,231 84,673 84,020 83,735 331,798 408,983 409,951 411,939 415,259 Actual Buffer (square feet) 238,423 78,130 77,249 76,333 264,770 182,722 71,360 22,069 6,841 Zone Multiplier 50% 20% 15% 15% 9% 7% 6% 5% 3% Buffer Credit Equivalent 2,164 866 649 649 390 303 260 216 130 Percent of Ideal Buffer 95% 92% 92% 91% 80% 45% 17% 5% 2% Credit Adjustment -102 -67 -52 -57 311 135 45 12 2 Total Baseline Credit Credit Loss in Required Buffer Credit Gain for Additional Buffer Net Change in Credit from Buffers Total Credit 4,327.9 -278.7 505.1 226.4 4,554.3 Ideal Buffers Actual Buffers ores N W E S 0 50 100 Feet Figure 11 - Buffer Width Zones Q CO Little Sebastian Mitigation Site Surry County, North Carolina Sheet I Date: 10/30/2018 Drawn by: MDE Checked by: CSC 1 in = 100 feet Legend Proposed Easement Gideon Mitigation Bank Buffer Width Zone - 0-15 feet - 16-20 feet - 21-25 feet - 26-30 feet 31-50 feet 51-75 feet i - 76-100 feet Buffer Width Zone (feet from Ordinary High Water Mark) - 101-125 feet Buffer Zones less than 15 feet >15 to 20 feet >20 to 25 feet >25 to 30 feet >30 to 50 feet >50 to 75 feet >75 to 100 feet >100 to 125 feet >125 to 150 feet - 126-150 feet Max Possible Buffer (square feet) 242,040 80,680 80,680 80,680 322,720 403,400 403,400 403,400 403,400 Ideal Buffer (square feet) 250,231 84,673 84,020 83,735 331,798 408,983 409,951 411,939 415,259 Actual Buffer (square feet) 238,423 78,130 77,249 76,333 264,770 182,722 71,360 22,069 6,841 Zone Multiplier 50% 20% 15% 15% 9% 7% 6% 5% 3% Buffer Credit Equivalent 2,164 866 649 649 390 303 260 216 130 Percent of Ideal Buffer 95% 92% 92% 91% 80% 45% 17% 5% 2% Credit Adjustment -102 -67 -52 -57 311 135 45 12 2 Total Baseline Credit Credit Loss in Required Buffer Credit Gain for Additional Buffer Net Change in Credit from Buffers Total Credit 4,327.9 -278.7 505.1 226.4 4,554.3 U Idea Buffe coActu I Buffers m ores N W E S 0 50 100 Feet Figure 11 - Buffer Width Zones Little Sebastian Mitigation Site b Surry County, North Carolina Sheet J Date: 10/30/2018 Drawn by: MDE Checked by: CSC 1 in = 100 feet Legend Proposed Easement Gideon Mitigation Bank w r Buffer Width Zone m - 0-15 feet - 16-20 feet - 21-25 feet - 26-30 feet B SAF 31-50 feet 51-75 feet - 76-100 feet - 101-125 feet Buffer Width Zone (feet from Ordinary High Water Mark) Buffer Zones less than 15 feet >15 to 20 feet >20 to 25 feet >25 to 30 feet >30 to 50 feet >50 to 75 feet >75 to 100 feet >100 to 125 feet >125 to 150 feet - 126-150 feet Max Possible Buffer (square feet) 242,040 80,680 80,680 80,680 322,720 403,400 403,400 403,400 403,400 Ideal Buffer (square feet) 250,231 84,673 84,020 83,735 331,798 408,983 409,951 411,939 415,259 Actual Buffer (square feet) 238,423 78,130 77,249 76,333 264,770 182,722 71,360 22,069 6,841 Zone Multiplier 50% 20% 15% 15% 9% 7% 6% 5% 3% Buffer Credit Equivalent 2,164 866 649 649 390 303 260 216 130 Percent of Ideal Buffer 95% 92% 92% 91% 80% 45% 17% 5% 2% Credit Adjustment -102 -67 -52 -57 311 135 45 12 2 Total Baseline Credit Credit Loss in Required Buffer Credit Gain for Additional Buffer Net Change in Credit from Buffers Total Credit 4,327.9 -278.7 505.1 226.4 45554.3 Appendix A -Plan Sheets PROJECT LOCATION AS o Fi# Zephyr -P A .w LITTLE SEBASTIAN STREAM MITIGATION SITE Sr�r. "R -v -L� 4 °�°� SURRY COUNTY, NORTH CAROLINA 0 © 2017 HERE © 2017 Microsoft CorporationE� y'r P DMS PROJECT #: CONTRACT #: U5ACE ACTION ID #: RFP #: VICINITY MAP NTS 100027 7187 5AW-201 7-01507 1 6-006993 YAD KI N RIVER BASIN: H U C 03040101080020 OCTOBER 2018 RESOURCE ENVIRONMENTAL SOLUTIONS, LLC 302 JEFFERSON ST, SUITE 110 RALEIGH, NC 27605 BEACH JN3 '::')ITF NAAP lkq�� REACH fVIk-„j Sheet L15t Table Sheet Number Sheet Tale - COVER E I GENERAL NOTES * LEGEND E2 EX15TING CONDITIONS 51 r . BEACH JN2 53 F� 54 BEACH JN2 } PROJECT LOCATION AS o Fi# Zephyr -P A .w LITTLE SEBASTIAN STREAM MITIGATION SITE Sr�r. "R -v -L� 4 °�°� SURRY COUNTY, NORTH CAROLINA 0 © 2017 HERE © 2017 Microsoft CorporationE� y'r P DMS PROJECT #: CONTRACT #: U5ACE ACTION ID #: RFP #: VICINITY MAP NTS 100027 7187 5AW-201 7-01507 1 6-006993 YAD KI N RIVER BASIN: H U C 03040101080020 OCTOBER 2018 RESOURCE ENVIRONMENTAL SOLUTIONS, LLC 302 JEFFERSON ST, SUITE 110 RALEIGH, NC 27605 BEACH JN3 '::')ITF NAAP lkq�� REACH fVIk-„j Sheet L15t Table Sheet Number Sheet Tale - COVER E I GENERAL NOTES * LEGEND E2 EX15TING CONDITIONS 51 BEACH JN2 52 BEACH JN2 53 BEACH JN2 54 BEACH JN2 55 REACH JN3 5G BEACH JN3 57 BEACH JN3 58 REACH 55 1 59 BEACH B5 1 5 1 0 BEACH B5 1 51 1 REACH M C 1 5 1 2 REACH MC 1 513 BEACH MC3 fl I=ENC1 NG PLAN PI PLANTING PLAN P2 ER05ION CONTROL NOTES M I MONITORING PLAN D I D ETA I L5 D2 D ETA I L5 D3 D ETA I L5 D4 DETAI L5 D5 D ETA I L5 DG D ETA I L5 D7 DETAI L5 1pres' 302 Jefferson Street, Suite 110 Raleigh, NC 27605 Main: 919.829.9909 Fax: 919.829.9913 www.res.us SEAL FULL SCALE: 1"=300 0 300 600 2" = FULL SCALE 1 " = HALF SCALE I\ w Q 00 o N � 0 M J IL p z 0 I— z 0 z 0 O LL a o w 0 LL w Q Q z o z 0 (n U) , LU J W cr � D_ PROJECT NUMBER: 0335 PROJECT MANAGER: CSC DESIGNED: AFM DRAWN: TRS CHECKED: DPI SHEET NUMBER: CONSTRUCTION NOTES: I . INSTALL EROSION CONTROL MEASURES AS DESCRIBED IN THE EROSION CONTROL PLAN AND NOTES. EROSION CONTROL MEASURES MAY BE PHASED -IN TO THOSE AREAS OF THE PROJECT CURRENTLY BEING WORKED ON. THE CONTRACTOR MAY MODIFY OR RELOCATE EROSION CONTROL MEASURES TO MAKE ADJUSTMENTS FOR UNFORESEEN FIELD CONDITIONS SO LONG AS PROPER CONSTRUCTION IS MAINTAINED TO ENSURE THE INTEGRITY AND USEFULNESS OF THE PROPOSED MEASURES. ALL DISTURBED AREAS ALONG CHANNEL BANKS SHALL BE STABILIZED WITH TEMPORARY SEED AND MULCH AT THE END OF EACH DAY. 2. IN GENERAL, STREAM CONSTRUCTION SHALL PROCEED FROM AN UPSTREAM TO DOWNSTREAM DIRECTION. 3. EXISTING WETLANDS CANNOT BE ENCROACHED UPON UNDER ANY CIRCUMSTANCES IF NOT APPROVED AS DESIGNATED IMPACT AREAS. HIGH VISIBILITY FENCING MUST BE PLACED AROUND ALL EXISTING WETLANDS THAT ARE LOCATED ADJACENT TO CONSTRUCTION ACTIVITIES AND/OR ARE LOCATED WITHIN THE PROPOSED CONSERVATION EASEMENT. 4. DURING STREAM CONSTRUCTION ACTIVITIES, THE WORK AREA SHALL BE STABILIZED AT THE END OF EACH WORKING DAY. 5. UNLESS NOTED OTHERWISE, FILL MATERIAL GENERATED FROM CHANNEL EXCAVATION AND STABILIZATION SHALL BE PLACED INSIDE THE EXISTING CHANNEL TO BE ABANDONED AT AN ELEVATION THAT PROVIDES POSITIVE DRAINAGE TOWARDS THE PROPOSED CHANNEL. G. STOCKPILE AREAS MAY BE RELOCATED UPON THE APPROVAL OF THE ENGINEER. SILT FENCING MUST BE INSTALLED AROUND ALL STOCKPILE AREAS. 7. CONTRACTOR SHALL NOT COMPACT SOIL AROUND ROOTS OR TREES TO REMAIN, AND SHALL NOT DAMAGE SUCH TREES IN ANY WAY. EXCAVATED OR OTHER MATERIAL SHALL NOT BE PLACED, PILED OR STORED WITHIN THE CRITICAL ROOT ZONE AREA OF THE TREES TO BE SAVED. ANY COMPROMISED TREES NOT USED IN CONSTRUCTION ARE TO BE REMOVED AND DISPOSED OF OFF SITE. 8. REMOVE AND STOCKPILE GRAVEUCOBBLE SUBSTRATE LOCATED WITHIN EXISTING CHANNELS TO BE ABANDONED. THIS MATERIAL SHALL BE INSTALLED ON THE PROPOSED BED OF SHALLOW CHANNEL SECTIONS. 9. IN -STREAM STRUCTURES PROPOSED ALONG THE OUTSIDE OF MEANDER BENDS (BRUSH TOES, LOG VANES, AND LOG TOES) MAY BE USED INTERCHANGEABLY THROUGHOUT THE PROJECT PER APPROVAL FROM DESIGNER. 10. THE WORK TO RESHAPE THE CHANNEL BANKS WILL BE PERFORMED USING EQUIPMENT WORKING FROM THE TOP OF THE EXISTING STREAM BANK, WHERE POSSIBLE. 1 1. CONSTRUCTION EQUIPMENT WILL NOT BE PLACED WITHIN THE ACTIVE CHANNEL TO PERFORM WORK IF POSSIBLE. PLATFORMS SHOULD BE USED TO CROSS CHANNEL WHERE ACCESS IS NOT POSSIBLE. 12. NO MORE CHANNEL SHALL BE DISTURBED THAN CAN BE STABILIZED BY THE END OF THE WORK DAY OR PRIOR TO RESTORING FLOW TO NEWLY CONSTRUCTED CHANNEL SEGMENTS. 13. CONTRACTOR SHALL REMOVE ALL TEMPORARY CONTROL DEVICES ONCE CONSTRUCTION IS COMPLETE AND THE SITE IS STABILIZED. A MAXIMUM OF 200 LINEAR FEET OF STREAM MAY BE DISTURBED AT ANY ONE TIME. 14. ALL EXCAVATED MATERIAL MUST BE PLACED WITHIN DESIGNATED STOCKPILE AREAS. 15. AT LOCATIONS IN WHICH THE EXISTING CHANNEL IS BEING MAINTAINED, TEMPORARY PUMP AROUND DAMS AND BYPASS PUMPING WILL BE USED TO DE -WATER THE WORK AREA AS DESCRIBED IN THE DETAILS. I G. WHEN THE PROPOSED CHANNEL HAS BEEN SUFFICIENTLY STABILIZED TO PREVENT EROSION, ALL TEMPORARY PUMP AROUND DAMS WILL BE REMOVED FROM THE ACTIVE STREAM CHANNEL AND NORMAL FLOW RESTORED. ACCUMULATED SEDIMENT SHALL BE DISPOSED OF IN DESIGNATED SPOILS AREAS PRIOR TO REMOVAL OF TEMPORARY PUMP AROUND DAM. 17. AT LOCATIONS IN WHICH ROCK STRUCTURES, BOULDER TOE STABILIZATION, AND LOG TOE STABILIZATION ARE CALLED FOR ON THE PLANS, TEMPORARY COFFER DAMS AND BYPASS PUMPING WILL BE USED TO DE -WATER THE WORK AREA, EXCEPT AT LOCATIONS IN WHICH THE NORMAL FLOW CAN BE DIVERTED AROUND THE WORK AREA WITH THE USE OF AN EXISTING CHANNEL. WHEN THE TOE HAS BEEN SUFFICIENTLY STABILIZED TO RESTRAIN EROSION ALL TEMPORARY COFFER DAMS WILL BE REMOVED FROM THE ACTIVE STREAM CHANNEL AND NORMAL FLOW RESTORED. ACCUMULATED SEDIMENT SHALL BE DISPOSED OF IN DESIGNATED SPOILS AREA PRIOR TO REMOVAL OF TEMPORARY COFFER DAM. 18. MATERIAL THAT IS REMOVED FROM THE STREAM WILL BE RE -DEPOSITED OUTSIDE OF THE ACTIVE CHANNEL AND ITS FLOODPLAIN. 19. TEMPORARY AND PERMANENT STABILIZATION OF ALL DISTURBED GRASSED AREAS AT THE TOP OF THE CHANNEL BANKS WILL BE IN ACCORDANCE WITH THE SEEDING AND MULCHING SPECIFICATION AS SHOWN ON PLANS. 20. RE -FERTILIZE AND RE -SEED DISTURBED AREAS IF NECESSARY. 2 1 . TEMPORARY AND/OR PERMANENT IMPACTS TO EXISTING WETLANDS SHALL BE AVOIDED TO THE EXTENT POSSIBLE. HIGH VISIBILITY FENCING SHALL BE INSTALLED AROUND ALL EXISTING WETLANDS LOCATED WITHIN THE PROJECT AREA AND/OR ADJACENT TO ANY CONSTRUCTION ACTIVITIES. STREAM CONSTRUCTION SEQUENCE: I . CONDUCT PRE -CONSTRUCTION MEETING INCLUDING OWNER, ENGINEER, ASSOCIATED CONTRACTORS, NCDEQ EROSION CONTROL PERSONNEL, AND OTHER AFFECTED PARTIES. CONTACT NCDEQ EROSION CONTROL PERSONNEL AT 91 9-79 1-4200. 2. OBTAIN EROSION CONTROL PERMIT FROM NCDENR - LAND QUALITY SECTION AND ALL OTHER APPROVALS NECESSARY TO BEGIN AND COMPLETE THE PROJECT. 3. CONTRACTOR IS FULLY RESPONSIBLE FOR CONTACTING ALL APPROPRIATE PARTIES AND ASSURING THAT UTILITIES ARE LOCATED PRIOR TO THE COMMENCEMENT OF CONSTRUCTION. CALL NC ONE -CALL (PREVIOUSLY ULOCO) AT 1-800-G32-4949 FOR UTILITY LOCATING SERVICES 48 HOURS PRIOR TO COMMENCEMENT OF ANY WORK. CONTRACTOR SHALL VERIFY LOCATION AND DEPTH OF ALL EXISTING UTILITIES PRIOR TO CONSTRUCTION. 4. PRIOR TO CONSTRUCTION, STABILIZED GRAVEL ENTRANCE/EXIT AND ROUTES OF INGRESS AND EGRESS SHALL BE ESTABLISHED AS SHOWN ON THE PLANS AND DETAILS. MAINTAIN EXISTING DRIVEWAY OVERTOPPING ELEVATION / PROFILE. 5. PREPARE STAGING AND STOCKPILING AREAS IN LOCATIONS AS SHOWN ON THE CONSTRUCTION PLANS OR AS APPROVED BY THE ENGINEER. ANY EXCESS SPOIL FROM STREAM CONSTRUCTION SHALL BE USED TO CONSTRUCT CHANNEL PLUGS AS SHOWN ON PLANS. G. INSTALL PUMP AROUND APPARATUS AND IMPERVIOUS DIKES AT UPSTREAM END OF PROJECT. AS CONSTRUCTION PROGRESSES, MOVE PUMP AROUND OPERATION DOWNSTREAM. (SEE DETAILS ON SHEET D 1) 7. INSTALL SILT FENCE, TEMPORARY CROSSINGS AND ALL OTHER EROSION CONTROL MEASURES AS SHOWN ON PLANS. 8. CONSTRUCT UPSTREAM PORTION OF THE CHANNEL FIRST, WORKING IN AN UPSTREAM TO DOWNSTREAM DIRECTION. 9. ROUGH GRADING OF CHANNEL SHALL BE PERFORMED PRIOR TO INSTALLATION OF STRUCTURES. 10. INSTALL STRUCTURES AS SHOWN ON PLANS AND DETAILS. PRIOR TO FINE GRADING, OBTAIN APPROVAL OF THE ENGINEER ON INSTALLATION OF STRUCTURES. 1 1. UPON COMPLETION OF FINE GRADING, INSTALL EROSION CONTROL MATTING OR SOD MATS ALONG CHANNEL BANKS. 12. FILL AND STABILIZE ABANDONED SEGMENTS OF THE EXISTING CHANNEL PER DIRECTION OF THE ENGINEER. 13. ALL IMPERVIOUS DIKES AND PUMPING APPARATUS SHALL BE REMOVED FROM THE STREAM AT THE END OF EACH DAY TO RESTORE NORMAL FLOW BACK TO THE CHANNEL. 14. DURING STREAM CONSTRUCTION ACTIVITIES, THE WORK AREA ShALL BE STABILIZED AT THE END OF EACH WORKING DAY. 15. INSTALL LIVE STAKE, BARE ROOT, AND CONTAINERIZED PLANTINGS AS SPECIFIED ON PLANTING PLANS. wo- m -am EXISTING CONTOUR MAJOR 50 EXISTING CONTOUR MINOR 4C PROPOSED CONTOUR MAJOR 50 PROPOSED CONTOUR MINOR 42 EXISTING WETLAND Fax: 919.829.9913 EXISTING STREAM EXISTING TOP OF BANK----TB-----TB- EXISTING BOTTOM OF BANK ---- �e----- BB EXISTING OVERHEAD ELECTRIC UTILITY LINE -one one PROPERTY LINE PROPOSED CENTERLINE OF CHANNEL - - EXISTING FENCELINE -x-x EXISTING TREELINE PROPOSED TOP OF BANK ---------------- LIMITS OF PROPOSED CONSERVATION EASEMENT LCE PROPOSED CHANNEL PLUG (SEE DETAIL DWG D2) PROPOSED FILL AREA EXISTING TREE 0 BRUSH TOE PROTECTION (SEE DETAIL D3) LOG SILL (SEE DETAIL D4) LOG CROSS VANE (SEE DETAIL D7) DOUBLE LOG DROP _ (SEE DETAIL D4) ROCK CROSS VANE (SEE DETAIL D5) ROCK A -VANE (SEE DETAIL D7) RIFFLE GRADE CONTROL (SEE DETAIL DG) ANGLED LOG STEP POOL (SEE DETAIL DG) DRY DETENTION BASIN (SEE DETAIL D2) LOG SILL (PROFILE) LOG CROSS VANE 0 (PROFILE) 00 DOUBLE LOG DROP (PROFILE) ROCK CROSS VANE/A-VANE (PROFILE) 1pres' 302 Jefferson Street, Suite 110 Raleigh, NC 27605 Main: 919.829.9909 Fax: 919.829.9913 www.res.us SEAL SCALE: AS SHOWN w Q co o C) � N O 00 J IL Z O U H z O z O o LL 0 rc O � Z LU OQ LU LL Q ZD z O (n LU U) W J w Y Q w w cr cr D_ W - I- U) U Q z Z 0 J z < Q W U w = J 06 W W O � z Q D Q p LU U) Q U w LU m ii.i Z Q W W z U) U ~ W LU D z � LL J PROJECT NUMBER: 0335 PROJECT MANAGER: CSC DESIGNED: AFM DRAWN: TRS CHECKED: DPI SHEET NUMBER: E1 c cz cu 0 resi 302 Jefferson Street, Suite 110 Raleigh, INC 27605 Main: 919.829.9909 Fax: 919.829.9913 www.res.us SEAL 0 FULL SCALE: 1 "=150 0 150 300 2" = FULL SCALE 1" = HALF SCALE 6i co p o N � O O co J CL p C) z _O I- U z O z O o LL a it O z U w O LL Qw Q z z o 0OU) w J Y(n Cc:> Q W —JW W cr m Q_ w U Z z O J < cn CD Q Z U O o Q O w O z � U � ~ Z z Z O Q U X m w w LLJJ z V) ~ w 0 W z m �_ _ w LL J p PROJECT NUMBER: 0335 PROJECT MANAGER: CSC DESIGNED: AFM DRAWN: TRS CHECKED: BRC SHEET NUMBER: E2 LCE INTERMITTENT/ EPHEMERAL BREAK LCE LCE LCE REACH JN2-A PRESERVATION STA 0+20 TO 4+38 LCE LCE REACH JN2-5 ENHANCEMENT I STA 4+38 TO 6+25 LCE LCE 53500 1-----8�2+pp �s � _TB__ 81 00 TB - B -� -- (o0 ^^X .0 �v VJ LCE 6x5 cj o � � \ S36 VA ;1p 0 resi 302 Jefferson Street, Suite 110 Raleigh, INC 27605 Main: 919.829.9909 Fax: 919.829.9913 www.res.us SEAL 0 FULL SCALE: 1"=30 030 60 2 — FULL SCALE 1" = HALF SCALE w Q 00 o N � O (y) J— CL O Z _O I— U Z O z O o LL F- 0- cr O � Z LU i OQ 0-1 LU LL ZC) Z O (n Lu U) w LU Y cr Q > W -JW W cr m Q_ w U Z Z O J O P Q U � � T- N � � Z < O Z = U Q LLI Q Z O U) m LLJJ � Z V) ~ w 0 W z m �_ _ w LL J 0 PROJECT NUMBER: 0335 PROJECT MANAGER: CSC DESIGNED: AFM DRAWN: TRS CHECKED: BRC SHEET NUMBER: S 1 cz N z �I 2 U) I O O r CD0 s Q U c U) a� J U z U m 2 CL U) (D U) LU ui 5 Q z 0 res, 302 Jefferson Street, Suite 110 Raleigh, INC 27605 Main: 919.829.9909 Fax: 919.829.9913 www.res.us SEAL 0 FULL SCALE: 1 "= 30 0 30 60 2" = FULL SCALE 1" = HALF SCALE w C) N O LO J C Z _O I— U Z O z O o LL cr O � Z LU i OQ 0-1 LU LL ZC) Z OU) (n Lu w LU Y cr Q > W -JW W cr m Q_ w U Z Z O J O F Q U � � N � � Z w O Z = C/) Q Z Q Z) F O (n m U w >- w w z w UJ Z w (n Q O~ � J 0 PROJECT NUMBER: 0335 PROJECT MANAGER: CSC DESIGNED: AFM DRAWN: TRS CHECKED: BRC SHEET NUMBER: S2 E LCE Z CV W �z J 11+50 _ _ �1+00 —�� —/� — TB � \ REACH JN2-C ENHANCEMENT II STA 9+63 TO 18+00 LCE LCE \ / L - - -c \ LCE 15+0p. /fix -\ \ CE — _ _ L 17+ 0 81 12k5p \iii vA\\ �� o�at 133 I- C) CO U � �Q 19' 55 C) / S5 I 6 �j TB/ J 0 k? fr7l � / 0 resi 302 Jefferson Street, Suite 110 Raleigh, INC 27605 Main: 919.829.9909 Fax: 919.829.9913 www.res.us SEAL FULL SCALE: 1"=30 030 60 2 — FULL SCALE 1" = HALF SCALE W Q 00 C) o N H O J— CL O z O U Z O z O o LL F- 0- cr O � Z LU i OQ 0-1 LU LL ZC) Z O (n Lu U) w LU Y cr Q > W -JW W cr m Q_ w U Z Z O J O P Q U � � T- N � � Z < O Z = U Q LLI Q Z O U) m LLJJ � Z V) ~ w 0 W z m �_ _ w LL J 0 PROJECT NUMBER: 0335 PROJECT MANAGER: CSC DESIGNED: AFM DRAWN: TRS CHECKED: BRC SHEET NUMBER: S3 \\--- rem \� I 1170 1150 I iw i v✓ L - v C --T 1-1 OF 36" RCP oGn A \ /G G\/I (=TIKI/` Gn0r-'� \ N r) �lljl/l lj� -0 t REACH MC I SCALE: HOR 1''=30'; VERT I''=6' m i• 1170 1150 IN 0 resi 302 Jefferson Street, Suite 110 Raleigh, INC 27605 Main: 919.829.9909 Fax: 919.829.9913 www.res.us SEAL 0 FULL SCALE: 1"=30 030 60 2 — FULL SCALE 1" = HALF SCALE Li Q 00 p o N � O (y) J— CL O z 0 z 0 z O O LL F- 0- cr O � Z LU i 00-1 LU LLQ p Z Z O (n Lu U) w LU Y cr Q > W -JW W cr m Q_ W U Q Z Z O J O P Q U � � N Z w O Z = U Q LLI Q Z O U) m LLJJ � Z V) ~ w 0 Lu z m �_ _ w LL J p PROJECT NUMBER: 0335 PROJECT MANAGER: CSC DESIGNED: AFM DRAWN: TRS CHECKED: BRC SHEET NUMBER: S4 a� cz If C7 z U) o' CD 0 D 0 Q U c cC c� U) J i U z U m 2 CL U) U) LU LU a z _ �% 5. V. 1 1 58.90' REACH J N 3 STA 3+50 TO STA 14+3G I G.01 wxx -- 2.9' 5. I' X BANKFULL STAGE REACH JN3-A �/ // �/% =a�-- / Cy --- _ ENHANCEMENT II / �� / 3+5 STA 0+00 TO 3+50-/ \ 8( rL � � � TYPICAL SHALLOW CROSS SECTION 07TZ� \� V ���� / / / / �✓ — — — o REACH JN3-5 Q LcE 5 I G.o ' 7.RESTORATION X STA 3+50 TO 1 1 +3 1 CO BAN KFULLSTAGE 2+00 x —.gy 91 — — 1/ al — _ _ J. — — — EXISTING POWER POLE S4 �+ �I TO BE REMOVED OY ` oo / _ s rL - A SURRY YADKIN EMC _ / / TYPICAL RIGHT MEANDER CR055 SECTION 937 S 3 \ 5.5' 7.5' OHE _OC HE BANKFULL STAGEOHF —HE DHE OHE OHE E-7HE H OHE \93 7 TYPICAL LEFT MEANDER CROSS SECTION / PROPO5ED POWER POLE TO 5E INSTALLED BY 5URRY-YADKIN EMC \ O \ _ _ POWER LINE TO BE RELOCATED ONE / BY 5URRY-YADKIN EMC \ \ / O 1175 I 1175 i 1170 - - 1170 51 52 53 EXISTING GRADE ALONG 1 , STREAM CENTERLINE 1165 — — ` � � \ PROPOSED 1165 TOP OF BANK \ II� I I GO GO — - - - PROPOSED CHANNEL BED SLOPE 1155 - — - 1155 0+00 0+50 1+00 1+50 2+00 2+50 3+00 3+50 4+00 4+50 5+00 5+50 G+00 SCALE: HOP, 1 "=30'; VERT 1 "=3' Ores' 302 Jefferson Street, Suite 110 Raleigh, INC 27605 Main: 919.829.9909 Fax: 919.829.9913 www.res.us SEAL FULL SCALE: 1"=30 0 30 60 2" = FULL SCALE 1" = HALF SCALE W 00 C) o N H O J EL — o z O z O z O o LL Fr O z LU o 0-1 LU Q z o z �OU) (n W J LU Y cr Q > W _j W cr m D_ w I- U) Q z_ z O J �O � Q U � = M Z w O z �/'� V) `z / Q LLI Q Z Z) F O U) m LLJ J Z U) ~ w 0 Lu z m �_ Ir LL J 0 PROJECT NUMBER: 0335 PROJECT MANAGER: CSC DESIGNED: AFM DRAWN: TRS CHECKED: BRC SHEET NUMBER: S5 cz ce) z U) o' 0 rl- CD D 0 Q U c a� U) J U z U m 2 CL U) U) L LU Q z i \ bb \ e V, REACH J N 3 STA 3+50 TO STA 14+3G --------- 2.9' 5. 1' _ FROF05ED 24 LF ��� \ �f \ � BANKFULL STAGE � — el OF DBL 48" RCP O m N LCE � �,� o/ / o - LCff ,� LCE LCE r — al \ ' _ SII TYPICAL SHALLOW CR055 SECTION Z 510 40 7 Z 50 el / (v / 7.5' 5.5' EX15T1 NG POWER POLE a� — QL- — / / BANKFULL STAGE TO BE REMOVED BY\m 12-00 / 55 �k 5URRY-YADKI N EMC a� o 52 oe/YX& 53rL 8+50 S7 +50 — �� �y TYPICAL RIGHT MEANDER CR055 SECTION -OH OHE � \ 9�s0 OHE- I REACH JN3-B �, (� _ �yi I G.0' _ RE5TORATION o �J 5.5' 7.5' STA 3+50 TO 1 1 +3 1 BANKFULL STAGE 1 POWER LINE TO BE - RELOCATED BY �z4U �I I ~ --------- — 5 U RRY-YAD KI N EMC \ I CL -� -------- TYPICAL LEFT MEANDER CR055 SECTION OH OHE — _HE OHE A �PROPOSED POWER POLE / A OHE OHE — TO BE INSTALLED BY T 5URRY-YADKIN EMC OHE OHE OHE / \ 1 170 I I I I I I I �I I I 1 170 I I I G5 =I I� 1165 55 54 +I CONSERVATION I+ EASEMENT — BREAK �Q 56 � I; 57 I i EXI5TING GRADE ALONG 5(5 STREAM CENTERLINE I 59 1 I GO ---- ------ -----_ - I I I GO — — — PROP05ED ------ __ TOP OF BANK -1.10% -1.100 1155 ------- I 1155 ------------- -1.10(370 -------------1.10(370 I v � FKOF05ED C11ANNEL 1 150— BED SLOPE-- —------------- 1 150 - - PROP 24 LF OF DBL 48" RCP I I I I G+00 G+50 7+00 7+50 8+00 8+50 9+00 9+50 10+00 10+50 11+00 11+50 12+00 SCALE: HOR 1 "=30'; VERT 1 "=3' 0 resi 302 Jefferson Street, Suite 110 Raleigh, INC 27605 Main: 919.829.9909 Fax: 919.829.9913 www.res.us SEAL FULL SCALE: 1"=30 0 30 60 2" = FULL SCALE 1" = HALF SCALE W Q 00 p o N Ocy) J CL - O Z O z O z O o LL F- 0- O L) L i OQ 0-1 L LL p Z Z O Q LU Q w W cr m Q_ Q z z O J �O Q U �z = co Z w O z = U) Q QLLI Z 1121� O U) m LLJJ � Z V) H w L.1. 0 W z m Ir o_ J p PROJECT NUMBER: 0335 PROJECT MANAGER: CSC DESIGNED: AFM DRAWN: TRS CHECKED: BRC SHEET NUMBER: S6 D, g D1 LCE 1145 m -e 1155 1150 1145 LCE 0 co z J Z 1 2+UU 1 2+5U 1 3+UU 1 3+5U 14+UU SCALE: HOP, 1 "=30'; VERT 1 "=3' 14+5U IAC"-' 1155 1150 MEN 13 +UU REACH MC I r- rn r— n rn r— n rn REAC h J N 3 STA 3+50 TO STA 14+3G I c- n, °L rL TYPICAL SHALLOW CR055 SECTION i r- n, rL TYPICAL RIGHT MEANDER CK055 SECTION 16.0' 5.5' 7.5' DANKFULL STAGE �t m L TYPICAL LEFT MEANDER CR055 SECTION 0 resi 302 Jefferson Street, Suite 110 Raleigh, INC 27605 Main: 919.829.9909 Fax: 919.829.9913 www.res.us SEAL FULL SCALE: 1"=30 0 30 60 2" = FULL SCALE 1" = HALF SCALE w a °° C) 0 N O o J C z O z O z O o LL F- 0- cr O z LU iz) oc o 0-1 LU Q z z �Lu o OU) (n w LU Y cr Q > W -JW W cr m Q_ w U) Z Z O J O P CD Q U � 2 co � Z w O Z = U) Q QLLI Z 1121� O U) m LUJ � z V) ~ w 0 Lu z m �_ Ir o_ J 0 PROJECT NUMBER: 0335 PROJECT MANAGER: CSC DESIGNED: AFM DRAWN: TRS CHECKED: BRC SHEET NUMBER: S7 N czF- U) U) o� 0 I- CD CD C7 D 0 Q U c cC c� a� U) a� J i U z U a� 2 CL U) 0 U) L ui a z I REACh E351 RESTORATION AREAS (TYP.) LCE REACH B5 I -B LGE 4.5' ENHANCEMENT II LCE 0.6' I.65' 5TA 3+ 19 TO 4+94 LCE BaNKFuLL sraGE LC — o — I I I TYPICAL 5HALLOW CR055 SECTION LLJ — _ REACH E351 -A RESTORATION 5.3' —5TA_1 +05 TO 3+ 19 i , _ // / / / / 0 / 3.4' 1.3' QI� /\ \ — — � � —/ / /� ✓� / 6x5 � j BAN KFULL STAGE l0+5p ' \\ �� �� - V /V- y - - - " \ g o S39 S40 — — — = 00 \ — — — o _ — _ / / V \ \ — +00 \✓ /i�+0� _ mel — \\ 3+100 T�-- \ice 0 \ 9s —- - � , , a _ � -_ _— TYPICAL RIGHT MEANDER CR055 SECTION \ PROP05ED DRY — \\ — — � \ I DETENTION BASIN �\ SEE DETAIL SHEET D2 BANKFULL STAGE (10 CL INTERMITTENT/ ��� REACH B51 -C TYPICAL LEFT MEANDER CR055 SECTION EPHEMERAL BREAK RESTORATION STA 4+94 TO 10+35 I 1210 1210 539 1200 - 40 541- 542 41542 - - - I - EXI5TING GRADE ALONG STREAM CENTERLINE — � 0 \ 1 190- I �� — 1 190 3.00% \ PROPOSED TOP OF BANK 1180 — 11(50 ^'�00% 1 170 1 170 -3.00% PROP05ED CHANNEL BED SLOPE 0+00 0+50 1+00 1+50 2+00 2+50 3+00 3+50 4+00 4+50 5+00 5+50 G+00 SCALE: HOR 1 "=30'; VERT I''=G' 0 resi 302 Jefferson Street, Suite 110 Raleigh, INC 27605 Main: 919.829.9909 Fax: 919.829.9913 www.res.us SEAL FULL SCALE: 1"=30 0 30 60 2" = FULL SCALE 1" = HALF SCALE W Q co C) o N 0 coco J CL — o z 0 U Z 0 z O o LL cr 0 � Z L 0 oC } O LL QL Q z z �Lu o 0U) (n w J LLI Y cr Q > W -J W cr m Q_ W U) Q z z O J O � Q U II.— Q O w z = � � U U) w Q z O U) LU m LLJJ � Z V) LNNr- H w L.1_ 0 W Z m �_ _ w LL J 0 PROJECT NUMBER: 0335 PROJECT MANAGER: CSC DESIGNED: AFM DRAWN: TRS CHECKED: BRC SHEET NUMBER: S8 a� N cz- m U) o' 0 I- CD 0 0 Q U c cC c� U) J i U z U m 2 CL U) 0 U) LU LU Q z REACH B51 RESTORATION AREAS (TYP.) 4.5' BANKFULL STAGE / LGE �-7�7 \ \ \ LCE LCE CE LGE ��i �/ _\\\ \ LCE LCE ° L \� \— LCE LC REACI1E35I-D CL / Y ENHANCEMENT II O TYPICAL 511ALLOW CR055 SECTION 5TA10+35T012+12/��� j Z 544 53 3.4' 1.3' BANKFULL STAGE lot 8+50 S43 / / s o s+,e TYPICAL RIGHT MEANDER CR055 SECTION 5+50/ _ au - 1.313.4 BANKFULL STAGE REACH B5 1 -C \ � / RESTORATION �— �� �� — — �— 5TA 4+94 TO 10+35 TYPICAL LEFT MEANDER CROSS SECTION 1 180 I I 1180 543 1 170- 544 1 170 EXISTING GRADE ALONG 545 PROPOSED TOP STREAM CENTERLINE 546 OF BANK IIGO — — IIGO 1 -3.0 1 150 1 150 - -3.00% PROPOSED CHANNEL - _ - - BED SLOPE 1 140- — 1 140 G+00 G+50 7+00 7+50 8+00 8+50 9+00 9+50 10+00 10+50 1 1+00 1 1+50 1 2+00 SCALE: HOR 1 "=30'; VERT I "=G' 0 resi 302 Jefferson Street, Suite 110 Raleigh, INC 27605 Main: 919.829.9909 Fax: 919.829.9913 www.res.us SEAL FULL SCALE: 1"=30 030 60 2 — FULL SCALE 1" =HALF SCALE u.i co C) o N O co J— CL O z O U Z O z O o LL cr O � Z o O 0-1 LU LL Z C) Z OU) (n w LU Y cr Q > W —JW W crm w U Q z z O J �O Q U 5� L 2 QO M� W w z = � � U U) w Q Z O U) LU m LLjJ � Z U) H w N� N 0 Lu Z J 0 PROJECT NUMBER: 0335 PROJECT MANAGER: CSC DESIGNED: AFM DRAWN: TRS CHECKED: BRC SHEET NUMBER: S9 A 545 \�rB m 546,v \\\ \ � TB 1059 — TB .• 1150 MEAN 1130 1120 I� REACH BS 1 RESTORATION AREAS (TYP . ) REACH B5 1 -E / / / \\ 1 \ I I / / // / 4.5' RE5TORATION TA 15+31 TO 16+25 5ANKFULLSTAGE TB \/ — PROP05ED 24 LF i\ \ OF 3�� RCP \ S50 I 1 I m F 16 Ar. � s� I 547 73.E Op TBm , 1 549Rj TB �vvvvvv \ vv v \ -ra- V��V 14+00 i f • REACH 135 1 -E RE5TORATI ON STA 12+ 12 TO 14+8G -zj REACH MC3 rn SCALE: HOR 1 "=30'; VERT I "=G' 1150 .N 1130 1120 I CL TYPICAL 5HALLOW CR055 SECTION 5 �' rL TYPICAL RIGHT MEANDER CR055 SECTION 5 �' L TYPICAL LEFT MEANDER CR055 SECTION 0 resi 302 Jefferson Street, Suite 110 Raleigh, INC 27605 Main: 919.829.9909 Fax: 919.829.9913 www.res.us SEAL FULL SCALE: 1"=30 0 30 60 2" = FULL SCALE 1" = HALF SCALE W a 00 p o N � Ococo J CL — O Z O Z O z O O LL F- 0- cr O � Z LU i 00-1 LU LLQ Z C) Z O U) W rC J Y(n Q > W _3W W cr cr Q_ W U Q Z Z O J O � Q U � m Q O w z = � � U U) w Q Z U) LU m LLJJ � Z V) ~ w 0 Lu z m �_ _ cc LL J 0 PROJECT NUMBER: 0335 PROJECT MANAGER: CSC DESIGNED: AFM DRAWN: TRS CHECKED: BRC SHEET NUMBER: S10 REACH MC I -A �� CONSERVATION EASEMENT BREAK ENHANCEMENT II I \ EX15TING ACCE55 ROAD TO REMAIN STA 0+00 TO 4+G9 \ \ J \ \ LCE LCE -- LCE j LCE L� E / T8 ----- ----- - m \ \ LICE ' _ -r13 r IN- \ / —81 �e 2+00 , — 4+50 _ � 81 / _ —91 --- 3+509k5p 7+00 7+50. - TB -- -- - _ --- -- REACH MC I -B ENHANCEMENT II 5TA 4+99 TO 12+ I G go / 0"E x ` CONSERVATION LCE EASEMENT BREAK L�E LCE LCE LCE _ 11+00 ak5 10+00 � LCE 9+50 / T _ B TB _ / / _ �\ 12+00 \ e \ , REACH MCI -B ENHANCEMENT II � TB STA 12+57 TO 15+ 17 LI 13+00 � ry / L�j —� r` \ 13+50o 00 hX . LCt 8 14+00 N�x6 REACH MC 1 -B ENHANCEMENT II STA 4+99 TO 12+ I G g D-1 0 resi 302 Jefferson Street, Suite 110 Raleigh, INC 27605 Main: 919.829.9909 Fax: 919.829.9913 www.res.us SEAL FULL SCALE: 1"=30 0 30 60 2" = FULL SCALE 1" = HALF SCALE 6i Q00 C) O N 0 °° J CLo � z 0 U Z 0 z O o LL F- 0- cr 0 � Z LU O 0-1 LU LL U) W Z 0 (n U) Q J LU cr cr m LLI U Q z Z 0 Q U � T– � � U < O Z 2 U) Q w Q 4 U) m � J z � w 0 Lu z ~ o L J PROJECT NUMBER: 0335 PROJECT MANAGER: CSC DESIGNED: AFM DRAWN: TRS CHECKED: DPI SHEET NUMBER: S11 KI• 1155 1150 1145 AM 15 REACH MC I -B ENHANCEMENT II STA 12+57 TO 15+17 REACH MC I -C RE5TORATI ON STA 15+ 17 TO 20+72 REACH JN3Ar I PROPOSED BRIDGE \ I LCE, TB-- LCE I I' ~ 21+-50_ REAC h MC 15TA 15+ 17 TO 5TA 19+70 2 1.0' 3.8' G.7' BANKFULL STAGE _ N N� Or CL TYPICAL 5HALLOW CROSS SECTION q. TYPICAL RIGHT MEANDER CRO55 SECTION rn Pi n' GIDEON STREAM MITIGATION 51TE /ate / rL 0 / / TYPICAL LEFT MEANDER CK055 SECTION 1,7111, SCALE: HOR 1 "=30'; VERT 1 "=3' �• 1155 1150 1145 50 iN REAC h MC I STA 19+70 TO STA 20+72 23.0' 4.2' 7.3' BANKFULL STAGE _ N i CL TYPICAL SHALLOW CRO55 SECTION P ,� n, rL TYPICAL RIGHT MEANDER CRO55 SECTION P ,� n' rL TYPICAL LEFT MEANDER CRO55 SECTION Ores' 302 Jefferson Street, Suite 110 Raleigh, INC 27605 Main: 919.829.9909 Fax: 919.829.9913 www.res.us SEAL FULL SCALE: 1"=30 030 60 2 — FULL SCALE 1" = HALF SCALE 6i 00 C) o N 000 J CL m O Z 0 Z 0 z O O LL F- 0- cr 0 � Z L 00-1 LU LLQ C) Z o Z 0 (n U W J Y cr Q > W -JW W cr m Q_ W U Q Z z O J O P Q U � � � U w O Z 2 U) Q z W Q Z � U m LLJJ � Z V) ~ w 0 Lu z m �_ cc o_ J 0 PROJECT NUMBER: 0335 PROJECT MANAGER: CSC DESIGNED: AFM DRAWN: TRS CHECKED: DPI SHEET NUMBER: S12 cz co U U) o� 0 CD CD c� D 0 Q U .cz cz J U Z U CL U) U) LU LU Q Z I � I I REMOVE EXISTING PIPE AND REACH MC3-13 \ ENHANCEMENT II DISPOSE OF OFF SITE STA 42+85 TO 4G+87 GIDEON STREAM' MITIGATION SITE 7 — REACH MC3-A RESHAPE LEFT BANK, INSTALL — --rzl P LQ� � ENHANCEMENT II COIR MATTING * LIVE STAKES V. -5U ED — / STA 40+42 TO 42+85 STA 42+85 TO 43+78 O X81 _ cE 40+00L el \ \ 44+00 44+50 CD Nc \ 3x50 16' j 0y 0 40X50 v x ���� J 41 X00p / \ 45+50 — — \ \ 6X00 VA �\ X x 46 Sp _ — X X _ \ A 4jXoo vwI k � r J — k rTI REACH E351 J \\ / 153�C �_\ \ \���� REACH MC3-C I\ �� / _ _ O \ \\ \� \ _ — - ENHANCEMENT I (.0 v \\\ \ — — — — STA 47+28 TO 49+42 // / / / / J I \� \ y RESHAPE LEFT BANK, INSTALL \ �� COIR MATTING* LIVE STAKESv LC STA 47+78 TO 49+42 REACH � � D ENHANCEMENT II y 53� PROPOSED FORD CROSSIN _ / \ STA 49+42 TO 53+37 I SEE DETAIL SHT D3 LCEV- '16 CVLcE 9X00 B 47+50 �bX00 V� � / x — / / � - D --- \r 49s0 — — — — 81 50x� 51+50 \X a cy / — -" 50+00 �6 -- — TB— _ TB. `W it re / — �-- - - REACH MC 3-B ENHANCEMENT II — _ / \ STA 42+85 TO 4G+87 i - Ores' 302 Jefferson Street, Suite 110 Raleigh, INC 27605 Main: 919.829.9909 Fax: 919.829.9913 www.res.us SEAL FULL SCALE: 1"=30 030 60 211 — FULL SCALE 1" = HALF SCALE w a 00 0 0 N 0CY) J CL — O z O U z 0 z O O LL O U LU O 0-1 LU LL Z C) Z o O Fn w Lu cr m LLI U) Q Z z O_ JO CD Q U � � T- M Q O LLI Z T— U Q w Q O U) m LLJJ � Lu Z U) i- ~ w 0 Lu z ~ o L J PROJECT NUMBER: 0335 PROJECT MANAGER: CSC DESIGNED: AFM DRAWN: TRS CHECKED: BRC SHEET NUMBER: S13 c cz cu 0 resi 302 Jefferson Street, Suite 110 Raleigh, INC 27605 Main: 919.829.9909 Fax: 919.829.9913 www.res.us SEAL 0 FULL SCALE: 1 "=150 0 150 300 2" = FULL SCALE 1" = HALF SCALE 6i co p o N � O O co J CL p C) z _O I- U z O z O o LL a it O z U w O LL Qw Q z z o 0OU) w J Y(n Cc:> Q W —JW W cr m Q_ w U z z O J O P Q U � z = ~ J W U Z Z_ U U Q Z w LL U) O m LLJJ � z V) ~ w 0 W z m �_ _ w LL J p PROJECT NUMBER: 0335 PROJECT MANAGER: CSC DESIGNED: AFM DRAWN: TRS CHECKED: BRC SHEET NUMBER: F1 1pres' 302 Jefferson Street, Suite 110 Raleigh, NC 27605 Main: 919.829.9909 Fax: 919.829.9913 www.res.us SEAL 0 FULL SCALE: 1 "=150 0 150 300 2" = FULL SCALE 1 " = HALF SCALE I` w Q 00 p o N � O O M J 0_ p z _O U I— z O z O o LL a Ir O z U LU OLL w Q Q z o z O (n 0 U) W J Y o� Q > W —jW W 0= cr D_ w U) Z Z O J O F Q U Z J Q LLIO Z Z C/) � Z Z Q J U) O LU m � diLLJJ z U) H L1LJ C3 W D z cr �_ v J 0= L J p PROJECT NUMBER: 0335 PROJECT MANAGER: CSC DESIGNED: AFM DRAWN: TRS CHECKED: BRC SHEET NUMBER: p 1 1111 \ � \ \\\\\\ `C� � I LEACH J N 2 REACH MC )III\� �✓�� �__� � j/� �� I F(rFNIn RIPARIAN PLANTING LIMITS OF CONSERVATION EASEMENT PROPOSED VEGETATION PLOT (AREA: 0.02 AC) PROPOSED CROSS SECTION LOCATIONS PROPOSED CREST GAUGE PROPOSED FLOW GAUGE PROPOSED GROUNDWATER MONITORING GAUGE LCE Fv-pl I VIII I 00I I \� a�llll vim(\�� 111v �vv 1111 I II 1AlV�V�XX VAS\VIVA�VII\�\l� v���VAVA��VA�VAVAVA\Illi VAV�1AVAVAAVAIvv�1vIlllllllllllllll�llllllh 6-)�1�vi��V\\11�VIVA llAlllil�lll�\ �l \1 III II \����A VA - lll�l III IIIDVAII�IIII IIII �1 \ 1 ��\ � A� A11111VA II III111111� 1111111\1�� Il) I "� �\\\\�lll�llll III II � �1111�111V�1�111\\ � i// ���1\��IVII 11�I�1111I1111�III�I \\VAVA V�VA\\ f 1 111�11I111111�111� I 1p' I'I��IIII�IIII� I r � Illll�lll �j lllllllllll�� � bm 1111 I l I I � )11111 IIII l l l i illl � I I I'II(JI111 I illll��j I i � W 111111 / / I II III( I I. I / Illlllil�I�� �III11 I I I ilUl �I A1, �1111`II /I I W , -z-b=E�-0HE� 4/ / I f / /k r a� fti � 7 LEACH JN3 0 resi 302 Jefferson Street, Suite 110 Raleigh, INC 27605 Main: 919.829.9909 Fax: 919.829.9913 www.res.us SEAL C) FULL SCALE: 1 "=150 0 150 300 2" = FULL SCALE 1" = HALF SCALE w Q co C) o N � OCY) o J EL O z O Z 0 Q_' O O a O 0 w 0 O fY LL Q Z C) o Z O (n U) Q J Lu a w w LLI U) Q z Z O 0 N fn < U z � JL w z ~ 0 z Q Z z U) O m LLJJ � Z U) ~LLQ O w z m �_ _ Ir LL J 0 PROJECT NUMBER: 0335 PROJECT MANAGER: CSC DESIGNED: AFM DRAWN: TRS CHECKED: BRC SHEET NUMBER: m 1 49 N ro U) U) J H LU D 2 U) 0 0 LO LOU O 0 Q c c� a� a� J U z cn U 2 C7 U) w Ir w Q z WHEN AND WHERE TO USE IT 302 Jefferson Street, Suite 110 Raleigh, NC 27605 SILT FENCE IS APPLICABLE IN AREAS: 1.25 LB./LINEAR IT. STEEL POSTS Main: 919.829.9909 FLOW Fax: 919.829.9913 WHERE THE MAXIMUM SHEET OR OVERLAND FLOW PATH LENGTH TO THE FENCE IS 1 00 -FEET. WHERE THE MAXIMUM SLOPE STEEPNESS (NORMAL [PERPENDICULAR] TO FENCE LINE) IS 2H: I V. THAT DO NOT RECEIVE CONCENTRATED FLOWS GREATER THAN 0.5 CFS. EXTRA STRENGTH ( www.res.us B MIDDLE LAYER BOTTOM LAYER TOP LAYER FILTER FABRIC �.0 G, j M' DO NOT PLACE SILT FENCE ACROSS CHANNELS OR USE IT AS A VELOCITY CONTROL BMP. I�I WjT� W EARTH SURFACE CONSTRUCTION SPECIFICATIONS:- _II srglV A A I . USE A SYNTHETIC FILTER FABRIC OF AT LEAST 95% BY WEIGHT OF POLYOLEFINS OR POLYESTER, WHICH IS /c,�� CERTIFIED BY THE MANUFACTURER OR SUPPLIER AS CONFORMING TO THE REQUIREMENTS IN ASTM D G4G 1. SYNTHETIC FILTER FABRIC SHOULD CONTAIN ULTRAVIOLET RAY INHIBITORS AND STABILIZERS TO PROVIDE A a \ HEAVY DUTY PLASTIC TIE / FOR STEEL POSTS B PLAN VIEW ENDS OF BAGS IN TRENCH 0.25' DEEP ONLY WHEN MINIMUM OF G MONTHS OF EXPECTED USABLE CONSTRUCTION LIFE AT A TEMPERATURE RANGE OF O° TO 1 20° BACKFILL TRENCH WITH \ C) PLACED ON EARTH F. \ ADJACENT ROWS N 2. ENSURE THAT POSTS FOR SEDIMENT FENCES ARE 1.33 LB/LINEAR FT STEEL WITH A MINIMUM LENGTH OF 5 FEET. COMPACTED EARTH SEE NOTE LOWEST POINT BUTTED SLIGHTLY SURFACE MAKE SURE THAT STEEL POSTS HAVE PROJECTIONS TO FACILITATE FASTENING THE FABRIC. \' GROUND LEVEL TOGETHER 13-5 SECTION -B CONSTRUCTION: 11 1. CONSTRUCT THE SEDIMENT BARRIER OF EXTRA STRENGTH SYNTHETIC FILTER FABRICS. � BURY FABRIC Z 2. ENSURE THAT THE HEIGHT OF THE SEDIMENT FENCE DOES NOT EXCEED 24 INCHES ABOVE THE GROUND O SURFACE. (HIGHER FENCES MAY IMPOUND VOLUMES OF WATER SUFFICIENT TO CAUSE FAILURE OF THE USE EITHER FLAT STRUCTURE.) -BOTTOM / EARTH SURFACE 3. CONSTRUCT THE FILTER FABRIC FROM A CONTINUOUS ROLL CUT TO THE LENGTH OF THE BARRIER TO AVOID OR V -BOTTOM TRENCH SECTION A -A JOINTS. WHEN JOINTS ARE NECESSARY, SECURELY FASTEN THE FILTER CLOTH ONLY AT A SUPPORT POST WITH 4 SHOWN BELOW FEET MINIMUM OVERLAP TO THE NEXT POST. 4. EXTRA STRENGTH FILTER FABRIC WITH G FEET POST SPACING DOES NOT REQUIRE WIRE MESH SUPPORT FENCE. SILT FENCE INSTALLATION NOTE: END OF DIKE AT GROUND LEVEL TO BE I- SECURELY FASTEN THE FILTER FABRIC DIRECTLY TO POSTS. WIRE OR PLASTIC ZIP TIES SHOULD HAVE MINIMUM HIGHER THAN THE LOWEST POINT OF FLOW CHECK. SANDBAG BARRIERS SHALL BE CONSTRUCTED OF THREE LAYERS OF SANDBAGS. 50 POUND TENSILE STRENGTH. SUFFICIENT SANDBAGS ARE TO BE PLACED TO 5. EXCAVATE A TRENCH APPROXIMATELY 4 INCHES WIDE AND 8 INCHES DEEP ALONG THE PRLINE OF Z THE BOTTOM LAYER SHALL CONSIST OF 3 ROWS OF BAGS, THE MIDDLE LAYEROPOSED PREVENT SCOURING. POSTS AND UPSLOPE FROM THE BARRIER. FILTER FABRIC FILTER FABRIC SHALL CONSIST OF 2 ROWS OF BAGS AND THE TOP LAYER SHALL CONSIST OF I G. PLACE 12 INCHES OF THE FABRIC ALONG THE BOTTOM AND SIDE OF THE TRENCH. ROW OF BAGS. THE RECOMMENDED DIMENSION OF A FILLED SANDBAG SHALL BE 7. BACKFILL THE TRENCH WITH SOIL PLACED OVER THE FILTER FABRIC AND COMPACT. THOROUGH COMPACTION COMPACTED COMPACTED v APPROXIMATELY 0.5 FT X 0.5 FT X 1 .5 FT. OF THE BACKFILL IS CRITICAL TO SILT FENCE PERFORMANCE. EARTH o EARTH o 8. DO NOT ATTACH FILTER FABRIC TO EXISTING TREES. 0 F O RUNOFF RUQ p SANDBAG IMPERVIOUS DIKE MAINTENANCE: - 0- z -III z NTS E E INSPECT SEDIMENT FENCES AT LEAST ONCE A WEEK AND AFTER EACH RAINFALL. MAKE ANY REQUIRED REPAIRS O IMMEDIATELY. u Z SHOULD THE FABRIC OF A SEDIMENT FENCE COLLAPSE, TEAR, DECOMPOSE OR BECOME INEFFECTIVE, REPLACE IT PROMPTLY. LU FILTER REMOVE SEDIMENT DEPOSITS AS NECESSARY TO PROVIDE ADEQUATE STORAGE VOLUME FOR THE NEXT RAIN AND TO FABRIC 4„ FILTER FABRIC REDUCE PRESSURE ON THE FENCE. TAKE CARE TO AVOID UNDERMINING THE FENCE DURING CLEANOUT. OW LU NOTES: REMOVE ALL FENCING MATERIALS AND UNSTABLE SEDIMENT DEPOSITS AND BRING THE AREA TO GRADE AND STABILIZE FLAT -BOTTOM TRENCH DETAIL V -SHAPED TRENCH DETAIL Q I . EXCAVATION SHALL BE PERFORMED ONLY IN DRY AND/OR ISOLATED SECTIONS OF IT AFTER THE CONTRIBUTING DRAINAGE AREA HAS BEEN PROPERLY STABILIZED. Z CHANNEL. O (n LU U) W J W 2. IMPERVIOUS DIKES SHOULD BE USED TO ISOLATE WORK AREAS FROM STREAM Q W FLOW. 3. THE CONTRACTOR SHALL NOT DISTURB MORE AREA THAN CAN BE STABILIZED IN c w ONE WORKING DAY. A MAXIMUM OF 200 FEET MAY BE DISTURBED AT ANY ONE TIME. U) TEMPORARY SILT FENCE G�OPO COARSE AGGREGATE - 4. THE CONTRACTOR SHALL BE RESPONSIBLE FOR DETERMINING PUMP SIZE z �\� STONE SIZE = 2"-3" SUFFICIENT TO PUMP BASE FLOW. NTS t*\Cl 5. DIKE MUST BE CONSTRUCTED OF NON -ERODIBLE MATERIALS SUCH AS SANDBAGS. o O O o SEQUENCE OF CONSTRUCTION: F-0 I . INSTALL STILLING BASIN AND STABILIZED OUTFALL USING CLASS A RIP RAP AT THE L.I_ O O�O�OCO DOWNSTREAM END OF THE DESIGNATED PROJECT WORKING AREA. U 2. THE CONTRACTOR SHALL INSTALL THE PUMP AROUND PUMP AND THE TEMPORARY PIPING THAT WILL CONVEY THE BASE FLOW FROM UPSTREAM OF THE WORK AREA 2" x I " OR 2" x 2" WOODEN STAKE MINIMUM 9" EROSION O O O O TO THE STABILIZED OUTFALL. CONTROL STRAW WATTLE NOTE: CG c 3. INSTALL UPSTREAM IMPERVIOUS DIKE AND BEGIN PUMPING OPERATIONS FOR EXISTING OR COIR WATTLE/LOG EROSION CONTROL WATTLES OR COIR LOG5/WATTLE5 MAY BE USED IN PLACE OF OLLI STREAM DIVERSION. GRADE SILT FENCE. Z 7 O O O 4. INSTALL THE DOWNSTREAM IMPERVIOUS DIKE AND DEWATERING PUMPING SO, ^ APPARATUS IF NEEDED TO DEWATER THE ENTRAPPED AREA. THE PUMP AND HOSE \/�� �T SLOPE / / w MiN FOR THIS PURPOSE SHALL BE OF SUFFICIENT SIZE TO DEWATER THE WORK AREA. THIS WATER WILL ALSO BE PUMPED TO AN OUTFALL STABILIZED WITH CLASS A RIP / / �\��\�`7-\\//7 \���\�\\�\\�\\/ \\/\�\��\\ z z \' \/\��\��\������/��/� �/� ���\�� Q EROSION CONTROL WATTLE 5. THE CONTRACTOR SHALL EXCAVATE ANY ACCUMULATED SILT AND DEWATER BEFORE X� REMOVAL OF THE IMPERVIOUS DIKE. WHEN DEWATERING AREA, ALL DIRTY WATER O U) MUST BE PUMPED THROUGH A SILT BAG. REMOVE IMPERVIOUS DIKES, PUMPS, NTS AND TEMPORARY FLEXIBLE HOSE/PIPING STARTING WITH THE DOWNSTREAM DIKE INSTALL WATTLE IN 3" TO LU m � diLLJJ FIRST. 5" TRENCH G. ONCE THE WORKING AREA IS COMPLETED, REMOVE ALL RIP RAP AND IMPERVIOUS L.I_ 0 PURPOSE: DIKES AND STABILIZE DISTURBED AREAS WITH SEED AND MULCH. z STABILIZED CONSTRUCTION ENTRANCES SHOULD BE USED AT ALL POINTS WHERE TRAFFIC WILL BE LEAVING A 7. ALL WORK IN CHANNEL MUST BE COMPLETED BEFORE REMOVING IMPERVIOUS DIKE. � �_ 01: CONSTRUCTION SITE AND MOVING DIRECTLY ONTO A PUBLIC ROAD. INSTALLATION NOTES: KEY -IN MATTING PER FIG. I OR FIG. 2 CONSTRUCTION SPECIFICATIONS: 0335 2.0' CSC FLOW SITE PREPARATION MIN. I . CLEAR THE ENTRANCE AND EXIT AREA OF ALL VEGETATION, ROOTS, AND OTHER OBJECTIONABLE MATERIAL AND TRS i CHECKED: PROPERLY GRADE IT. DPI I . GRADE AND COMPACT AREA. I I 2. PLACE THE GRAVEL TO THE SPECIFIC GRADE AND DIMENSIONS SHOWN ON THE DETAIL, AND SMOOTH IT. INTAKE HOSE 2. REMOVE ALL ROCKS, CLODS, VEGETATION, AND OBSTRUCTIONS SO THAT MATTING WILL --- I _ _ I 3. PROVIDE DRAINAGE TO CARRY WATER TO A SEDIMENT TRAP OR OTHER SUITABLE OUTLET. CLASS A HAVE DIRECT CONTACT WITH THE SOIL. -- -- 4. USE GEOTEXTILE FABRICS BECAUSE THEY IMPROVE STABILITY OF THE FOUNDATION IN LOCATIONS SUBJECT TO STONE 3. PREPARE SEEDBED BY LOOSENING 3 TO 4 INCHES OF TOPSOIL ABOVE FINAL GRADE. SEEPAGE OR HIGH WATER TABLE. PUMP AROUND 4. TEST SOILS FOR ANY NUTRIENT DEFICIENCIES AND SUBMIT SOIL TEST RESULTS TO THE ENGINEER. APPLY ANY TREATMENT SUCH AS LIME OR FERTILIZERS TO THE SOIL IF NEEDED. KEY IN AND/OR PUMP STAKE MATTING MAINTENANCE: SEEDING JUST ABOVE WORK CHANNEL TOE MAINTAIN THE GRAVEL PAD IN A CONDITION TO PREVENT MUD OR SEDIMENT FROM LEAVING THE CONSTRUCTION SITE. DE -WATERING AREA 1. SEE PLANTING SHEETS FOR SEEDING REQUIREMENTS. THIS MAY REQUIRE PERIODIC TOP DRESSING WITH 2 -INCH STONE. AFTER EACH RAINFALL, INSPECT ANY STRUCTURE PUMP 2. APPLY SEED TO SOIL BEFORE PLACING MATTING. USED TO TRAP SEDIMENT AND CLEAN IT OUT AS NECESSARY. IMMEDIATELY REMOVE ALL OBJECTIONABLE MATERIALS INSTALLATION - STREAM BANK SPILLED, WASHED, OR TRACKED ONTO PUBLIC ROADWAYS, OR AIRFIELD PAVEMENTS. IMPERVIOUS I . SEE GRADING NOTES ON PLAN AND PROFILE SHEETS AND DETAIL SHEETS FOR DIKE INFORMATION REGARDING WHAT AREAS ARE TO RECEIVE COIR MATTING. IMPERVIOUS DIKE 2. OVERLAP ADJACENT MATS 3" (IN DIRECTION PARALLEL TO FLOW) AND ANCHOR EVERY 12" ACROSS THE OVERLAP. THE UPSTREAM MAT SHOULD BE PLACED OVER THE DOWNSTREAM SOIL PILE MAT. TRENCH APPROX. 8" WIDE X 8" DEEP TRENCH APPROX. SOIL PILE g" WIDE x 8" DEEP FROM TRENCH TEMPORARY GRAVEL CONSTRUCTION ENTRANCE 3. EDGES SHOULD BE SHINGLED AWAY FROM THE FLOW OF WATER. FROM TRENCH FLOW NTS 4. LAY MAT LOOSE TO ALLOW CONTACT WITH SOIL. DO NOT STRETCH TIGHT.18" 5. ANCHOR MAT USING BIODEGRADABLE STAKES OR PIN5. t - FLOW DISCHARGE HOSE G. CUT 8" x 8" TRENCH ALONG TOP OF BANK FOR MAT TERMINATION AS SHOWN IN FIGURES I FLOW \ 7\�/�?/,�/ A * 2. EXTEND MAT 2 TO 3 FEET PAST TOP OF BANK. 7. PLACE ADJACENT ROLLS IN THE ANCHOR TRENCH WITH A MINIMUM OF 4" OVERLAP. SECURE WITH BIODEGRADABLE STAKES OR PINES, BACKFILL ANCHOR TRENCH, AND �� /////\%�%� ,�//�j/A//AA//VAA/VA/�� GEN ONSTERAL ORUCT DAM ACCORDING TO NCDENR EROSION CONTROL B ID # 5 WASHED STONE STONE _ \/\/\/\/\ I Q NOTE: HOSE SHOULD BE COMPACT SOIL. Ai �/V%V! AT ALONG VA VA VA //////////////� i/�� \��V�. i '�\'�A�VA/VA' ��- --1 MANUAL. 2. ROCK DAM RIPRAP SHALL BE 50/50 MIX OF CLASS I AND II. KEPT OUTSIDE OF WORK 8. STAPLE 12" INTERVALS OVERLAP. 9. STREAM BANK MATTING TO BE INSTALLED FROM TOE OF BANK TO A MINIMUM OF 2.0'\'`�\`\\\\\%jai / j - \�< 3. PLACE ROCK DAM AS SHOWN ON PLANS. EXTEND CLASS B RIP SILT BAG AREA 1 ROW OF STAPLES OR �� LOCATION PAST TOP OF BANK. SEE FIGURE 3 FOR TERMINATION AT TOP OF BANK. �� STAKES, MIN. OF 24" RAP ROCK APRON 5 FEET DOWNSTREAM FROM TOE OF ROCK 10. IF MORE THAN ROLL 15 REQUIRED TO COVER THE CHANNEL FROM THE TOP OF BANK DOWN I ROW OF STAPLES OR O C DAM. A A TO THE TOE, THEN OVERLAP MATTING BY A MINIMUM OF 1'. ,�y/ STAKES, MIN. OF 24" O.0 STEP I STABILIZED OUTFALL A STONE FILTER FABRIC STEP ICLASS I .5' THICK CLASS ROCK APRON I ROW OF STAPLES ORB I ROW OF STAPLES OR B FLOW STAKES, MIN. OF 18" O.0 STAKES, MIN. OF 12" O.0 5' MIN. PLAN SPILLWAY CREST DISCHARGE EXISTING HOSE � 7�,.,7/T GROUND \�i�\\.7\. FLOW W (SPILLWAY) I' MIN OF # 5 \\/\ \/� 7\e�\TT�T / o 0 0 MIN. /3 STREAM WIDTH CLASS I AND II RIP WASHED STONE STABILIZED 15' TO 20' OUTFALL C STONE \\ 1 BONK SOIL FILLED ; \\% �// 1 .5' THICK CLASS N a FLOW LOWESTBA EROSION CONTROL MATTING MUST MEET OR EXCEED THE FROM SOIL PILE, \ \ /� SOIL FILLED B ROCK APRON o 0 0 o N LEVEL FOLLOWING REQUIREMENTS: COMPACT WITH STEP 2 FOOT FROM SOIL PILE, /��K/'�� COMPACT WITH FOOT -- • 100 % COCONUT FIBER (COIR) TWINE WOVEN INTO A STEP 2 CLASS I AND II FILTER FABRIC HIGH STRENGTH MATRIX. CUTOFF TRENCH RIP RAP FILTER FABRIC 8" OF CLASS A • THICKNESS - 0.35 IN. MINIMUM. FILTER FABRIC SECTION A -A STONE • SHEAR STRESS - 5 LBS/SQFT FIGURE I FIGURE 2 SECTION B -B EXISTING • f LOW VELOCITY- I G fT/5EC CHANNEL • WEIGHT - 20 OZ/5Y SILT BAG PROFILE • OPEN AREA - 38% • SLOPES - UP TO A MAXIMUM OF 1: 1 COIR MATTING TEMPORARY ROCK CHECK DAM PUMP AROUND DEWATERING DETAIL NTS NTS NTS 1pres' 302 Jefferson Street, Suite 110 Raleigh, NC 27605 Main: 919.829.9909 Fax: 919.829.9913 www.res.us SEAL SCALE: AS SHOWN W a co C) � N 0 00 11 Z O I- Z O z O O IL 0- E E O � Z LU OW LU Q Q Z0 Z O (n LU U) W J W Y Q W W cr c w U) z z O J F-0 L.I_ Q U C� CG c Q OLLI J Z (n >- w z z Q O U) LU m � diLLJJ z U) H w L.I_ 0 W D z � �_ 01: PROJECT NUMBER: 0335 PROJECT MANAGER: CSC DESIGNED: AFM DRAWN: TRS CHECKED: DPI SHEET NUMBER: D 1 49 N ro U) U) J H w 0 0 0 LID 0 O 0 Q U c c� c� a� a� J U z cn U 2 c7 U) LU Ir w Q z 0 res, X Y Raleigh, NC 27605 NOTES: Main: 919.829.9909 Fax: 919.829.9913 COIR FIBER I . LOGS SHOULD BE AT LEAST 12 INCHES IN DIAMETER, G-9 FEET LONG, RELATIVELY STRAIGHT, AND A B IS SEAL 0.75" TO 2" MATTING HARDWOOD. SCALE: AS SHOWN Z 2. CABLE ANCHORS SHOULD BE PLACED I' TO 3' FROM EACH END OF LOG. REBAR (5/8" MINIMUM DIAMETER W FLAT TOP END o 3' MIN. LENGTH TYPICAL) MAY BE USED AS A SUBSTITUTION FOR CABLE ANCHORS PER DIRECTION OF -"---- _ Ln. ENGINEER. 3. IF REBAR IS USED, PRE -DRILL HOLES WITH 5/8" DRILL BIT. - `---- I ---' I !� - 1 O co L°°°°°°°FEET v LATERAL BUD Ln DETAIL � LIVE STAKES SHOULD BE LONG ENOUGH TO REACH BELOW THE GROUNDWATER C) TABLE. (GENERALLY, A LENGTH OF 2 TO 3 � N A 7W p4l) A' I5 SUFFICIENT.) ADDITIONALLY, THE J STAKES SHOULD HAVE A DIAMETER IN THE RANGE OF 0.75 TO 2 INCHES. SIDE BRANCHREMOVED BANKFULL ELEVATION AT SLIGHT ANGLE z 1/4 TO 1/3 OF LOG DIAMETER CAN BE EXPOSED O WATER TABLE PRI OR TO FINAL GRADING _ _ EVEN MIX OF NCDOT CLASS I z POOL ELEV: D OUTLET ELEV: E PLAN VIEW �J d PROPOSED BED AND CLASS 2 RIPRAP 30 DEEP /\\/ \\/\ \i COIR FIBER \\�\i\\ \ 45 DEGREE MATTING \ FLOW H TAPERED BUTT END CO 4 z MINIMUM OF 2/3 OF LOG DIAMETER BEDDED BELOW EXISTING CHANNEL INVERT 12" MINIMUM LOG DIAMETER (TYP.) , �\\ \\\,\\\\,\\/\\,\\\\i `� \ / INSTALL CABLE ANCHOR AS SHOWN. DRILL (OR UNDISTURBED SOIL SAW CUT) PILOT HOLE THROUGH LOG 1/3 TO NOTE: G" #57 STONE ON 3' MIN. 114 OF THE WAY DOWN SO THAT ANCHOR BASINS WILL BE SIZED BASED ON SECTION A -A' GEOTEXTILE FABRIC CABLE IS NOT EXPOSED. CONTRIBUTING DRAINAGE AREA TO THE EXTENT PRACTICABLE. ICE LOG TOE PROTECTION TYPICAL DRY DISSIPATER PASIN NTS NTS NOTE: I . ACCEPTABLE SPECIES INCLUDE BLACK WILLOW (SALIX NIGRA), SILKY WILLOW (SALIX SERICEA) AND SILKY DOGWOOD (CORNUS AMMOMUM). LU 2. LIVE STAKES SHALL BE PLANTED IN AN AREA EXTENDING 3 FEET OUT FROM TOP OF BANK TO JUST BELOW BANKFULL. 3. LIVE STAKES SHALL BE SPACED 3 FEET APART, ALTERNATE SPACING. BANKFULL ELEVATION \�\ ��\\70\� I Q LIVE STAKE \ I /4 TO I /3 OF LOG DIAMETER CAN BE EXPOSED PRIOR TO FINAL GRADING Q 0 NTS \\i PROPOSED BED �\\�j� j�X0\�2 U) W J W Y cc > LU cr \\i D_ w \ \i �\\�\\�; ��' DIBBLE PLANTING METHOD \ �!�\iA\i \\i USING THE KBC PLANTING BAR \'moi\�i�j z i %> MINIMUM OF 1/2 TO 2/3 OF WOOD /\ i\\i\\i LOG DIAMETER BEDDED \\\/ O J 4m2 STAKES BELOW CHANNEL INVERT 1211 LOG DIAMETER (TYP.) dill = ILII —�i NOTES - I . INSTALL STAKES ON 3' CENTERS ON EACH SIDE OF ROLL. TOP OF STAKE SHOULD U NOT EXTEND ABOVE ROLL. 2. EXCAVATE A SMALL TRENCH (DEPTH APPROX 1/2 TO 2/3 OF LOG DIAM) FOR PLACEMENT OF ROLL. _ .INSERT 2. REMOVE 3. INSERT 3. COIR LOGS SHALL BE 10 FT LONG AND HAVE A DIAMETER OF 12 IN. C� c PLANTING BAR AS PLANTING BAR PLANTING BAR 2 SHOWN AND PULL AND PLACE INCHES TOWARD U) Q O HANDLE TOWARD SEEDING AT PLANTER FROM Z PLANTER. CORRECT DEPTH. SEEDING. COIR LOG (TOE PROTECTION) (n NTS w =1 II -1111 l—III NEW CHANNEL TO BE CONSTRUCTED ��0 z z 4. PULL HANDLE OF 5. PUSH G. LEAVE BAR TOWARD HANDLE COMPACTION OLD CHANNEL TO BE g� �—CHANNEL PLUG MIN. 25' MAX. 75 O PLANTER, FIRMING FORWARD HOLE OPEN. SOIL AT BOTTOM. FFIIRMIINPG SOIL WATER THOROUGHLY. DIVERTED OR ABANDONED TOP OF BANK PLAN VIEW FILL TO TOP OF EXISTING ��\�\\ \ \\� CHANNEL \\�\�\� \\�\� ��\\j \\ice /\\\�\\i \\�\�\ \� \\ i' PLANTING NOTES: I� I NOTES: PLANTING BAG BARE ROOTS SHALL BE PLANTED G FT. TO 10 FT. ON CENTER, Lu m LLJ r' BANK BOTTOM \\�\\�j\��\\�\\�\\/ \\ j\\\\i\\i\\\\i\\ice\i BE KIE TPINAA MOIST CANVAS BAG OR RANDOM SPACING, AVERAGING 8 j \�\\,\\� H w SIMILAR CONTAINER TO PREVENT THE FT. ON CENTER, APPROXIMATELY 0 W D ROOT SYSTEMS FROM DRYING. G80 PLANTS PER ACRE. UNCOMPACTED BACKFILL COMPACTED BACKFILL KBC PLANTING BAR I .5' MINIMUM BANKFULL ELEVATION (1 2" TO 1 511 LIFTS) WIITTHTA TRIANGULAR CROSS SECTION, 0335 PROJECT MANAGER: CSC AND SHALL BE 12 INCHES LONG, 4 DESIGNED: T FJ,LL� LEA5T AFM INCHES WIDE AND I INCH THICK AT CENTER. 30' 70Ci#ANNE CHECKED: NEW CHANNEL BANK SHALL SHEET NUMBER: ROOT PRUNING FINISHED GRADE BE TREATED AS SPECIFIED .� NOTES: ALL SEEDLINGS SHALL BE ROOT PRUNED, IF NECESSARY, SO THAT NO COMPACTED BACKFILL I IN PLANS ' 1. FILL EXISTING CHANNEL TO BANKFULL ELEVATION WHEN POSSIBLE. 2. CHANNEL MUST BE FILLED IN 12" TO 18" LIFTS, ROOTS EXTEND MORE THAN 10 (12" LIFTS) I Y INCHES BELOW THE ROOT COLLAR. ® n X 3. IF CHANNEL CANNOT BE COMPLETELY FILLED TO TOP OF BANK, FILL TO TOP OF BANK FOR 25OUT OF EVERY 100' SEGMENT. �Z_ PROPOSED CHANNEL INVERT IMPERVIOUS SELECT MATERIAL CHANNEL BACKFILL DARE ROOT PLANTING (PER DIRECTION OF ENGINEER) TYPICAL SECTION LOG TOE OR COIR LO NTs NTs CHANNEL PLUG NTS 0 res, 302 Jefferson Street, Suite 110 Raleigh, NC 27605 Main: 919.829.9909 Fax: 919.829.9913 www. res. us SEAL SCALE: AS SHOWN W Q co C) � N O 00 J IL z O H CO z O z O O IL ICE O U LU OW LU Q Q U) 0 z O (n U) W J W Y cc > LU cr cr D_ w U) z z O J F_0 L. Q U _ C� c U) Q O J Z (n w o z z Q D O U) Lu m LLJ di J z U) H w L.I_ 0 W D Z � IL J PROJECT NUMBER: 0335 PROJECT MANAGER: CSC DESIGNED: AFM DRAWN: TRS CHECKED: DPI SHEET NUMBER: D2 3 U) J H W 0 Y-' 2 0 0 I` LO r` 0 0 0 Q c c� c>s a� J U z cn U 2 C7 U) LU Ir w Q z pres' 3' MAXIMUM STREAM CHANNEL Raleigh, NC 27605 Main: 919.829.9909 BANK HEIGHT �10,u SEAL I SCALE: AS SHOWN y ulp I I / II I I IV��IiI li / SURFACE FLOW 40 �l� �O� I DIVERSION ° O o °� p00 01Z, p o •p 00. oS '8 JI Q 00 o ,6� ° ROOT WAD ✓� _ IIIY IV�II o;°�° - ° °° � — - ° o, o go°o o o ° o o ° o 0 0 -� � BOULDER N — 0 00 ii1�1I1 II VIII / Ir \� ENGINEER)TED BY INSTALL COIR MATTING PER DETAIL ' I / Ij+ IL rn SEE DETAIL D I I z EXCAVATE / GRADE UPPER BANK STONE APPROACH / SECTION: 2:1 MIN., 5:1 / ROOT WAD O BOULDER MAX. SLOPE ON ROAD (AS DIRECTED BY INSTALL LIVE STAKES (SEE PLANTING PLAN) CLA55 A STONE OVER FILTER FABRIC FOOTER LOG ENGINEER) \�/\/ \\ EXI5TI NG CHANNEL BANK \\//\\/ j SURFACE FLOW H /\\/\\//\\/ //\\ �\// //\\ / /� //\/\\ \ \/ /\\/\\/\\/\\/\\/ /\ DIVERSION PLAN VIEW - TRENCHING METHOD PLAN VIEW -DRIVE POINT METHOD /\ j�/j ///j\ Z O TIE TO EXISTING GRADE%j VARIES MIN SLOPE 2.5H: I V \\\�\\\/�\\\\\\ (DESIGNER TO MARK IN FIELD EXISTING STREAM z PRIOR TO CONSTRUCTION) O IL IF ROOT WAD DOES NOT COVER ENTIRE BANK � CONSTRUCTION 15 BETWEEN MID OCTOBER TO V�VA V /VA/VA/VA/VA V A/VA/VA�� O � DRIVE POINT METHOD: am Z MID MARCH, PROTECT BANK SOD MATS "DRIVING" WITH BRUSH LAYER. SHARPEN THE END OF THE LOG WITH A CHAINSAW BEFORE IT INTO CLASS A STONE TOP OF BANK THE BANK. ORIENT ROOT WADS UPSTREAM 50 THAT THE STREAM FLOW FLOOD PLAIN MEETS THE ROOT WAD AT A 90 -DEGREE ANGLE, DEFLECTING THE WATER OW FILTER FABRIC AWAY FROM THE BANK. A TRANSPLANT OR BOULDER SHOULD BE PLACED EXISTING Q BANKFULL STAGE ON THE DOWNSTREAM SIDE OF THE ROOT WAD IF A BACK EDDY 15 FORMED CHANNEL BED NOTES: BOULDER = BY THE ROOT WAD. THE BOULDER SHALL BE APPROXIMATELY 3'X 2'X 2'. NOTES: I O' TO 15' I . CONSTRUCT STREAM CROSSING WHEN FLOW IS LOW. LU U) Q LU I _ (AS DIRECTED —III—III—III— I . TREES NOT INDICATED TO BE REMOVED SHALL BE BENCH 2. HAVE ALL NECESSARY MATERIALS AND EQUIPMENT ON-51TE BEFORE WORK BEGINS. cc Q — 5A5EFLOW BY ENGINEER) -I I—_ = I-III—III—III-I TRENCHING METHOD: DURING TRUCTION IN 3. MINIMIZE CLEARING AND EXCAVATION OF STREAMBANKS. DO NOT EXCAVATE 1 T WD CNNOTBETHE BANK OR THEB NK EED5 If THE OCOONSTRUCTED, DRIVEN OMEH ACCORDANCE WITH PLANS LLII— CHANNEL BOTTOM. COMPLETE ONE 51DE BEFORE STARTING ON THE OTHER SIDE. = =III=III=1111 I I I I I I I I I I I I TO BE REIII-111— T TRENCHING OD SHOULD BESEDNTHIS 2. SEED AND MULCH ALL BANKS PRIOR TO INSTALLING 4. INSTALL STREAM CROSSING PERPENDICULAR TO FLOW. U) METHOD REQUIRES THAT A TRENCH BE EXCAVATED FOR THE LOG PORTION COIR MATTING. 5. GRADE SLOPES TO A MINIMUM OF 2:1 SLOPE, MAXIMUM 24" MIN. FOOTER LOG > 12" DIAMETER OF THE ROOT WAD. IN THIS CASE, A FOOTER LOG SHOULD BE INSTALLED G. MAINTAIN CROSSING 50 THAT RUNOFF IN THE CONSTRUCTION ROAD DOES NOT 0_ DIAMETER BOULDER MINIMUM OF 1 /2 OF DIAMETER UNDERNEATH THE ROOT WAD IN A TRENCH EXCAVATED PARALLEL TO THE ENTER EXISTING CHANNEL. BANK AND WELL BELOW THE 5TREAM5ED. ONE-THIRD OF THE ROOT WAD 7. A STABILIZED PAD OF NATURAL CLA55 A STONE, G TO 9 INCHES THICK, LINED WITH INSTALLED BELOW STREAM BED SHOULD REMAIN BELOW NORMAL BASE FLOW CONDITIONS. ' n FILTER FABRIC SHALL BE USED OVER THE BERM AND ACCESS SLOPES. U 8. FILTER FABRIC USED SHALL BE NCDOT TYPE 2 ENGINEERING FABRIC OR EQUIVALENT. 10- 15 FEET LONG 9. WIDTH OF THE CROSSING SHALL BE SUFFICIENT (8' MIN.) TO ACCOMMODATE THE > I OII DIAMETER LARGEST VEHICLE CROSSING THE CHANNEL. CG c CROSS SECTION VIEW U) Q 10. CONTRACTOR SHALL DETERMINE AN APPROPRIATE RAMP ANGLE ACCORDING TO J LLIZ EQUIPMENT UTILIZED. VJ 1 1. TEMPORARY CROSSINGS ARE TO BE ABANDONED IN PLACE. W TYPICAL BANK GRADING o z z NT5 Q ROOTwAD FORD CROSSING 4 U) NTS NTS LU m TOE OF BANK NOTES: z U) I . LOG VANES SHALL BE CONSTRUCTED OF ONE OR MORE LOG5 HELD IN PLACE BY EITHER BALLAST BOULDERS, DUCKBILL L.I_ INSTALL COIR MATTING PER DETAIL W ANCHORS, OR REBAR. LOGS SHALL BE A MIN. LENGTH OF 30' AND DIAMETER OF 12" AND BE RELATIVELY STRAIGHT HARDWOOD, z SEE DWG D I RECENTLY HARVESTED. THE LENGTH SHALL BE SUCH THAT THE LOG 15 BURIED INTO THE 501L OF THE STREAM BANK (ON ONE ��_ NON -WOVEN GEOTEXTILEO� END) AND STREAM BED (ON THE OTHER END) A MINIMUM DISTANCE OF 4.0'. FLAT -SIDED BALLAST BOULDERS SHALL BE OF SIZE 0 STREAM BANK FABRIC (NCDOT TYPE 11) 4 2'X 2'X I .5' OR AS SPECIFIED BY THE DESIGNER. 0335 COMPACTED 501L PROJECT MANAGER: i2 wlDrh 2 ELEVATIONTHE VANE 5HALL INTERCEPT THE REAM L1T BETWEENNK AT A HEIGHT EQUAL TO I/ CONTROL POINT MAY BE AB5HED THE LEFT OR RIGHTS REAMB A DBANKfULL E. AN BANK/VANE INTERCEPTPO NT. THE VANE DESIGNED: LIVE STAKES TOP OF BANK AFM INTERCEPT LOCATION MAY BE OTHERWISE DESCRIBED BY ITS RELATIONSHIP TO BANKFULL STAGE OR BY THE LENGTH AND SLOPE DRAWN: f TRS OF THE VANE ARM. BANKFULL 15 NOT NECESSARILY THE TOP OF THE STREAM BANK SLOPE. LIVE CUTTINGS SHEET NUMBER: D3 200 TO 300 BALLAST BOULDER OR DUCK BILL ANCHORS 3. FILTER FABRIC SHALL BE USED TO SEAL THE GAPS BETWEEN THE LOGS AND UNDER THE COARSE BACKFILL MATERIAL OF THE VANE. THERE SHALL BE NO FILTER FABRIC VISIBLE IN THE FINISHED WORK; EDGES SHALL BE FOLDED TUCKED, OR TRIMMED A5 I SMALL BRANCHES / — — — — AND BRUSH — — — — NOTES: / NEEDED. 0 1/4 MAX POOL DEPTH \ I . OVER EXCAVATE THE OUTSIDE BEND OF THE CHANNEL. PLACE LARGER BRANCHES AND LOGS IN A CRI55-CRO55 PATTERN. I 4. LOG VANES SHALL BE BUILT TYPICALLY A5 FOLLOWS: A. OVER -EXCAVATE STREAM BED TO A DEPTH EQUAL TO THE TOTAL THICKNESS OF THE HEADER (AND FOOTER IF SPECIFIED) / / / / \ MAX POOL DEPTH I \� LOCK IN PLACE WITH FILL COVERING G IN TO 18 IN OF THE LARGER BRANCHES/SMALL LOGS. 1/4 \ LOGS \ \\ \\ \\ \\ 2. PLACE SMALLER BRANCHES AND BRUSH OVER THE LARGER COARSE AGGREGATE I . B. PLACE FOOTER LOG OF THE VANE ARM IF SPECIFIED. THE SLOPE OF THE VANE ARM 15 MEASURED ALONG THE VANE ARM BRANCHES/SMALL LOGS (HARDWOOD SPECIES ONLY) AND BACKFILL (I " TO 5") BANKFULL WHICH I LLED AT AN ANGLE O THE 5TREAMCOMPACT C. NSTALLHEADER OF HE VANE ARM ON TOP Of AND SLIANK D PROFILE. YFORWARD OR BACK FROM THE FOOTER LOG. \ \ \ \ \ \ �\ /\\�\\�\\�\\�/ /�\/�\//\//\\//\//\// LIGHTLY TOGETHER. BACKFILL AND COMPACT TO LOCK IN PLACE. q I D. NAIL FILTER FABRIC TO THE HEADER LOG U51NG A GALVANIZED NAIL WITH A PLASTIC CAP. THE 51ZE AND GAGE OF NAIL 3. ACCEPTABLE LIVE CUTTINGS SPECIES A INCLUDE BLACK WILLOW (5ALIX NIGRA) AND 51LKY WILLOW (5ALIX 5ERICEA). WILLOW AND NAIL SPACING SHALL BE SPECIFIED BY THE DESIGNER. \\ \�� SMALL LOGS AND/OR E. PLACE BALLAST BOULDERS OR DUCKBILL ANCHOR ON THE VANE. LARGE BRANCHES WITH A CUTTINGS SHOULD BE RINSED AT CUTTING POINT TO ALLOW F. PLACE COARSE BACKFILL BEHIND LOGS ENSURING THAT ANY VOIDS BETWEEN THE LOGS ARE FILLED. SECTION A -A MIN DIAMETER OF 4". BETTER ROOTING. LOG VANE G. BACKFILL REMAINDER OF VANE WITH PREVIOUSLY EXCAVATED MATERIAL. 4. INSTALL EROSION CONTROL (COIR) MATTING OVER COMPACTED 501L PER DIRECTION OF ENGINEER. 5. IF ANY EROSION CONTROL MATTING 15 SPECIFIED FOR USE IN THE VICINITY OF THE STREAM BANK/VANE INTERCEPT POINT THE 5. INSTALL I TO 3 ROWS OF LIVE STAKES ABOVE THE LIVE MATTING EDGES SHALL BE NEATLY SECURED AROUND THE LOGS. CUTTINGS LAYER PER DIRECTION OF ENGINEER. ° LEFT OR RIGHT VANE POOL ° I ARM BANK INTERCEPT CONTROL POINT I I A F�p�N BANKFULL BALLAST BOULDER COIR MATTING OR DUCKBILL ANCHORS LEFT OR RIGHT VANE ARM BANK INTERCEPT CONTROL POINT PLAN VIEW w o FLOW > \\ n BAN KFULL 3% TO G% _ —1 \ 1 — —1 —� CHANNEL TOP STREAM BANK COARSE AGGREGATE FLOW Z Z — �_� i � OF BANK BACKFILL (I " TO 5") POOL T �\ HEADER LOG FOOTER LOG s FOOTER LOG HEADER LOG \O TOE OF BANK STREAM BED IN POOL PROFILE VIEW A CHANNEL BOTTOM OF BANK NON -WOVEN GEOTEXTILE FABRIC (NCDOT TYPE II) VARIES o' ToY WIDTH LOG VANE TYPICAL PLAN VIEW BRUSH TOE NTs NTS SECTION A -A pres' 302 Jefferson Street, Suite 110 Raleigh, NC 27605 Main: 919.829.9909 Fax: 919.829.9913 www.res.us SEAL SCALE: AS SHOWN W Q 00 C) � N 0 00 IL rn z O H CO Z O z O O IL 0 rc O � Z LU OW LU Q Q Z0 Z O (n LU U) Q LU J W cc Q > W LU W cr c LLII— U) z z 0_ O N L< ' n U CG c U) Q O J LLIZ VJ W o z z Q 4 U) LU m diLLJ J z U) H w L.I_ 0 W D z ��_ 01:ILLJ 0 PROJECT NUMBER: 0335 PROJECT MANAGER: CSC DESIGNED: AFM DRAWN: TRS CHECKED: DPI SHEET NUMBER: D3 NOTES: REBAR (1/2" MINIMUM DIAMETER 3' MIN. LENGTH TYPICAL) SHOULD BE PLACED PTO 3' FROM END OF q LOG. ADDITIONAL REBAR TO BE PLACED AT G' MINIMUM OFFSETS. LAST REBAR SHOULD BE PLACED PTO 3' DIAMETER 6' FROM END OF LOG. DUCK BILL ANCHORS MAY BE 1211 USED AS A SUBSTITUTION FOR REBAR, 2 PER LOG. A TREBAR LOGS BANKFULL LIMITS OF PROPOSED CHANNEL PLAN VIEW COARSE AGGREGATE BACKFILL (2" TO G") BAN KFU LL O� A —LOW C LOG BURIED IN B BANK MIN 5PT POINT REFERENCED IN STRUCTURE TABLE N PROPOSED FLOODPLAIN SURFACE DOWN ~Y \A 5' 5/8" REBAR SECTIONAL VIEW A - A' FLOODPLAIN SILL NTS �P POINT REfERENCED IN STRUCTURE TABLE COARSE AGGREGATE BACKFILL (2" TO G") FOOTER LOG 7 /"- HEADER LOG r am W -000d LOG BURIED IN BANK MIN 5FT A' PLAN VIEW MIN 5PT MIN 5FT PROFILE t3 -E3' HEADER LOG INVERT ELEVATION MIN 5.0' O EXISTING DITCH � BANK ,,, PROPOSED CONSERVATION ➢ f EASEMENT LIMITS 4'T08' COARSE AGGREGATE BACKFILL (2" TO G") FOOTER LOG �vOF DOWNSTREAM LOG PROPOSED It LIMITS O OF GRADING O N Q U w Q > HEADER LOG INVERT ELEVATION D fJ VARIES (TYPICALLY 20' TO 40') PLAN VIEW MAX ALLOWABLE DROP OF 0.5 FT MAX DEPTH /2 OF LOG DIAMETER U/ COARSE AGGREGATE 0/ BACKFILL (2" TO G") MIN 3.vl — NON -WOVEN GEOTEXTILE FABRIC (NCDOT TYPE 11) PROFILE A -A' Nnrn FFT �T PROFILE C -C' OVERLAP OF UPSTREAM LOG NOTES: 1. LOGS SHOULD BE RELATIVELY STRAIGHT HARDWOOD AND RECENTLY HARVESTED. 2. LOG DIMENSIONS: MIN DIAM. = 10", MIN LENGTH = 14' 3. NAIL FILTER FABRIC USING 3" 1 OD GALVANIZED COMMON NAIL EVERY 1 .5' ALONG THE LOG. DOUBLE LOG DROP NTS LOG STRUCTURE (SEE DETAIL) FILL DITCH SUCH THAT THE DOWNSTREAM ELEVATION TIES INTO EXISTING GRADE OF THE B FLOODPLAIN J GRADE AREA SUCH THAT MAX SLOPE BELOW LOG STRUCTURE IS 1 % OF COARSE BAC NON -W GEOTEXTILE Fi (NCDOT T ROOTWP BRU� CHANNEL TOP OF BANK LOG SILL EXISTING GRADE EXISTING DITCH (SEE DETAIL) TOP OF 5ANK:::�� _ PROPOSED GRADE 0.5% 5LOPE TIE-IN TO (MAX) EXISTING EXISTING `-�L�//�/�/�/�/�/� FLOODPLAIN DITCH INVERT `C �L� . ELEVATION CONSTRUCT FLOW POOL SECTION A -A EXISTING GROUND CUT 3:1 MAX SLOPE\ 3: 1 MAX SLOPE INSTALL COIR MATTING PER — — — — MANUFACTURER'S FILL DITCH INSTRUCTIONS SECTION B -B DIFFUSE FLOW STRUCTURE NTS LCVV UnHivivcL DUI IUiV OF BANK COARSE BACKFILL FILTER FABRIC KOOTWAD OR BRUSHTOE CHANNEL TOP OF BANK TYPICAL PLAN VIEW (OPT 1) FLOW FILL DITCH AND INSTALL COIR MATTING NOTES: I . NO FLOODPLAIN GRADING IS ALLOWED WITHIN 10 FT OF THE PROPOSED CHANNEL TOP OF BANK. 2. LOGS SHOULD BE AT LEAST 10'-20' LONG AND AT LEAST 8 INCHES IN DIAMETER, AND HARDWOOD. PROPOSED REBAR OR DUCKBILL STREAM BED ANCHOR COARSE AGGREGATE BACKFILL (I " TO 5") FLOW MIN. 5.0' POOL APPROX. \ — 0.75' TO I .5' DEEP \ \ Baa as COARSE AGGREGATE / / /'// ///\ BACKFILL (I" TO 5") /// /// \ X/ \ /�// 3 NON -WOVEN GEOTEXTILE FABRIC TACK FABRIC (NCDOT TYPE 11) TO LOG SECTION A -A TYPICAL PLAN VIEW (OPT 2) HEADER LO FOOTER LO LOG SILL NTS HEADER LOG FOOTER LOG OVERLAP OF DOWNSTREAM LOG SECTION B -B (OPT 1 ) PROPOSED STREAM BANK I%TO 3% SECTION B -B (OPT 2) �R, 4' MIN. LENGTH) OR DUCKBILL ANCHORS INSTALLED PER MANUFACTURERS INSTRUCTIONS (TYP.) REBAR (5/8" MIN. DIAMETER, 4' MIN. LENGTH) OR DUCKBILL ANCHORS INSTALLED PER MANUFACTURERS INSTRUCTIONS (TYP.) NOTES: 1. LOGS SHOULD BE RELATIVELY STRAIGHT HARDWOOD AND RECENTLY HARVESTED. 2. NAIL FILTER FABRIC USING 3" 1 OD GALVANIZED COMMON NAIL EVERY 1.51 ALONG THE LOG. 3. DUCKBILL ANCHORS MAY BE USED IN PLACE OF REBAR. LOG DIMENSIONS: REACH ID MIN. LENGTH MIN. DIAMETER MCI 23' 12" JN2 12' 101, JN3 20' 12" BSI 12' 10" pres 302 Jefferson Street, Suite 110 Raleigh, NC 27605 Main: 919.829.9909 Fax: 919.829.9913 www.res.us SEAL SCALE: AS SHOWN W Q 00 C) � N O J IL rn z O N� H z O z O O IL O U cnD O Q� LU W Q Q U) 0 z z O (n LU U) -Q, J Y cc > -jW Lu Cc cr 0- w Z z O Q U CF— CG c LJ_ U) Q O J LLI Z � (n w o z z Q 4 U) Lu mLJJ � J z (n ~ W 0 Lu z ��_ 01:L J 0 PROJECT NUMBER: 0335 PROJECT MANAGER: CSC DESIGNED: AFM DRAWN: TRS CHECKED: DPI SHEET NUMBER: D4 LINE POST I GMAX. LINE POST TOE OF BANK FLOW BAN KFU LL Y3 C1 ANNEL Y3 CHANNEL Y3 CHANEL IDTH WIDTH WID H COARSE AGGREGATE BACKFILL (I " TO 5") 20' TO 30° RIGHT VANE ARM i v BANK INTERCEPT CONTROL POINT BARBED OR LINE POST ELECTRIC WIRE q 4" TO G" 1 3" MIN. WOVEN WIRE: NA ASTM CLASS 3 GALVANIZED. L POOL IT TOP AND BOTTOM WIRES MIN. 12 GAUGE. B - - - WOVEN WIRE 00 INTERMEDIATE AND STAY WIRES MIN. MIN GROUND LINE N z 12 I/2 GAUGE. 5,p' m � WOVEN WIRE WITH ONE BARB DETAIL NOTES: I . LINE POSTS (WOODEN): MIN. 4 IN. DIAM. OR 4 IN. SQUARE. 2. LINE POSTS (STEEL): STUDDED OR PUNCHED T, U, OR Y SHAPED, WITH ANCHOR PLATES. 3. MIN. WEIGHT 1.3 LBS./FT. (EXCLUDING ANCHOR PLATE). POSTS SHALL BE DRIVEN A MINIMUM OF 18" DEEP AND MUST BE AT LEAST 5.5 FT IN LENGTH 4. SPECIES AND TREATMENT FOR ALL WOOD: USE UNTREATED DURABLE POSTS OF SPECIES SUCH AS RED CEDAR, BLACK LOCUST OR OSAGE-ORANGE WITH BARK REMOVED, OR NON -DURABLE WOOD THAT IS PRESERVATIVE PRESSURE TREATED (0.40 LBS./CUBIC FOOT CCA, OR EQUIVALENT NON -CCA TREATMENT). DO NOT USE RED PINE. CLASS B RIP RAF TIMBER MAT INSTALLED PERPENDICULAR WOVEN WIRE I=ENCE (N RCS DETAIL 382A) NTS PLAN VIEW BAN KFU LL COARSE AGGREGATE BACKFILL (I" TO 5") FLOW VARIES O' TO 0.8' 3% TO 5% -v POOL FOOTER ROCK �\�X OBER MAT INSTALLED 2ALLEL :ARRIAGE BOLT TIMBER MAT (TYP) TIMBER MAT TEMPORARY CROSSING NTS FILTER F PROFILE VIEW STREAM BANK 5. CROSS VANE INVERT CONTROL POINT HEADER AND FOOTER BOULDERS FILTER FABRIC B LEFT VANE ARM BANK INTERCEPT CONTROL POINT LEFT OR RIGHT VANE ARM BANK INTERCEPT CONTROL POINT HEADER ROCK BAN KFU LL STREAM BANK TOE OF BANK COARSE AGGREGATE BACKFILL (I " TO 5") HEADER BOULDER FOOTER BOULDER STREAM BED IN POOL FILTER FABRIC SECTION A -A' Y3 CHANNEL Y3 CHANNEL Y3 CHANNEL WIDTH WIDTH WIDTH VANE ARM BANK INTERCEPT CONTROL POINT VANE ARM BANK INTERCEPT CONTROL POINT FILTER JJ FABRIC HEADER BOULDER FOOTER BOULDER DOCK CROSS VANE NT5 a CULVERT O.G' UNLESS NOTED OTHERWISE BY ENGINEER SECTION VIEW PROPOSED CULVERT CROSSING NTS 3 PRIMARY ROCK DIMENSIONS: X. LONGEST DIMENSION Y. SHORTEST DIMENSION Z. INTERMEDIATE DIMENSION MATERIALS NOTES: I . ROCKS MUST HAVE AN INTERMEDIATE DIAMETER (Z) OF AT LEAST 24" FOR HEADERS AND 24-30" FOR FOOTERS. SILL ROCKS SHALL HAVE AN INTERMEDIATE DIAMETER OF AT LEAST 18". ALL ROCKS SHALL BE APPROVED BY ENGINEER PRIOR TO INSTALLATION 2. WIDTH OF HEADER AND FOOTER ROCKS (X) MUST BE AT LEAST 30". DEPTH OF HEADER AND FOOTER ROCKS (Y) MUST BE AT LEAST 24" NOTES: I . CONSTRUCT STREAM CROSSING WHEN FLOW IS LOW. 2. INSTALL STREAM CROSSING PERPENDICULAR TO FLOW. 3. CONTRACTOR TO COORDINATE APPROPRIATE BEDDING MATERIAL WITH MANUFACTURER. 4. FILTER FABRIC USED SHALL BE NCDOT TYPE 2 ENGINEERING FABRIC OR EQUIVALENT. 5. WIDTH OF TYPICAL FARM CROSSINGS SHALL BE PER PLAN OR A MINIMUM OF 121. G. WHEN REQUIRED, CONTRACTOR TO ENSURE PIPE MATERIAL AND COVER MEET H-20 LOADING REQUIREMENTS. INSTALL CLAY PLUG 2 FLOW LOG OR ROCK SILL SET TOP FEET BELOW CULVERT OF LOG I FOOT ABOVE INVERT CULVERT INVERT MIN 3' COARSE AGGREGATE MIN 3' OO C) O 0 O v O O O O O O O O O O O O O O O"O O � �n O 0o CO O O O O O EARTH FILL COVERED - HO BY LARGE ANGULAR 0C O O C ROCK 0 0 0( 0 o< 0 o< Oo DOvOv0�0� 0.�0,�0"O�, `'Ov0 `0000 v vOvOvOYvo O"00C D,�On0n0n0n0n0n n0 O�O� n 0_0 O 0n0n0n0n0n0n0c I O' MIN. I O' MIN. I 1 STREAM CHANNEL / I LOG OR ROCK SILL; TOP OF BANK SET TOP A MINIMUM OF O.G' ABOVE CULVERT PLAN VIEW INVERT 1pres' NOTES: PLAN VIEW Main: 919.829.9909 Fax: 919.829.9913 I . TIMBER MATS SHALL BE USED FOR TEMPORARY www.res.us SEAL CONSTRUCTION ACCESS TO TRAVERSE WET AND/OR MUDDY SCALE: AS SHOWN ARES ADJACENT TO THE STREAM AND TO CROSS THE STREAM AND OTHER CONCENTRATED FLOW AREAS. CARRIAGE BOLT TIMBER MAT INSTALLED (TYP) PERPENDICULAR 2. THE STREAM CROSSING SHALL BE INSTALLED WHEN FLOW IS TIMBER MAT LOW. THERE SHALL BE MINIMAL TO NO DISTURBANCE OF THE CLASS B RIP RAP TOP OF BANK INSTALLED PARALLEL CHANNEL BED AND BANKS AS A RESULT OF INSTALLING THE APPROACHES OR CROSSING. 0 o 0 0 � N o 3. THE LENGTH OF TIMBER MAT REQUIRED TO CROSS THE STREAM OR CONCENTRATED FLOW AREAS SHALL BE SUCH j\\ j\\ j\\ j\\� THAT THE TIMBER MAT EXTENDS PAST THE TOP OF BANK ON EACH SIDE OF THE CROSSING A SUFFICIENT DISTANCE TO SUPPORT THE MAXIMUM EQUIPMENT SIZE USING THE z CROSSING. O \ THE TIMBER 4. STREAM CROSSINGS SHALL BE INSTALLED WITH FILTER FABRIC i\�j/ MAT LENGTHS ORIENTED PERPENDICULAR TO THE TOPS OF TOE OF BANK THE STREAM BANKS. TIMBER MAT STREAM APPROACHES (TYP) APPROXIMATE BASE FLOW SHALL BE INSTALLED WITH THE TIMBER MAT LENGTHS WATER SURFACE ORIENTED PARALLEL TO THE TOPS OF THE STREAM BANKS. 5. STREAM CROSSING APPROACHES FROM DRY AREAS SHALL F_ BE CONSTRUCTED USING CLASS B RIP RAP PLACED OVER SECTION VIEW FILTER FABRIC. G. ALL TIMBER MATS, FILTER FABRIC, AND RIP RAP SHALL BE z COMPLETELY REMOVED FROM THE SITE WHEN THE CROSSING IS REMOVED. TIMBER MAT TEMPORARY CROSSING NTS FILTER F PROFILE VIEW STREAM BANK 5. CROSS VANE INVERT CONTROL POINT HEADER AND FOOTER BOULDERS FILTER FABRIC B LEFT VANE ARM BANK INTERCEPT CONTROL POINT LEFT OR RIGHT VANE ARM BANK INTERCEPT CONTROL POINT HEADER ROCK BAN KFU LL STREAM BANK TOE OF BANK COARSE AGGREGATE BACKFILL (I " TO 5") HEADER BOULDER FOOTER BOULDER STREAM BED IN POOL FILTER FABRIC SECTION A -A' Y3 CHANNEL Y3 CHANNEL Y3 CHANNEL WIDTH WIDTH WIDTH VANE ARM BANK INTERCEPT CONTROL POINT VANE ARM BANK INTERCEPT CONTROL POINT FILTER JJ FABRIC HEADER BOULDER FOOTER BOULDER DOCK CROSS VANE NT5 a CULVERT O.G' UNLESS NOTED OTHERWISE BY ENGINEER SECTION VIEW PROPOSED CULVERT CROSSING NTS 3 PRIMARY ROCK DIMENSIONS: X. LONGEST DIMENSION Y. SHORTEST DIMENSION Z. INTERMEDIATE DIMENSION MATERIALS NOTES: I . ROCKS MUST HAVE AN INTERMEDIATE DIAMETER (Z) OF AT LEAST 24" FOR HEADERS AND 24-30" FOR FOOTERS. SILL ROCKS SHALL HAVE AN INTERMEDIATE DIAMETER OF AT LEAST 18". ALL ROCKS SHALL BE APPROVED BY ENGINEER PRIOR TO INSTALLATION 2. WIDTH OF HEADER AND FOOTER ROCKS (X) MUST BE AT LEAST 30". DEPTH OF HEADER AND FOOTER ROCKS (Y) MUST BE AT LEAST 24" NOTES: I . CONSTRUCT STREAM CROSSING WHEN FLOW IS LOW. 2. INSTALL STREAM CROSSING PERPENDICULAR TO FLOW. 3. CONTRACTOR TO COORDINATE APPROPRIATE BEDDING MATERIAL WITH MANUFACTURER. 4. FILTER FABRIC USED SHALL BE NCDOT TYPE 2 ENGINEERING FABRIC OR EQUIVALENT. 5. WIDTH OF TYPICAL FARM CROSSINGS SHALL BE PER PLAN OR A MINIMUM OF 121. G. WHEN REQUIRED, CONTRACTOR TO ENSURE PIPE MATERIAL AND COVER MEET H-20 LOADING REQUIREMENTS. INSTALL CLAY PLUG 2 FLOW LOG OR ROCK SILL SET TOP FEET BELOW CULVERT OF LOG I FOOT ABOVE INVERT CULVERT INVERT MIN 3' COARSE AGGREGATE MIN 3' OO C) O 0 O v O O O O O O O O O O O O O O O"O O � �n O 0o CO O O O O O EARTH FILL COVERED - HO BY LARGE ANGULAR 0C O O C ROCK 0 0 0( 0 o< 0 o< Oo DOvOv0�0� 0.�0,�0"O�, `'Ov0 `0000 v vOvOvOYvo O"00C D,�On0n0n0n0n0n n0 O�O� n 0_0 O 0n0n0n0n0n0n0c I O' MIN. I O' MIN. I 1 STREAM CHANNEL / I LOG OR ROCK SILL; TOP OF BANK SET TOP A MINIMUM OF O.G' ABOVE CULVERT PLAN VIEW INVERT 1pres' 302 Jefferson Street, Suite 110 Raleigh, NC 27605 Main: 919.829.9909 Fax: 919.829.9913 www.res.us SEAL SCALE: AS SHOWN W co � N o J IL z O U F_ z O z O O IL rc O � Z LU OW LU Q Q Z 0 Z o 0 (n LU U W J W Y cc Q > W _j W cr c w U) z z O J FO Q U _ U) Q O J LLJ Z (n w o z z Q O U) Q U LU m LLJ W J z U) H w L.I_ 0 WD z � LL J PROJECT NUMBER: 0335 PROJECT MANAGER: CSC DESIGNED: AFM DRAWN: TRS CHECKED: DPI SHEET NUMBER: D5 49 N 45 U) U) J H W O �I 2 U) O O LO LOO O O Q U c c� c� a� a� J U z cn U 2 c7 U) LU Ir w Q z 1pres' 302 Jefferson Street, Suite 110 Raleigh, NC 27605 Main: 919.829.9909 Fax: 919.829.9913 www.res.us SEAL SCALE: AS SHOWN w Q 00 o C) � N O 00 J C z _O U I— z O z O o LL 0 rc O z LU o LU LL Q Q z o z O (n U) W J Y cc Q > W -jW W cr cr D_ w U) Z Z O J 0 F- O. r n V U � Q OLLI J Z VJ W z z O U) m � diLLJJ z U) H w C'3 W D z cr LL J PROJECT NUMBER: 0335 PROJECT MANAGER: CSC DESIGNED: AFM DRAWN: TRS CHECKED: DPI SHEET NUMBER: D6 49 N 45 U) U) J H W O �I 2 U) O O LO LOO O O Q U c c� c� a� a� J U z cn U 2 c7 U) LU Ir w Q z 1pres' 302 Jefferson Street, Suite 110 Raleigh, NC 27605 Main: 919.829.9909 Fax: 919.829.9913 www.res.us SEAL SCALE: AS SHOWN w Q co o C) � N O 00 J C z _O U I— z O z O o LL 0 rc O z LU o LU LL Q Q z o z O (n U) W J Y cc Q > W -jW W cr cr D_ w U) Z Z O J 0 F- O. r n V U � Q OLLI J Z VJ W z z O U) m � diLLJJ z U) H w C'3 W D z cr LL J PROJECT NUMBER: 0335 PROJECT MANAGER: CSC DESIGNED: AFM DRAWN: TRS CHECKED: DPI SHEET NUMBER: D7 Appendix B —Data Analysis and Supplementary Information IRT Meeting Notes En vironm en tai Quality Mrs. Cara Condor Resource Environmental Solutions, LLC For Environmental Banc & Exchange, LLC 302 Jefferson Street, Suite 110 Raleigh, N.C. 27605 Subject: DRAFT Mitigation Plan for the Little Sebastian Site Yadkin River Basin — CU# 03040101— Surry County DMS Project ID No. 100027 Contract # 7187 Dear Mrs. Condor: ROY COOPER Governor MICHAEL S. REGAN Secretary June 14, 2018 On May 18, 2018, the Division of Mitigation Services (DMS) received the DRAFT Mitigation Plan for the Little Sebastian Site from Resource Environmental Solutions, LLC (RES). The report establishes the proposed mitigation activities on the project site. Anticipated mitigation on the site includes 2,724 linear feet of Stream Restoration; 590 linear feet of Stream Enhancement (Level I); 3,326 linear feet of Stream Enhancement (Level II); and 1,480 linear feet of stream preservation for a total of 4,703 Stream Mitigation Units (SMUs). The following are our comments on the DRAFT mitigation plan report and preliminary plan set: General Comment: Please include the September 29, 2017 Post Contract IRT Meeting Minutes in the appendices of the revised mitigation plan and confirm that the mitigation plan is consistent with the meeting notes and IRT response e-mails (attached for reference). Executive Summary: Please reference the thermal regime. Please provide a brief introduction of the Gideon site to describe the benefits such as easement continuity and riparian corridor. Section 1.2 - Proiect Outcomes: Edit the sentence "Due to its water classifications". The proposed improvements may result in outcomes consistent with these water quality classifications but the outcomes are not "due to" them. Section 1.2 - Project Outcomes: Stating the proposed improvements will meet the water quality needs of the basin should be reworded unless the parameters are to be quantified. Section 2.1 - Site Selection: This section indicates that improvement and restoration of water quality will be achieved. Edit this assertion or modify the monitoring plan to include water quality. State of North Carolina I Environmental Quality 217 West Jones Street 11601 Mail Service Center I Raleigh, North Carolina 27699-1601 919 707 8600 Section 3.1- Watershed Summary Information -(Page 4): Land use comprises most of the text under the drainage area subheading. Suggesting adding land use to the subheading. Section 3.2 - Landscape Characteristics: Please add a section for the site geology and provide discussion. Section 3.2 - Landscape Characteristics -Existing Wetlands: DMS recommends contacting the USACE and including the final PJD in the revised mitigation plan prior to the IRT mitigation plan review. Section 3.2 - Landscape Characteristics — Soil Survey: Please label the soil survey section according to the entire discussion in the paragraph. Section 3.3 - Land Use - Historic, Current, and Future: Land use discussion within the Gideon site should be included in this section. Section 5 - Mitigation Proiect Goals and Obiectives: Project Goals - How is the improvement of water quality/reducing sediment and nutrient loads, and increasing DO going to be measured for success? Suggest clarifying this goal and tying it directly to an objective AND performance criteria. Same comment for reduction in temperature. Section 5 - Mitigation Proiect Goals and Objectives: Project Objectives - What are the appropriate pattern, dimension and profile? Is the intent to construct stream for a particular discharge, or dominant discharge or bankfull discharge? Please clarify. Section - 6.2 Design Parameters: • Reach JN2-B: The text notes minimal grading and buffer reestablishment. Will any structures be utilized/ installed in this Enhancement I reach? • Reach JN2-D: The channel appears to have been heavily modified/ditched. Is limited grading the best approach for this reach? • Reach MCI -C: Please discuss the transition into the Gideon site. Does the proposed treatment compliment both sites? • USGS Regional Regression Equations: Please verify this equation is applicable/valid for each of the drainage areas calculated. • Section 5 indicates that two agricultural BMPs will be installed on the site (project objectives). Please describe these and their proposed location in the Section 6.2 text. Section 7.1 - Success Criteria: Specify which reaches will have transducers/ flow gauges installed. Section 8.6 — Scheduling/ Reporting: "A mitigation plan and as -built drawings document....."; this should be, "A Baseline Monitoring report and as -built drawings document.....". Please update accordingly. State &NorthCarolina i Environmentalpyality 217 West Jones Street 11601 Mail Service Center i Raleigh, North Carolina 27699-1001 919 707 Sh00 Table 16: The tree height success criteria in the table does not match what is reported in the text (Section 7.2). Please update the table and QA/QC the table and report text to confirm they are consistent. Figure 1 - Vicinity Map: This map appears to be a vicinity map for the Gideon site rather than the Little Sebastian site. Please change the emphasis to highlight the active site. Figure 10A: Please update the title to "Little Sebastian Mitigation Site". Figures 10A -10C: Section 5 indicates that two agricultural BMPs will be installed on the site (project objectives). Please show the proposed BMPs on the conceptual maps. Appendices: Please check appendices for map order and labeling consistency. Preliminary Plan Set: • Title Sheet — Please label the individual stream reaches. • Sheet E 1 Construction Note 7 — Add that any compromised trees should be removed to the note. • Sheet E2 — Edit the linetype to emphasize the project conservation easement. • Sheet S 1 — Add profile to include the proposed crossing. • Sheet S 12 — Add profile if needed for the crossing. • BMP Sheets - Add sheets detailing the proposed BMPs noted in Section 5 of the report text and show their locations on the applicable plan sheets. • Sheet P 1: This appears to be the planting plan for the Gideon Mitigation Bank. Please provide the planting plan for the Little Sebastian Mitigation Site. Please QA/QC the document to confirm that other elements of the Gideon Mitigation Bank site MP have not been included in the Little Sebastian Site MP. • Sheet P 1 Planting Note I — Add language to the effect "and final approval has been issued" to the end of the first sentence. • Sheet M1 — The monitoring plan sheet is not consistent with what is proposed in Section 8- Monitoring Plan (specifically the number of vegetation plots). Please QA/ QC the report text and plan sheets to confirm that they are consistent. Consider moving the flow gauge on Reach JN2 to the Enhancement I section rather than the preservation section. • Sheet D3 Log Vane Plan View - Consider extending the stone backfill along the entire length of the log into the streambank. • Sheet D4 Double Log Drop Plan View - The contact "hinge" point between the two rows of logs is prone to piping. Consider adding a note to not require contact at the hinge point as directed by the engineer. • Structure Details — Please provide boulder size specifications everywhere applicable within the plan sheets. State &NorthCarolina i Environmentalpyality 217 West Jones Street 11601 Mail Service Center i Raleigh, North Carolina 27699-1001 919 707 Sh00 Please provide a written response to the comments provided and a revised electronic copy of the updated draft mitigation plan. If you have any questions, please contact me at any time at (828) 273-1673 or email me at paul.wiesner&ncdenr.gov . Sincerely, P"i4 we""K4Lr Paul Wiesner Western Regional Supervisor NCDEQ — Division of Mitigation Services 5 Ravenscroft Dr., Suite 102 Asheville, NC 28801 (828)273-1673 Mobile cc: file State &NorthCarolina i Environmentalpyality 217 West jones Street 11601 Mail Service Center i Raleigh, North Carolina 27699-1001 919 707 Sh00 fires MEMORANDUM Date: September 29, 2017 Re: Little Sebastian Site Post -Contract IRT Site Visit Meeting Minutes CU: 03040101 DMS Project No.: 100027 DEQ Contract No.: 7187 County: Surry Location: 36.395995° N, -80.861755° W; Ed Nixon Road, Thurmond, NC DMS Project Manager: Paul Wiesner Meeting Summary Date: August 15, 2017 RES Attendees: Daniel Ingram, Cara Conder, David Godley, Daniel Ramsay DMS Attendees: Paul Wiesner, Harry Tsomides, Kirsten Ullman IRT Attendees: Todd Tugwell (USACE), Mac Haupt (NCDWR), Olivia Munzer (NCWRC) General Summary: IRT members generally agreed the Little Sebastian Site is suitable to provide compensatory stream mitigation credits. IRT members commented on the proposed mitigation ratios for several stream reaches. Because of the IRT comments a modified conceptual plan is attached to this memorandum detailing the updated approach, ratios, and estimated credit yield. Total site credits were originally proposed as 4,653 have been reduced to 4,368 (285 credit reduction). However, some opportunities exist to increase credit yield based on the final mitigation approach and buffer widths. The proposed mitigation approach and crediting will be justified in the final mitigation plan. Specific discussions related to each reach are discussed below. Reach JN1-A: RES proposed this reach as EII with a 2.5:1 credit ratio. IRT members questioned the appropriateness of this ratio and proposed bank stabilization efforts. The upper end of this reach lacks obvious livestock impacts and has an intact buffer on the right bank. Bed material is mostly cobble and lacks obvious sedimentation issues. To address IRT comments the proposed credit ratio has been changed to 10:1 above the driveway crossing and 5:1 through the remainder of the pasture. Reach JN1-B: IRT members agreed this reach merits restoration along most of its length. Todd Tugwell questioned the proposed upstream limit of restoration and suggested it be moved downstream based on channel conditions. In response, the revised conceptual plan begins restoration approximately 100' downstream from where originally proposed. Due to the tie-in with JN3 and elevation constraints RES believes that is a feasible break point between enhancement and restoration. Topo survey and detailed channel assessments will determine the 412 N. 4th St. #300 1200 Camellia Blvd. #220 1434 Odentdh Rd. 10055 Red Run Blvd. #130 302 Jefferson St. #110 33 Terminal Way #431 Baton Rouge, LA 70802 Lafayette, LA 70508 Odenton, MD 21113 Owings Mills, MD 21117 Raleigh, NC 27605 Pittsburgh, PA 15219 701 E. Bay St. #306 5020 Montrose Blvd. #650 2750 Prosperity Ave. #220 1521 W. Main 2"d Floor 3751 Westerre Pkwy. #A 5367 Telephone Rd. 1371/2 East Main St. #210 Charleston, SC 29403 Houston, TX 77006 Fairfax, VA 22031 Richmond, VA 23233 Richmond, VA 23220 Warrenton, VA 20187 Oak Hill, WV 25901 fires final proposed limits of restoration. The proposed Gideon RES Bank Site located between JN1 and MCI was also discussed. RES intends to permit and construct this bank site in sequence with the Little Sebastian project, However, due to its downstream location from JN1 it is not expected to impact development of the full delivery project. Reach JN2: This reach was originally proposed as restoration and EII. IRT members questioned the necessity for restoration on the upper reach but generally accepted EII as an appropriate ratio for most of the reach. IRT members agreed the upstream most segment in the upper pasture area is highly impaired by livestock access and a higher level of intervention is appropriate. RES has proposed this short segment as EI to address IRT comments. The ephemeral reach proposed for protection and BMP placement was discussed as potentially intermittent and appropriate for preservation at either 10:1 or 5:1 credit based on protected buffer width. If the reach is intermittent the BMP will not be constructed, rather the easement will be extended to provide preservation to the origin point in the forested watershed. The JD will ultimately determine the limits of preservation. The downstream end of Reach JN2 near the confluence with Mill Creek is proposed as EI based on IRT comments. Mac Haupt stated that restoration may also be acceptable based on survey and detailed channel assessment results. Reach JN3: RES originally proposed JN3 as a combination of EII on the upstream end and restoration along most of its length. The IRT generally agreed with this approach, however they suggested the upstream segment is more appropriate as preservation at a 10:1 ratio. IRT members commented that the upstream limit of restoration could be extended to better tie-in with the valley low point and provide adequate buffer from the farm road. The revised concept plan incorporates these modifications. Reach MCI: RES originally proposed this reach as EII with a consistent 2.5:1 ratio. Based on IRT feedback throughout the Little Sebastian site visit that concept has been refined to include a short segment of 10:1 preservation at the upstream end, EII along most of the reach, EI at the ford crossing, and 5:1 enhancement below the crossing. The EII segment will include bank stabilization and riparian plantings in conjunction with an improved ford crossing. The EI ratio is intended to include substantial bank stabilization and instream structures to provide a stable ford crossing. The 5:1 enhancement will include livestock exclusion and left bank riparian plantings. The final exact limits of each mitigation prescription will be based on topo survey and design. Reach BS 1: No changes to the BS 1 conceptual plan are proposed. IRT members generally agreed with the enhancement and restoration approach based on impairment and construction access. Restoration in-place was discussed with the group and agreed to be an acceptable approach where floodplain access is limited. Final limits of restoration and enhancement will be based on topo survey and detailed channel assessments. 412 N. 4th St. #300 1200 Camellia Blvd. #220 1434 Odenton Rd. 10055 Red Run Blvd. #130 302 Jefferson St. #110 33 Terminal Way #431 Baton Rouge, LA 70802 Lafayette, LA 70508 Odenton, MD 21113 Owings Mills, MD 21117 Raleigh, NC 27605 Pittsburgh, PA 15219 701 E. Bay St. #306 5020 Montrose Blvd. #650 2750 Prosperity Ave. #220 1521 W. Main 2"d Floor 3751 Westerre Pkwy. #A 5367 Telephone Rd. 1371/2 East Main St. #210 Charleston, SC 29403 Houston, TX 77006 Fairfax, VA 22031 Richmond, VA 23233 Richmond, VA 23220 Warrenton, VA 20187 Oak Hill, WV 25901 �+ Potential Agricultural BMP t�,� `•�� 1��,`�' 1 F r, +�X.I `IV :. z New crossing dL �.. X' }YJ Conceptual Design Map- West c5� Little Sebastian Mitigation Site 0 150 300 600 res i Feet300 ft i rte. ft- s � 1 I ia Upgrade crossing sr� ma x -mr^ w - ` X Yl +� J-1. Oz XAll %' TWIZ It X -X -X X Nil r .� � Legends,'` Restoration Rehabilitate existing Enhancement ford crossing . Enhancement II (2.5:1) Enhancement II (5:1) " Preservation WN X—X Proposed Fence - - Proposed Easement (5.3 Ac. this page only) f• _.%'y -.• :• ;�- - _ _ - Parcels Agricultural BMP o rce. Esri, DigitalGlobe, GeoE'ye, EarthsUar Geographies, C E /Airbus DS, USDA, USG , AerOG'RID, IGN, and the GI' User Communit, s Conceptual Design Map- East Little Sebastian Mitigation Site 0 150 300 600 res 1 in= 300 ft iFeet 0 Reach Mitigation Appro, BSI Restoration BS1 MCI Enhancement II Enhancement I MCI Enhancement II MCI Enhancement II MCI Preservation Total i rte. ft- s � 1 I ia Upgrade crossing sr� ma x -mr^ w - ` X Yl +� J-1. Oz XAll %' TWIZ It X -X -X X Nil r .� � Legends,'` Restoration Rehabilitate existing Enhancement ford crossing . Enhancement II (2.5:1) Enhancement II (5:1) " Preservation WN X—X Proposed Fence - - Proposed Easement (5.3 Ac. this page only) f• _.%'y -.• :• ;�- - _ _ - Parcels Agricultural BMP o rce. Esri, DigitalGlobe, GeoE'ye, EarthsUar Geographies, C E /Airbus DS, USDA, USG , AerOG'RID, IGN, and the GI' User Communit, s Conceptual Design Map- East Little Sebastian Mitigation Site 0 150 300 600 res 1 in= 300 ft iFeet 0 gth (LF) Ratio SMU 695 1:1 695 763 2.5:1 305 106 1.5:1 71 588 2.5:1 235 '` Install WN 389 5:1 78Agricultural 11 BMP `Y 107 10:1 X „648 1.395 ► X i rte. ft- s � 1 I ia Upgrade crossing sr� ma x -mr^ w - ` X Yl +� J-1. Oz XAll %' TWIZ It X -X -X X Nil r .� � Legends,'` Restoration Rehabilitate existing Enhancement ford crossing . Enhancement II (2.5:1) Enhancement II (5:1) " Preservation WN X—X Proposed Fence - - Proposed Easement (5.3 Ac. this page only) f• _.%'y -.• :• ;�- - _ _ - Parcels Agricultural BMP o rce. Esri, DigitalGlobe, GeoE'ye, EarthsUar Geographies, C E /Airbus DS, USDA, USG , AerOG'RID, IGN, and the GI' User Communit, s Conceptual Design Map- East Little Sebastian Mitigation Site 0 150 300 600 res 1 in= 300 ft iFeet 0 Wiesner, Paul From: Wiesner, Paul Sent: Friday, October 06, 2017 8:44 AM To: Haupt, Mac; Tugwell, Todd J CIV USARMY CESAW (US); Browning, Kimberly D CIV USARMY CESAW (US); Munzer, Olivia; Hughes, Andrea W CIV USARMY CESAW (US) Cc: Daniel Ingram; Tsomides, Harry; Cara Conder Subject: RE: RES Sites -Yadkin 01 -Post Contract IRT Site Visit Meeting Minutes Mac, DMS and RES understand that all final agreements on ratios and approaches are established and approved by the IRT during the Mitigation Plan review. We will attach this e-mail to the project meeting minutes for Catbird, Mockingbird, and Little Sebastian to document your concerns. Thanks Paul Wiesner Western Regional Supervisor North Carolina Department of Environmental Quality Division of Mitigation Services 828-273-1673 Mobile Pau I.wiesner@ncdenr.gov Western DMS Field Office 5 Ravenscroft Drive Suite 102 Asheville, N.C. 28801 Nothing Compares - Ernail correspondence to and from this address is subject to the North Carolina Public Records Law and may be disclosed to third parties. From: Haupt, Mac Sent: Tuesday, October 03, 2017 3:44 PM To: Wiesner, Paul <paul.wiesner@ncdenr.gov>; Tugwell, Todd J CIV USARMY CESAW (US) <Todd.Tugwell@usace.army.mil>; Browning, Kimberly D CIV USARMY CESAW (US) <Kimberly.D.Browning@usace.army.mil>; Munzer, Olivia <olivia.munzer@ncwildlife.org>; Hughes, Andrea W CIV USARMY CESAW (US)<Andrea.W.Hughes@usace.army.mil> Cc: Daniel Ingram <dingram@res.us>; Tsomides, Harry <harry.tsornides@ncdenr.gov>; Cara Conder <cconder@res.us> Subject: RE: RES Sites—Yadkin 01—Post Contract IRT Site Visit Meeting Minutes Paul, Thanks, Mac From: Wiesner, Paul Sent: Monday, October 02, 2017 11:21 AM To: Tugwell, Todd J CIV USARMY CESAW (US) <Todd.Tugwell@usace.army.mil>; Haupt, Mac <mac.haupt@ncdenr.gov>; Browning, Kimberly D CIV USARMY CESAW (US) <Kimberly.D.Browning@usace.army.mil>; Munzer, Olivia <olivia.munzer@ncwildlife.org>; Hughes, Andrea W CIV USARMY CESAW (US)<Andrea.W.Hughes@usace.army.mil> Cc: Daniel Ingram <dingram@res.us>; Tsomides, Harry <harry.tsomides@ncdenr.gov>; Cara Conder <cconder@res.us> Subject: RES Sites—Yadkin 01_Post Contract IRT Site Visit Meeting Minutes All Please find the Catbird, Mockingbird, and Little Sebastian Post Contract IRT Site Visit Meeting Minutes attached. Please let us know if you have questions or additional comments/ concerns. Thanks Paul Wiesner Western Regional Supervisor North Carolina Department of Environmental Quality Division of Mitigation Services 828-273-1673 Mobile paul.wiesner@ncdenr.gov <mailto:paul.wiesner@ncdenr.gov> Western DMS Field Office 5 Ravenscroft Drive Suite 102 Asheville, N.C. 28801 Email correspondence to and from this address is subject to the North Carolina Public Records Law and may be disclosed to third parties Wiesner. Paul From: Tugwell, Todd J CN USARMY CESAW (US) <Todd.Tugwell@usace.army.mii> Sent: Thursday, October 05, 2017 2.16 PM To: Haupt, Mac; Wiesner, Paul; Browning, Kimberly D CIV USARMY CESAW (US); Munzer, Olivia; Hughes, Andrea W CIV USARMY CESAW (US) Cc: Daniel Ingram; Tsomides, Harry; Cara Conder Subject: [External] RE: RES Sites -Yadkin 01 -Post Contract IRT Site Visit Meeting Minutes CAUTION: This email originated from outside of the organization. Do not click links or open attachments unless you verify that the attachment and content are safe. Send all suspicious email as an attachment to report.spam@nc.gov. Paul, I have also looked over the minutes. Other than the comments made by Mac, the minutes look fine to me. Thanks, Todd -----Original Message ----- From: Haupt, Mac [mailto:mac.haupt@ncdenr.gov] Sent: Tuesday, October 03, 2017 3:44 PM To: Wiesner, Paul <paul.wiesner@ncdenr.gov>; Tugwell, Todd J CIV USARMY CESAW (US) <Todd.Tugwell@usace.army.mil>; Browning, Kimberly D CIV USARMY CESAW (US) <Kimberly.D.Browning@usace.army.mil>; Munzer, Olivia <olivia.munzer@ncwildlife.org>; Hughes, Andrea W CIV USARMYCESAW (US)<Andrea.W.Hughes@usace.army.mil> Cc: Daniel Ingram <dingram@res.us>; Tsomides, Harry <harry.tsomides@ncdenr.gov>; Cara Conder <cconder@res.us> Subject: [EXTERNAL] RE: RES Sites—Yadkin 01—Post Contract IRT Site Visit Meeting Minutes Paul, I reviewed the minutes for all of these and generally agree, however, I do take exception with one sentence that appears in the first paragraph of the Catbird and Mockingbird minutes, "IRT members also confirmed the technical approach, and ratios proposed as appropriate." At the Catbird site we did have few discussions about the approach and flow at the top of DS1 and other discussions regarding the other reach and appropriate level of intervention. At the Mockingbird site we did generally agree with the approach, however, we did not look closely at NM1 and NM4. As we have said before, all final agreements on ratios and approach are associated with the Mitigation Plan. The Little Sebastian site minutes and revised concept plan did a good job of capturing what was discussed. I reviewed the minutes for all of these and generally agree, however, I do take exception with one sentence that appears in the first paragraph of the Catbird and Mockingbird minutes, "IRT members also confirmed the technical approach, and ratios proposed as appropriate." At the Catbird site we did have few discussions about the approach and flow at the top of DS1 and other discussions regarding the other reach and appropriate level of intervention. At the Mockingbird site we did generally agree with the approach, however, we did not look closely at NMI and NM4. As we have said before, all final agreements on ratios and approach are associated with the Mitigation Plan. The Little Sebastian site minutes and revised concept plan did a good job of capturing what was discussed. Thanks, Mac From: Wiesner, Paul Sent: Monday, October 02, 2017 11:21 AM To: Tugwell, Todd J CIV USARMY CESAW (US) <Todd.Tugwell@usace.army.mil>; Haupt, Mac <mac.haupt@ncdenr.gov>; Browning, Kimberly D CIV USARMY CESAW (US) <Kimberly.D.Browning@usace.army.mil>; Munzer, Olivia <olivia.munzer@ncwildlife.org>; Hughes, Andrea W CIV USARMY CESAW (US) <Andrea.W.Hu hes usace.arm .mil> Cc: Daniel Ingram <din ram res.us>; Tsomides, Harry <harr .tsomides ncdenr. ov>; Cara Conder <cconder@res.us> Subject: RES Sites—Yadkin 01—Post Contract IRT Site Visit Meeting Minutes W Please find the Catbird, Mockingbird, and Little Sebastian Post Contract IRT Site Visit Meeting Minutes attached. Please let us know if you have questions or additional comments/ concerns. Thanks Paul Wiesner Western Regional Supervisor North Carolina Department of Environmental Quality Division of Mitigation Services 828-273-1673 Mobile aul.wiesner ncdenr. ov Western DMS Field Office 5 Ravenscroft Drive Suite 102 Asheville, N.C. 28801 hing Compares Email correspondence to and from this address is subject to the North Carolina Public Records Law and may be disclosed to third parties. Vegetation Survey Protocol for Existing Conditions Vegetation Surveying Plot Selection and Setun Survey multiple plots on-site, which together are representative of all ecotypes present within the easement boundaries. Each plot is a 5m X 20m belt transect, positioned parallel to the channel in the floodplain or adjacent upland. Take a GPS point at the origin and set the bounds with 5m as the "x-axis" and 20m as the "y-axis." Set the plot with the y-axis as the side parallel to the stream channel. Record the y-axis azimuth to allow for future resampling. Conclude selection and set-up with a representative photo of the plot taken from the origin. Data Collection Identify each plant in the plot to the species level. Sort and measure tree species by height class and diameter at breast height (DBH). Count seedlings <54in (137cm) in height into height categories 0-9cm, 10-50cm, 51-100cm, or 101-137cm. Count saplings >54in (137cm) in height into DBH categories 0-lcm, 1-2.5cm, 2.5-5cm, or 5-12.7cm. Measure the DBH of all trees >5in (12.7cm) DBH. Shrubs, vines, and herbaceous taxa receive an estimation of their percent cover over the substrate within the plot. If the personnel are unable to identify to the species level, collect voucher photos and/or specimen(s) for later identification. Record these on the data sheet as UNK-1, UNK-2, etc. Data Processing Begin processing collected data by identifying the unknown species observed from voucher photos and specimen(s) collected. When species present are sufficiently identified, use the dominant canopy species assemblages and ecological region to identify a habitat type from Schafale (2012). Calculate both basal area and stems per acre for each plot surveyed using the formulas below. These metrics help to inform the existing conditions of the canopy on-site and inform the development of the project's planting plan. Basal Area Formula: Basal area of each tree (m2) = 0.00007854 X (DBHcm)2 Basal area of plot (m2/ha) = (sum of basal areas for all trees in plot) X 100 •100 is to scale up from our 0.01ha plot to lha Stems per Acre Formula: Stems/Acre = (# of stems)/0.02471 I� yi. I r� t • 1'f Y � k r, x W .x posed Easement posed Gideon getation Survey Plots r, U O ° G 3 0° 9 d T i Ln rel V M d ct uo uu ul N 7 CU= �a �A m U A cl LU _ flll% 0 4 Ln W Z / LSF ._. 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O _ V o (� p <,fir" \O },00 cC � N u U ct U -- ct as N ct Qj 7 U] O O cn C 7C U U a = E o � ALu T s �- c f P LU O U li 1 i!1 m N � N , in H m Z) E J a a C uS n,9 - +� C N a Ln o U Ar 4 CO *e tt H E a++ L Ln O 2 � U t � N E r: L. off. t; �� S I w tko A U,CL Q r t Q j C LM 3 W tji r Q r STC 4TI C,, O � 3 � 5 Q fm - L N t0 CL Y Z t t m L, V) m 'u d CL 22 tL C Q7 c 3 J iF �o a \ 4.3 II aj cd C% cli ` 2 u, u, 1 o Q o QOU v U u '4 ca �3 k p A Vi M N Rr `A s u o �. o Z u1 A • E y_/1 U Ln !y\ j) C1 m Ln D ry i � 91 Z + +� aui Q cc C: G Q N cn p J Q Q ry u d n -4 m N u U @ - LO o O p a a x V Z E u 0 J LU 0 y w in ho j O "' 7 H u' c ll JL aj VI w ate+ ta 4u Lj CL Y Z t t m L, V) m 'u d CL 22 tL C Q7 c 3 J iF Morphological Parameters Little Sebastian Morphological Parameters Reference Reach I Existing JN3 US I UT to Smithey's Creek I JN213 JN2C JN21) I JN3A JN313 BS1 Feature Riffle I Pool Riffle I Pool Riffle Riffle Riffle Riffle Riffle Pool Riffle Drainage Area ac 921 118 17 37 38 956 999 29 Drainage Area mit 1.44 0.18 0.03 0.06 0.06 1.49 1.56 0.05 NC Regional Curve Discharge cfs 2 116.1 25.9 6.4 11.1 11.3 119.4 123.3 9.4 NC Regional Curve Discharge cfs 3 118.6 27.6 7.1 12.0 12.3 121.8 125.7 10.2 Design/Calculated Discharge cfs ' 113-122 25-28 7-8 10 11-23 123 95-123 11 Dimension BKF Cross Sectional Area(ft 2 27.7 34.7 6.7 10.9 2.4 3.3 3.4 26.1 28.5 40.6 2.4 3.6 BKF Width ft 17.5 18.6 7.1 9.0 5.2 8.7 4.9 14.9 17.9 25.9 3.2 7.7 BKF Mean Depth ft 1.6 1.9 1.0 1.2 0.5 0.4 0.7 1.8 1.6 1.6 0.8 0.5 BKF Max Depth ft 2.5 3.4 1.2 2.1 0.8 0.6 1.3 2.1 3.9 4.0 1.0 0.7 Wetted Perimeter ft 19.3 21.1 8.2 11.0 5.5 8.9 6.1 16.8 20.1 29.4 4.1 8.0 Hydraulic Radius ft 1.4 1.7 0.8 1.0 0.4 0.4 0.6 1.6 1.4 1.4 0.6 0.4 Width/Depth Ratio 11.1 10.6 7.4 7.5 11.4 22.8 7.1 8.5 11.2 16.5 4.2 16.6 Floodprone Width ft 72.5 - >30 - 9.8 9.9 9.8 37.0 60.0 42.7 5.1 9.9 Entrenchment Ratio 4.3 - >4 - 1.9 1.1 2.0 2.5 3.4 1.7 1.6 1.3 Bank Height Ratio 1.0 1.0 1.3 1.0 3.7 2.7 2.3 1.3 1.0 --- 2.1 4.2 Substrate Description D50 Gravel/Cobble Gravel Gravel Gravel Gravel Gravel/Cobble Gravel/Cobble Sand/Gravel D16 mm 12 14 1.4 1.4 1.4 11 6.9 0.062 D50 mm 54 49 7.4 7.4 7.4 28 14 1.5 D84 mm 120 99 52 52 52 100 100 7.8 Pattern Min Max Min Max Min Max Min Max Min Max Min Max Min Max Min Max Channel Beltwidth ft 35.0 85.0 20.0 30.0 - - - - - - - - - - - - Radius of Curvature ft 13.0 54.0 7.0 15.0 - - - - - - - - - - - - Radius of Curvature Ratio 0.9 3.7 0.9 2.2 - - - - - - - - - - - - Meander Wavelength ft 67.0 105.0 33.0 49.0 - - - - - - - - - - - - Meander Width Ratio 2.4 5.9 2.9 4.3 - - - - - - - - - - - - Profile Min Max Min Max Min Max Min Max Min Max Min Max Min Max Min Max Riffle Length (ft) 5.6 17.0 6.0 16.5 - - - - - - - - - - - - Run Length ft 6.0 17.0 3.0 8.1 - - - - - - - - - - - - Pool Length ft 4.0 16.0 3.0 6.2 - - - - - - - - - - - - Pool -to-Pool Spacing ft 26.0 68.0 8.0 31.2 - - - - - - - - - - - - Additional Reach Parameters Valley Length ft 202 118 406 889 889 204 1000 1508 Channel Length ft 230 148 493 1109 1109 232 1312 1703 Sinuosity 1.14 1.25 1.21 1.25 1.25 1.14 1.31 1.13 Valley Slope ft/ft 1.4 3.25 0.044 0.044 0.044 0.021 0.016 0.055 Channel Slope ft/ft 1.2 2.5 0.037 0.039 0.039 0.014 0.011 0.049 Ros en Classification 1 E3 E4b I B4 F4b E4b E3 E3 134a Bankfull stage was estimated using NC Regional Curve equations and existing conditions data 2 NC Piedmont Regional Curve equations source: Harman et al. (1999) 3 NC Piedmont Regional Curve equations source: Doll et al. (2002) Little Sebastian Morphological Parameters Bankfull stage was estimated using NC Regional Curve equations and existing conditions data 2 NC Piedmont Regional Curve equations source: Harman et al. (1999) 3 NC Piedmont Regional Curve equations source: Doll et al. (2002) Existing Design MC1A MC1B MC1C MC3A/B/C MC3D JN3 MC1B MC1C BS1 Feature Riffle Riffle Riffle I Pool Riffle Riffle Riffle F Pool Riffle Pool Riffle I Pool Riffle I Pool Drainage Area ac 1862 1915 3178 3225 3262 999 1915 3178 22 Drainage Area mit 2.91 2.99 4.96 5.04 5.10 1.56 2.99 4.96 0.03 NC Regional Curve Discharge cfs 2 194.1 198.2 286.8 289.9 292.4 123.3 198.2 286.8 7.6 NC Regional Curve Discharge cfs 3 195.6 199.5 285.8 288.8 291.2 125.7 199.5 285.8 8.4 Design/Calculated Discharge cfs ' 99 208 180 305 120 200 240 8 Dimension BKF Cross Sectional Area(ft 2 29.9 38.6 30.6 31.3 67.6 71.2 26.9 36.6 45.7 60.4 54.4 72.6 2.7 4.3 BKF Width ft 18.7 23.1 17.4 18.1 31.0 34.4 16 16 21 20.9 23 23 4.5 5.3 BKF Mean Depth ft 1.6 1.7 1.8 1.7 2.2 2.1 1.7 2.3 2.2 2.9 2.4 3.2 0.6 0.8 BKF Max Depth ft 2.3 2.1 2.9 3.0 2.5 2.5 2.3 3.4 2.9 4.3 3.2 4.7 0.7 1.3 Wetted Perimeter ft 20.4 24.7 19.4 19.8 33.5 37.5 17.2 18.3 22.5 23.7 24.6 26.0 5.1 6.4 Hydraulic Radius ft 1.5 1.6 1.6 1.6 2.0 1.9 1.6 2.0 2.0 2.5 2.2 2.8 0.5 0.7 Width/Depth Ratio 11.7 13.8 10.0 10.4 14.2 16.6 9.5 7.0 9.7 7.2 9.7 7.3 7.4 6.5 Floodprone Width ft 60.0 33.0 50.0 --- 50.0 42.4 >50 >50 >50 >50 >50 >50 Entrenchment Ratio 3.2 1.4 2.9 --- 1.6 1.2 >2.2 >2.2 >2.2 >2.2 >2.2 >2.2 >1.4 >1.4 Bank Height Ratio 1.0 1.0 1.0 1.0 1.7 1.6 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 Substrate Description D50 Cobble/Gravel Cobble/Gravel Gravel/Cobble Cobble Gravel/Cobble Gravel/Cobble Gravel/Cobble Gravel/Cobble Gravel/Cobble D16 mm 2 2 14 13 13 - - - - D50 mm 24 24 56 100 52 50-60 50-60 50-60 40-50 D84 mm 97 97 120 200 120 80-120 80-120 80-120 70-100 Pattern Min Max Min Max Min Max Min Max Min Max Min Max Min Max Min Max Min Max Channel Beltwidth ft - - - - - - - - - - 39 94 51 123 56 135 13 19 Radius of Curvature ft - - - - - - - - - - 14 60 19 78 21 86 4 10 Radius of Curvature Ratio - - - - - - - - - - 0.9 3.7 1 4 1 4 1 2 Meander Wavelength ft - - - - - - - - - - 74 116 97 152 106 167 21 32 Meander Width Ratio - - - - - - - - - - 2.4 5.9 2 6 1 2 6 3 4 Profile Min Max Min Max Min Max Min Max Min Max Min Max Min Max Min Max Min Max Riffle Length (ft) - - - - - - - - - - 7 29 9 38 10 41 4 11 Run Length ft - - - - - - - - - - 7 19 9 25 10 27 2 5 Pool Length ft - - - - - - - - - - 4 18 6 23 6 25 2 7 Pool -to-Pool Spacing ft - - - - - - - - - - 29 1 75 38 1 98 1 41 1 108 5 1 20 Additional Reach Parameters Valley Length ft 389 891 1109 1182 1182 945 478 478 1017 Channel Length ft 484 956 1288 1323 1323 1088 542 542 1028 Sinuosity 1.25 1.07 1.16 1.12 1.12 1.15 1.13 1.13 1.01 Valley Slope ft/ft 0.009 0.016 0.007 0.009 0.009 0.016 0.010 0.010 0.055 Channel Slope ft/ft 0.006 0.018 0.008 0.009 0.009 0.011 0.0085 0.0085 0.025-0.035 Ros en Classification I C3 134c E3 133c F3 E3 E3 E3 B4/E4 Bankfull stage was estimated using NC Regional Curve equations and existing conditions data 2 NC Piedmont Regional Curve equations source: Harman et al. (1999) 3 NC Piedmont Regional Curve equations source: Doll et al. 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W O E y N ml M2 m �5 3 .2 m m oe 4 y {p m m m C me �.0 -� E p uCc m +� m C E m E� a m W W m y� E E 1p mE E u� 3° E o m c c io a 2 c 3 o U. m m c v`) v° m m m 4 E m n E v` o o o o y E r m CIA ai v E v y o ° m r w -� a, 0 m J-0 w o E p� o E{ gi p2. u N C m c N, D mm. o m m 3 u W g m- M mm`m m L w y mai t m o m v y_ mm v� '� m m m a Wan mbo m cc C C � m00 m C � C�pp ] zu m 7 ��p (L�p W C .� 8� b my' LL V S N 0.¢ Q U W W W U U ,E C J m E LL m L 0 m L E C C t - E 4 y C T E 'C W y .2 mM M u m u m m W @ E o a L_ v E m cm A V �O rn m N :g N Q m MM CD m } m O m @y a >_ m F O C U E v L o m E LL y E O N y Qp v .2 O m q m m Y v y n m m _ N W L b CP V G m O N m y A G y N 3 O R A C b Q �QOJy gmy Dg a�c ]cC �yE pm U' EO W m 0 � _aO° oC d C ili y G T E ° m m. /¢ ay "' N v C T O C m o .2 v `m d m n m 't > m c v m m m 2° ?' E 3 �° ro m Q° fi O 3 u v m m $ a o t � ¢ u N E n o x m ¢ u u m a° y m E m o a c g IL E u u o W u c O m w p o @ T v my -9 ° m .... v m m o c i C- v y m 3 L i N= I N N $ m,i a N E h m- m 3 o m m g C S U 16 m ayf°C _ _} . m m 'S ao n W gm pn' m C C ° _m N m m h m m Q p Np m N Ry p o m` G LL $ O C S m D) m ° C i Y 4 4 E O Y m O A Cu m W m O m �p mL V m vNv�� m O O tG U g °^ �6 O m C Com} C L C ° Q 0 n ✓+�m .2 J C u �i i mrn o c u c ;.. m 'T m ro E m a psm_c gEoA ex y n E mx .2 n o " E C IL u W (O N i0 O }UJ' W s r m CIA ai v vi LL S rl: o rn m Com} CC) SM1 6 m IS yG U m C n m y r C 'E' E aa a N° y a O E `m E o oma °} = x o 3° a x m m m D n` E O° CL p c m o i. > m- `v B c- m P � �a >..9 m is ; E c °y y Em {cp °r g m° m_ E E o m m v g d m m o d 2 Q °n m o it: H 'm 3 r Y Z � � c N U ° S2Si y g iE�� cg tm ��_�� a�mo�w�� c 8$8 4Qy y� O D m m E y E _ } R 4 � L m S E T 3 a S y t11 y$ C @@° m -T. I m m C v N 8 G W � v a C w p� a m U u 0 m C .� °a�13 3� y m O rGr o 7 G �'myc rna`vLa`8ovm�8 C F D Y m cay y j tummy mm C aE8 C° E mC F p C Y m C 9 `1 L m U C° E R y 8 `C r rnO1 F rU� �j N f� Y O 1'p m m L C C m O �` 'N m U m m m t m � a c fV 3 C C R Np m a m 3 m E o w u4i E b R `° o � E U) x a 0 Wo o a E 3 3 o u C r c i W L C o 0 C m ma q mc m g o 2 `o m o Le m m a m�i .Q E �. m r2- ° ?^ ry v a m n° In m E m o 2 O W oy cy= 6 i� Ei E ; mropimss a� 0 y Pp ° C E CD c 00 m % o o m M > N m N Usa=m L2 F= afl�m° U) Of W E3uo t v L m C y m mm� o m° C m p p c c Q M. E o -� it mmmi m m° n ° 6 b C U c >. m ai � P m co l' U ? y v v `o v' m m m a° E 2' m m v `o m ffi c m .E '� E c vo O H Lx m y G y y m m p Y y� C C Ol oo m "X m m m12 m c L 3 n s= C E E m c C L n O E m m Z° tu m c z E `m x a c m m° y° ° m all m o R N u rD E wa` as o z ° o C C O U m Y m m 0 3 m P m m E a c O m M rn y i` C O m m r Z) m Q Lnm m cv E u S Buffer Calculation Site Name: Little Sebastian USACE Action ID: SAW -2017-01507 NCDWR Project Number: 100027 Sponsor: RES County: Surry Minimum Required Buffer Width': 30 Mitigation Type Restoration (1:1) Enhancement 1(1.5:1) Enhancement II (2.5:1) Preservation (5:1) Other (7.5:1) Other (10:1) Custom Ratio 1 Custom Ratio 2 Custom Ratio 3 Custom Ratio 4 Custom Ratio 5 Totals Buffer Zones Max Possible Buffer (square feet)° Ideal Buffer (square feet)' Actual Buffer (square feet)' Zone Multiplier Buffer Credit Equivalent Percent of Ideal Buffer Credit Adjustment Total Baseline Credit 4327.90 Mitigation Ratio Creditable Stream >20 to 25 feet >25 to 30 feet Multiplier' Length' Baseline Stream Credit 1 2721 80680 2721.00 1.5 597 403400 398.00 2.5 1898 250230.6479 759.20 5 83734.94243 331797.5016 408983.2295 7.5 819 415259.4977 109.20 10 661 76332.83692 66.10 274.40 182721.5176 5 1372 8068.00 4327.90 Wilmington District Stream Buffer Credit Calculator Buffer Width Zone (feet from Ordinary High Water Mark) less than 15 feet >35 to 20 feet >20 to 25 feet >25 to 30 feet >30 to 50 feet >50 to 75 feet >75 to 100 feet >100 to 125 feet >125 to 150 feet 242040 80680 80680 80680 322720 403400 403400 403400 403400 250230.6479 84672.85283 84019.98458 83734.94243 331797.5016 408983.2295 409950.989 411939.061 415259.4977 238423.3324 78129.8018 77249.20231 76332.83692 264770.1615 182721.5176 71359.93964 22068.53269 6840.761416 50% 20% 15% 15% 9% 7% 6% 5% 3% 2163.95 865.58 649.19 649.19 389.51 302.95 259.67 216.40 129.84 95% 92% 92% 91% 80% 45% 17% 5% 2% -102.11 -66.89 -52.31 -57.39 310.82 135.35 45.20 11.59 2.14 Credit Loss in Required Credit Gain for Net Change in Total Credit Buffer Additional Buffer Credit from Buffers -278.70 505.11 226.41 4554.31 'Minimum standard buffer width measured from the top of bank (50 feet in piedmont and coastal plain counties or 30 feet in mountain counties) 2Use the Custom Ratio fields to enter non-standard ratios, which are equal to the number of feet in the feet -to -credit mitigation ratio (e.g., for a perservation ratio of 8 feet to 1 credit, the multiplier would be 8). 'Equal to the number of feet of stream in each Mitigation Type. If stream reaches are not creditable, they should be excluded from this measurement, even if they fall within the easement. °This amount is the maximum buffer area possible based on the linear footage of stream length if channel were perfectly straight with full buffer width. This number is not used in calculations, but is provided as a reference. 'Maximum potential size (in square feet) of each buffer zone measured around all creditable stream reaches, calculated using GIS, including areas outside of the easement. The inner zone (0-15') should be measured from the top of the OH WM or the edge of the average stream width if OHWM is not known. Non -creditable stream reaches within the easement should be removed prior to calculating this area wtih GIS. 'Square feet in each buffer zone, as measured by GIS, excluding non -forested areas, all other credit type (e.g., wetland, nutrient offset, buffer), easement exceptions, open water, areas failing to meet the vegetation performance standard, etc. Additional credit is given to 150 feet in buffer width, so areas within the easement that are more than 150 feet from creditable streams should not be included in this measurement. Non -creditable stream reaches within the easement should be removed prior to calculating this area wtih GIS. Appendix C —Site Protection Instrument SITE PROTECTION INSTRUMENT Site Protection Instrument(s) Summary Information The land required for the construction, management, and stewardship of this mitigation project includes portions of the parcels listed below in Table Cl. EBX (an entity of RES) has obtained a conservation easement from the current landowners for the project area. The easement deed and survey plat will be submitted to DMS and State Property Office (SPO) for approval and will be held by the State of North Carolina. The easement deed will follow the NCDMS Full Delivery Conservation Easement Template dated May 5, 2017 and included in this appendix. Once recorded, the secured easement will allow EBX to proceed with the project development and protect the mitigation assets in perpetuity. Once finalized, a copy of the land protection instrument(s) will be included in Appendix C. Table C1. Project Parcel and Landowner Information Owner of Record PIN County Site Protection Deed Book and Acreage Instrument Page Numbers Protected Christopher 495600199069 Edward Nixon and Scary Conservation '- 13.56 ac Gwyn Dobbins Easement Nixon Christopher Edward Nixon and 495600282159 Surry Conservation -- 2.45 ac Gwyn Dobbins Easement Nixon The Byron Thomas Shaw II and Mary Beth Shaw 495600581 103 S Y Conservation 9.90 ac Revocable Living Easement Trust U/T/D of November 7, 2011 STATE OF NORTH CAROLINA DEED OF CONSERVATION EASEMENT AND RIGHT OF ACCESS PROVIDED PURSUANT TO FULL DELIVERY MITIGATION CONTRACT COUNTY SPO File Number: DMS Project Number: Prepared by: Office of the Attorney General Property Control Section Return to: NC Department of Administration State Property Office 1321 Mail Service Center Raleigh, NC 27699-1321 THIS DEED OF CONSERVATION EASEMENT AND RIGHT OF ACCESS, made this day of , 20_, by Landowner name goes here , ("Grantor"), whose mailing address is Landowner address goes here , to the State of North Carolina, ("Grantee"), whose mailing address is State of North Carolina, Department of Administration, State Property Office, 1321 Mail Service Center, Raleigh, NC 27699-1321. The designations of Grantor and Grantee as used herein shall include said parties, their heirs, successors, and assigns, and shall include singular, plural, masculine, feminine, or neuter as required by context. WITNESSETH: WHEREAS, pursuant to the provisions of N.C. Gen. Stat. § 143-214.8 et seQ., the State of North Carolina has established the Division of Mitigation Services (formerly known as the Ecosystem Enhancement Program and Wetlands Restoration Program) within the Department of Environment and Natural Resources for the purposes of acquiring, maintaining, restoring, enhancing, creating and preserving wetland and riparian resources that contribute to the NCDMS Full Delivery Conservation Easement Template adopted 5 May 2017 Page 1 of 11 protection and improvement of water quality, flood prevention, fisheries, aquatic habitat, wildlife habitat, and recreational opportunities; and WHEREAS, this Conservation Easement from Grantor to Grantee has been negotiated, arranged and provided for as a condition of a full delivery contract between ( insert name and address of full delivery contract provider ) and the North Carolina Department of Environmental Quality, to provide stream, wetland and/or buffer mitigation pursuant to the North Carolina Department of Environmental Quality Purchase and Services Contract Number WHEREAS, The State of North Carolina is qualified to be the Grantee of a Conservation Easement pursuant to N.C. Gen. Stat. § 121-35; and WHEREAS, the Department of Environment and Natural Resources and the United States Army Corps of Engineers, Wilmington District entered into a Memorandum of Understanding, (MOU) duly executed by all parties on November 4, 1998. This MOU recognized that the Wetlands Restoration Program was to provide effective compensatory mitigation for authorized impacts to wetlands, streams and other aquatic resources by restoring, enhancing and preserving the wetland and riparian areas of the State; and WHEREAS, the Department of Environment and Natural Resources, the North Carolina Department of Transportation and the United States Army Corps of Engineers, Wilmington District entered into a Memorandum of Agreement, (MOA) duly executed by all parties in Greensboro, NC on July 22, 2003, which recognizes that the Division of Mitigation Services (formerly Ecosystem Enhancement Program) is to provide for compensatory mitigation by effective protection of the land, water and natural resources of the State by restoring, enhancing and preserving ecosystem functions; and WHEREAS, the Department of Environment and Natural Resources, the U.S. Army Corps of Engineers, the U.S. Environmental Protection Agency, the U.S. Fish and Wildlife Service, the North Carolina Wildlife Resources Commission, the North Carolina Division of Water Quality, the North Carolina Division of Coastal Management, and the National Marine Fisheries Service entered into an agreement to continue the In -Lieu Fee operations of the North Carolina Department of Natural Resources' Division of Mitigation Services (formerly Ecosystem Enhancement Program) with an effective date of 28 July, 2010, which supersedes and replaces the previously effective MOA and MOU referenced above; and WHEREAS, the acceptance of this instrument for and on behalf of the State of North Carolina was granted to the Department of Administration by resolution as approved by the Governor and Council of State adopted at a meeting held in the City of Raleigh, North Carolina, on the 8th day of February 2000; and WHEREAS, the Division of Mitigation Services in the Department of Environmental Quality, which has been delegated the authority authorized by the Governor and Council of State to the Department of Administration, has approved acceptance of this instrument; and NCDMS Full Delivery Conservation Easement Template adopted 5 May 2017 Page 2 of 11 WHEREAS, Grantor owns in fee simple certain real property situated, lying, and being in Township, County, North Carolina (the "Property"), and being more particularly described as that certain parcel of land containing approximately acres and being conveyed to the Grantor by deed as recorded in Deed Book at Page of the County Registry, North Carolina; and WHEREAS, Grantor is willing to grant a Conservation Easement and Right of Access over the herein described areas of the Property, thereby restricting and limiting the use of the areas of the Property subject to the Conservation Easement to the terms and conditions and purposes hereinafter set forth, and Grantee is willing to accept said Easement and Access Rights. The Conservation Easement shall be for the protection and benefit of the waters of if known insert name of stream, branch, river or waterway here. NOW, THEREFORE, in consideration of the mutual covenants, terms, conditions, and restrictions hereinafter set forth, Grantor unconditionally and irrevocably hereby grants and conveys unto Grantee, its successors and assigns, forever and in perpetuity, a Conservation Easement along with a general Right of Access. The Conservation Easement Area consists of the following: Tracts Number containing a total of acres as shown on the plats of survey entitled "Final Plat, Conservation Easement for North Carolina Division of Mitigation Services, Project Name: , SPO File No. , EEP Site No. , Property of ," dated , 20_ by name of surveyor, PLS Number and recorded in the County, North Carolina Register of Deeds at Plat Book Pages See attached "Exhibit A", Legal Description of area of the Property hereinafter referred to as the "Conservation Easement Area" The purposes of this Conservation Easement are to maintain, restore, enhance, construct, create and preserve wetland and/or riparian resources in the Conservation Easement Area that contribute to the protection and improvement of water quality, flood prevention, fisheries, aquatic habitat, wildlife habitat, and recreational opportunities; to maintain permanently the Conservation Easement Area in its natural condition, consistent with these purposes; and to prevent any use of the Easement Area that will significantly impair or interfere with these purposes. To achieve these purposes, the following conditions and restrictions are set forth: I. DURATION OF EASEMENT Pursuant to law, including the above referenced statutes, this Conservation Easement and Right of Access shall be perpetual and it shall run with, and be a continuing restriction upon the use of, the Property, and it shall be enforceable by the Grantee against the Grantor and against Grantor's heirs, successors and assigns, personal representatives, agents, lessees, and licensees. NCDMS Full Delivery Conservation Easement Template adopted 5 May 2017 Page 3 of 11 IL GRANTOR RESERVED USES AND RESTRICTED ACTIVITIES The Conservation Easement Area shall be restricted from any development or usage that would impair or interfere with the purposes of this Conservation Easement. Unless expressly reserved as a compatible use herein, any activity in, or use of, the Conservation Easement Area by the Grantor is prohibited as inconsistent with the purposes of this Conservation Easement. Any rights not expressly reserved hereunder by the Grantor have been acquired by the Grantee. Any rights not expressly reserved hereunder by the Grantor, including the rights to all mitigation credits, including, but not limited to, stream, wetland, and riparian buffer mitigation units, derived from each site within the area of the Conservation Easement, are conveyed to and belong to the Grantee. Without limiting the generality of the foregoing, the following specific uses are prohibited, restricted, or reserved as indicated: A. Recreational Uses. Grantor expressly reserves the right to undeveloped recreational uses, including hiking, bird watching, hunting and fishing, and access to the Conservation Easement Area for the purposes thereof. B. Motorized Vehicle Use. Motorized vehicle use in the Conservation Easement Area is prohibited except within a Crossing Area(s) or Road or Trail as shown on the recorded survey plat. C. Educational Uses. The Grantor reserves the right to engage in and permit others to engage in educational uses in the Conservation Easement Area not inconsistent with this Conservation Easement, and the right of access to the Conservation Easement Area for such purposes including organized educational activities such as site visits and observations. Educational uses of the property shall not alter vegetation, hydrology or topography of the site. D. Damage to Vegetation. Except within Crossing Area(s) as shown on the recorded survey plat and as related to the removal of non-native plants, diseased or damaged trees, or vegetation that destabilizes or renders unsafe the Conservation Easement Area to persons or natural habitat, all cutting, removal, mowing, harming, or destruction of any trees and vegetation in the Conservation Easement Area is prohibited. E. Industrial, Residential and Commercial Uses. All industrial, residential and commercial uses are prohibited in the Conservation Easement Area. F. Agricultural Use. All agricultural uses are prohibited within the Conservation Easement Area including any use for cropland, waste lagoons, or pastureland. G. New Construction. There shall be no building, facility, mobile home, antenna, utility pole, tower, or other structure constructed or placed in the Conservation Easement Area. H. Roads and Trails. There shall be no construction or maintenance of new roads, trails, walkways, or paving in the Conservation Easement. NCDMS Full Delivery Conservation Easement Template adopted 5 May 2017 Page 4 of 11 All existing roads, trails and crossings within the Conservation Easement Area shall be shown on the recorded survey plat. I. Signs. No signs shall be permitted in the Conservation Easement Area except interpretive signs describing restoration activities and the conservation values of the Conservation Easement Area, signs identifying the owner of the Property and the holder of the Conservation Easement, signs giving directions, or signs prescribing rules and regulations for the use of the Conservation Easement Area. J. Dumping or Storing. Dumping or storage of soil, trash, ashes, garbage, waste, abandoned vehicles, appliances, machinery, or any other material in the Conservation Easement Area is prohibited. K. Grading, Mineral Use, Excavation, Dredging. There shall be no grading, filling, excavation, dredging, mining, drilling, hydraulic fracturing; removal of topsoil, sand, gravel, rock, peat, minerals, or other materials. L. Water Quality and Drainage Patterns. There shall be no diking, draining, dredging, channeling, filling, leveling, pumping, impounding or diverting, causing, allowing or permitting the diversion of surface or underground water in the Conservation Easement Area. No altering or tampering with water control structures or devices, or disruption or alteration of the restored, enhanced, or created drainage patterns is allowed. All removal of wetlands, polluting or discharging into waters, springs, seeps, or wetlands, or use of pesticide or biocides in the Conservation Easement Area is prohibited. In the event of an emergency interruption or shortage of all other water sources, water from within the Conservation Easement Area may temporarily be withdrawn for good cause shown as needed for the survival of livestock on the Property. M. Subdivision and Conveyance. Grantor voluntarily agrees that no further subdivision, partitioning, or dividing of the Conservation Easement Area portion of the Property owned by the Grantor in fee simple ("fee") that is subject to this Conservation Easement is allowed. Any future transfer of the Property shall be subject to this Conservation Easement and Right of Access and to the Grantee's right of unlimited and repeated ingress and egress over and across the Property to the Conservation Easement Area for the purposes set forth herein. N. Development Rights. All development rights are permanently removed from the Conservation Easement Area and are non-transferrable. O. Disturbance of Natural Features. Any change, disturbance, alteration or impairment of the natural features of the Conservation Easement Area or any intentional introduction of non- native plants, trees and/or animal species by Grantor is prohibited. The Grantor may request permission to vary from the above restrictions for good cause shown, provided that any such request is not inconsistent with the purposes of this Conservation Easement, and the Grantor obtains advance written approval from the Division of Mitigation Services, 1652 Mail Services Center, Raleigh, NC 27699-1652. NCDMS Full Delivery Conservation Easement Template adopted 5 May 2017 Page 5 of 11 III. GRANTEE RESERVED USES A. Right of Access, Construction, and Inspection. The Grantee, its employees and agents, successors and assigns, receive a perpetual Right of Access to the Conservation Easement Area over the Property at reasonable times to undertake any activities on the property to restore, construct, manage, maintain, enhance, protect, and monitor the stream, wetland and any other riparian resources in the Conservation Easement Area, in accordance with restoration activities or a long-term management plan. Unless otherwise specifically set forth in this Conservation Easement, the rights granted herein do not include or establish for the public any access rights. B. Restoration Activities. These activities include planting of trees, shrubs and herbaceous vegetation, installation of monitoring wells, utilization of heavy equipment to grade, fill, and prepare the soil, modification of the hydrology of the site, and installation of natural and manmade materials as needed to direct in -stream, above ground, and subterraneous water flow. C. Signs. The Grantee, its employees and agents, successors or assigns, shall be permitted to place signs and witness posts on the Property to include any or all of the following: describe the project, prohibited activities within the Conservation Easement, or identify the project boundaries and the holder of the Conservation Easement. D. Fences. Conservation Easements are purchased to protect the investments by the State (Grantee) in natural resources. Livestock within conservations easements damages the investment and can result in reductions in natural resource value and mitigation credits which would cause financial harm to the State. Therefore, Landowners (Grantor) with livestock are required to restrict livestock access to the Conservation Easement area. Repeated failure to do so may result in the State (Grantee) repairing or installing livestock exclusion devices (fences) within the conservation area for the purpose of restricting livestock access. In such cases, the landowner (Grantor) must provide access to the State (Grantee) to make repairs. E. Crossing Area(s). The Grantee is not responsible for maintenance of crossing area(s), however, the Grantee, its employees and agents, successors or assigns, reserve the right to repair crossing area(s), at its sole discretion and to recover the cost of such repairs from the Grantor if such repairs are needed as a result of activities of the Grantor, his successors or assigns. IV. ENFORCEMENT AND REMEDIES A. Enforcement. To accomplish the purposes of this Conservation Easement, Grantee is allowed to prevent any activity within the Conservation Easement Area that is inconsistent with the purposes of this Conservation Easement and to require the restoration of such areas or features in the Conservation Easement Area that may have been damaged by such unauthorized activity or use. Upon any breach of the terms of this Conservation Easement by Grantor, the Grantee shall, except as provided below, notify the Grantor in writing of such breach and the Grantor shall have ninety (90) days after receipt of such notice to correct the damage caused by such breach. If the breach and damage remains uncured after ninety (90) days, the Grantee may enforce this Conservation Easement by bringing appropriate legal proceedings including an action to recover damages, as well as injunctive and other relief. The Grantee shall also have the NCDMS Full Delivery Conservation Easement Template adopted 5 May 2017 Page 6of11 power and authority, consistent with its statutory authority: (a) to prevent any impairment of the Conservation Easement Area by acts which may be unlawful or in violation of this Conservation Easement; (b) to otherwise preserve or protect its interest in the Property; or (c) to seek damages from any appropriate person or entity. Notwithstanding the foregoing, the Grantee reserves the immediate right, without notice, to obtain a temporary restraining order, injunctive or other appropriate relief, if the breach is or would irreversibly or otherwise materially impair the benefits to be derived from this Conservation Easement, and the Grantor and Grantee acknowledge that the damage would be irreparable and remedies at law inadequate. The rights and remedies of the Grantee provided hereunder shall be in addition to, and not in lieu of, all other rights and remedies available to Grantee in connection with this Conservation Easement. B. Inspection. The Grantee, its employees and agents, successors and assigns, have the right, with reasonable notice, to enter the Conservation Easement Area over the Property at reasonable times for the purpose of inspection to determine whether the Grantor is complying with the terms, conditions and restrictions of this Conservation Easement. C. Acts Beyond Grantor's Control. Nothing contained in this Conservation Easement shall be construed to entitle Grantee to bring any action against Grantor for any injury or change in the Conservation Easement Area caused by third parties, resulting from causes beyond the Grantor's control, including, without limitation, fire, flood, storm, and earth movement, or from any prudent action taken in good faith by the Grantor under emergency conditions to prevent, abate, or mitigate significant injury to life or damage to the Property resulting from such causes. D. Costs of Enforcement. Beyond regular and typical monitoring expenses, any costs incurred by Grantee in enforcing the terms of this Conservation Easement against Grantor, including, without limitation, any costs of restoration necessitated by Grantor's acts or omissions in violation of the terms of this Conservation Easement, shall be borne by Grantor. E. No Waiver. Enforcement of this Easement shall be at the discretion of the Grantee and any forbearance, delay or omission by Grantee to exercise its rights hereunder in the event of any breach of any term set forth herein shall not be construed to be a waiver by Grantee. V. MISCELLANEOUS A. This instrument sets forth the entire agreement of the parties with respect to the Conservation Easement and supersedes all prior discussions, negotiations, understandings or agreements relating to the Conservation Easement. If any provision is found to be invalid, the remainder of the provisions of the Conservation Easement, and the application of such provision to persons or circumstances other than those as to which it is found to be invalid, shall not be affected thereby. B. Grantor is responsible for any real estate taxes, assessments, fees, or charges levied upon the Property. Grantee shall not be responsible for any costs or liability of any kind related to the ownership, operation, insurance, upkeep, or maintenance of the Property, except as expressly provided herein. Upkeep of any constructed bridges, fences, or other amenities on the Property are the sole responsibility of the Grantor. Nothing herein shall relieve the Grantor of the NCDMS Full Delivery Conservation Easement Template adopted 5 May 2017 Page 7 of 11 obligation to comply with federal, state or local laws, regulations and permits that may apply to the exercise of the Reserved Rights. C. Any notices shall be sent by registered or certified mail, return receipt requested to the parties at their addresses shown herein or to other addresses as either party establishes in writing upon notification to the other. D. Grantor shall notify Grantee in writing of the name and address and any party to whom the Property or any part thereof is to be transferred at or prior to the time said transfer is made. Grantor further agrees that any subsequent lease, deed, or other legal instrument by which any interest in the Property is conveyed is subject to the Conservation Easement herein created. E. The Grantor and Grantee agree that the terms of this Conservation Easement shall survive any merger of the fee and easement interests in the Property or any portion thereof. F. This Conservation Easement and Right of Access may be amended, but only in writing signed by all parties hereto, or their successors or assigns, if such amendment does not affect the qualification of this Conservation Easement or the status of the Grantee under any applicable laws, and is consistent with the purposes of the Conservation Easement. The owner of the Property shall notify the State Property Office and the U.S. Army Corps of Engineers in writing sixty (60) days prior to the initiation of any transfer of all or any part of the Property or of any request to void or modify this Conservation Easement. Such notifications and modification requests shall be addressed to: Division of Mitigation Services Program Manager NC State Property Office 1321 Mail Service Center Raleigh, NC 27699-1321 and General Counsel US Army Corps of Engineers 69 Darlington Avenue Wilmington, NC 28403 G. The parties recognize and agree that the benefits of this Conservation Easement are in gross and assignable provided, however, that the Grantee hereby covenants and agrees, that in the event it transfers or assigns this Conservation Easement, the organization receiving the interest will be a qualified holder under N.C. Gen. Stat. § 121-34 et seq. and § 170(h) of the Internal Revenue Code, and the Grantee further covenants and agrees that the terms of the transfer or assignment will be such that the transferee or assignee will be required to continue in perpetuity the conservation purposes described in this document. NCDMS Full Delivery Conservation Easement Template adopted 5 May 2017 Page 8 of 11 VI. QUIET ENJOYMENT Grantor reserves all remaining rights accruing from ownership of the Property, including the right to engage in or permit or invite others to engage in only those uses of the Conservation Easement Area that are expressly reserved herein, not prohibited or restricted herein, and are not inconsistent with the purposes of this Conservation Easement. Without limiting the generality of the foregoing, the Grantor expressly reserves to the Grantor, and the Grantor's invitees and licensees, the right of access to the Conservation Easement Area, and the right of quiet enjoyment of the Conservation Easement Area, TO HAVE AND TO HOLD, the said rights and easements perpetually unto the State of North Carolina for the aforesaid purposes, AND Grantor covenants that Grantor is seized of said premises in fee and has the right to convey the permanent Conservation Easement herein granted; that the same is free from encumbrances and that Grantor will warrant and defend title to the same against the claims of all persons whomsoever. NCDMS Full Delivery Conservation Easement Template adopted 5 May 2017 Page 9 of 11 IN TESTIMONY WHEREOF, the Grantor has hereunto set his hand and seal, the day and year first above written. (SEAL) NORTH CAROLINA COUNTY OF I, , a Notary Public in and for the County and State aforesaid, do hereby certify that , Grantor, personally appeared before me this day and acknowledged the execution of the foregoing instrument. IN WITNESS WHEREOF, I have hereunto set my hand and Notary Seal this the day of , 20. Notary Public My commission expires: NCDMS Full Delivery Conservation Easement Template adopted 5 May 2017 Page 10 of 11 Exhibit A [INSERT LEGAL DESCRIPTION] NCDMS Full Delivery Conservation Easement Template adopted 5 May 2017 Page 11 of 11 Appendix D —Credit Release Schedule CREDIT RELEASE SCHEDULE All credit releases will be based on the total credit generated as reported in the approved final mitigation plan, unless there are major discrepancies and then a mitigation plan addendum will be submitted. Under no circumstances shall any mitigation project be debited until the necessary Department of the Army (DA) authorization has been received for its construction or the District Engineer (DE) has otherwise provided written approval for the project in the case where no DA authorization is required for construction of the mitigation project. The DE, in consultation with the IRT, will determine if performance standards have been satisfied sufficiently to meet the requirements of the release schedules below. In cases where some performance standards have not been met, credits may still be released depending on the specifics of the case. Monitoring may be required to be restarted or be extended, depending on the extent to which the site fails to meet the specified performance standard. The release of project credits will be subject to the criteria described as follows in Table D1. Table D1. Stream Credit Release Schedule Credit Interim Total Release Release Activity Release Release Milestone 0 Initial Allocation — see requirements below 30% 30% 1 First year monitoring report demonstrates performance 10% 40% standards are being met 2 Second year monitoring report demonstrates 10% 50% performance standards are being met 3 Third year monitoring report demonstrates performance 10% 60% standards are being met 4 Fourth year monitoring report demonstrates performance 65% standards are being met .5% (75%**) 5 Fifth year monitoring report demonstrates performance 10% 75%* standards are being met (85%**) Sixth year monitoring report demonstrates performance 5% 80%* 6* standards are beingmet 90% 7 Seventh year monitoring report demonstrates 90% performance standards are being met and project has 10% (100%**) received closeout approval *Please note that vegetation data may not be required with monitoring reports submitted during these monitoring years unless otherwise required by the Mitigation Plan or directed by the IRT. **10% reserve of credits to be held back until the bankfull event performance standard has been met. Initial Allocation of Released Credits The initial allocation of released credits, as specified in the mitigation plan, can be released by DMS without prior written approval of the DE upon satisfactory completion of the following activities: 1) Approval of the final Mitigation Plan. 2) Recordation of the preservation mechanism, as well as a title opinion acceptable to the USACE covering the property. 3) Completion of project construction (the initial physical and biological improvements to the mitigation site) pursuant to the mitigation plan; per the DMS Instrument, construction means that a mitigation site has been constructed in its entirety, to include planting, and an as -built report has been produced. As -built reports must be sealed by an engineer prior to project closeout, if appropriate but not prior to the initial allocation of released credits. 4) Receipt of necessary DA permit authorization or written DA approval for projects where DA permit issuance is not required. Subsequent Credit Releases All subsequent credit releases must be approved by the DE, in consultation with the IRT, based on a determination that required performance standards have been achieved. For stream projects a reserve of 10% of a site's total stream credits shall be released after four bankfull events have occurred, in separate years, provided the channel is stable and all other performance standards are met. In the event that less than four bankfall events occur during the monitoring period, release of these reserve credits shall be at the discretion of the IRT. As projects approach milestones associated with credit release, DMS will submit a request for credit release to the DE along with documentation substantiating achievement of criteria required for release to occur. This documentation will be included with the annual monitoring report. Appendix E —Financial Assurance FINANCIAL ASSURANCE Pursuant to Section IV H and Appendix III of the NCDEQ DMS (formerly Ecosystem Enhancement Program) In -Lieu Fee Instrument dated July 28, 2010, the North Carolina Department of Environmental Quality (NCDEQ) has provided the USACE-Wilmington District with a formal commitment to fund projects to satisfy mitigation requirements assumed by NCDEQ DMS. This commitment provides financial assurance for all mitigation projects implemented by the program. Appendix F —Maintenance Plan MAINTENANCE PLAN The site will be monitored on a regular basis and a physical inspection will be conducted a minimum of once per year throughout the post construction monitoring period until performance standards are met. These site inspections may identify site components and features that require routine maintenance. Routine maintenance should be expected most often in the first two years following site construction and may include the following: Fl. Maintenance Plan Component/Feature Maintenance through project close-out Stream Routine channel maintenance and repair activities may include chinking of in -stream structures to prevent piping, securing of loose coir matting, and supplemental installations of live stakes and other target vegetation along the channel. Areas where stormwater and floodplain flows intercept the channel may also require maintenance to prevent bank failures and head -cutting. Stream maintenance activities will be documented and reported in annual monitoring reports. Stream maintenance will continue through the monitoring period. Wetland N/A Vegetation Vegetation shall be maintained to ensure the health and vigor of the targeted plant community. Routine vegetation maintenance and repair activities may include supplemental planting, pruning, mulching, and fertilizing. Exotic invasive plant species shall be treated by mechanical and/or chemical methods. Any vegetation requiring herbicide application will be performed in accordance with NC Department of Agriculture (NCDA) rules and regulations. Vegetation maintenance activities will be documented and reported in annual monitoring reports. Vegetation maintenance will continue through the monitoring period. Site Boundary Site boundaries shall be identified in the field to ensure clear distinction between the mitigation site and adjacent properties. Boundaries will be marked with signs identifying the property as a mitigation site, and will include the name of the long-term steward and a contact number. Boundaries may be identified by fence, marker, bollard, post, tree -blazing, or other means as allowed by site conditions and/or conservation easement. Boundary markers disturbed, damaged, or destroyed will be repaired and/or replaced on an as -needed basis. Easement monitoring and staking/signage maintenance will continue in perpetuity as a stewardship activity. Road Crossing Road crossings within the site may be maintained only as allowed by conservation easement or existing easement, deed restrictions, rights of way, or corridor agreements. Crossings in easement breaks are the responsibility of the landowner to maintain. Livestock Fencing Livestock fencing is to be placed outside the easement limits. Maintenance of fencing is the responsibility of the landowner. Component/Feature Maintenance through project close-out Beaver Routine site visits and monitoring will be used to determine if beaver management is needed. If beaver activity poses a threat to project stability or vegetative success, RES will trap beavers and remove impoundments as needed. All beaver management activities will be documented and included in annual monitoring reports. Beaver monitoring and management will continue through the monitoring period. Appendix G — DWR Stream Identification Forms NC DWQ Stream Identification Form Summary 9.5 REACH JN2 JN3 MC1-A & MCI -B MC1-C MC3 BS1 A. Geomorphology (Subtotal =) 19.5 22 21.5 28 25 16.5 1 a. Continuity of channel bed and bank 2 3 2 3 3 2 2. Sinuosity of channel along thalweg 3 2 2 3 3 2 3. In -channel structure: ex. riffle -pool, step -pool, ripple -pool 3 3 3 3 3 2 4. Particle size of stream substrate 3 3 3 3 3 2 5. Active/relict floodplain 2 3 3 3 3 0 6. Depositional bars or benches 2 3 2 3 2 2 7. Recent alluvial deposits 2 2 1 3 2 2 8. Headcuts 1 0 0 2 1 2 9. Grade control 1 1.5 1.5 0.5 1 1 10. Natural valley 0.5 1.5 1 1.5 1 1.5 11. Second or greater order channel 0 0 3 3 3 0 B. Hydrology (Subtotal =) 8 9.5 7.5 9.5 10.5 10 12. Presence of Baseflow 2 3 3 3 3 3 13. Iron oxidizing bacteria 0 0 0 0 1 1 14. Leaf litter 1 1.5 0.5 1.5 1.5 0.5 15. Sediment on plants or debris 1 1 0.5 1 1 1 16. Organic debris lines or piles 1 1 0.5 1 1 1.5 17. Soil -based evidence of high water table? 3 3 3 3 3 3 C. Biology (Subtotal =) 8.5 7.5 4 6 8.5 6 18. Fibrous roots in streambed 3 3 0 3 3 3 19. Rooted upland plants in streambed 3 3 0 3 3 3 20. Macrobenthos (note diversity and abundance) 1 1 2 0 2 0 21. Aquatic Mollusks 0 0 1 0 0 0 22. Fish 0 0.5 0.5 0 0.5 0 23. Crayfish 1 0 0.5 0 0 0 24. Amphibians 0.5 0 0 0 0 0 25. Algae 0 0 0 0 0 0 26. Wetland plants in streambed 0 0 0 0 0 0 Total Points (Subtotal=) 36 39 33 43.5 44 32.5 NC DWQ Stream Identification Form Version 4.11 Date: Project/Site: D �ti_( r; Latitude: Evaluator: C � County: Longitude: . r 1 2 Total Points: Stream Determinate (circle one) Other Stream is at least intermittent Ephemeral Intermittent Perennial e.g. Quad Name: if y 19 or perennial if z 30` 0 1 Irfr� A. Geomorphology (Subtotal = r! 7+) Absent Weak Moderate Strong 1"Continuity of channel bed and bank 0 1 2 3 2. Sinuosity of channel along thalweg 0 1 0.5 0 3. In -channel structure: ex. riffle -pool, step -pool, ripple -pool sequence 0 1 2 3 4. Particle size of stream substrate 0 1 2 1.5 5. Active/relict floodplain 0 1 2 es = s 6. Depositional bars or benches 0 1 1 3 7. Recent alluvial deposits 0 0.5 1 3 B. Headcuts 0 1 2 3 9. Grade control 0 1 1.5 10. Natural valley 0 0.5 1 1.5 11. Second or greater order channel No = Yes = 3 Sketch: artificial ditches are not rated; see discus ions in manual B. Hydroloqy (Subtotal = ) 12. Presence of Baseflow 0 1 2 3 13. Iron oxidizing bacteria 1 2 3 14. Leaf litter 1.5 17 1 0.5 0 15. Sediment on plants or debris 0 0.5 1 1.5 16. Organic debris lines or piles 0 0.5 1 1.5 17. Soil -based evidence of high water table? 0 No = 0 1 es = s C. Biolocty (Subtotal = Y, S ) 18. Fibrous roots in streambed 3 2 1 0 19. Rooted upland plants in streambed 2 1 0 20. Macrobenthos (note diversity and abundance) 1 2 3 21. Aquatic Mollusks 1 2 3 22. Fish 0 0.5 1.5 23. Crayfish 0 0.5 1 1.5 24. Amphibians 0 0.5 1 1.5 25. Algae 0 0.5 1 1.5 26. Wetland plants in streambed FACW = 0.75; OBL = 1.5 ther = 'perennial streams may also be identified using other methods. See p. 35 of manual. Notes: Sketch: NC DWQ Streams Identification Form Version 4.11 Date: t. % p / Project/Site: �G �f is tn' Latitude: Evaluator: { ;; ASF County: le Longitude: Total Points: C e Stream Determinon (circle one) Other Stream is at least intermittent 1 1 Ephemeral Intermittent Perennial e.g. Quad Name: if _> 19 or perennial if ? 30' 2 3 A. Geomorphology (Subtotal= 0( ) Absent Weak Moderate Strong 1 a' Continuity of channel bed and bank 0 1 2 3 2. Sinuosity of channel along thalweg 0 1 2 3 3. In -channel structure: ex. riffle -pool, step -pool, ripple -pool sequence 0 1 23 3 4. Particle size of stream substrate 0 1 2 3 5. Active/relict floodplain 0 1 2 1.5 6. Depositional bars or benches 0 1 2 1.5 7. Recent alluvial deposits 0 1 2 1.5 8. Headcuts ko 1 2 3 9. Grade control 0 0.5 1 1.5 10. Natural valley 0 0.5 1 1. 11. Second or greater order channel No = 0 Yes = 3 Sketch: a artificial ditches are not rated; see dicussions in manual B. Hydrology Subtotal = 12. Presence of Baseflow 0 1 2 13. Iron oxidizing bacteria ' 1 2 3 14. Leaf litter 1. 1 0.5 0 15. Sediment on plants or debris 0 0.5 i 1.5 16. Organic debris lines or piles 0 0.5 i 1 __,.� 1.5 17. Soil -based evidence of high-water table? No =0 Yes C. Biology (Subtotal = a,S ) 1'__1_1 18. Fibrous roots in streambed 3 2 1 0 19. Rooted upland plants in streambed 3 2 1 0 20. Macrobenthos (note diversity and abundance) it 1 ) 2 3 21. Aquatic Mollusks b ' 1 2 3 22, Fish 0 0. 1 1.5 23, Crayfish 0'e 0.5 1 1.5 24, Amphibians 0.5 1 1.5 25. Algae 0 0.5 1 1.5 26, Wetland plants in streambed FACW = 0.75, OBL = 1.5 (}they = `perennial streams may also be identified using other methods. See p. 35 of manual. Notes: Sketch: NC DWO Stream Identification Form Version 4.11 Date:jo tcca Project/Site: ,' [ F Latitude: Evaluator: ? County: ����� Longitude: Total Points: - - Stream Determination (circle or" Other � r�Ltf Stream is at least intermittent Ephemeral Intermittent Perenni t e.g. Quad Name: if -1 19 or perennial if>_ 30' 2 3 A. Geomorphology (Subtotal= - ) Absent Weak Moderate Strong 1' Continuity of channel bed and bank 0 1 2 3 2. Sinuosity of channel along thalweg 0 1 2 3 3. In -channel structure: ex. riffle -pool, step -pool, ripple -pool sequence 0 1 2 3 - 4. Particle size of stream substrate 0 1 2 3 ; 5. Active/relict floodplain 0 1 2 3 6. Depositional bars or benches 0 1 2- 3 7. Recent alluvial deposits 0 1 2 3 8. Headcuts 0 1 2 3„ 9. Grade control 0 0.5 Notes: /C -f-0 - r' _ 1.5 ! 10. Natural valley 0 0.5 _ ` 1.5 11. Second or greater order channel No = 0 Yes = 3 artificial ditches are not rated; see discussions in manual - B. Hydrology {Subtotal = r 12. Presence of Baseflow 0 1 2 3 13. Iron oxidizing bacteria 0 1 3 14. Leaf litter 1.5 1 0.5 0 15. Sediment on plants or debris 0 0.5- 1 1.5 16, Organic debris lines or piles 0 0.5 1 1.5 17. Soil -based evidence of high water table? 0 No = 0 Yes= 3 . C. Biolopv (Subtotal = 18. Fibrous roots in streambed 3 2 1 0 19. Rooted upland plants in streambed 3 2 1 0' 20. Macrobenthos (note diversity and abundance) 0 1 2 3 21. Aquatic Mollusks 0 11 ' 2 3 22. f=ish 0 0.5 1 1.5 23. Crayfish 9.. 0.5. 1 1.5 24. Amphibians 0 0.5 1 1.5 25. Algae 0,t 0.5 1 1.5 26. Wetland plants in streambed FACW = 0.75; OBL = 1.5 Other = 0 'perennial streams may also be identified using other methods. See p. 35 of manual. Notes: /C -f-0 - r' _ -t ! !LAr^r•ra., Sketch: I NC DWO Stream Identification Form Version 4.11 01 C, i C Date:�✓ ProjectfSite: '� /7" fr`� Latitude: Evaluator: Ca,(- Col County: u i Longitude: Total Points: Stream is at least intermittent '�5 Stream Determination (circle one) Other if >_ 19 or perennial if 2t 90'4 Ephemeral Intermittent Perennial e.g. Quad Name: A. Geomorphology (Subtotal Absent Weak Moderate Str ng 1' Continuity of channel bed and bank 0 1 2 2. Sinuosity of channel along thalweg 0 1 2 3. In -channel structure: ex. riffle -pool, step -pool, ripple -pool sequence 0 1 2 3 4_ Particle size of stream substrate 0 1 2 3 5. Active/relict floodplain 0 1 2 6. Depositional bars or benches 0 1 2 7. Recent alluvial deposits 0 1 2 8. Headcuts 0 1 9. Grade control D 0. 1 1 10. Natural valley 0 11. Second or greater order channel No = 0 Yes = aartificial ditches are not rated; seeus 'ons in manual B. Hvdroloav (Subtotal = ! IT ] 12. Presence of Baseflow 0 1 2 3 13. Iron oxidizing bacteria 1 1 2 3 14. Leaf litter 5 1 1 0 15. Sediment on plants or debris D 0.5 1 1.5 16. Organic debris lines or piles 0 0.5 1) 1.5 17. Soil -based evidence of high water table? 1 No = 0 Yes= 3 0.5 C. Biology (Subtotal= l _R ) .. 18. Fibrous roots in streambed 3 2 1 0 19. Rooted upland plants in streambed 2 1 0 20. Macrobenthos (note diversity and abundance) , 0 1 2 3 21. Aquatic Mollusks 1 2 3 22. Fish 0.5 1 1.5 23. Crayfish 0.5 1 1.5 24. Amphibians 0.5 1 1.5 25, Algae 0 0.5 1 1.5 26. Wetland plants in streambed FACW = 0.75; OBI = 1.5 Other 10 `perennial streams may also be identified using other methods. See p. 35 of manual. Note& Sketch: NC DWQ Stream Identification Form Version 4.11 WC 3 Date: , 3 ProjectlSite: Ll M4 r, Latitude: Evaluator: 1 County: S Longitude: 0 1 2 Total Points: Stream Determination (circle one) Other Stream is at least intermittent Ephemeral Intermittent Perennial e.g. Quad Name: if? 19 orperennial if z 30' 0 1 A. Geomorphology (Subtotal = '5"1 3 ) Absent Weak Moderate Strong 1"Continuity of channel bed and bank 0 1 2 3 2. Sinuosity of channel along thalweg 0 1 2 1 3. In -channel structure: ex. riffle -pool, step -pool. sequence 0 1 2 3 -ripple-pool 4. Particle size of stream substrate 0 1 2 3 5. Activelrelict floodplain 0 1 2 3 6. Depositional bars or benches 0 1 2 3 7. Recent alluvial deposits 0 1 2 3 8. Headcuts 0 (1)2 3 9. Grade control 0 Tt Sketch: co 1.5 10. Natural valley 0 0.5 1 1.5 11. Second or greater order channel No = 0 es = 3 a artificial ditches are not rated; see discussions in manual B. Hydroloqy (Subtotal= 12. Presence of Baseflow 0 1 2 3 13. Iron oxidizing bacteria 1) 2 3 14. Leaf litter 1.5 1 0.5 0 15. Sediment on plants or debris 0.5 1 1.5 16. Organic debris lines or piles 0 0.5 1 1.5 17. Soil -based evidence of high water table? No = 0 es 1.5 C. Biology (Subtotal= ) 18. Fibrous roots in streambed 3 2 1 0 19. Rooted upland plants in streambed 2 1 0 20. Macrobenthos (note diversity and abundance) 0 1 2 3 21. Aquatic Mollusks 1 2 3 22. Fish 0.5 1 1,5 23. Crayfish 5 1 1.5 24. Amphibians 0.5 1 1.5 25. Algae 0 0.5 1 1.5 26. Wetland plants in streambed FACW = 0.75; OBL = 1.5�Other - 0 .perennial streams may also be identified using other methods. See p. 35 of manual. Notes: Sketch: co NC DWO Stream Identification Form Version 4.11 E l Date: L_ p Project/Site: L!L[, Latitude: Evaluator: �'r County:., Longitude: Total Points: Stream Determin on (circle one) Other Stream is at least intermittent if >_ 19 or perennial if y 30" a Ephemeral Intermittent Perennial p e. Quad Name: 9' Fm A. Georrlo holo (Subtotal = !L ) Absent Weak Moderate Strong 12,Continuity of channel bed and bank 0 1 2 3 2. Sinuosity of channel along thalweg 0 1 2 3 3. In -channel structure: ex. riffle -pool, step -pool, ri le- ool sequence 0 1 v 3 4. Particle size of stream substrate 0 1 2 3 5. Active/relict floodplain 707- 1 2 3 6. Depositional bars or benches 0 1 2 3 7. Recent alluvial deposits 0 1 2 3 8. Headcuts 0 1 3 9. Grade control 0 0.5 1 1.5 10. Natural valley 0 0.5 1 1.5 11. Second or greater order channel No = 0 Yes = 3 artificial ditches are not rated; see discussions in manual B. Hvdroloav (Subtotal = 10 ) 12. Presence of Baseflow 0 1 2 3 13. Iron oxidizing bacteria 0 1 2 3 14. Leaf litter 1.5 1 . _5s 0 15. Sediment on plants or debris o 0.5 d 1.5 16. Organic debris lines or piles 0 1 0.5 1 1. 17. Soil -based evidence of high water table? No = 0 Yes = 3 C. Bioloav (Subtotal = 1 0 ) 1 B. Fibrous roots in streambed 2 1 0 19. Rooted upland plants in streambed 2 1 0 20. Macrobenthos (note diversity and abundance) 1 2 3 21. Aquatic Mollusks Iq 1 2 3 22, Fish 0.5 1 1.5 23. Crayfish 0.5 1 1.5 24. Amphibians 0.5 1 1.5 25. Algae 0 0"5 1 1.5 26. Wetland plants in streambed FACW = 0.75; OBL = 1.5 they = 'perennial streams may also be identified using other methods. See p. 35 of manual. Notes: Sketch: Appendix H — USACE District Assessment Forms M M N M Oi Lf) 0 M Ln Lf) M LO N Lf) M Nt N Ln LD LC) a mM N O O O O O N N M M 'IT M O O O U) m a r M In N O O — O O — M V O O O N N V M O O O � 00 M U m N co O co N O V N V N co N N Ln T N V N O N N U U V O C:) O O V O O N �— V O V O O V N O O N 00 r U N N N M N O N N "t N N N N M M V O M aLn V co O co O M M Ln V Ln V M Ln Ln M M V co N N E cn m � Q� N% N N N N V V V N N V N N "t M O O N Z i' N Y Q L O cn Z V N M O V N N N N V M V co co V N N co O O ` 5 0 Gi N M O N O M N O N N N N N — N N N O M O O O Z E N N yZ co Ln N N O M O N N N O N N N N M N co O O N Q' i+ •M m N M Ln N M N N N — N N M V N M M M M M O O N E Q iQ Z M Ln V V M V O N O N V LO V N M V N O O N L � V/ E O (6 a5 U co cn U cn N 70 'O O O N Y C Y U OO Q -0C a) O a) '6 co a5 O w O N m E co cn N C a) cu v ns O o C 3 w C c N Y C o a) o > — n o_ N C a = a) T � L 7 Z5 E c a) t — n ns c w �_ x a> > L �_ O_ co Co O O N C _O a) Q U (D a) U1 fn � O N Q a) >o � C O_ _ 3 n t N amici o 'D o o U co c N c m o c c c c o 23 O Q aa) E ) E co O 3 o c • U) c m L j : co =o m N 4 o '6 .� '6 Q o E ca 0 m 0 C 0 o fn co CO` U c rn 3 ° co _ c c 'L N U .3 E c 'co 0) � . Eo O 0 o a o `o -0-0 o aa) o cco a� > o o E o > m o c m c C Q a) U U U O O N d =w> C U O C CU UN 0f a) (D >, -0N N O O D_ w w a �_ °E aQN Cw cow d N M V Ln c0 I— 00 O O N V c0 00 O N N N NQ) M !eO!SALld A3!I!ge3S ;ej!geH ABO!O!g M M N M Oi Lf) 0 M Ln Lf) M LO N Lf) M Nt N Ln LD LC) Site: Little Sebastian Date: April 30, 2018 Evaluator: CC J N2- 4 STREAM QUALITY ASSESSMENT WORKSHEET * These characteristics are not assessed in coastal streams # Presence of adjacent floodplain ECOREGION POINT RANGE no flood lain = 0; extensive floodplain = max ints CHARACTERISTICS SCORE Coastal Piedmont Mountain Entrenchment / floodplain access 0— 5 0 4 0— 2 0 Presence of flow 1 persistent pools in stream (deeply entrenched = 0; frequent flooding = max ints 8 1 (no flow or saturation = 0; strong flow = maxpoints) 0-5 0-2 0-4 0-5 (no wetlands = 0; large adjacent wetlands = max points)0-6 2 Evidence of past human alteration 0-6 0-5 Channel sinuosity 0-5 0— 4 0-3 extensive alteration = 0; no alteration = maxpoints) extensive channelization = 0; natural meander = max rots 3 Riparian zone 0-6 0 — 4 0-5 I no buffer — 0; contiguous, wide buffer = max rots 7 4 Evidence of nutrient or chemical discharges 0-5 0-5 0-4 0-4 fine, homogenous = 0; large, diverse sizes = maxpoints) extensive discharges = 0; no discharges — maxpoints) 12 Evidence of channel incision or widening y 5 Groundwater discharge 0 — 4 0-4 (no discharge = 0; springs, see s, wetlands, etc. = max oints)0-3 13 Presence of major bank failures 0--5 0-5 0-5 * These characteristics are not assessed in coastal streams 6 Presence of adjacent floodplain 0_ q ri4 no flood lain = 0; extensive floodplain = max ints 0— 4 0— 2 7 Entrenchment / floodplain access 0— 5 0 4 0— 2 0 (deeply entrenched = 0; frequent flooding = max ints 8 Presence of adjacent wetlands 0 — 4 0-2 r` (no wetlands = 0; large adjacent wetlands = max points)0-6 V 9 Channel sinuosity 0-5 0— 4 0-3 extensive channelization = 0; natural meander = max rots 10 Sediment input 0-5 0-4 0-4 extensive deposition— 0; little or no sediment = maxpoints) I I Size 8& diversity of channel bed substrate NA* 0-4 0-5 fine, homogenous = 0; large, diverse sizes = maxpoints) 12 Evidence of channel incision or widening 0-5 0-4 0-5 dee 1 incised = 0; stable bed & banks = max rots —1 13 Presence of major bank failures 0--5 0-5 0-5 S (severe erosion = 0; no erosion, stable banks = maxpoints) 14 Root depth and density on banks 0-3 0-4 0-5 E no visible roots = 0; dense roots throughout = maxpoints) 15 Impact by agriculture, livestock, or timber production 0-5 0-4 l J substantial impact =0; no evidence = max points 0 — 5 `7 16 Presence of riffle-poeUripple-pool complexes 0-3 0-5 0-6 no riffles/ripples or pools = 0; well-developed = max oints 17 Habitat complexity 0-6 0-6 0-6 (little or no habitat = 0; frequent, varied habitats = maxpoints) 18 Canopy coverage over streambed 0-5 0 — 5 0-5 no shadingvegetation = 0; continuous canopy= max points) 19 Substrate embeddedness 0-4 0 4 (deeply embedded = 0; loose structure _ max)NA* 20 Presence of stream invertebrates (see page 4) 0-4 0-5 0-5 no evidence = 0; common numerous types = maxpoints) 21 Presence of amphibians 0-4 0-4 0-4 1 dno evidence = 0; common, numerous es = max points) O 22 Presence of fish 0-4 0-4 0-4 no evidence = 0; common, numerous types = max poinis) 23 Evidence of wildlife use 0 6 0 5 0-5 no evidence = 0; abundant evidence = max ints Total Points Possible 100 100 100 TOTAL SCORE (also enter on first page) * These characteristics are not assessed in coastal streams Site: Little Sebastian Date: April 30, 2018 Evaluator: CC 1 N7. --Q STREAM QUALITY ASSESSMENT WORKSHEET * These characteristics are not assessed in coastal streams 4 Evidence of nutrient or chemical discharges ECOREGION POINT RANGE ' 0-4 # CHARACTERISTICS extensive discharges = 0; no dischaz es = maxpoints) SCORE 04 Coastal Piedmont Mountain 0 4 0-4 1 Presence of now / persistent pools in stream 0-5 0-4 0-5 o7 (no flow or saturation = 0; strop flow = max 6 Presence of adjacent floodplain 0-4 0-4 0-2 -points) 2 Evidence of past human alteration 0-6 0-5 0-5 extensive alteration = 0; no alteration = maxpoints) 07 Entrenchment / floodplain access Riparian zone 3 0-6 0-4 0-5 a (no buffer = 0; contiguous, wide buffer = max points (deeplyentrenched = 0; frequent flooding= max rots * These characteristics are not assessed in coastal streams 4 Evidence of nutrient or chemical discharges 0-5 0-4 0-4 extensive discharges = 0; no dischaz es = maxpoints) 04 5 Groundwater discharge 0 - 3 0 4 0-4 Uno discharge = 0; springs, see s, wetlands, etc. = max points) o7 0.4 6 Presence of adjacent floodplain 0-4 0-4 0-2 no floodplain = 0; extensive floodplain = maxpoints) 07 Entrenchment / floodplain access 0 5 0-4 0 - 2 (deeplyentrenched = 0; frequent flooding= max rots 8 Presence of adjacent wetlands 0 - 4 0-2 no wetlands = 0; large Ojacent wetlands = maxpoints)0-6 1 9 Channel sinuosity 0-5 0-4 0-3 extensive channelization = 0; natural meander = maxpoints) 10 Sediment input 0-5 0-4 0-4 extensive deposition= 0; little or no sediment = maxpoints) I 1 Size & diversity of channel bed substrate NA* 0-4 0-5 3 fine, homogenous = 0; iaz e, diverse sizes =max oints 12 Evidence of channel incision or widening 0-5 0-4 0-5 rr l (deeply incised = 0; stable bed & banks = maxpoints) 13 Presence of major bank failures 0-5 0-5 0-5 � severe erosion = 0; no erosion, stable banks = maxpoints) 14 Root depth and density on banks 0-3 0-4 0-5 no visible roots = 0; dense roots throughout = maxpoints) Impact by agriculture, livestock, or timber production 15 substantial impact =0; no evidence = maxpoints) 0-5 0 - 4 0-5 16 Presence of riffle-poollripple-pool complexes 0-3 0-5 0-6 no riffles/ripples. or pools = 0; we" l-A-1-1- evelo 3 17 17 Habitat complexity 0-6 0-6 0-6 3 little or no habitat T 0; frequent, varied habitats = maxpoints) 18 Canopy coverage over streambed 0-5 0-5 0-5 f7 no shadingvegetation = 0, continuous canopy = max points S 19 Substrate embeddedness NA* 0-4 0-4 (deep!(deep!y embedded = 0; loose structure = max 20 Presence of stream invertebrates (see page 4) 0-4 0-5 0-5 no evidence = 0; common, numerous types = maxpoints) 21 Presence of amphibians 0-4 0-4 0-4 0 (no evidence = 0; common, numerous es = maxpoints) 22 Presence of fish 0-4 0-4 0-4 O no evidence = 0; common, numerous types = max ints 23 Evidence of wildlife use 0-6 0-5 0-5 (no evidence = 0; abundant evidence = maxpoints) Total Points Possible 100 100 100 TOTAL SCORE (also enter on first page) * These characteristics are not assessed in coastal streams Site: Little Sebastian Date: April 30, 2018 Evaluator: CC STREAM QUALITY ASSESSMENT WORKSHEET * These characteristics are not assessed in coastal streams ECOREGION POINT RANGE # CHARACTERISTICS SCORE Coastal Piedmont Mountain 1 Presence of flow / persistent pools in stream 0-5 0-4 0-5 (no flow or saturation = 0; strong flow = maxpoints) 2 1 Evidence of past human alteration 0-6 0-5 0-5 extensive alteration = 0; no alteration = max points 3 Riparian zone 0-6 0 — 4 0-5 no buffer = 0; contiguous, wide buffer = max rots 4 Evidence of nutrient or chemical discharges 0-5 0-4 0-4 (extensive discharges = 0; no discharges = maxpoints) 04 5 Groundwater discharge 0-3 0 — 4 0-4 t' U (no discharge = 0; springs, seeps, wetlands, etc. = max points) b Presence of adjacent floodplain 0-4 0-4 0-2 y�(no floodplain = 0; extensive floodplain = max points) F,r Entrenchment I floodplain access 5 0 — 4 0 — 2 w p' (deeply entrenched = 0; frequent flooding= maxpoints)0 8 Presence of adjacent wetlands 0-6 0-4 0-2 no wetlands = 0; large adjacent wetlands = max ints) 9 Channel sinuosity 0-5 0-4 0-3 1-2 extensive channelization = 0; natural meander = maxpoints) 10 Sediment input 0-5 0-4 0-4 extensive deposition— 0• little or no sediment — maxpoints) 11 Size & diversity of channel bed substrate NA* 0-4 0-5 a (fine, homogenous = 0; large, diverse sizes = max pDints 12 Evidence of channel incision or widening 0-5 0-4 0-5 y,(deeply incised = 0; stable bed & banks = max points 13 Presence of major bank failures $ 0-5 0 — 5 a`7 severe erosion = 0; no erosion, stable banks = maxpoints)0 14 Root depth and density on banks 0-3 0-4 0-5 a no visible roots = 0; dense roots throughout = max amts 15 Impact by agriculture, livestock, or timber production 0-5 0-4 0-5 a substantial impact —0; no evidence .- max points) 16 Presence of riffle-pool/ripple-pool complexes 0-3 0--5 0-6 no riffles/ripples or pools = 0; well-developed = maxPoints) 17 Habitat complexity 0-6 0-6 0-6 little or no habitat = 0; frequent, varied habitats = maxpoints) 18 Canopy coverage over streambed 0 — 5 0-5 0-5 no shading vegetation = 0; continuous canopy = maxpoints) 19 Substrate embeddedness NA* 0-4 0-4 (deeply embedded = 0; loose structure = max 20 Presence of stream invertebrates (see page 4) 0-4 0-5 0-5 no evidence = 0; common, numerous types = max points 21 Presence of amphibians 0-4 0-4 0-4 Q no evidence = 0; common, numerous types = maxpoints) Q 22 Presence of fish 0-4 0 — 4 0-4 0 Wpo no evidence = 0; common, numerous es =max rots 23 Evidence of wildlife use 0 — 5 0-5 no evidence = 0; abundant evidence = maxpoints)0-6 Total Points Possible 100 100 100 TOTAL SCORE (also enter on first page) * These characteristics are not assessed in coastal streams Site: Little Sebastian Date: April 30, 2018 Evaluator: CC 1 N�� ® STREAM QUALITY ASSESSMENT WORKSHEET Total Points Possible 1 100 1 100 1 100 I TOTAL SCORE (also enter on first page) I 2 1-1 * These characteristics are not assessed in coastal streams. # CHARACTERISTICS ECOREGION POINT RANGE SCORE Coastal Piedmont Mountain 1no Presence of flow / persistent pools in stream flow or saturation = 0; strongflow = maxpoints)0-5 0 — 4 0-5 2extensive Evidence of past human alteration 0-6 0 — 5 0-5 alteration = 0; no alteration = max oints 3 Riparian zone 0-6 0-4 0-5 no buffer = 0; contiguous, wide buffer = max points) O 4 Evidence of nutrient or chemical discharges 0-5 0— 4 0-4 a extensive discharges = 0; no dischar es =max Dints a 5 Groundwater discharge 0-3 0-4 0-4 O V no discharge = 0; springs, see s, wetlands, etc. = max points) r.. 6 Presence of adjacent floodplain 0-4 0--4 0-2 (no floodplain = 0; extensive floodplain = maxpoints) 7 Entrenchment / floodplain access 0-5 p { (deeply entrenched — 0; frequent flooding = maxpoints) 0-4 0-2 , 8 Presence of adjacent wetlands 0 — 4 0-2 (no wetlands = 0; large adjacent wetlands = max aints)0-6 9 Channel sinuosity 0-5 0-4 0-3 r1 d (extensive channelization = 0; natural meander = max oints) 10 Sediment input 0-5 0-4 0-4 (extensive deposition= 0; little or no sediment = maxpoints) 11 Size & diversity of channel bed substrate fine, homogenous = 0; large, diverse sizes = maxpoints) NA* 0-4 0-5 12 Evidence of channel incision or widening 0-5 0--4 0-5 0 >4 (deeply incised = 0; stable bed & banks = max points F- a I3 Presence of major bank failures 0-5 0-5 0-5 severe erosion = 0; no erosion, stable banks = maxpoints) q? 14 Root depth and density on banks 0-3 0-4 0-5 no visible roots = 0; dense roots throughout = maxpoints) l5 Impact by agriculture, livestock, or timber production uc 0-5 (substantial impact =0; no evidence = maxpoints) 0-4 0-5 07 16 Presence of riffle-pool/ripple-pool complexes 0-3 0-5 0-6 no riffles/ripples or pools = 0; well-developed = maxpoints) 4 17 Habitat complexity 0-6 0— 6 0-6 (little or no habitat = 0; fre uent, varied habitats = maxpoints) 18 Canopy coverage over streambed 0 — 5 0-5 no shadingvegetation = 0; continuous canopy— maxpoints)0-5 19 Substrate embeddedness NA 0-4 0-4 (deeply embedded = 0; loose structure = max 20 Presence of stream invertebrates (see page 4) 0-4 0-5 no evidence = 0; common numerous types = maxpoints) 0-5 ( j G7 21 Presence of amphibians 0-4 0-4 0-4 4 O(no evidence = 0; common, numerous es = max points) (J O 22 Presence of fish 0-4 0-4 0-4 [j no evidence = 0; common, numerous types = maxpoints) 23 Evidence of wildlife use 0-6 0 — 5 0-5 y no evidence = 0; abundant evidence = max points) Total Points Possible 1 100 1 100 1 100 I TOTAL SCORE (also enter on first page) I 2 1-1 * These characteristics are not assessed in coastal streams. Site: Little Sebastian Date: April 30, 2018 Evaluator: CC 3w3-Pl STREAM QUALITY ASSESSMENT WORKSHEET * These characteristics are not assessed in coastal streams. ECOREGION POINT RANGE # CHARACTERISTICS SCORE Coastal Piedmont Mountain 1 Presence of flow !persistent pools in stream 0-5 0 - 4 0-5 no flow or saturation = 0; strop flow = max points) 2 Evidence of past human alteration 0-6 0-5 0-5 a extensive alteration = 0; no alteration = max points) 3 Riparian zone 0-6 0-4 0-5 no buffer = 0; contiguous, wide buffer = maxpoints) 4 Evidence of nutrient or chemical discharges 0-5 0-4 0-4 {extensive discharges = 0; no discharges = maxpoints) 5 Groundwater discharge 0-3 0-4 0-4 O (no discharge = 0; springs, see s, wetlands, etc. = maxpoints) i.., 6 Presence of adjacent floodplain 0-4 0-4 0-2 no floodplain = 0; extensive floodplain =max Dints Entrenchment / floodplain access 7 0-5 0-4 0-2 dee ly entrenched = 0; frequent flooding = max pDints 8 Presence of adjacent wetlands 0-6 0-4 0-2 (no wetlands = 0; large Ojacent wetlands max points 9 .= Channel sinuosity 0-5 0-4 0-3 (extensive channelization = 0; natural meander = maxpoints) 10 Sediment input 0-5 0-4 0-4 -7 extensive deposition= 0, little or no sediment = maxpoints) c� 1 I Size & diversity of channel bed substrate NA* 0-4 0-5 -i fine, homogenous = 0; large, diverse sizes = maxpoints) 12 Evidence of channel incision or widening 0-5 0-4 0-5 y+ (dee l incised = 0; stable bed & banks - max points H 13 Presence of major bank failures 0-5 0-5 0-5 ra (severe erosion = 0; no erosion, stable banks = maxpoints) 14 Root depth and density on banks 0-3 0-4 0-5 no visible roots = 0; dense roots throughout = maxpoints) 15 Impact by agriculture, livestock, or timber production 0-5 0 - 4 0-5 s�, substantial impact =0; no evidence = max points) S 16 Presence of riffle-pool/ripple-pool complexes 0-3 0-5 0-6 no riffles/ripples or pools = 0; well-developed = maxpoints) 17 Habitat complexity 0-6 0-6 0-6 (little or no habitat = 0; frequent, varied habitats = maxpoints)_ 18 Canopy coverage over streambed 0-5 0-5 0-5 x no shading vegetation � 0; continuous canopy - maxpoints) 19 Substrate embeddedness NA* 0-4 0-4 (deeply embedded = 0; loose structure = max) 20 Presence of stream invertebrates (see page 4) 0-4 0-5 0-5 no evidence = 0, common, numerous types = max oints 21 Presence of amphibians 0-4 0-4 0-4 O (no evidence = 0; common, numerous types = maxpoints) 22 Presence of fish 0-4 0-4 0-4 no evidence = 0; common, numerous types = maxpoints) 23 Evidence of wildlife use 0-6 0-5 0-5 (no evidence = 0; abundant evidence = maxpoints) Total Points Possible 100 100 100 TOTAL SCORE (also enter on first page) S, ) * These characteristics are not assessed in coastal streams. Site: Little Sebastian Date: April 30, 2018 Evaluator: CC 10-5 STREAM QUALITY ASSESSMENT WORKSHEET * These characteristics are not assessed in coastal streams. ECOREGION POINT RANGE # CHARACTERISTICS SCORE Coastal Piedmont Mountain 1 Presence of flow / persistent pools in stream 0-5 0-4 0-5 (no flow or saturation = 0; strong flow = maxpoints) 2 Evidence of past human alteration 1 0-6 0-5 0-5 a extensive alteration = 0; no alteration = maxpoints) 3 Riparian zone 0-6 0-4 0-5 a no buffer — 0; contiguous, wide buffer — maxpoints) 4 Evidence of nutrient or chemical discharges 0-5 0-4 0-4 (extensive discharges = 0; no discharges = maxpoints) 5 Groundwater discharge 0-3 0-4 0-4 Uno discharge = 0; springs, see s, wetlands, etc. = maxpoints)_ i.., 6 Presence of adjacent floodplain 0-4 0-4 0-2 no floodplain = 0; extensive floodplain = maxpoints) p" Entrenchment / floodplain access 0— 5 0— 4 0— 2 L (deeply entrenched = 0; frequent flooding= max points) 1 8 Presence of adjacent wetlands 0-6 0 — 4 0-2 (no wetlands = 0; large adjacent wetlands = max pints) 4 Channel sinuosity 0-5 0-4 0-3 extensive channelization = 0; natural meander = max oints Q% 10 Sediment input 0-5 0-4 0-4 pF% (extensive deposition— 0; little or no sediment — maxpoints) 11 Size & diversity of channel bed substrate NA* 0-4 0--5 fine, homogenous = 0; large, diverse sizes = max ints 12 Evidence of channel incision or widening 0-5 0-4 0-5 ,y+ (deeply incised = 0; stable bed & banks = maxpoints) 130-5 Presence of major bank failures 0-5 0-5 a (severe erosion = 0; no erosion, stable banks = maxpoints) 14 Root depth and density on banks 0-3 0-4 0-5 (no visible roots = 0; dense roots throughout = maxpoints) 15 Impact by agriculture, livestock, or timber production 0-5 0-4 0-5 r� substantial impact =0; no evidence = maxpoints) e1 16 Presence of riffle-pool/ripple-pool complexes 0-3 0-5 0-6 no riffles/ripples or pools= 0; well-developed = maxpoints) 17 Habitat complexity 0-6 0-6 0-6 little or no habitat = 0; frequent, varied habitats = maxpoints) Canopy coverage over streambed 18 no shading vegetation = 0; continuous canopy = maxpoints) 0-5 0-5 0-5 19 Substrate embeddedness NA* 0-4 0-4 Li (deeply embedded — 0; loose structure — max 20 Presence of stream invertebrates (see page 4) 0-4 0--5 0-5 no evidence = 0; common, numerous types = max ppints 21 Presence of amphibians 0-4 0-4 0-4 O (no evidence = 0; common, numerous types = maxpoints) 0 22 Presence of fish 0-4 0-4 0-4 *-4 no evidence — 0; common, numerous types = maxpoints) 23 Evidence of wildlife use 0-6 D-5 0-5 (no evidence = 0; abundant evidence = maxpoints) Total Points Possible 100 100 100 TOTAL SCORE (also enter on first page) * These characteristics are not assessed in coastal streams. Site: Little Sebastian Date: April 30, 2018 Evaluator: ME mu,� STREAM QUALITY ASSESSMENT WORKSHEET * These characteristics are not assessed in coastal streams. # ECOREGION POINT RANGE CHARACTERISTICS SCORE Coastal Piedmont Mountain I Presence of flow / persistent pools in stream 0-5 0-4 0-5 no flow or saturation = 0; strong flow = maxpoints) 2 Evidence of past human alteration 0-6 0-5 0-5 ! (extensive alteration = 0; no alteration = maxpoints) t 3 Riparian zone 0 — 4 0-5 no buffer — 0; contiguous, wide buffer = maxpoints)0-6 4 Evidence of nutrient or chemical discharges 0-5 0-4 0-4 '( extensive discharges = 0; no discharges = max points 5 Groundwater discharge 0 — 4 0-4 d (no discharge = 0; springs, see s, wetlands, etc. = maxpoints)0-3 6 Presence of adjacent floodplain 0-4 0-4 0-2 y (no floodplain = 0; extensive flood Iain =max points) Entrenchment / floodplain access 0-5 0 — 4 0-2 , A� (deeply entrenched = 0; frequent flooding= max points) $ Presence of adjacent wetlands 0-6 0-4 0-2 (no wetlands = 0; large adjacent wetlands = maxpoints) 9 Channel sinuosity 0-5 0-4 0-3 extensive channelization = 0; natural meander = maxpoints) 10 Sediment input 0-5 0-4 0-4 (extensive deposition— 0, little or no sediment = maxpoints) I I Size & diversity of channel bed substrate NA* 0-4 0-5 (fine, homogenous = 0; large, diverse sizes = max points 12 Evidence of channel incision or widening 0-5 0-4 0-5 >. (deeply incised = 0; stable bed & banks = maxpoints) F-0 13 Presence of major bank failures 0-5 0-5 a severe erosion = 0; no erosion, stable banks = maxpoints) �0-5 �-- 14 Root depth and density on banks 0-3 0-4 0-5 no visible roots = 0; dense roots throughout = maxpoints) I 5 Impact by agriculture, livestock, or timber production 0-5 0 4 0-5 substantial impact =0; no evidence = max ints — 16 Presence of riffle-pooUripple-pool complexes 0-3 0-5 0-6 j no riffles/ripples or pools = 0; well-developed = maxpoints) 17 Habitat complexity 0-6 0-6 0-6 (little or no habitat = 0; frequent, varied habitats = maxpoints) 18 Canopy coverage over streambed 0-5 0-5 0-5 (no shading vegetation = 0; continuous canopy = maxpoints) .3 19 Substrate embeddedness NA* 0-4 0-4 3 (deeply embedded = 0; loose structure = max) 20 Presence of stream invertebrates (see page 4) 0-4 0-5 no evidence = 0; common numerous types = maxpoints) 0-5 21Presence of amphibians 0-4 0-4 0-4 0 (no evidence = 0; common, numerous types = max oints 0 22 Presence of fish 0— 4 0— 4 0— 4 no evidence = 0; common, numerous es = max points) r23 Evidence of wildlife use 0-6 0-5 0-5 no evidence = 0; abundant evidence = maxpoints) Total Points Possible 100 100 100 TOTAL SCORE (also enter on first page) 1 * These characteristics are not assessed in coastal streams. Site: Little Sebastian Date: April 30, 2018 Evaluator: CC MCI -13 STREAM QUALITY ASSESSMENT WORKSHEET ITOTAL SCORE (also enter on first page) S-� * These characteristics are not assessed in coastal streams. # ECOREGION POINT RANGE CHARACTERISTICS SCORE Coastal Piedmont Mountain 1 Presence of flow / persistent pools in stream 0-5 0-4 0-5 q no flow or saturation = 0; strong flow = maxpoints) 20-6 Evidence of past human alteration 0-5 0-5 1 f extensive alteration = 0; no alteration = maxpoints) 3 Riparian zone 0-6 0-4 0-5 no buffer = 0; contiguous, wide buffer = maxpoints) 4 Evidence of nutrient or chemical discharges 0-5 0-4 0-4 extensive discharges = 0; no discharges = maxpoints) C 5 Groundwater discharge 0-3 0-4 0-4 (no discharge = 0; springs, see s, wetlands, etc_ = maxpoints) 6(no Presence of adjacent floodplain 0-4 0-4 0-2 3, floodplain = 0; extensive floodplain = maxpoints) Q Entrenchment 1 floodplain access 0-5 0-4 0-2 (deeply entrenched = 0; frequent flooding = max points 8 Presence of adjacent wetlands 0-6 0-4 0-2 0 (no wetlands = 0; large adjacent wetlands = maxpoints) 9 Channel sinuosity 0-5 0-4 0-3 a (extensive channelization = 0; natural meander = maxpoints) 10 Sediment input 0-5 0-4 0-4 extensive deposition- 0; little or no sediment = max points) Size & diversity of channel bed substrate 1 I (fine, homo enous = 0; large, diverse sizes = maxpoints) NA* 0-4 0-5 12 Evidence of channel incision or widening 0-5 0-4 0-5 ,>+(deeply incised = 0; stable bed & banks = max points D1 Presence of major bank failures 0-5 0 - 5 0-5 *413 severe erosion = 0; no erosion, stable banks = max points) 14 Root depth and density on banks 0-3 0-4 0-5 a no visible roots = 0; dense roots throughout = max points) 15 Impact by agriculture, livestock, or timber production 0 - 5 0 - 4 0 - 5 substantial impact =0; no evidence = max points) l6 Presence of riffle-poollripple-pool complexes 0-3 0 - 5 0-6 F no riffles/ri les or ohs = 0; well-develo ed = max oints d 17 Habitat complexity 0-6 0-6 0-6little or no habitat = 0; frequent, varied habitats = maxpoints) 18 Canopy coverage over streambed 0-5 0-5 0-5 no shading vegetation = 0; continuous canopy = maxpoints) 19 Substrate embeddedness NA* 0-4 0-4 (deeply embedded = 0; loose structure = max 1 20 Presence of stream invertebrates (see page 4) no evidence = 0; common, numerous types = maxpoints) 0-4 0-5 0-5 21 Presence of amphibians 0-4 0-4 0-4 (' O (no evidence = 0; common, numerous types = maxpoints) 22 Presence of fish 0-4 0 - 4 no evidence = 0; common, numerous es = maxpoints)0-4 23 Evidence of wildlife use 0-6 0-5 0-5 ' no evidence = 0; abundant evidence = maxpoints) Total Points Possible 100 100 too ITOTAL SCORE (also enter on first page) S-� * These characteristics are not assessed in coastal streams. Site: Little Sebastian Date: April 30, 2018 Evaluator: CC ftolb l+ STREAM QUALITY ASSESSMENT WORKSHEET * These characteristics are not assessed in coastal streams. ECOREGION POINT RANGE # CHARACTERISTICS SCORE Coastal Piedmont Mountain I Presence of flow / persistent pools in stream 0-5 0-4 0-5 no flow or saturation = 0; strong flow = maxpoints) 2 Evidence of past human alteration 0-6 0-5 0— 5 extensive alteration = 0; no alteration = maxpoints) 3 Riparian zone 0-6 0-4 0-5 no buffer = 0; contiguous, wide buffer = max paints) 4 Evidence of nutrient or chemical discharges 0-5 0-4 0-4 (� (extensive discharges = 0; no discharges = maxpoints) a 5 Groundwater discharge 0— 3 0— 4 0— 4 U(no discharge = 0; springs, see s, wetlands, etc. = max points) ,.., 6 Presence of adjacent floodplain 0-4 0-4 0-2 no floodplain = 0; extensive floodplain = maxpoints) 7 Entrenchment / floodplain access 0-5 0-4 0-2 0(deeplyentrenched a = 0; frequent flooding= max points) Presence of adjacent wetlands 0-6 0-4 0-2 (no wetlands = 0; large adjacent wetlands = max points) 9 Channel sinuosity 0-5 0-4 0--3 2 extensive channelization = 0; natural meander = maxpoints) 10 Sediment input 0-5 0-4 0-4 extensive deposition= 0; little or no sediment = maxpoints) I I Size & diversity of channel bed substrate NA* 0-4 0-5 (fine, homogenous = 0; large, diverse sizes = max -points) 12 Evidence of channel incision or widening 0-5 0-4 0-5 (deeply incised = 0; stable bed & banks = maxpoints) 13 Presence of major bank failures 0-5 0-5 0-5 l severe erosion = 0; no erosion, stable banks = maxpoints) 14 Root depth and density on banks 0-3 0-4 0-5 E„ (no visible roots = 0; dense roots throughout = maxpoints) Impact by agriculture, livestock, or timber production 0-5 0-4 0-5 .- i 5 substantial impact =0; no evidence = max poin t� 16 Presence of riffle-pool/ripple-pool complexes 0-3 0-5 0-6 no riffles/ripples or pools = 0; well-developed = maxpoints) 17 Habitat complexity 0-6 0-6 0-6 (little or no habitat = 0; frequent, varied habitats = maxpoints) 18 Canopy coverage over streambed 0-5 0-5 0-5 f�a x no sh ing vegetation = 0; continuous canopy = maxpoints) 19 Substrate embeddedness NA* 0-4 0-4 !f (deeply embedded = 0; loose structure = max)1 20 Presence of stream invertebrates (see page 4) 0-4 0-5 0-5 no evidence = 0; common, numerous types = max ints 21 Presence of amphibians 0-4 0-4 0-4 O no evidence = 0; common, numerous types - maxpoints) a 22 Presence of fish 0-4 0-4 0-4 no evidence = 0; common, numerous types = maxpoints) 23 Evidence of wildlife use 0-6 0-5 0-5 (no evidence = 0; abundant evidence = maxpoints) Total Points Possible 100 100 100 TOTAL SCORE (a)so enter on first page) * These characteristics are not assessed in coastal streams. * These characteristics are not assessed in coastal streams Site: Little Sebastian Date: April 30, 2018 Evaluator: CC M C STREAM QUALITY ASSESSMENT WORKSHEET ECOREGION POINT RANGE # CHARACTERISTICS Coastal Piedmont MountainSCORE I Presence of flow / persistent pools in stream 0-5 0-4 0-5 (no flow or saturation = 0; strong flow = maxpoints) 7 2 Evidence of past human alteration 0-6 0-5 0-5 extensive alteration = 0; no alteration = maxpoints) 3 Riparian zone 0-6 0 — 4 0-5 no buffer = 0; contiguous, wide buffer = max rots 4 Evidence of nutrient or chemical discharges 0-5 0-4 0-4 extensive discharges = 0; no dischar cs = max rots 5 Groundwater discharge 0-3 0-4 0-4 (no discharge = 0; springs, see s, wetlands, etc. = maxpoints) b Presence of adjacent floodplain 0-4 0-4 0-2 y� no floodplain = 0; extensive floodplain = maxpoints) 7 Entrenchment / floodplain access 0-5 0-4 0-2 a (deeply entrenched = 0; frequent flooding = max ints 8 Presence of adjacent wetlands 0-6 0-4 0-2 0 (no wetlands = 0; large adjacent wetlands = maxpoints) 9 Channel sinuosity 0-5 0-4 0-3 L (extensive channelization = 0; natural meander = max ints 10 Sediment input 0-5 0-4 0-4 q+ extensive deposition= 0; little or no sediment = maxpoints) 11 Size & diversity of channel bed substrate NA' 0-4 0-5 (fine, homogenous = 0; large, diverse sizes =max Dints 12 Evidence of channel incision or widening 0-5 0-4 0-5 ,�.(deeply incised = 0; stable bed & banks = maxpoints) 13 Presence of major bank failures 0 — 5 0-5 (severe erosion = 0; no erosion, stable banks = max points)0-5 14 Root depth and density on banks 0-3 0-4 0 — 5 H no visible roots = 0; dense roots throughout = max points I S Impact by agriculture, livestock, or timber production 0-5 0 — 4 0-5 substantial impact =0; no evidence = max points) 16 Presence of riffle-pool ripple-pool complexes 0-3 0-5 0-6 no riffles/ripples or is = 0; well-developed = maxpoints) 17 Habitat complexity 0-6 0— 6 0-6 (little or no habitat = 0; frequent, varied habitats = maxpoints) 18 Canopy coverage over streambed 0-5 0-5 0-5 r� no shading vegetation = 0; continuous canopy = maxpoints) QI 19 Substrate embeddedness NA* 0-4 0--4 (deeply embedded = 0; loose structure = max 20 Presence of stream invertebrates (see page 4) 0-4 0-5 0-5 no evidence = 0, common numerous types = max points) 21 Presence Presence of amphibians 0-4 0 — 4 0-4 J O evidence = 0; common, numerous es = max.points) O 22 Presence of fish 0-4 0-4 0-4 (no evidence = 0; common, numerous types = maxpoints) 23 Evidence of wildlife use 0-6 0-5 0-5 (no evidence = 0; abundant evidence = max ints Total Points Possible 100 100 100 TOTAL SCORE (also enter on first page) * These characteristics are not assessed in coastal streams Site: Little Sebastian Oy.,,,STREAM Date: April 30, 2018 QUALITY ASSESSMENT WORKSHEET Evaluator: CC * These characteristics are not assessed in coastal streams Y extensive dischar es = 0; no discharges = maxpoints) ECOREGION POINT RANGE V —14 # CHARACTERISTICS SCORE Coastal I Piedmont Mountain O (no discharge = 0; springs, see s, wetlands, etc. = maxpoints) 1 Presence of flow / persistent pools in stream 0 5 0-4 Presence of adjacent floodplain 0— 4 0— 4 no flow or saturation = 0; strop flow = max oints ' 0 — 5 no floodplain = 0; extensive floodplain = max points) Evidence of past human alteration 0 — 5 0-5 Entrenchment / floodplain access extensive alteration = 0; no alteration = maxpoints)0-6 0-4 0-2 3 Riparian zone 0-6 0-4 0-5 no buffer = 0; contiguous, wide buffer = max ints 8 Evidence of nutrient or chemical discharges 0 — 4 n * These characteristics are not assessed in coastal streams Y extensive dischar es = 0; no discharges = maxpoints) U —' " — 4 V —14 04 5 Groundwater discharge 0-3 0-4 0-4 O (no discharge = 0; springs, see s, wetlands, etc. = maxpoints) 6 Presence of adjacent floodplain 0— 4 0— 4 0— 2 ' no floodplain = 0; extensive floodplain = max points) Entrenchment / floodplain access 0-5 0-4 0-2 (deeply entrenched = 0; frequent flooding = maxpoints) 8 Presence of adjacent wetlands 'acent 0 — 4 0-2 (no wetlands = 0; lar a ad wetlands = maxpoints)0-6 9 Channel sinuosity 0-5 0-4 0-3 (extensive channelization = 0; natural meander = maxpoints) 10 Sediment input 0-5 0-4 0-4 extensive deposition= 0; little or no sediment = maxpoints) 11 Size & diversity of channel bed substrate NAII 0-4 0-5 fine homogenous = 0; lar e, diverse sizes = maxpoints) Evidence of channel incision or widening y+ 12 (deeply incised = 0; stable bed & banks = max points 0-5 0-4 0 — 5 13 Presence of major bank failures 0 — 5 0-5 a severe erosion = 0; no erosion, stable banks = maxpoints)0-5 14 hoot depth and density on banks 0-3 0-4 0-5 no visible roots = 0; dense roots throughout = maxpoints) Impact by agriculture, livestock, or timber production 15 substantial impact =0; no evidence = maxpoints) 0-5 0 — 4 0-5 16 Presence of riffle-pooUripple-pool complexes 0-3 0-5 0-6 no riffles/ripples or pools = 0; well-developed = maxpoints) 17 Habitat complexity 0-6 0-6 0-6 (little or no habitat = 0; frequent, varied habitats = maxpoints) 1$ Canopy coverage over streambed 0-5 0-5 0-5 no shading vegetation = 0; continuous canopy = max Dints 19 Substrate embeddedness NA* 0-4 0-4 (deeply(dccply embedded = 0; loose structure = max) j 20 Presence of stream invertebrates (see page 4) no evidence = 0; common numerous types = maxpoints) 0-4 0-5 0-5 O 21 Presence of amphibians 0-4 0-4 0-4 d no evidence = 0; common, numerous types = maxpoints) 22 Presence offish 0 — 4 0-4 no evidence = 0; common, numerous es = maxpoints)0-4 23 Evidence of wildlife use 0 — 6 0-5 0-5 (no evidence = 0; abundant evidence = maxpoints) Total Points Possible 100 100 100 TOTAL SCORE (also enter on first page) * These characteristics are not assessed in coastal streams 1351 f3 V l) Date: April 30, 2018 Evaluator: CC Site: Little Sebastian STREAM QUALITY ASSESSMENT WORKSHEET * These characteristics are not assessed in coastal streams 3 Riparian zonae ECOREGION POINT RANGE 0-4 0-5 r� # CHARACTERISTICS SCORE Coastal Piedmont Mountain Q( 4 Evidence of nutrient or chemical discharges 1 Presence of flow / persistent pools in stream 0-5 0-4 0-5 S extensive dischar es = 0; na dischar es =max rots no flow or saturation = 0; strop flow = max points) 2 Evidence of past human alteration 0-6 0-5 0-5 S extensive alteration = 0; no alteration = maxpoints) ,@ * These characteristics are not assessed in coastal streams 3 Riparian zonae 0-6 0-4 0-5 r� no buffer = 0; confi uous, wide buffer = max ints Q( 4 Evidence of nutrient or chemical discharges 0— 5 0— 4 0 4 extensive dischar es = 0; na dischar es =max rots S Groundwater discharge 0-3 0-4 0-4 ,@ (no discharge = 0; springs, see s, wetlands, etc. = maxpoints) 6 Presence of adjacent floodplain 0— 4 0 4 0— 2 y� no floodplain = 0; extensive floodplain = max points) Entrenchment / floodplain access 0— 5 0 4 0 2 O a (deeply entrenched = 0; frequent flooding= max points 8 Presence of adjacent wetlands 0 — 4 0-2 (no wetlands = 0; large adjacent wetlands = maxpoints)0-6 9 Channel sinuosity 0-5 0-4 0-3 (extensive channelization = 0; natural meander = maxpoints) 10 Sediment input 0-5 0-4 0-4 extensive deposition= 0; little or no sediment = maxpoints) I I Size & diversity of channel bed substrate NA* 0-4 0 — 5 �7 fine, homogenous = 0; large, diverse sizes = maxpoints) 12 Evidence of channel incision or widening 0-5 0-4 0-5 ;aa(deeply incised = 0; stable bed & banks = maxpoints) a13 Presence of major bank failures 0-5 0-5 0— 5 r,y severe erosion = 0; no erosion, stable banks = maxpoints) 1 14 Root depth and density on banks 0-3 0-4 0-5 no visible roots = 0; dense roots throughout = maxpoints) 15 Impact by agriculture, livestock, or timber production 0-5 0-4 0-5 substantial impact =0; no evidence =max rots 16 Presence of riffle-pool/ripple-pool complexes 0-3 0-5 0-6 3 no ri ffles/ripples or pools = 0; well-developed = maxpoints) 1 Habitat complexity 0-6 0-6 0-6 2 little or no habitat = 0; fre vent, varied habitats = maxpoints)J 1s Canopy coverage over streambed o -s 0-5 o -s no shading ve etation = 0; continuous canopy = maxpoints) 19 Substrate embeddedness NA 0-4 0 — 4 (deeply embedded = 0; loose structure = max) 20 Presence of stream invertebrates (see page 4) 0-4 0-5 0-5 no evidence = 0; common, numerous types = maxpoints) 21 Presence of amphibians 0-4 0-4 0-4 d no evidence = 0; common, numerous types — max points O 22 Presence of fish 0-4 0-4 0-4 �^t no evidence = 0; common, numerous types = max oints f 23 Evidence of wildlife use 0-6 0-5 0--5 (no evidence = 0; abundant evidence = maxpoints) Total Points Possible 100 100 100 TOTAL SCORE (also enter on first page) * These characteristics are not assessed in coastal streams Appendix I —Wetland JD Forms and Maps U.S. ARMY CORPS OF ENGINEERS WILMINGTON DISTRICT Action Id. SAW -2017=01507 County: Surry U.S.G.S. Quad: NC- Bottom 'NOTIFICATION OF JURISDICTIONAL DETERMINATION Property Owner: RES Jeremv Schmid Address: 302 Jefferson Street. Suite 110 Ralei2 h. NC 28605 Telephone Number: 919-926-1473 E-mail: ischmidAres.us Size (acres) 51.4 Nearest Waterway Mill Creek USGS HUC 03040101 Nearest Town Dodson River Basin Upper Yadkin Coordinates Latitude: 36.39654 Longitude: -80.8584 Location description: The jroiect site Little Sebastian Mitigation site is located on Ed Nixon Road,near Thurmond North Carolina and is adjacent to and associated with SAW -2017- 01462 Gideon Mitigation site. Indicate Which of the Following Ap pl : A. Preliminary Determination ® There appear to be waters, including wetlands on the above described project area/property, that maybe subject to Section 404 of the Clean Water Act (CWA)(33 USC § 1344) and/or Section 10 of the Rivers and Harbors Act (RHA) (33 USC § 403). The waters, including wetlands have been delineated, and the delineation has been verified by the Corps to be sufficiently accurate and reliable. The approximate boundaries of these waters are shown on the enclosed delineation map dated 10/27/2017. Therefore this preliminary jurisdiction determination may be used in the permit evaluation process, including determining compensatory mitigation. For purposes of computation of impacts, compensatory mitigation requirements, and other resource protection measures, a permit decision made on the basis of a preliminary JD will treat all waters and wetlands that would be affected in any way by the permitted activity on the site as if they are jurisdictional waters of the U.S. This preliminary determination is not an appealable action under the Regulatory Program Administrative Appeal Process (Reference 33 CFR Part 331). However, you may request an approved JD, which is an appealable action, by contacting the Corps district for further instruction. ❑ There appear to be waters, including wetlands on the above described project area/property, that may be subject to Section 404 of the Clean Water Act (CWA)(33 USC § 1344) and/or Section 10 of the Rivers and Harbors Act (RHA) (33 USC §.403). However, since the waters, including wetlands have not been properly delineated, this preliminary jurisdiction determination. may not be used in the permit evaluation process. Without a verified wetland delineation, this preliminary determination is merely an effective presumption of CWA/RHA jurisdiction over all of the waters, including wetlands at the project area, which is not sufficiently accurate and reliable to support an enforceable permit decision. We recommend that you have the waters, including wetlands on your project area/property delineated. As the Corps may not be able to accomplish this wetland delineation in a timely manner, you may wish to obtain a consultant to conduct a delineation that can be verified by the Corps. B. Approved Determination ❑ There are Navigable Waters of the United States within the above described project area/property subject to the permit requirements of Section 10 of the Rivers and Harbors Act (RHA) (33 USC § 403) and Section 404 of the Clean Water Act (CWA)(33 USC § 1344). Unless there is a change in law or our published regulations, this determination may be relied upon for a period not to exceed five years from the date of this notification. ❑ There are waters, including wetlands on the above described project area/property subject to the permit requirements of Section 404 of the Clean Water Act (CWA) (33 USC § 1344). Unless there is a change in the law or our published regulations, this determination may be relied upon for a period not to exceed five years from the date of this notification. ❑ We recommend you have the waters, including wetlands on your project area/property delineated. As the Corps may not be able to accomplish this wetland delineation in a timely manner, you may wish to obtain a consultant to conduct a delineation that can be verified by the Corps. SAW -2017-01507 ❑ The waters, including wetlands on your project area/property have been delineated and the delineation has been verified by the Corps. The approximate boundaries of these waters are shown on the enclosed delineation map dated DATE. We strongly suggest you have this delineation surveyed. Upon completion, this survey should be reviewed and verified by the Corps. Once verified, this survey will provide an accurate depiction of all areas subject to CWA jurisdiction on your property which, provided there is no change in the law or our published regulations, may be relied upon for a period not to exceed five years. ❑ The waters, including wetlands have been delineated and surveyed and are accurately depicted on the plat signed by the Corps. Regulatory Official identified below on DATE. Unless there is a change in the law or our published regulations, this determination may be relied upon for a period not to exceed five years from the date of this notification. ❑ There are no waters of the U.S., to include wetlands, present on the above described project area/property which are subject to the permit requirements of Section 404 of the Clean Water Act (33 USC 1344). Unless there is a change in the law or our published regulations, this determination may be relied upon for a period not to exceed five years from the date of this notification. ❑ The property is located in one of the 20 Coastal Counties subject to regulation under the Coastal Area Management Act (CAMA). You should contact the Division of Coastal Management in Morehead City, NC, at (252) 808-2808 to determine their requirements. Placement of dredged or fill material within waters of the US, including wetlands, without a Department of the Army permit may constitute a violation of Section 301 of the Clean Water Act (33 USC § 1311). Placement of dredged or fill material, construction or placement of structures, or work within navigable waters of the United States without a Department of the Army permit may constitute a violation of Sections 9 and/or 10 of the Rivers and Harbors Act (33 USC § 401 and/or 403). If you have any questions regarding this determination and/or the Corps regulatory program, please contact William Elliott at 828-271-7980 ext 4224 or William. a. elliottra; usace.armv. mil. C. Basis For Determination: See the PJD iurisdictional determination form dated 5/22/2018. D. Remarks: None. E. Attention USDAProgram Participants This delineation/determination has been conducted to identify the limits of Corps' Clean Water Act jurisdiction for the particular site identified in this request. The delineation/determination may not be valid for the wetland conservation provisions of the Food Security Act of 1985. If you or your tenant are USDA Program participants, or anticipate participation in USDA programs, you should request a certified wetland determination from the local office of the Natural Resources Conservation Service, prior to starting work. F. Appeals Information (This information applies only to approved jurisdictional determinations as indicated in B. above) This correspondence constitutes an approved jurisdictional determination for the above described site. If you object to this determination, you may request an administrative appeal under Corps regulations at 33 CFR Part 331. Enclosed you will find a Notification of Appeal Process (NAP) fact sheet and request for appeal (RFA) form: If you request to appeal this determination you must submit a completed RFA form to the following address: US Army Corps of Engineers South Atlantic Division Attn: Jason Steele, Review Officer 60 Forsyth Street SW, Room 1OM15 Atlanta, Georgia 30303-8801 In order for an RFA to be accepted by the Corps, the Corps must determine that it is complete, that it meets the criteria for appeal. under 33 CFR part 331.5, and that it has been received by the Division Office within 60 days of the date of the NAP. Should you decide to submit an RFA form, it must be received at the above address by DATE. **It is not necessary to submit an RFA form to the Division office if you do not o}}ecX Ole d munation in this correspondence.** Corps Regulatory Official: _William Elliott Date of JD: 5/22/2018 Expiration Date of JD: NONE SAW -2017-01507 The Wilmington District is committed to providing the highest level of support to the public. To help us ensure we continue to do so, please complete the Customer Satisfaction Survey located at http://corpsmapu.usace.army.mil/cm_apex/f?p=13 6:4:0 Copy furnished: Byron Thomas Shaw II, Mary Beth Shaw, 227 Hawthorne Road, Elkin, NC 28621 Christopher Edward Nixon & Gwyn Dobbins Nixon, Jimmy Edward Nixon & Vivian J. Life Estate, 611 Ed Nixon Road, Thurmond, NC 28683 Stephen & Amy Shore, 433 Ed Nixon Road, Thurmond, NC 28683 NOTIFICATION OF ADMINISTRATIVE APPEAL OPTIONS AND PROCESS AND RE(i ,ST FOR APPEAL Applicant: RES Jerem Schmid File Number: SAW-2017-01507 Date: 5/22/2018 Attached is: See Section below ❑ INITIAL PROFFERED PERMIT (Standard Permit or Letter ofpermission) A _ PROFFERED PERMIT (Standard Permit or Letter of permission)PERMIT DENIAL C APPROVED JURISDICTIONAL DETERMINATION D LF] PRELIMINARY JURISDICTIONAL DETERMINATION E SECTION I - The following identifies your rights and options regarding an administrative appeal of the above decision. Additional information may be found at or bit ?1Liv vw. sa .ary.r illMs i t slOiv Works/RegulatoryProgr zmdPermits.a or the Cams regulations at 33 CFR Part 331. _ A: INITIAL PROFFERED PERMIT: You may accept or object to the permit. • ACCEPT: If you received a Standard Permit, you may sign the permit document and return it to the district engineer for authorization. If you received a Letter of Permission (LOP), you may accept the LOP and your work is authorized. Your signature on the Standard Permit or acceptance of the LOP means that you accept the permit in its entirety, and waive all rights to appeal the permit, including its terms and conditions, and approved jurisdictional determinations associated with permit. • OBJECT: If you object to the permit (Standard or LOP) because of certain terms and conditions therein, you may reques that the permit be modified accordingly. You must complete Section II of this form and return the form to the district engineer. Your objections must be received by the district engineer within 60 days of the date of this notice, or you will forfeit your right to appeal the permit in the future. Upon receipt of your letter, the district engineer will evaluate your objections and may: (a) modify the permit to address all of your concerns, (b) modify the permit to address some of your objections, or (c) not modify the permit having determined that the permit should be issued as previously written. After evaluating your objections, the district engineer will send you a proffered permit for your reconsideration, as indicated in Section B below. B: PROFFERED PERMIT: You may accept or appeal the permit • ACCEPT: If you received a Standard Permit, you may sign the permit document and return it to the district engineer for authorization. If you received a Letter of Permission (LOP), you may accept the LOP and your work is authorized. Your signature on the Standard Permit or acceptance of the LOP means that you accept the permit in its entirety, and waive all rights to appeal the permit, including its terms and conditions, and approved jurisdictional determinations associated with permit. • APPEAL: If you choose to decline the proffered permit (Standard or LOP) because of certain terms and conditions therei you may appeal the declined permit under the Corps of Engineers Administrative Appeal Process by completing Section 1 this form and sending the form to the division engineer. This form must be received by the division engineer within 60 d, of the date of this notice. C: PERMIT DENIAL: You may appeal the denial of a permit under the Corps of Engineers Administrative Appeal Proces completing Section II of this form and sending the form to the division engineer. This form must be received by the division engineer within 60 days of the date of this notice. D: APPROVED JURISDICTIONAL DETERMINATION: You may accept or appeal the approved JD or provide new information. • ACCEPT: You do not need to notify the Corps to accept an approved JD. Failure to notify the Corps within 60 days of 1 date of this notice, means that you accept the approved JD in its entirety, and waive all rights to appeal the approved JD. • APPEAL: If you disagree with the approved JD, you may appeal the approved JD under the Corps of Engineers Administrative Appeal Process by completing Section II of this form and sending the form to the district engineer. This f must be received by the division engineer within 60 days of the date of this notice. E: PRELIMINARY JURISDICTIONAL DETERMINATION: You do not need to respond to the Corps regarding the preliminary JD. The Preliminary JD is not appealable. If you wish, you may request an approved JD (which may -be appealer by contacting the Corps district for further instruction. Also you may provide new information for further consideration by th Corps to reevaluate the JD. SECTION II - REQUEST FOR APPEAL or OBJECTIONS TO AN INITIAL PROFFERED PERMIT REASONS FOR APPEAL OR OBJECTIONS: (Describe your reasons for appealing the decision or your objections to an ini proffered permit in clear concise statements. You may attach additional information to this form to clarify where your reason objections are addressed in the administrative record.) ADDITIONAL INFORMATION: The appeal is limited to a review of the administrative record, the Corps memorandum for record of the appeal conference or meeting, and any supplemental information that the review officer has determined is neede clarify the administrative record. Neither the appellant nor the Corps may add new information or analyses to the record. However, you may provide additional information to clarify the location of information that is already in the administrative record. POINT OF CONTACT FOR QUESTIONS OR INFORMATION: If you have questions regarding this decision and/or the If you only have questions regarding the appeal process you mal appeal process you may contact: also contact: District Engineer, Wilmington Regulatory Division Mr. Jason Steele, Administrative Appeal Review Officer Attn: William Elliott CESAD-PDO Asheville Regulatory Office U.S. Army Corps of Engineers, South Atlantic Division U.S Army Corps of Engineers 60 Forsyth Street, Room 1OM15 151 Patton Avenue, Room 208 Atlanta, Georgia 30303-8801 Asheville, North Carolina 28801 Phone: (404) 562-5137 RIGHT OF ENTRY: Your signature below grants the right of entry to Corps of Engineers personnel, and any government consultants, to conduct investigations of the project site during the course of the appeal process. You will be provided a 15 dz notice of any site investigation, and will have the opportunity to participate in all site investiations. Date: Telephone number: Signature of appellant or agent. For appeals on Initial Proffered Permits send this form to: District Engineer, Wilmington Regulatory Division, Attn: William Elliott, 69 Darlington Avenue, Wilmington, North Carolina 28403 For Permit denials, Proffered Permits and Approved Jurisdictional Determinations send this form to: Division Engineer, Commander, U.S. Army Engineer Division, South Atlantic, Attn: Mr. Jason Steele, Administrative Appeal Officer, CESAD-PDO, 60 Forsyth Street, Room 1OM15, Atlanta, Georgia 30303-8801 Phone: (404) 562-5137 PRELIMINARY JURISDICTIONAL DETERMINATION (PJD) FORM BACKGROUND INFORMATION A. REPORT COMPLETION DATE FOR PJD: 5/22/2018 B. NAME AND ADDRESS OF PERSON REQUESTING PJD: RES, Jeremy Schmid, 302 Jefferson Street, Suite 110 Rale' h NC 28605 C. DISTRICT OFFICE, FILE NAME, AND NUMBER: Wilmington District, NCDMS OLF- Little Sebastian Mitigation Site, SAW -2017-01507 D. PROJECT LOCATION(S) AND BACKGROUND INFORMATION: The project site Little Sebastian Mitigation site is located on Ed Nixon Road, near Thurmond, North Carolina and is adjacent to and associated with SAW -2017- 01462 Gideon Mitigation site. (USE THE TABLE BELOW TO DOCUMENT MULTIPLE AQUATIC RESOURCES AND/OR AQUATIC RESOURCES AT DIFFERENT SITES) State: NC County: Surry City: Dodson Center coordinates of site (lat/long in degree decimal format): Latitude: 36.39654 Longitude: -80.8584 Universal Transverse Mercator: Name of nearest water body: Mill Creek E. REVIEW PERFORMED FOR SITE EVALUATION (CHECK ALL THAT APPLY): ❑ Office (Desk) Determination. Date: ® Field Determination. Date(s): February 27, 2018 TABLE OF AQUATIC RESOURCES INREVIEW AREA WHICH "MAY BE" SUBJECT TO REGULATORY JURISDICTION. Estimated amount of Type of aquatic Geographic authority to Latitude (decimal Longitude (decimal aquatic resources in resources (i.e., which the aquatic resource "may Site Number degrees) degrees) review area (acreage wetland vs. non - be" subject (i.e., and linear feet, if wetland waters) Section 404 or Section applicable 10/404) See Attached Table 1) The Corps of Engineers believes that there may be jurisdictional aquatic resources in the review area, and the requestor of this PJD is hereby advised of his or her option to request and obtain an approved JD (AJD) for that review area based on an informed decision after having discussed the various types of JDs and their characteristics and circumstances when they may be appropriate. 2) In any circumstance where a permit applicant obtains an individual permit, or a Nationwide General Permit (NWP) or other general permit verification requiring "pre- construction notification" (PCN), or requests verification for a non -reporting "NWP or other general permit, and the permit applicant has not requested an AJD for the activity, the permit applicant is hereby made aware that: (1) the permit applicant has elected to seek a permit authorization based on a PJD, which does not make an official determination of jurisdictional aquatic resources; (2) the applicant has the option to request an AJD before accepting the terms and conditions of the permit authorization, and that basing a permit authorization on an AJD could possibly result in less compensatory mitigation being required or different special conditions; (3) the applicant has the right to request an individual permit rather than accepting the terms and conditions of the NWP or other general permit authorization; (4) the applicant can accept a permit authorization and thereby agree to comply with all the terms and conditions of that permit, including whatever mitigation requirements the Corps has determined to be necessary; (5) undertaking any activity in reliance upon the subject permit authorization without requesting an AJD constitutes the applicant's acceptance of the use of the PJD; (6) accepting a permit authorization (e.g., signing a proffered individual permit) or undertaking any activity in reliance on any form of Corps permit authorization based on a PJD constitutes agreement that all aquatic resources in the review area affected in any way by that activity will be treated as jurisdictional, and waives any challenge to such jurisdiction in any administrative or judicial compliance or enforcement action, or in any administrative appeal or in any Federal court; and (7) whether the applicant elects to use either an AJD or a PJD, the JD will be processed as soon as practicable. Further, an AJD, a proffered individual permit (and all terms and conditions contained therein), or individual permit denial can be administratively appealed pursuant to 33 C.F.R. Part 331. If, during an administrative appeal, it becomes appropriate to make an official determination whether geographic jurisdiction exists over aquatic resources in the review area, or to provide an official delineation of jurisdictional aquatic resources in the review area, the Corps will provide an AJD to accomplish that result, as soon as is practicable. This PJD finds that there "may be" waters of the U.S. and/or that there "may be" navigable waters of the U.S. on the subject review area, and identifies all aquatic features in the review area that could be affected by the proposed activity, based on the following information: SUPPORTING DATA. Data reviewed for PJD (check all that apply) Checked items should be included in subject file. Appropriately reference sources below where indicated for all checked items: ® Maps, plans, plots or plat submitted by or on behalf of the PJD requestor: Map:Vicinity, USGS, NWI Soil, Existing Conditions,WOUS ® Data sheets prepared/submitted by or on behalf of the PJD requestor. ® Office concurs with data sheets/delineation report. ❑ Office does not concur with data sheets/delineation report. Rationale: ❑ Data sheets prepared by the Corps: ❑ Corps navigable waters' study: ❑ U.S. Geological Survey Hydrologic Atlas: ❑ USGS NHD data. ❑ USGS 8 and 12 digit HUC maps. ® U.S. Geological Survey map(s). Cite scale & quad name: ❑ Natural Resources Conservation Service Soil Survey. Citation: ® National wetlands inventory map(s). Cite name: ❑ State/local wetland inventory map(s): ❑ FEMA/FIRM maps: ❑ 100 -year Floodplain Elevation is: (National Geodetic Vertical Datum of 1929) ® Photographs: ®Aerial (Name & Date): UNK or F1 Other (Name & Date ❑ Previous determination(s). File no. and date of response letter: ❑ Other information (please specify): IMPORTANT NOTE: The information recorded on this form has not necessarily been verified by the Corps and should not be relied upon for later jurisdictional determinations. illiam Elliott Signature and date of Regulatory staff member completing PJD 5/22/2018 Signature and date of person requesting PJD (REQUIRED, unless obtaining the signature is impracticable)1 1 Districts may establish timeframes for requester to return signed PJD forms. If the requester does not respond within the established time frame, the district may presume concurrence and no additional follow up is necessary prior to finalizing an action. Site Little Sebastian Little Sebastian Gideon Gideon Gideon Gideon Little Sebastian Little Sebastian Little Sebastian Gideon Gideon Gideon Gideon Gideon Little Sebastian Reach/Wetland ID WA WB WC WD WE WF BS -1 JN -2 JN -3 JN -4 JN -5 JN -6 JN -7 Mill Creek Mill Creek Latitude Longitude -80.859778 36.398586 -80.859642 36.397907 -80.855978 36.398336 -80.856767 36.396847 -80.856836 36.396359 -80.856058 36.394861 -80.851484 36.396111 -80.863542 36.399251 -80.859211 36.398372 -80.858733 36.395122 -80.857693 36.394568 -80.856718 36.396846 -80.855351 36.394343 -80.857033 36.394489 -80.861609 36.397017 Length (LF) /Area (ac) D.42 0.48 0.01 0.04 0.36 0.42 1424 1792 1363 634 78 2024 55 1855 3146 Appendix J —Invasive Species Plan INVASIVE SPECIES PLAN Annual monitoring and semi-annual site visits will be conducted to assess the condition of the finished project. These site inspections may identify the presence of invasive vegetation. RES will treat invasive species vegetation within the project area and provide remedial action on a case by- case basis. Common invasive species vegetation, such as Chinese privet (Ligustrum sinense), multiflora rose (Rosa multiflora), tree -of -heaven (Ailanthus altissima), and Japanese honeysuckle (Lonicera japonica), will be treated to allow native plants to become established within the conservation easement. Invasive species vegetation will be treated by approved mechanical and/or chemical methods such that the percent composition of exotic/invasive species is less than 5% of the total riparian buffer area. Any control methods requiring herbicide application will be performed in accordance with NC Department of Agriculture (NCDA) rules and regulations. If areas of invasive species exist within the easement, they will be monitored yearly as part of the monitoring protocol, and treated if necessary. If required, problem areas will continue to be treated until the project easement shows overall trending towards meeting all monitoring requirements. Appendix K —Approved FHWA Categorical Exclusion Form Categorical Exclusion Form for Division Mitigation Services Projects Version 1.4 •Information Project Name: Little Sebastian County Name: Surry DMS ID Number: 100027 Project Sponsor: Resource Environmental Solutions, LLC Project Contact Name: Daniel Ingram Project Contact Address: 302 Jefferson Street Suite 110, Ralei h, NC 27605 Pro"ect Contact E-mail: din ram res.us DMS Project Manager: Paul Wiesner Project Description The Little Sebastian site is a stream restoration site in Surry County (Yadkin River: 03040101080020) whose objectives are to restore or enhance 7,484 linear feet of a portion of Mill Creek and four unnamed tributaries. The project watershed is primarily forested and mixed agricultural land, and has historically served this purpose. Most project reaches are currently being impacted by livestock production, agricultural production, and lack of riparian buffer. A combination of stream restoration and enhancement is proposed to increase hydrologic and ecological function and protect these natural features in perpetuity. Version 1.4, 8116/05 Part 2: All Projects Regulation/Question .. Coastal Zone Management Act CZMA 1. Is the project located in a CAMA county? ❑ Yes ❑ No 2. Does the project involve ground -disturbing activities within a CAMA Area of ❑ Yes Environmental Concern (AEC)? ❑ No ® N/A 3. Has a CAMA permit been secured? ❑ Yes ❑ No ® N/A 4. Has NCDCM agreed that the project is consistent with the NC Coastal ❑ Yes Management Program? ❑ No ® N/A Comprehensive Environmental Response, Compensation and Liabilit Act CERCLA 1. Is this a "full -delivery" project? ® Yes ❑ No 2. Has the zoning/land use of the subject property and adjacent properties ever been ❑ Yes designated as commercial or industrial? ® No ❑ N/A 3. As a result of a limited Phase I Site Assessment, are there known or potential ❑ Yes hazardous waste sites within or adjacent to the project area? ® No ❑ N/A 4. As a result of a Phase I Site Assessment, are there known or potential hazardous ❑ Yes waste sites within or adjacent to the project area? ❑ No ® N/A 5. As a result of a Phase 11 Site Assessment, are there known or potential hazardous ❑ Yes waste sites within the project area? ❑ No ❑ N/A 6. Is there an approved hazardous mitigation plan? ❑ Yes ❑ No ® N/A National Historic Preservation Act Section 106 1. Are there properties listed on, or eligible for listing on, the National Register of ❑ Yes Historic Places in the project area? ❑ No 2. Does the project affect such properties and does the SHPO/THPO concur? ❑ Yes ❑ No ® N/A 3. If the effects are adverse, have they been resolved? ❑ Yes ❑ No ® N/A Uniform Relocation Assistance and Real Property Acquisition Policies Act Uniform Act 1. Is this a "full -delivery" project? ® Yes ❑ No 2. Does the project require the acquisition of real estate? ® Yes ❑ No ❑ N/A 3. Was the property acquisition completed prior to the intent to use federal funds? ❑ Yes ® No ❑ N/A 4. Has the owner of the property been informed: ® Yes * prior to making an offer that the agency does not have condemnation authority; and ❑ No * what the fair market value is believed to be? ❑ N/A Version 1.4, 8/16/05 Part 3: Ground-Disturbing Activities Response American Indian Religious Freedom Act AIRFA 1. Is the project located in a county claimed as "territory" by the Eastern Band of ❑ Yes Cherokee Indians? ® No 2. Is the site of religious importance to American Indians? ❑ Yes ❑ No ® N/A 3. Is the project listed on, or eligible for listing on, the National Register of Historic ❑ Yes Places? ❑ No ❑ N/A 4. Have the effects of the project on this site been considered? ❑ Yes ❑ No ® N/A Antiquities Act AA 1. Is the project located on Federal lands? ❑ Yes ❑ No 2. Will there be loss or destruction of historic or prehistoric ruins, monuments or ❑ Yes objects of antiquity? ❑ No ❑ N/A 3. Will a permit from the appropriate Federal agency be required? ❑ Yes ❑ No ® N/A 4. Has a permit been obtained? ❑ Yes ❑ No ® N/A Archaeological Resources Protection Act (ARPA) 1. Is the project located on federal or Indian lands (reservation)? ❑ Yes ® No 2. Will there be a loss or destruction of archaeological resources? ❑ Yes ❑ No ® N/A 3. Will a permit from the appropriate Federal agency be required? ❑ Yes ❑ No ® N/A 4. Has a permit been obtained? ❑ Yes ❑ No ❑ N/A Endan ered Species Act ESA 1. Are federal Threatened and Endangered species and/or Designated Critical Habitat ® Yes listed for the county? ❑ No 2. Is Designated Critical Habitat or suitable habitat present for listed species? ❑ Yes ® No ❑ N/A 3. Are T&E species present or is the project being conducted in Designated Critical ❑ Yes Habitat? ® No ❑ N/A 4. Is the project "likely to adversely affect' the specie and/or "likely to adversely ❑ Yes modify' Designated Critical Habitat? ❑ No ® N/A 5. Does the USFWS/NOAA-Fisheries concur in the effects determination? ❑ Yes ❑ No ❑ N/A 6. Has the USFWS/NOAA-Fisheries rendered a "jeopardy' determination? ❑ Yes ❑ No ® N/A Version 1.4, 8/16/05 Executive Order 13007 Indian Sacred Sites 1. Is the project located on Federal lands that are within a county claimed as "territory" ❑ Yes by the EBCI? ® No 2. Has the EBCI indicated that Indian sacred sites may be impacted by the proposed ❑ Yes project? ❑ No ® N/A 3. Have accommodations been made for access to and ceremonial use of Indian ❑ Yes sacred sites? ❑ No ® N/A Farmland Protection Policy Act FPPA 1. Will real estate be acquired? ® Yes ❑ No 2. Has NRCS determined that the project contains prime, unique, statewide or locally ® Yes important farmland? ❑ No ❑ N/A 3. Has the completed Form AD-1006 been submitted to NRCS? ® Yes ❑ No ❑ N/A Fish and Wildlife Coordination Act FWCA 1. Will the project impound, divert, channel deepen, or otherwise control/modify any ® Yes water body? ❑ No 2. Have the USFWS and the NCWRC been consulted? ® Yes ❑ No ❑ N/A Land and Water Conservation Fund Act Section 6(f)) 1. Will the project require the conversion of such property to a use other than public, ❑ Yes outdoor recreation? ® No 2. Has the NPS approved of the conversion? ❑ Yes ❑ No ® N/A Magnuson-Stevens Fishery Conservation and Management Act Essential Fish Habitat 1. Is the project located in an estuarine system? ❑ Yes ® No 2. Is suitable habitat present for EFH-protected species? ❑ Yes ❑ No ® N/A 3. Is sufficient design information available to make a determination of the effect of the ❑ Yes project on EFH? ❑ No ® N/A 4. Will the project adversely affect EFH? ❑ Yes ❑ No ® N/A 5. Has consultation with NOAA-Fisheries occurred? ❑ Yes ❑ No ® N/A Migratory Bird Treat Act (MBTA) 1. Does the USFWS have any recommendations with the project relative to the ❑ Yes MBTA? ® No 2. Have the USFWS recommendations been incorporated? ❑ Yes ❑ No ® N/A Wilderness Act 1. Is the project in a Wilderness area? ❑ Yes ® No 2. Has a special use permit and/or easement been obtained from the maintaining ❑ Yes federal agency? ❑ No ® N/A Version 1.4, 8/16/05 Categorical Exclusion Summary Categorical Exclusion Summary Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) The Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA), commonly known as Superfund, created a tax on the chemical and petroleum industries to clean up abandoned or uncontrolled hazardous waste sites. As a part of the ERTR and CERCLA compliance, an EDR Radius Map Report with Geocheck was ordered for the Little Sebastian Mitigation Site through Environmental Data Resources, Inc (EDR) on August 29, 2017. According to the EDR report, there were not any listed sites located within one mile of the project site. In addition to the EDR search, a visual inspection of the Little Sebastian site was conducted to assess the potential for the occurrence of recognized environmental conditions on the property that might not have been revealed in the EDR report. The inspection was conducted to locate and identify any obvious use, storage, or generation of hazardous materials. No hazardous storage containers or substances were observed. Overall, the EDR assessment revealed no evidence of "recognized environmental conditions" in connection with the target property. The summary of the EDR report is included in the Appendix. National Historical Preservation Act (Section 106) The National Historical Preservation Act (NHPA) is legislation intended to preserve historical and archaeological sites in the United States of America. RES requested review and comment from the State Historic Preservation Office (SHPO) with respect to any archaeological and architectural resources related to the Little Sebastian Mitigation Site on October 20th, 2017. SHPO responded on October 24, 2017 and had no objections to the Little Sebastian Project. The correspondence SHPO can be found in the Appendix. Uniform Relocation Assistance and Real Property Acquisition Policies Act (Uniform Act) The Uniform Relocation Assistance and Real Property Acquisition Policies Act (Uniform Act) provides important protections and assistance for those people affected by federally funded projects. The Uniform Act applies to the acquisition, rehabilitation, or demolition of real property for federally funded projects. The Little Sebastian Mitigation Site is a full -delivery project that includes land acquisition. Notification of fair market value of the property and the lack of condemnation authority was completed by RES. The landowner was notified of fair market value and condemnation authority was listed in the option agreement. Endangered Species Act (ESA) Section 7 of the ESA requires federal agencies, in consultation with and with the assistance of the Secretary of the Interior or of Commerce, as appropriate, to ensure that actions they authorize, fund or carry out are not likely to jeopardize the continued existence of threatened or endangered species or result in the destruction or adverse modification of critical habitat for these species. Surry County's list of threatened and endangered species include Schweinitz's Sunflower (Helianthus schweinitzii), Small Whorled Pogonia (Isotria medeoloides), and Northern Long Eared Bat (NLEB) (Myotis septentrionalis). Other than the NLEB, the Little Sebastian Mitigation Site does not support any habitat related to any of the threatened or endangered species listed above. During site visits performed by RES, no NLEB individuals were found to exist on the site. A completed NLEB 4(d) Rule Streamline Consultation Form will be submitted by the Federal Highways Administration to the USFWS. The NLEB 4(d) Rules states "that the project may affect the NLEB, but that any resulting incidental take of the NLEB is not prohibited by the final 4(d) rule." All correspondence with the USFWS is included in the Appendix. Farmland Protection Policy Act (FPPA) The Farmland Protection Policy Act (FPPA) is intended to minimize the impact federal programs have on the unnecessary and irreversible conversion of farmland to nonagricultural uses. The Little Sebastian Mitigation Site includes the conversion of prime farmland. As such, Form AD -1006 has been completed and submitted to the Natural Resource Conservation Service (MRCS). The completed form and correspondence documenting it submittal is included in the Appendix. Fish and Wildlife Coordination Act (FWCA) The Fish and Wildlife Coordination Act (FWCA) of the United States was enacted to protect fish and wildlife when federal actions result in the control or modification of a natural stream or body of water. Since the Little Sebastian Mitigation Site includes stream restoration RES requested comment from the North Carolina Fish and Wildlife Resource Commission (NCWRC). The NCWRC responded on December 1, 2017 and stated that they intend to investigate Mill Creek for brook floater, a state endangered species. If brook floaters, or another listed aquatic species is found, additional measures may be needed to protect these species if restoration efforts are likely to impact them. All correspondence can be found in Appendix F. Migratory Bird Treaty Act (MBTA) The MBTA makes it unlawful for anyone to kill, capture, collect, possess, buy, sell, trade, ship import, or extort and migratory bird. The indirect killing of birds by destroying their nests and eggs is covered by the MBTA, so construction in nesting areas during nesting seasons can constitute at taking. RES requested comment on the Little Sebastian Mitigation Site from the USFWS in regard to migratory birds on October 20th, 2017. The USFWS responded on November 20, 2017 and stated that besides the Northern long-eared bat, there is no record of other federally protected species in the project vicinity. All correspondence with USFWS will be included in the Appendix. Agency Scoping Letters fires October 20, 2017 Renee Gledhill -Earley North Carolina State Historic Preservation Office 4617 Mail Service Center Raleigh NC 27699-4617 Dear Ms. Gledhill -Earley, The Little Sebastian Site has been identified by Resource Environmental Solutions, LLC (RES) to provide compensatory mitigation for unavoidable stream and wetland impacts. The proposed project involves the restoration and enhancement of approximately 7,392 linear feet of stream. RES requests review and comment on any possible issues that might emerge with respect to archaeological or cultural resources associated with a potential stream mitigation project on the Little Sebastian Site (a USGS site map with approximate limits of conservation easement is attached). A review of the N.C. State Historic Preservation Office (SHPO) HPOWEB GIS Service database (http://gis.ncdcr.gov/hpoweb/; accessed October 17, 2017) was performed as part of the site due diligence evaluation. The database did not reveal any listed or potentially eligible historic or archeological resources on the proposed properties. In addition, the majority of the site has historically been disturbed due to cattle grazing. We ask that you review this site based on the attached information to determine the presence of any historic properties. We thank you in advance for your timely response and cooperation. You may return the comment to my attention at the address below, or via email. Please feel free to contact me at mdeangelokres.us with any questions that you may have concerning the extent of site disturbance associated with this project. Sincerely, OVA -- Matt DeAngelo Ecologist 302 Jefferson St., Suite 110 Raleigh, NC 27605 Tel. 984.255.9133 10055 Red Run Blvd. Suite 130 Owings Mills, MD 21117 412 N. 4th St. Suite 300 Baton Rouge, LA 70802 100 Calhoun St. Suite 320 Charleston, SC 29401 5020 Montrose Blvd. Suite 650 Houston, TX 77006 1200 Camellia Blvd. Suite 220 Lafayette, LA 70508 1371/2 East Main St Suite 210 Oak Hill, WV 25901 33 Terminal Way Suite 431 Pittsburgh, PA 15219 302 Jefferson St Suite 110 Raleigh, NC 27605 1521 W. Main 2"d Floor Richmond, VA 23220 r r 'J 1�� • Q_�• _ � ,rte � • ��r � ~ .. - _ - 1 . .91 � 1 �� -�r' • r' dal 13+3 i� ' s •-'� I'`z� l -. - :�.' - ... -- g _- +c •g ro�� }�• _ a ` ■ till .i• � ' a y y. J. it s mss, t ptu1C 1092 +� Legend mk Proposed Easement e Copyright-® 2013■National-Geogr.'aphic=Society, ircubed 0 Date: 10/20/2017 w� USGS Map Drawn by: AS 0 Soo 1,000 2,000 Little Sebastian Mitigation Site res Feet Surry County, North Carolinar__ I I d W& STATE q, North Carolina Department of Natural and Cultural Resources State Historic Preservation Office Ramona M. $artos, Administrator Governor Roy Cooper Sccretary Susi 11. 1himilton October 17, 2017 Kimberly Browning Kimberly.D.Browningkusace.army.mil US Army Corps of Engineers Wilmington District Re: Little Sebastian Mitigation Site, Surry County, ER 17-1814 Dear Ms. Browning: Office of Archives and I iistory Deputy Secretary Kevin Cherry Thank you for your public notice of September 21, 2017, concerning the above project. We have conducted a review of the project and are aware of no historic resources which would be affected by the project. Therefore, we have no comment on the project as proposed. The above comments are made pursuant to Section 106 of the National Historic Preservation Act and the Advisory Council on Historic Preservation's Regulations for Compliance with Section 106 codified at 36 CFR Part 800. Thank you for your cooperation and consideration. If you have questions concerning the above comment, please contact Renee Gledhill -Earley, environmental review coordinator, at 919-807-6579 or renee.gledhill-Barley@ncdcr.gov. In all future communication concerning this project, please cite the above -referenced tracking number. Sincerely, OiJ& s laIT / amona M. Bartos Location: 109 liast Joncs Streer, Raleigh IAC 27601 Mailing Address: 4617 Mai] Service Center, Raleigh 1•C 27{99-4617 Telepbone/Fax: 0) 19) 807-6570/807-6599 fires October 20, 2017 10055 Red Run Blvd. Mr. Vann Stancil Suite 130 Habitat Conservation Biologist g Owings Mills, MD 21117 North Carolina Wildlife Resources Commission 215 Jerusalem Church Road 412 N. 4th St. Kenly, NC 27542 Suite 300 Baton Rouge, LA 70802 Subject: Project Scoping for Little Sebastian Stream Mitigation Project in Surry County. 100 Calhoun St. Suite 320 Charleston, SC Dear Mr.Stancil, 29401 The purpose of this letter is to request review and comment on an possible issues that might p � q y p �` 5020 Montrose Blvd. suite 650 emerge with respect to fish and wildlife associated with a potential stream restoration project on Houston, TX the attached site (USGS site maps with approximate property lines and areas of potential ground 77006 disturbance are enclosed). The Little Sebastian Site has been identified by Resource Environmental 1200 Camellia Blvd. Solutions, LLC (RES) to provide compensatory mitigation for unavoidable stream impacts. The Suite 220 proposed project involves the restoration and enhancement of approximately 7,392 linear feet of Lafayette, LA stream. The site is currently used for cattle grazing and the stream channels have been channelized 70508 and impounded. 1371/2 East Main St. Suite 210 We thank you in advance for your timely response and cooperation. You may return the comment Oak Hill, WV to my attention at the address below. Please feel free to contact me at mdeangelogres.us with any 25901 questions that you may have concerning the extent of site disturbance associated with this project. 33 Terminal Way Suite 431 Pittsburgh, PA 15219 Sincerely, 302 Jefferson St. Suite 110 Ag�� Raleigh, NC 27605 Matt DeAngelo 1521 W. Main Ecologist 2"d Floor Richmond, VA 23220 302 Jefferson St., Suite 110 Raleigh, NC 27605 Tel. 984.255.9133 From: Stancil, Vann F <vann.stancil@ncwildlife.org> Sent: Friday, December 1, 2017 1:17 PM To: Matthew DeAngelo Subject: RE: [External] Mockingbird Mitigation Site Matt, Thanks for the opportunity to review these 3 mitigation project for issues related to fish and wildlife. The Mockingbird Stream Mitigation Site is located on Hauser Creek and its tributaries in Davie County. Hauser Creek is a direct tributary to the Yadkin River. There's an existing easement downstream of this new mitigation site. There are no records for any listed aquatic species in the vicinity of this project. The Catbird Stream Mitigation Site appears to be located on an unnamed tributary to the Yadkin River located east of Hauser Creek in Davie County. There are no records for any listed aquatic species in the vicinity of this project. The Little Sebastian Stream Mitigation Site is located in Surry County on Mill Creek and 3 of it's tributaries. Mill Creek is a tributary to the Mitchell River. While there are no records of listed aquatic species in Mill Creek, there are records for brook floater, Alasmidonta varicosa, in the Mitchell River upstream and downstream of the Mill Creek confluence. Brook floater is a state endangered species. I've consulted with our aquatic biologists about the possibility of brook floaters in Mill Creek. There are no records from Mill Creek, but we don't have any records of collection efforts there either. So brook floaters may inhabit Mill Creek, near the area proposed for restoration. Our biologist plan to investigate Mill Creek to see if there are brook floaters present or if the habitat there is likely to support them. If brook floaters, or another listed aquatic species is found, additional measures will be needed to protect these species if restoration efforts are likely to impact them. While restoration efforts are likely to improve habitat conditions in the long term in Mill Creek, and potentially improve conditions downstream in the Mitchell River as well, there may be short term impacts to aquatic species and habitats during restoration. Additional measures during restoration may be needed to minimize these short term impacts. Regarding terrestrial species, the U.S. Fish and Wildlife Service (USFWS) recently listed the northern long-eared bat (Myotis septentrionalis) as threatened under the Endangered Species Act. Davie & Surry counties are within the range (https://www.fws.gov/midwest/endangered/mammals/nleb/pdf/WNSZone.pdf) of the northern long- eared bat and may be present or in the vicinity of the project site. As such, consultation with the USFWS may be required. For more information, please see https://www.fws.gov/midwest/endangered/mammals/nleb/ or https://www.fws.gov/raleigh/NLEB RFO.html or contact the Asheville office of the USFWS to ensure that potential issues related to this species are addressed. Please let me know if I can assist further. Also, feel free to follow up on the results of survey efforts in Mill Creek if you have not yet heard from me. Thanks, Vann From: Matthew DeAngelo [mailto:mdeangelo@res.us] Sent: Friday, October 20, 2017 12:50 PM To: Stancil, Vann F <vann.stancil@ncwildlife.org> Cc: Brad Breslow <bbreslow@res.us> Subject: [External] Mockingbird Mitigation Site CAUTION: This email originated from outside of the organization. Do not click links or open attachments unless you verify that the attachment and content are safe. Send all suspicious email as an attachment to report.spam@nc.gov. Dear Mr. Stancil, The Mockingbird Stream Mitigation Site has been identified by Resource Environmental Solutions, LLC (RES) to provide compensatory mitigation for unavoidable stream and wetland impacts through the North Carolina Division of Mitigation Services. The purpose of this letter is to request, review, and comment on any possible issues that might emerge with respect to fish and wildlife associated with a potential stream restoration project on the attached site (USGS site maps with approximate property lines and areas of potential ground disturbance are enclosed along with a KMZ file). We thank you in advance for your timely response and cooperation. You may return the comment to my attention at the address below. Please feel free to contact me at mdeangelo@res.us with any questions that you may have concerning the extent of site disturbance associated with this project. Sincerely, Matt DeAngelo Ecologist RES I res.us Direct: 984.255.9133 1 Mobile: 757.202.4471 Email correspondence to and from this sender is subject to the N.C. Public Records Law and may be disclosed to third parties. fires October 20, 2017 The US Fish and Wildlife Service (USFWS) database (accessed 17 October 2017) lists one 10055 Red Run Blvd. Mrs. Janet Mizzi Suite 130 US Fish and Wildlife Service Owings Mills, MD Small whorled pogonia (Istoria medeoloides). No protected species or potential habitat for 211v Asheville Field Office 33 Terminal Way 160 Zillicoa Street 412 N. 4th St. Asheville, NC 28801 Suite impacts to federally protected species are anticipated as a result of the proposed project. Based on Baton Rouge, LA initial site investigations, no impacts to federally protected species are anticipated as a result of the 70802 Subject: Project Scoping for Little Sebastian Mitigation Project in Surry County Suite 110Raleigh, 100 Calhoun St. Suite 320 Please provide comments on any possible issues that might emerge with respect to endangered Charleston, SC Dear Mrs. Mizzi, 29401 Resource Environmetal Solutions (RES) requests review and comment from the United States Fish 5020 Montrose Blvd. Suite 650 and Wildlife Service (USFWS) on any possible concerns they may have with regards to the Houston, TX implementation of the Little Sebastian Mitigation Project. Please not that this request is in support 77006 fo the development of the Categorical Exclusion (CE) for the referenced project. The proposed 1200 Camellia Blvd. project involves the restoration and enhancement of approximately 7,392 linear feet of stream. The Suite 220 Site is currently in agricultural use, specifically as pasture and row crops. Lafayette, LA 70508 The US Fish and Wildlife Service (USFWS) database (accessed 17 October 2017) lists one 1371/2 East Main St. endangered species for Surry County, North Carolina: Schweinitz's sunflower (Helianthus Suite 210 schweinitzii), and two threatened species: Northern long-eared bat (Myotis septentrionalis) and Oak Hill, WV Small whorled pogonia (Istoria medeoloides). No protected species or potential habitat for 25901 protected species was observed during preliminary site evaluations. A review of the NHP database 33 Terminal Way that there are known occurrences of the Brook floater (Alasmidonta varicose) in the Mitchell River Suite 431 approximately 0.5 miles downstream of the Project area. Based on initial site investigations, no pp Y J g � Pittsburgh, PA 15219 impacts to federally protected species are anticipated as a result of the proposed project. Based on initial site investigations, no impacts to federally protected species are anticipated as a result of the 302 Jefferson St. proposed project. Suite 110Raleigh, NC 27605 Please provide comments on any possible issues that might emerge with respect to endangered species, migratory birds, or other trust resources from the planting of a stream enhancement project W. Main on the subject property. Maps showing the location and approximate limits of the conservation 2"d F 2nd Floor Richmond, VA easement are enclosed. 23220 We thank you in advance for your timely response and cooperation. You may return the comment to my attention at the address below. Please feel free to contact me at mdeangelogres.us with any questions that you may have concerning the extent of site disturbance associated with this project. Sincerely, AIMVA4_ Matt DeAngelo Ecologist 302 Jefferson St., Suite 110 Raleigh, NC 27605 Tel. 984.255.9133 From: Stancil, Vann F <vann.stancil@ncwildlife.org> Sent: Friday, December 1, 2017 1:17 PM To: Matthew DeAngelo Subject: RE: [External] Mockingbird Mitigation Site Matt, Thanks for the opportunity to review these 3 mitigation project for issues related to fish and wildlife. The Mockingbird Stream Mitigation Site is located on Hauser Creek and its tributaries in Davie County. Hauser Creek is a direct tributary to the Yadkin River. There's an existing easement downstream of this new mitigation site. There are no records for any listed aquatic species in the vicinity of this project. The Catbird Stream Mitigation Site appears to be located on an unnamed tributary to the Yadkin River located east of Hauser Creek in Davie County. There are no records for any listed aquatic species in the vicinity of this project. The Little Sebastian Stream Mitigation Site is located in Surry County on Mill Creek and 3 of it's tributaries. Mill Creek is a tributary to the Mitchell River. While there are no records of listed aquatic species in Mill Creek, there are records for brook floater, Alasmidonta varicosa, in the Mitchell River upstream and downstream of the Mill Creek confluence. Brook floater is a state endangered species. I've consulted with our aquatic biologists about the possibility of brook floaters in Mill Creek. There are no records from Mill Creek, but we don't have any records of collection efforts there either. So brook floaters may inhabit Mill Creek, near the area proposed for restoration. Our biologist plan to investigate Mill Creek to see if there are brook floaters present or if the habitat there is likely to support them. If brook floaters, or another listed aquatic species is found, additional measures will be needed to protect these species if restoration efforts are likely to impact them. While restoration efforts are likely to improve habitat conditions in the long term in Mill Creek, and potentially improve conditions downstream in the Mitchell River as well, there may be short term impacts to aquatic species and habitats during restoration. Additional measures during restoration may be needed to minimize these short term impacts. Regarding terrestrial species, the U.S. Fish and Wildlife Service (USFWS) recently listed the northern long-eared bat (Myotis septentrionalis) as threatened under the Endangered Species Act. Davie & Surry counties are within the range (https://www.fws.gov/midwest/endangered/mammals/nleb/pdf/WNSZone.pdf) of the northern long- eared bat and may be present or in the vicinity of the project site. As such, consultation with the USFWS may be required. For more information, please see https://www.fws.gov/midwest/endangered/mammals/nleb/ or https://www.fws.gov/raleigh/NLEB RFO.html or contact the Asheville office of the USFWS to ensure that potential issues related to this species are addressed. Please let me know if I can assist further. Also, feel free to follow up on the results of survey efforts in Mill Creek if you have not yet heard from me. Thanks, Vann From: Matthew DeAngelo [mailto:mdeangelo@res.us] Sent: Friday, October 20, 2017 12:50 PM To: Stancil, Vann F <vann.stancil@ncwildlife.org> Cc: Brad Breslow <bbreslow@res.us> Subject: [External] Mockingbird Mitigation Site CAUTION: This email originated from outside of the organization. Do not click links or open attachments unless you verify that the attachment and content are safe. Send all suspicious email as an attachment to report.spam@nc.gov. Dear Mr. Stancil, The Mockingbird Stream Mitigation Site has been identified by Resource Environmental Solutions, LLC (RES) to provide compensatory mitigation for unavoidable stream and wetland impacts through the North Carolina Division of Mitigation Services. The purpose of this letter is to request, review, and comment on any possible issues that might emerge with respect to fish and wildlife associated with a potential stream restoration project on the attached site (USGS site maps with approximate property lines and areas of potential ground disturbance are enclosed along with a KMZ file). We thank you in advance for your timely response and cooperation. You may return the comment to my attention at the address below. Please feel free to contact me at mdeangelo@res.us with any questions that you may have concerning the extent of site disturbance associated with this project. Sincerely, Matt DeAngelo Ecologist RES I res.us Direct: 984.255.9133 1 Mobile: 757.202.4471 Email correspondence to and from this sender is subject to the N.C. Public Records Law and may be disclosed to third parties. From: Matthew DeAngelo To: 'Russ. W. Thomas" Subject: RE: [External] RE: Mill Creek restoration site Date: Friday, April 6, 2018 4:04:00 PM No worries. Thank you for the extra info. And yes, our activities will be in the pasture upstream. Starting at about 4,500 ft. upstream of the Mitchell River confluence, we will be doing Enhancement activities such as bank stabilization, buffer plantings, and fencing out cattle. Then, about 2,000 ft. above that is where our full -on restoration begins. Then some more Enhancement activities above that. So, we'll see ... maybe those floaters will make their way up some day. From: Russ, W. Thomas [mailto:thomas.russ@ncwildlife.org] Sent: Friday, April 6, 2018 3:00 PM To: Matthew DeAngelo <mdeangelo@res.us> Subject: RE: [External] RE: Mill Creek restoration site Sorry for the short reply. Here is a little more: lower Mill Creek is actually in decent shape, and where it enters Mitchell River is a good population of Brook Floaters. Is the restoration upstream in the cattle pasture? It looked really bad there, it and the Mitchell would benefit greatly. TR From: Matthew DeAngelo [mailto:mdeangeloCcDres.us] Sent: Friday, April 06, 2018 2:52 PM To: Russ, W. Thomas <thomas.russPncwildlife.org> Subject: RE: [External] RE: Mill Creek restoration site ATMExternal email. Do not click links or open attachments unless verified. Send all suspicious email as an att'JOWt to Report Spam. Ok thanks for passing that along. From: Russ, W. Thomas[mailto:thomas.russ(@ncwildlife.org] Sent: Thursday, April 5, 2018 11:32 AM To: Matthew DeAngelo <mdeangelo(@res.us> Subject: RE: [External] RE: Mill Creek restoration site Yes, we surveyed it last week, no mussels, have at it. William On Apr 5, 2018 10:29 AM, Matthew DeAngelo <mdeangelo(@res.us> wrote: Send all suspicious email as an 1 attachment to Report Spam. Hey Russ, Have you thought any more about when to do an assessment of Mill Creek? Thanks, From: Russ, W. Thomas[mailto:thomas.russ(@ncwildlife.org] Sent: Friday, February 23, 2018 8:41 AM To: Matthew DeAngelo <mdeangeloPres.us> Cc: Perkins, Michael <michael.perkins(@ncwildlife.org>; Stancil, Vann F <vann.stancil(@ncwildlife.org> Subject: RE: [External] RE: Mill Creek restoration site Matt, we should be able to assess Mill Creek in mid March. When do you plan to start the project? TR William T. Russ // Foothills Coordinator, Aquatic Wildlife Diversity Program Division of Inland Fisheries NC Wildlife Resources Commission 645-A Fish Hatchery Road Marion, NC 28752 office: 828-803-6035 mobile: 828-777-0495 thomas.russ@ncwildlife.org ncwildlife.ora 7 f j The Wildlife Diversity Program depends on the NC Tax Check -off for Nongame and Endangered Wildlife on line 31 of your NC income tax form. Learn more about the Wildlife Diversity Program. Get NC Wildlife Update -- news including season dates, bag limits, legislative updates and more -- delivered to your Inbox from the N.C. Wildlife Resources Commission. From: Matthew DeAngelo [mailto:mdeangelo(@res.us] Sent: Wednesday, February 21, 2018 2:16 PM To: Stancil, Vann F <vann.stancilC@ncwildlife.org>; Russ, W. Thomas <thomas.russ(@ncwildlife.org>; Perkins, Michael <michael.perkinsCcDncwildlife.org> Subject: [External] RE: Mill Creek restoration site �•L�rnal email. Do not click links or open attachments unless verified. Send all suspicious email as an� eport Spam. Hello all, I wanted to follow-up with you guys to see if you still intend to perform a survey for brook floater at our site. We are ramping up our Mitigation Plan for the project and are interested in the status of this species. Let me know if you have any plans in mind, and we can coordinate an effort accordingly. Thank you. I look forward to hearing from you. Sincerely, From: Stancil, Vann F[mailto:vann.stancil(@ncwildlife.org] Sent: Friday, December 1, 2017 3:25 PM To: Russ, W. Thomas <thomas.russCcDncwildlife.org>; Perkins, Michael <michael.perkins(@ncwildlife.org> Cc: Matthew DeAngelo <mdeangelo(@res.us> Subject: Mill Creek restoration site T.R. & Michael, I've attached information on the Little Sebastian stream mitigation site on Mill Creek, Mitchell River trib. I emailed Matt DeAngelo about the possibility of brook floaters in Mill Creek and your plans to check it out in the near future and copied him here. He is happy to assist with that survey effort and can help with access to Mill Creek near the mitigation site if you'd like to sample there. Just let me know how it goes... The Little Sebastian Stream Mitigation Site has been identified by Resource Environmental Solutions, LLC (RES) to provide compensatory mitigation for unavoidable stream impacts through the North Carolina Division of Mitigation Services. The purpose of this letter is to request, review, and comment on any possible issues that might emerge with respect to fish and wildlife associated with a potential stream restoration project on the attached site (A USGS site map with approximate property lines and areas of potential ground disturbance are enclosed along with a KMZ file). We thank you in advance for your timely response and cooperation. You may return the comment to my attention at the address listed in the attached letter or via email. Please feel free to contact me at mdeangelo(@res.us with any questions that you may have concerning the extent of site disturbance associated with this project. Sincerely, Matt DeAngelo Ecologist RES I res.us ua FTM &AVTLIHIFE United States Department of the InteriorSERVIUE FISH AND WILDLIFE SERVICE Asheville Field Office 160 Zillicoa StreetFl Asheville, North Carolina 28801 November 20, 2017 Mr. Matt DeAngelo Resource Environmental Solutions 302 Jefferson Street, Suite 110 Raleigh, North Carolina 27605 Dear Mr. DeAngelo: Subject: Little Sebastian Catbird Mitigation Site; Surry County, North Carolina Log No. 4-2-18-032 The U.S. Fish and Wildlife Service (Service) has reviewed the information provided in your correspondence received via email dated October 20, 2017. We submit the following comments in accordance with the provisions of the Fish and Wildlife Coordination Act, as amended (16 U.S.C. 661-667e); the National Environmental Policy Act (42 U.S.C. §4321 et seq.); and section 7 of the Endangered Species Act of 1973, as amended (16 U.S.C. 1531-1543) (Act). Project Description According to your correspondence, you are seeking our scoping comments to inform a NEPA document for a proposed mitigation bank near Union Hill, North Carolina. The proposed bank would entail restoration and enhancement of approximately 7,392 linear feet of Mill Creek and its unnamed tributaries. The proposed project would be located approximately 0.8 river miles upstream from the Mitchell River. Adjacent land use is dominated by pasture and row crops. Federally Listed Endangered and Threatened Species According to Service records, suitable summer roosting habitat may be present in the project area for the federally threatened northern long-eared bat (Myotis septentrionalis). However, the final 4(d) rule (effective as of February 16, 2016), exempts incidental take of northern long-eared bat associated with activities that occur greater than 0.25 miles from a known hibernation site, and greater than 150 feet from a known, occupied maternity roost during the pup season (June 1 — July 31). Based on the information provided, the project (which may or may not require tree clearing) would occur at a location where any incidental take that may result from associated activities is exempt under the 4(d) rule. Although not required, we encourage you to avoid any associated tree clearing activities during the maternity roosting season from May 15 — August 15 if possible. The Service has record of no other federally protected species in the project vicinity. However, the proposed project would occur less than one river mile upstream from a reach of the Mitchell River with recent occurrences for the brook floater mussel (Alasmidonta varicosa). The brook floater is a federal species of concern and is not currently afforded legal protection under the Act. However, incorporating proactive conservation measures may help preclude the need to list this species in the future. Like most freshwater mussels, this species is a sessile benthic filter -feeder that is highly sensitive to aquatic habitat modifications. Eutrophication- and sedimentation - mediated impacts are likely among this species' greatest threats. Agricultural runoff may transport toxins that impact juveniles and adults. We offer the following comments in the interest of protecting this and other fish and wildlife resources: Stream Buffers Natural, forested riparian buffers are critical to the health of aquatic ecosystems. They accomplish the following: 1. catch and filter runoff, thereby helping to prevent nonpoint-source pollutants from reaching streams; 2. enhance the in -stream processing of both point- and nonpoint-source pollutants; 3. act as "sponges" by absorbing runoff (which reduces the severity of floods) and by allowing runoff to infiltrate and recharge groundwater levels (which maintains stream flows during dry periods); 4. catch and help prevent excess woody debris from entering the stream and creating logjams; 5. stabilize stream banks and maintain natural channel morphology; 6. provide coarse woody debris for habitat structure and most of the dissolved organic carbon and other nutrients necessary for the aquatic food web; and 7. maintain air and water temperatures around the stream. Forested riparian buffers (a minimum 50 feet wide along intermittent streams and 100 feet wide along perennial streams [or the full extent of the 100 -year floodplain, whichever is greater]) should be created and/or maintained along all aquatic areas. Within the watersheds of streams supporting endangered aquatic species, we recommend undisturbed, forested buffers that are naturally vegetated with trees, shrubs, and herbaceous vegetation and extend a minimum of 200 feet from the banks of all perennial streams and a minimum of 100 feet from the banks of all intermittent streams, or the full extent of the 100 -year floodplain, whichever is greater.) Impervious surfaces, ditches, pipes, roads, utility lines (sewer, water, gas, transmission, etc.), and other infrastructures that require maintained, cleared rights-of-way and/or compromise the functions and values of the forested buffers should not occur within these riparian areas. Stream Channel and Bank Restoration A natural, stable stream system is one that is able to transport a wide range of flows and associated bed load (sediment) while maintaining channel features and neither degrading (accelerating the erosion of banks and scour of the channel bed) nor aggrading (accelerating the deposition of sediment within the channel). Alterations to the dimension (cross-sectional view of the channel), pattern (the sinuosity of the channel), or profile (longitudinal slope) of the stream channel as well as changes to streambank vegetation, floodplains, hydrology, or sediment input can significantly alter this equilibrium. Accordingly, we recommend the following: 2 Only the absolute minimum amount of work should be done within stream channels to accomplish necessary reconstruction. The amount of disturbance to in -stream and riparian areas should not exceed what can be stabilized by the end of the workday. Restoration plans should account for the constraints of the site and the opportunities to improve stream pattern, dimension, and profile with minimal disturbance. 2. All reconstruction work should follow natural channel design methodologies that are based on the bank -full, or channel -forming, stage of the stream. Bank -full stage maintains the natural channel dimensions and transports the bulk of sediment over time (Doll et al. 2003). Natural channel conditions should be identified using a reference reach (nearby stream reaches that exemplify restoration goals). Restoration design should match the pattern, dimension, and profile of the reference reach to ensure the project's success. The Service is available to assist with the identification of reference reaches. 3. All work in or adjacent to stream waters should be conducted in a dry work area to the extent possible. Sandbags, cofferdams, bladder dams, or other diversion structures should be used to prevent excavation in flowing water. These diversion structures should be removed as soon as the work area is stable. When practical, a pump -around operation shall be used to divert flow during construction. 4. Equipment should not be operated in the stream unless absolutely necessary. Machinery should be operated from the banks in a fashion that minimizes disturbance to woody vegetation. Equipment should be: (a) washed to remove any contaminant residue prior to project construction, (b) in good working order, and (c) checked to ensure there are no leaks of potential contaminants (such as oil or other lubricants) prior to and during construction. 5. Streambanks with deep-rooted woody vegetation are the most stable, and stream restoration efforts should incorporate the use of native vegetation adapted to the site conditions. Biodegradable erosion -control materials may be incorporated into bank -restoration design in order to stabilize soils as vegetation becomes established. Live dormant stakes (such as black willow) may be used to reestablish root structure in riparian areas. In areas where banks are severely undercut, high, and steep, whole -tree revetment or rock may be used as a stabilization treatment (small rock, gravel, sand, and dirt are not recommended due to their erosive nature), and it should not extend above the bank -full elevation (the elevation of the channel where the natural floodplain begins). Deep -rooting woody vegetation should be established along banks where any channel work is accomplished. Tree and shrub plantings should be spaced at intervals no greater than 10 feet along banks. Vegetated riparian zone widths should be as wide as practical but should extend at least 30 feet from the stream channel. 6. Adequate measures to control sediment and erosion must be implemented prior to any ground -disturbing activities in order to minimize effects on downstream aquatic resources. In North Carolina, non -cohesive and erosion -prone soils are most common in the felsic-crystalline terrains of the mountain and upper piedmont regions (Miller and 3 Kochel 2010). Therefore, reconstruction work should be staged such that disturbed areas would be stabilized with seeding, mulch, and/or biodegradable (coir) erosion -control matting prior to the end of each workday. No erosion -control matting or blankets should contain synthetic (netting) materials. Matting should be secured in place with staples; stakes; or, wherever possible, live stakes of native trees. If rain is expected prior to temporary seed establishment, additional measures should be implemented to protect water quality along slopes and overburden stockpiles (for example, stockpiles may be covered with plastic or other geotextile material). 7. Woody debris, detritus, and other vegetative materials are the main sources of nutrients and carbon necessary for primary productivity in stream ecosystems. Removal of this material can impact the production of higher trophic levels, including fish. The Service does not recommend the removal of woody debris within the stream channel or floodplain unless it is causing a debris blockage (logjam) or will affect the ability to achieve bank stability along a specific reach of stream. Woody debris that must be removed should be chipped on the site. 8. At each restoration site, cross-sections (at intervals based on restoration reach size), longitudinal profiles, and stream -pattern plans should be measured and mapped prior to and immediately following any channel work. In addition, photographs should be taken to document the condition of the project site prior to initiating the work and upon completion of the work. However, since a project's restoration success does not necessarily equate to biological success, the ecological goals of the project should be clearly defined and assessed for improvement after construction is completed (Palmer et al. 2005). The Service appreciates the opportunity to provide these comments. Please contact Mr. Byron Hamstead of our staff at 828/258-3939, Ext. 225, if you have any questions. In any future correspondence concerning this project, please reference our Log Number 4-2-18-032. Sincerely, - - original signed - - Janet Mizzi Field Supervisor 4 References Doll, B.A., G.L. Grabow, K.R. Hall, J. Halley, W.A. Harman, G.D. Jennings, and D.E. Wise. 2003. Stream Restoration: A Natural Channel Design Handbook. North Carolina Stream Restoration Institute, North Carolina State University. 128 pp. Hall, K. 2003. Recommended Native Plant Species for Stream Restoration in North Carolina. Raleigh: North Carolina Stream Restoration Institute, North Carolina State University. Miller, J.R., and Kochel, R.C. 2010. Assessment of channel dynamics, in -stream structures and post -project channel adjustments in North Carolina and its implications to effective stream restoration. Environmental Earth Sciences, 59(8), pp. 1681-1692. Palmer, M.A., E.S. Bernhardt, J.D. Allan, P.S. Lake, G. Alexander, S. Brooks, J. Carr, S. Clayton, C.N. Dahm, J. Follstad Shah, and D.L. Galat. 2005. Standards for ecologically successful river restoration. Journal of Applied Ecology, 42(2), pp. 208-217. 5 From: Brew, Donnie (FHWA) To: Marella Buncick(Ows.aov Cc: Wiesner. Paul; harry.tsomides(&ncdenr.gov; Cara Conder; Daniel Ingram Subject: Little Sebastian mitigation site NLEB 4(d) rule consultation Date: Tuesday, December 05, 2017 7:40:33 AM Attachments: Little Sebastian NLEB 4ldl rule Consultation Form 12417.odf Good morning Marella, The purpose of this message is to notify your office that FHWA will use the streamlined consultation framework for the Little Sebastian Mitigation Site in Surry County, NC. Attached is a completed NLEB 4(d) Rule Streamlined Consultation form, including site maps. Thank you and have a great day, Donnie Notifying the Service Under the Framework Northern Long -Eared Bat 4(d) Rule Streamlined Consultation Form Federal agencies (or designated non-federal representatives) should use the Northern Long -Eared Bat 4(d) Rule Streamlined Consultation form to notify the Service of their project and meet the requirements of the framework. Northern Long -Eared Bat 4(d) Rule Streamlined Consultation Form (Word document) Information requested in the Northern Long -Eared Bat 4(d) Rule Streamlined Consultation Form serves to (1) notify the field office that an action agency will use the streamlined framework; (2) describe the project with sufficient detail to support the required determination; and (3) enable the USFWS to track effects and determine if reinitiation of consultation for the 4(d) rule is required. This form requests the minimum amount of information required for the Service to be able to track this information. Providing information in the Streamlined Consultation Form does not address section 7(a)(2) compliance for any other listed species. Donnie Brew Preconstruction & Environment Engineer Federal Highway Administration 310 New Bern Ave, Suite 410 Raleigh, NC 27601 donnie.brew(@dot.gov 919-747-7017 ***Please consider the environment before printing this email.*** Northern Long -Eared Bat 4(d) Rule Streamlined Consultation Form Federal agencies should use this form for the optional streamlined consultation framework for the northern long- eared bat (NLEB). This framework allows federal agencies to rely upon the U.S. Fish and Wildlife Service's (USFWS) January 5, 2016, intra -Service Programmatic Biological Opinion (BO) on the final 4(d) rule for the NLEB for section 7(a)(2) compliance by: (1) notifying the USFWS that an action agency will use the streamlined framework; (2) describing the project with sufficient detail to support the required determination; and (3) enabling the USFWS to track effects and determine if reinitiation of consultation is required per 50 CFR 402.16. This form is not necessary if an agency determines that a proposed action will have no effect to the NLEB or if the USFWS has concurred in writing with an agency's determination that a proposed action may affect, but is not likely to adversely affect the NLEB (i.e., the standard informal consultation process). Actions that may cause prohibited incidental take require separate formal consultation. Providing this information does not address section 7(a)(2) compliance for any other listed species. Information to Determine 4(d) Rule Compliance: YES NO 1. Does the project occur wholly outside of the WNS Zone'? ❑ N 2. Have you contacted the appropriate agency2 to determine if your project is near © ❑ known hibernacula or maternity roost trees? 3. Could the project disturb hibernating NLEBs in a known hibernaculum? ❑ N 4. Could the project alter the entrance or interior environment of a known ❑ ❑X hibernaculum? 5. Does the project remove any trees within 0.25 miles of a known hibernaculum at ❑ N any time of ear? 6. Would the project cut or destroy known occupied maternity roost trees, or any ❑ ❑N other trees within a 150 -foot radius from the maternity roost tree from June 1 through July 31. You are eligible to use this form if you have answered yes to question #1 or yes to question #2 and no to questions 3, 4, 5 and 6. The remainder of the form will be used by the USFWS to track our assumptions in the BO. Agency and Applicant3 (Name, Email, Phone No.): Donnie Brew, Donnie.brewkdot.gov, 919-747-7017 Federal Highway Administration Cara Conder, cconder&res.us, 919-209-1052 Resource Environmental Solutions, LLC (EBX is an entity of RES) 1 http://www.fws.gov/midwest/endangered/mammals/nleb/pdf/WNSZone.pdf 'See http://www.fvvs.gov/midwest/endangered/mammals/nleb/nhisites.html a If applicable - only needed for federal actions with applicants (e.g., for a permit, etc.) who are parry to the consultation. Project Name: Little Sebastian Stream Mitigation Site, DMS Project #100027 Project Location (include coordinates if known): The Project is located in Surry County, approximately 10 miles north of Elkin and seven miles west of Dobson. Six reaches are accessible from Ed Nixon Road, and three reaches are accessible from Wild Wings Lane in Thurmond. To access reaches JN1-A, JNI-B, JN2-A, JN2-B, JN3-A, and JN3-B from Raleigh proceed west on I-40 towards Greensboro. Continue on I-40 West for 115 miles. Take exit 188 to merge onto US -421. Stay on US -421 for 28 miles. Take exit 265A and merge onto I-77 toward Elkin. Stay on I-77 for 10 miles and take exit 83 for US -21. Stay on US -21 for 19 miles. Take a right onto Mountain Park Rd for approximately 5 miles (Mountain Park Road becomes Union Hill). Turn right on Ed Nixon Road, and site will be on the left in approximately one mile. To access reaches MCI, BSI -A, and BSI -B follow the directions above to get to 1-77. Once on I-77, drive for 19.3 miles and take exit 93 toward Dobson. Turn left on Zephyr Road for 1.5 miles, then turn right onto Kapps Mill Road for 1.7 miles. Turn left onto Devotion Road, then take the second right onto Wild Wings Lane. Continue on Wild Wings Lane and the site will be at the end of the road. Coordinates for the site are as follows: 36.397000 N, -80.859000 W. Basic Project Description (provide narrative below or attach additional information): The Little Sebastian Stream Mitigation Project is located in Surry County, approximately 10 miles north of Elkin and seven miles west of Dobson (Figure 1). The Project is located in the Yadkin River Basin within Cataloging Unit 03040101 and TLW 03040101080020. The Project area includes Mill Creek and four unnamed tributaries (Figure 2). Water quality stressors currently affecting the Project include livestock production, agricultural production, and lack of riparian buffer. The current State classification for Mill Creek is Class C, Trout Waters Jr), and Outstanding Resource Waters (ORW). Class C waters are protected for uses such as secondary recreation, fishing, wildlife, fish consumption, and aquatic life including propagation, survival and maintenance of biological integrity, and agriculture. The Tr classification is intended to protect freshwaters which have conditions which shall sustain and allow for trout propagation and survival of stocked trout on a year-round basis. An OSW classification is intended to protect unique and special waters having excellent water quality and being of exceptional state or national ecological or recreational significance. The Project will include Priority I stream restoration and stream Enhancement II on nine stream reaches (JN 1-A, JN1-B, JN2-A, JN2-B, JN3-A, JN3-B, MCI, BSI -A, BSI -B). Restoration and enhancement activities will include constructing an E/C type stream with appropriate dimensions and pattern, reconnecting the channel to the floodplain, and backfilling the abandoned channel. In -stream structures such as log sills and brush toes will be installed for vertical stability and to improve habitat. Buffer improvements will filter runoff from agricultural fields, thereby reducing nutrient and sediment loads to the channel. Livestock exclusion fence will be installed along the easement boundary. The widening and restoration of the riparian areas will also provide wildlife corridors throughout the project area. Priority I Stream Restoration will include the following: reconstructing a C/E type stream, installing log structures to provide vertical stability and to improve habitat features, constructing a stream with moderate sinuosity (1.05- 1.10), and using log structures to provide vertical stability and to improve bedform diversity and habitat features. A new channel will be constructed within the natural valley to the north with appropriate dimensions and pattern. Log structures will be used to provide vertical stability, assist in maintaining riffle, run and pool features and to provide habitat features. Habitat will further be improved through buffer plantings and livestock exclusion. Restoration of the channel will reduce sediment loads to downstream reaches by stabilizing eroding banks and improving hydrologic function. Enhancement II activities will include the re-establishment of a riparian buffer and live -staking the channel banks with native vegetation. Proposed buffer activities will improve riparian areas that will filter runoff from adjacent pastures, thereby reducing nutrient and sediment loads to the channel. Livestock exclusion fencing will be installed per current Natural Resource Conservation Service specifications. Two agricultural BMPs are proposed for the upper end of two reaches (BSI and JN2-A) to capture and treat concentrated runoff prior to entering the stream channel, see Figure 2 for location. Any tree removal due to the construction of the stream mitigation site will be limited to the area along the channel banks. An effort will be made to conduct any tree cutting of suitable summer roosting tree species between August 1 and May 31, but will ultimately depend on the construction/contractor timeline. The following objectives are proposed for accomplishing project goals: a. Provide an estimated 4,653 stream mitigation units (SMUs) through Priority I restoration of approximately 2,826 linear feet (Reaches BSI -A, JN1-B, JN2-A, and JN3-B) and Enhancement II on 4,568 linear feet (Reaches BSI -B, JN1-A, JN2-13, JN3-A, and MCI) of existing stream. b. Restore stable channel morphology and proper sediment transport capacity. c. Create and improve stream bed form and improve aquatic and benthic macroinvertebrate habitat. d. Construct a floodplain bench that is accessible at the proposed bankfull channel elevation. e. Improve channel and stream bank stabilization by integrating in -stream structures and native bank vegetation. f. Provide approximately 15.6 acres of riparian buffer restoration by establishing a native forested and herbaceous riparian buffer plant community with a minimum width of 30 feet from the edge of the restored channels. This new community will be established in conjunction with the eradication of any existing exotic or undesirable plant species. Proposed Mitigation Reach Restoration Level Linear Feet Mitigation Ratio Stream Mitigation Units SMUS BSI -A Restoration 695 1 : 1 695 BSI -B Enhancement 11 763 2.5 : 1 305 JN1-A Enhancement 11 1,324 2.5 : 1 530 JNI-B Restoration 694 1 : 1 694 JN2-A Restoration 436 1 : 1 ■ JN2-B Enhancement 11 925 2.5 : 1 370 JN3-A Enhancement 11 366 2.5 : 1 JN3-B Restoration 1,001 1 : 1 1,001 MCI. Enhancement 11 1,190 2.5 : 1 476 Stream Totals 7,394 4,653 General Proiect Information YES NO Does the project occur within 0.25 miles of a known hibernaculum? Cl Does the project occur within 150 feet of a known maternity roost tree? ❑ Does the project include forest conversion? (if yes, report acreage below) ® ❑ Estimated total acres of forest conversion 1.0 ac If known, estimated acres' of forest conversion from April 1 to October 31 1.0 ac If known estimated acres of forest conversion from June 1 to July 31' Does the project include timber harvest? (if yes, report acreage below) ❑ Estimated total acres of timber harvest If known estimated acres of timber harvest from April 1 to October 31 If known, estimated acres of timber harvest from June I to July 31 Does the project include prescribed fire? (if yes, report acreage below) ❑ E Estimated total acres of prescribed fire If known, estimated acres of prescribed fire from April I to October 31 If known, estimated acres of prescribed fire from June I to July 31 Does the project install new wind turbines? (if yes, report capacity in MW below) ❑ E Estimated wind capacity MW Agency Determination: By signing this form, the action agency determines that this project may affect the NLEB, but that any resulting incidental take of the NLEB is not prohibited by the final 4(d) rule. If the USFWS does not respond within 30 days from submittal of this form, the action agency may presume that its determination is informed by the best available information and that its project responsibilities under 7(a)(2) with respect to the NLEB are fulfilled through the USFWS January 5, 2016, Programmatic BO. The action agency will update this determination annually for multi-year activities. The action agency understands that the USFWS presumes that all activities are implemented as described herein. The action agency will promptly report any departures from the described activities to the appropriate USFWS Field Office. The action agency will provide the appropriate USFWS Field Office with the results of any surveys conducted for the NLEB. Involved parties will promptly notify the appropriate USFWS Field Office upon finding a dead, injured, or sick NLEB. tV Signature; Date Submitted:/ Z "Any activity that temporarily or permanently removes suitable forested habitat, including, but not limited to, tree removal from development, energy production and transmission, mining, agriculture, etc. (see page 48 of the BO). If the project removes less than 10 trees and the acreage is unknown, report the acreage as less than 0.1 acre. 6 If the activity includes tree clearing in June and July, also include those acreage in April to October. ril 1cl c V al l e y ei I1 Eunice ; g L—gap R—,"q :;,rp 34.b �r 6pP� Gina t.eme.curq w, m, S ' P Ra OohSnn Thurmond i Y i• T1 a r>I ni r a pa nc S lata RM 3r.. FO I� I 1 I r • I I � I � a Ilecc��R (ae I � I I � I Elkin ^ _ w:n. bn Ra �one.rruH 600miue Atlinytm Legend w"r Ronda �. ' ��+tu nd •: - Little Sebastian Easement �. TLW: 03040101080020 Sources: Esri, HERE, DeLorme, USGS, Intermap, INCREMENT P, NRCan, Esri Japan, METI, Esri China (Hong Kong), Esri Korea, Esri (Thailand), Mapmylndia, NGCC, © OpenStreetMap contributors, and the GIS User Community Figure 1 Date: 11/13/2017 WE 1 inch = 3 miles Drawn by: MDEres Watershed Map 0 155 3 6 Little Sebastian Stream Mitigation Site Miles Slurry County, North Carolina 'r s }� � �� ��`* DRi t �'i•� � � �y � �� r is tY ��si-!!. ,�! .����!�''�j� }�'7 r �� .s�,F�y y �.'S` i. I ��i h 7 • �' , � r ._i Ilk I 1' •7d4 �• �� T7 ar a .�t�- �� 's ,yrs •�;� ��f ? 4 a� tj•! 17 rl Legen Little Sebastian Easement • �7 1 Proposed Mitigation Crossing f Reach ID: Mitigation Type: Reach Length: Mitigation Ratio: SMU Yield:Enhancement I til Restoration 695 1.0:•� s Enhancement 11 Enhancement III Preservation r iRestoration + Agricultural BS1-B Enhancement II 763 2.5 :1 305 f JN1-A Enhancement II 1324 2.5 :1 530 ' JN1-B Jf 694 1.0:1 694 J� y� r JN2-A Restoration • 1.0:1 436 ! 2 � �i�=Ri :`+�. J j� �. � ,. # �'� 1 _ � • �, ",.rte 2.5 : 1 370 JN3-A Enhancement II 366 2.5 : 1 146 JN3-B Restoration S ti x''11 f 1001 Mc1 4 1190 2.5 :1 � �, rryy ,��{'+. yT ,ham } +�t� �.'� � ► ����r • �`�y �- };4.� � r, �� r .. //y�am. -� Y.l. , �• L ��_• i� . r��� S#'r• r � � ?G , �.#'•- ..i� _ . _ ill• _. - •.•;. -'Ci'_.•.'idc , s-�`' 2•r f� ��.y ._f's''S.i 'r s }� � �� ��`* DRi t �'i•� � � �y � �� r is tY ��si-!!. ,�! .����!�''�j� }�'7 r �� .s�,F�y y �.'S` i. I ��i h 7 • �' , � r ._i Ilk I 1' •7d4 �• �� T7 ar a .�t�- �� 's ,yrs •�;� ��f ? 4 a� tj•! 17 rl Legen Little Sebastian Easement • �7 1 Proposed Mitigation Crossing f Reach ID: Mitigation Type: Reach Length: Mitigation Ratio: SMU Yield:Enhancement I til Restoration 695 1.0:•� s Enhancement 11 Enhancement III Preservation r iRestoration + Agricultural BS1-B Enhancement II 763 2.5 :1 305 f JN1-A Enhancement II 1324 2.5 :1 530 ' JN1-B Restoration 694 1.0:1 694 J� y� r JN2-A Restoration 436 1.0:1 436 JN2-B Enhancement II 925 2.5 : 1 370 JN3-A Enhancement II 366 2.5 : 1 146 JN3-B Restoration 1001 1.0:1 1001 Mc1 Enhancement II 1190 2.5 :1 476 JC a Stream Totals 7394 4653 _ r Figure 2 Date: 1111 312 01 7 1 inch = 600 feet Drawn by: MDE wE Conceptual Design Map 0 30o soo 1,200 Little Sebastian Stream Mitigation Site res Feet Surry County, North Carolina {;�°� �;s ��• it jt�� .�-- �. fi ��_rAP a -' Agin -T ! ter* �► � r . ,"WAI � f 45 ZA Legend Little Sebastian EasementY� *. .% f AW Temporary Forest Impacts Proposed Mitigation ��.ILWW V Crossing _ t Enhancement I * � � • � s Enhancement 11 Enhancement III df LL ': - } f,• r tr _ T �y 4�'�A � i ♦� �R. Preservation Restoration t. Figure 3 Date: 1111012017 Temporary Forest Impacts Map 1 inch = 600 feet Drawn by: MDE w�E 0 soo 600 1,200 Little Sebastian Stream Mitigation Site res Feet Surry County, North Carolina fires October 20, 2017 The Little Sebastian Site has been identified for the purposes of providing mitigation for 1371/2 East Main St. unavoidable stream channel impacts in the Yadkin River Basin. RES has been awarded the Suite 210 contract to design and implement the Little Sebastian project. A requirement of the project is to oak Hill, WV prepare and Environmental Resource Technical Document that describes resources present on the 25901 project site. 33 Terminal Way Suite 431 The Project is located in the Middle Mitchell River 03040101080020 a Targeted Local Pittsburgh, PA J ( ), g 15219 Watershed (TLW) in the Yadkin River Basin. The Project supports many of the Upper Yadkin River Basin Restoration Priorities (RBRP) goals and presents an opportunity to restore and 302 Jefferson St. enhance 8,800 linear feet of warm water stream and ec riparian corridor. The Project p t will provide Suite 110 p Raleigh, NC numerous ecological and water quality benefits within the Yadkin River Basin. These benefits are 27605 not limited to the project area, but have more far-reaching effects throughout the Yadkin River Basin. The Project will provide improvements to water quality, hydrologic function, and habitat. 1 521 W. Main 2 Floor Coordinates for the site are as follows: 36.397000 N, -80.859000 W. Richmond, VA 23220 An inventory of soils data was completed by RES utilizing Web Soil Survey to determine prime farmland classifications for the project area. One soil map unit in the project area is classified as prime farm land, making up approximately 44% of the site. One map soil unit in the project area is classified as Prime farmland if drained and either protected from flooding or not frequently flooded during the growing season, making up approximately 17% of the site. Two soil map units in the project area are classified as not prime farmland, making up 38% of the site. Enclosed is Form AD -1006 with Parts I and III Completed and maps of the Little Sebastian Site. We ask that you review the site information and complete Parts II, IV, and V as required by NRCS. Please email (mengelgres.us), or mail your reply to the address below. 10055 Red Run Blvd. Lee Holcomb Suite 130 Natural Resources Conservation Service Owings Mills, MD zlu7 220 Cooper Street Dobson, NC 27017-8801 412 N. 4th St. Suite 300 Baton Rouge, LA Subject: AD -1006 Request for the Little Sebastian Mitigation Site in Surry County 70802 100 Calhoun St. Dear Mr. Holcomb, Suite 320 Charleston, SC 29401 Resource Environmental Solutions (RES) requests review and comment from the Natural Resources Conservation Service on any possible concerns that may emerge with respect to 5020 Montrose Blvd. Suite 650 farmland resources including prime, unique, statewide or local important farmland associated Houston, TX with the Little Sebastian stream mitigation project. This project is being developed for the 77006 North Carolina Division of Mitigation Services. Please note that this request is in support 1200 Camellia Blvd. of the development of the Categorical Exclusion (CE) and an Environmental Resource Suite 220 Technical Report for the referenced project. Lafayette, LA 70508 The Little Sebastian Site has been identified for the purposes of providing mitigation for 1371/2 East Main St. unavoidable stream channel impacts in the Yadkin River Basin. RES has been awarded the Suite 210 contract to design and implement the Little Sebastian project. A requirement of the project is to oak Hill, WV prepare and Environmental Resource Technical Document that describes resources present on the 25901 project site. 33 Terminal Way Suite 431 The Project is located in the Middle Mitchell River 03040101080020 a Targeted Local Pittsburgh, PA J ( ), g 15219 Watershed (TLW) in the Yadkin River Basin. The Project supports many of the Upper Yadkin River Basin Restoration Priorities (RBRP) goals and presents an opportunity to restore and 302 Jefferson St. enhance 8,800 linear feet of warm water stream and ec riparian corridor. The Project p t will provide Suite 110 p Raleigh, NC numerous ecological and water quality benefits within the Yadkin River Basin. These benefits are 27605 not limited to the project area, but have more far-reaching effects throughout the Yadkin River Basin. The Project will provide improvements to water quality, hydrologic function, and habitat. 1 521 W. Main 2 Floor Coordinates for the site are as follows: 36.397000 N, -80.859000 W. Richmond, VA 23220 An inventory of soils data was completed by RES utilizing Web Soil Survey to determine prime farmland classifications for the project area. One soil map unit in the project area is classified as prime farm land, making up approximately 44% of the site. One map soil unit in the project area is classified as Prime farmland if drained and either protected from flooding or not frequently flooded during the growing season, making up approximately 17% of the site. Two soil map units in the project area are classified as not prime farmland, making up 38% of the site. Enclosed is Form AD -1006 with Parts I and III Completed and maps of the Little Sebastian Site. We ask that you review the site information and complete Parts II, IV, and V as required by NRCS. Please email (mengelgres.us), or mail your reply to the address below. We thank you in advance for your timely response and cooperation. Please feel free to contact me with any questions that you may have concerning the extent of site disturbance associated with this project. Sincerely, Megan D Engel Field Ecologist 302 Jefferson St., Suite 110 Raleigh, NC 27605 Tel. 919.209.1052 Fax: 919.829.9913 Attachements: Vicinity map (Figure 1), USGS topographc map (Figure 2), Conceptual Plan Maps (Figure 7A, and 7B), and AD -1006 USDA United States Department of Agriculture Natural Resources Conservation Service November 14, 2017 North Carolina State Office Megan D Engel 4407 Bland Road Field Ecologist Suite 117 Res Raleigh, NC 27609 302 Jefferson St., Suite 110 Voice 919-873-2171 Raleigh, NC 27605 Fax (844) 325-2156 Dear Megan D Engel: Thank you for your letter dated October 25, 2017, Subject: Little Sebastian Conservation Easement, Surry County, NC. The following guidance is provided for your information. Projects are subject to the Farmland Protection Policy Act (FPPA) requirements if they may irreversibly convert farmland (directly or indirectly) to non- agricultural use and are completed by a federal agency or with assistance from a federal agency. Farmland means prime or unique farmlands as defined in section 1540(c)(1) of the FPPA or farmland that is determined by the appropriate state or unit of local government agency or agencies with concurrence of the Secretary of Agriculture to be farmland of statewide local importance. For the purpose of FPPA, farmland includes prime farmland, unique farmland, and land of statewide or local importance. Farmland subject to FPPA requirements does not have to be currently used for cropland. It can be forestland, pastureland, cropland, or other land, but not water or urban built-up land. Farmland does not include land already in or committed to urban development or water storage. Farmland already in urban development or water storage includes all such land with a density of 30 structures per 40 -acre area. Farmland already in urban development also includes lands identified as urbanized area (UA) on the Census Bureau Map, or as urban area mapped with a tint overprint on the United States Geological Survey (USGS) topographical maps, or as urban -built-up on the United States Department of Agriculture (USDA) Important Farmland Maps. The area in question meets one or more of the above criteria for Farmland. Farmland area will be affected or converted. Enclosed is the Farmland Conversion Impact Rating form AD 1006 with PARTS II, IV and V completed by NRCS. The corresponding agency will need to complete the evaluation, according to the Code of Federal Regulation 7CFR 658, Farmland Protection Policy Act. The Natural Resources Conservation Service is an agency of the Department of Agriculture's Natural Resources mission. An Equal Opportunity Provider, Employer and Lender Megan D Engel Page 2 If you have any questions, please contact Milton Cortes, Assistant State Soil Scientist at 919-873-2171 or by email: milton.cortes&nc.usda.gov. Again, thank you for inquiry. If we can be of further assistance, please do not hesitate to contact us. Sincerely, Milton Cortes Assistant State Soil Scientist cc: Kent Clary, State Soil Scientist, NRCS, Raleigh, NC fires October 26, 2017 Mr. William Elliott U.S. Army Corps of Engineers Asheville Field Office 151 Patton Avenue, Room 208 Asheville, NC 28801-5006 Dear Mr. William Elliott, Resource Environmental Solutions (RES) is pleased to present this Request for a Preliminary Jurisdictional Determination for Little Sebastian and Gideon Stream Mitigation Sites located in Dobson, Surry County, North Carolina. As part of this scope of work, RES is submitting this request to the U.S. Army Corps of Engineers (Corps) for a confirmation of the limits of Waters of the U.S. on the subject site. The Little Sebastian Site was contracted through Division of Mitigation Services (DMS) in response to RFP #16-006993 for the Yadkin River Basin (HUC 03040101, TLW 03040101080020) to provide cool water stream mitigation units. The adjacent Gideon Site will be developed as a stream mitigation bank site. The two sites will be developed through separate banking instruments. Altogether, the projects provide an opportunity to restore and enhance over 10,000 linear feet of cool water stream and riparian corridor. The purpose of the two sites is to generate mitigation and ecological benefit in HUC 03040101 of the Yadkin River Basin. The stream channels on the site have been classified using the North Carolina Division of Water Resources methodology. Current stream conditions along the proposed reaches demonstrate habitat degradation as a result of impacts from livestock and a lack of riparian buffers. The restoration approach for this project will be a combination of restoration and enhancement. Proposed treatment activities may range from minor bank grading and planting to re-establishing stable planform and hydraulic geometry. The objective of this approach is to design a geomorphically stable channel that provides habitat improvements and ties into the existing landscape. Within the boundaries of the proposed project, three jurisdictional wetlands are present. The Restoration Plan for both sites is currently in development. Attachments for Reference - Jurisdictional Determination Request Form - Preliminary Jurisdictional Determination Form - Landowner Authorization Form - Project Vicinity Map - Project Location Map (with topography) - National Wetlands Inventory Map - Aerial Imagery - Soils Map - Wetland Delineation Data Sheets - Waters of the U.S. Delineation Map fires RES respectfully requests that the Corps confirm this delineation of Waters of the U.S. on this property. I will contact you in the coming days to arrange a site visit for this purpose. Please contact me at (919) 926-1473 if you have any additional questions regarding this matter. Sincerely, Jeremy Schmid, PWS Ecologist Attachments 412 N. 4th St. #300 1200 Camellia Blvd. #220 1434 Odenton Rd. 10055 Red Run Blvd. #130 302 Jefferson St. #110 33 Terminal Way #431 Baton Rouge, LA 70802 Lafayette, LA 70508 Odenton, MD 21113 Owings Mills, MD 21117 Raleigh, NC 27605 Pittsburgh, PA 15219 701 E. Bay St. #306 5020 Montrose Blvd. #650 2750 Prosperity Ave. #220 1521 W. Main 2n1 Floor 3751 Westerre Pkwy. #A 5367 Telephone Rd. 1371/2 East Main St. #210 Charleston, SC 29403 Houston, TX 77006 Fairfax, VA 22031 Richmond, VA 23233 Richmond, VA 23220 Warrenton, VA 20187 Oak Hill, WV 25901 fires November 20, 2017 Chris & Gwyn Nixon Jimmy & Vivian Nixon 611 Ed Nixon Road Thurmond, NC 28683 Re: Little Sebastian Stream Mitigation Project Dear Nixon Family, As part of the environmental documentation process in preparation for the stream mitigation project on your property, this letter is to inform you of provisions in the Federal Highway Administration Uniform Relocation Assistance and Real Property Acquisition Policies Act of 1970, as amended, referred to as the Uniform Act. The Uniform Act requires that we inform you in writing that this conservation easement transaction is voluntary and that the project is being developed by Environmental Banc & Exchange, LLC for the North Carolina Division of Mitigation Services (NCDMS). Neither EBX nor NCDMS have the authority to acquire the property by eminent domain. In addition, EBX believes that the agreed purchase price for the conservation easement area represents the fair market value. This letter is for your information, and you do not need to respond. As always, please feel free to call me at 919-817-7378 with any questions. Sincerely, Daniel Ramsay Land Representative 412 N. 4th St. #300 1200 Camellia Blvd. #220 1434 Odenton Rd. 10055 Red Run Blvd. #130 302 Jefferson St. #110 33 Terminal Way #431 Baton Rouge, LA 70802 Lafayette, LA 70508 Odenton, MD 21113 Owings Mills, MD 21117 Raleigh, NC 27605 Pittsburgh, PA 15219 701 E. Bay St. #306 5020 Montrose Blvd. #650 2750 Prosperity Ave. #220 1521 W. Main 2n1 Floor 3751 Westerre Pkwy. #A 5367 Telephone Rd. 1371/2 East Main St. #210 Charleston, SC 29403 Houston, TX 77006 Fairfax, VA 22031 Richmond, VA 23233 Richmond, VA 23220 Warrenton, VA 20187 Oak Hill, WV 25901 fires November 20, 2017 Byron & Mary Shaw 227 Hawthorne Road Elkin, NC 28621 Re: Little Sebastian Stream Mitigation Project Dear Byron and Mary, As part of the environmental documentation process in preparation for the stream mitigation project on your property, this letter is to inform you of provisions in the Federal Highway Administration Uniform Relocation Assistance and Real Property Acquisition Policies Act of 1970, as amended, referred to as the Uniform Act. The Uniform Act requires that we inform you in writing that this conservation easement transaction is voluntary and that the project is being developed by Environmental Banc & Exchange, LLC for the North Carolina Division of Mitigation Services (NCDMS). Neither EBX nor NCDMS have the authority to acquire the property by eminent domain. In addition, EBX believes that the agreed purchase price for the conservation easement area represents the fair market value. This letter is for your information, and you do not need to respond. As always, please feel free to call me at 919-817-7378 with any questions. Sincerely, Daniel Ramsay Land Representative 412 N. 4th St. #300 1200 Camellia Blvd. #220 1434 Odenton Rd. 10055 Red Run Blvd. #130 302 Jefferson St. #110 33 Terminal Way #431 Baton Rouge, LA 70802 Lafayette, LA 70508 Odenton, MD 21113 Owings Mills, MD 21117 Raleigh, NC 27605 Pittsburgh, PA 15219 701 E. Bay St. #306 5020 Montrose Blvd. #650 2750 Prosperity Ave. #220 1521 W. 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E � = d CQ �-1 1 rn 4 N C G p N C F .7 `+ E Vl ✓ 'G E Lt r3 o�.t E n ^o nr✓- c '� or'o c n a 4L o o m*'0`7�� 4.4 kA -t n v.•9i$,=3Fy�r��Y�.�'c3'^Er�GomTM'��.��re"�P�� V yU.� x °_ epe'en��i = z❑iEi =c �" vw_ cd rte- iJ _ ry C c r� c Q n •n °� E ov r, - gin A n-8 q _v E 6..- v❑ o „ c x a $ ^ $ ' I Luo v s,� c; L ru au a K -f ^�� '-^14 o^ c ��s=F egr��Yymc� a�—ry z Z c on � � O L_ `}❑+ y H q .-e ,^$�?i=Y' vc£dLr� �XwNu/ 4`"£: Yao Erns LL: oFprsc� ii=G�3 ❑.Po s�3 $=a� v N �� c����:� C_b C CY. tt X S U C fir,,• From: Brew, Donnie (FHWA) To: Wiesner, Paul Cc: Cara Conder; Daniel Ingram; Tsomides, Harry Subject: RE: Three (3) CE/ ERTR Reports and NLEB Consultation Forms - Resource Environmental Solutions (RES) Date: Friday, December 08, 2017 4:44:35 PM Attachments: imaae003.pna Catbird site CE signature page 12-8-17.pdf Little Sebastian site CE signature pace 12-8-17.pdf Mockinabird site CE signature Daae 12-8-17.Ddf Good afternoon Paul, FHWA has reviewed and approved the CEs associated with the 3 projects listed below. Please see the attached approved CE signature sheets. As you saw in previous emails, FHWA has notified USFWS of our intent to utilize the NLEB 4(d) rule for each of these projects. Please ensure the appropriate documentation from those earlier emails is retained in each respective project file. Additionally, each of the CEs includes documentation that explains compliance with the Uniform Act has been satisfied. Please ensure each project file contains documentation that demonstrates the compliance efforts. Excerpt from the CEs — "Notification of fair market value of the property and the lack of condemnation authority was completed by RES. The landowner was notified of fair market value and condemnation authority was listed in the option agreement." Have a great weekend, Donnie Donnie Brew Preconstruction & Environment Engineer Federal Highway Administration 310 New Bern Ave, Suite 410 Raleigh, NC 27601 donnie.brew@dot.gov 919-747-7017 ***Please consider the environment before printing this email.*** From: Wiesner, Paul [mailto:paul.wiesner@ncdenr.gov] Sent: Monday, December 04, 2017 12:00 PM To: Brew, Donnie (FHWA) <Donnie.Brew@dot.gov> Cc: Cara Conder <cconder@res.us>; Daniel Ingram <dingram@res.us>; Tsomides, Harry <harry.tsomides@ncdenr.gov> Subject: Three (3) CE/ ERTR Reports and NLEB Consultation Forms - Resource Environmental Solutions (RES) Donnie, At the link below, you will find three (3) CE/ ERTR reports and the associated NLEB consultation forms for your review and approval: https://northcarolinadeptofenvandnat.sharefile.com/d-s2a48a10079549a9a Catbird DMS# 100022 Mockingbird_DMS# 100021 Little Sebastian DMS# 100027 Please let us know any comments you have and we will revise the documents accordingly. Thanks Paul Wiesner Western Regional Supervisor North Carolina Department of Environmental Quality Division of Mitigation Services 828-273-1673 Mobile paul.wiesnerlc_ncdenr.gov Western DMS Field Office 5 Ravenscroft Drive Suite 102 Asheville, N.C. 28801 f --`Nothing Compares Email correspondence to and from this address is subject to the North Carolina Public Records Law and may be disclosed to third parties. Form AD -1006 U.S. Department of Agriculture FARMLAND CONVERSION IMPACT RATING PART I (To be completed by Federal Agency) Date Of Land Evaluation Request 10/20/2017 Name of Project Little Sebastian Federal Agency Involved Federal Highway Admin FHWA Proposed Land Use Conservation Easement County and State Surry County, North Carolina PART II (To be completed by NRCS) Date Re uest Received By NRCS October 25, 2017 P , n Co pleting F r Killion fortes RSCS NC Does the site contain Prime, Unique, Statewide or Local Important Farmland? (If no, the FPPA does not apply - do not complete additional parts of this form) YES NO Z✓ ❑ Acres Irrigated none Average Farm Size 101 acres Major Crop(s) CORN Farmable Land In Govt. Jurisdiction Acres: 54 % 187,236 acres Amount of Farmland As Defined in FPPA Acres: 44.8 pro 155,337 acres Name of Land Evaluation System Used Surry Co. NRCS LESA Name of State or Local Site Assessment System N/A Date Land Evaluation Returned by NRCS November 14, 2017 by eMail PART III (To be completed by Federal Agency) Alternative Site Rating Site A Site B Site C I Site D A. Total Acres To Be Converted Directly 15.4 B. Total Acres To Be Converted Indirectly C. Total Acres In Site 15.4 PART IV (To be completed by NRCS) Land Evaluation Information A. Total Acres Prime And Unique Farmland 6.80 B. Total Acres Statewide Important or Local Important Farmland 2.70 C. Percentage Of Farmland in County Or Local Govt. Unit To Be Converted 0.0061 D. Percentage Of Farmland in Govt. Jurisdiction With Same Or Higher Relative Value 12.3% PART V (To be completed by NRCS) Land Evaluation Criterion Relative Value of Farmland To Be Converted Scale of 0 to 100 Points 56 PART VI (To be completed by Federal Agency) Site Assessment Criteria Maximum Criteria are explained in 7 CFR 658.5 b. For Corridorproject use form NRCS-CPA-106 Points Site A Site B Site C Site D 1. Area In Non -urban Use (15) 15 2. Perimeter In Non -urban Use (10) 10 3. Percent Of Site Being Farmed (20) 18 4. Protection Provided By State and Local Government (20) 0 5. Distance From Urban Built-up Area (15) 15 6. Distance To Urban Support Services (15) 14 7. Size Of Present Farm Unit Compared To Average (10) 10 8. Creation Of Non-farmable Farmland (10) 0 9. Availability Of Farm Support Services (5) 5 10. On -Farm Investments (20) 10 11. Effects Of Conversion On Farm Support Services (10) 0 12. Compatibility With Existing Agricultural Use (10) 8 TOTAL SITE ASSESSMENT POINTS 160 105 0 0 0 PART VII (To be completed by Federal Agency) Relative Value Of Farmland (From Part V) 100 56 0 0 0 Total Site Assessment (From Part VI above or local site assessment) 160 105 0 0 0 TOTAL POINTS (Total of above 2 lines) 260 161 0 0 0 Site Selected: Date Of Selection Was A Local Site Assessment Used? YES NO Reason For Selection: Name of Federal agency representative completing this form: Date: (See Instructions on reverse side) Form ADA 006 (03-02) STEPS IN THE PROCESSING THE FARMLAND AND CONVERSION IMPACT RATING FORM Step 1 - Federal agencies (or Federally funded projects) involved in proposed projects that may convert farmland, as defined in the Farmland Protection Policy Act (FPPA) to nonagricultural uses, will initially complete Parts I and III of the form. For Corridor type projects, the Federal agency shall use form NRCS-CPA-106 in place of form AD -1006. The Land Evaluation and Site Assessment (LESA) process may also be accessed by visiting the FPPA website, http://fppa.nres.usda.gov/lesa/. Step 2 - Originator (Federal Agency) will send one original copy of the form together with appropriate scaled maps indicating location(s)of project site(s), to the Natural Resources Conservation Service (NRCS) local Field Office or USDA Service Center and retain a copy for their files. (NRCS has offices in most counties in the U.S. The USDA Office Information Locator may be found at http://offices.usda.gov/scripts/ndISAPI.dll/oip public/USA map, or the offices can usually be found in the Phone Book under U.S. Government, Department of Agriculture. A list of field offices is available from the NRCS State Conservationist and State Office in each State.) Step 3 - NRCS will, within 10 working days after receipt of the completed form, make a determination as to whether the site(s) of the proposed project contains prime, unique, statewide or local important farmland. (When a site visit or land evaluation system design is needed, NRCS will respond within 30 working days. Step 4 - For sites where farmland covered by the FPPA will be converted by the proposed project, NRCS will complete Parts II, IV and V of the form. Step 5 - NRCS will return the original copy of the form to the Federal agency involved in the project, and retain a file copy for NRCS records. Step 6 - The Federal agency involved in the proposed project will complete Parts VI and VII of the form and return the form with the final selected site to the servicing NRCS office. Step 7 - The Federal agency providing financial or technical assistance to the proposed project will make a determination as to whether the proposed conversion is consistent with the FPPA. INSTRUCTIONS FOR COMPLETING THE FARMLAND CONVERSION IMPACT RATING FORM (For Federal Agency) Part I: When completing the "County and State" questions, list all the local governments that are responsible for local land use controls where site(s) are to be evaluated. Part III: When completing item B (Total Acres To Be Converted Indirectly), include the following: 1. Acres not being directly converted but that would no longer be capable of being farmed after the conversion, because the conversion would restrict access to them or other major change in the ability to use the land for agriculture. 2. Acres planned to receive services from an infrastructure project as indicated in the project justification (e.g. highways, utilities planned build out capacity) that will cause a direct conversion. Part VI: Do not complete Part VI using the standard format if a State or Local site assessment is used. With local and NRCS assistance, use the local Land Evaluation and Site Assessment (LESA). 1. Assign the maximum points for each site assessment criterion as shown in § 658.5(b) of CFR. In cases of corridor -type project such as transportation, power line and flood control, criteria #5 and #6 will not apply and will, be weighted zero, however, criterion #8 will be weighed a maximum of 25 points and criterion #11 a maximum of 25 points. 2. Federal agencies may assign relative weights among the 12 site assessment criteria other than those shown on the FPPA rule after submitting individual agency FPPA policy for review and comment to NRCS. In all cases where other weights are assigned, relative adjustments must be made to maintain the maximum total points at 160. For project sites where the total points equal or exceed 160, consider alternative actions, as appropriate, that could reduce adverse impacts (e.g. Alternative Sites, Modifications or Mitigation). Part VII: In computing the "Total Site Assessment Points" where a State or local site assessment is used and the total maximum number of points is other than 160, convert the site assessment points to a base of 160. Example: if the Site Assessment maximum is 200 points, and the alternative Site "A" is rated 180 points: Total points assigned Site A 180 X 160 = 144 points for Site A Maximum points possible = 200 For assistance in completing this form or FPPA process, contact the local NRCS Field Office or USDA Service Center. NRCS employees, consult the FPPA Manual and/or policy for additional instructions to complete the AD -1006 form. Appendix L —DMS Floodplain Requirements Checklist r� os stem E ar�ement PROGRAM EEP Floodplain Requirements Checklist This form was developed by the National Flood Insurance program, NC Floodplain Mapping program and Ecosystem Enhancement Program to be filled for all EEP projects. The form is intended to summarize the floodplain requirements during the design phase of the projects. The form should be submitted to the Local Floodplain Administrator with three copies submitted to NFIP (attn. State NFIP Engineer), NC Floodplain Mapping Unit (attn. State NFIP Coordinator) and NC Ecosystem Enhancement Program. Project Location Name of project: Little Sebastian Name if stream or feature: Mill Creek County: Surry County Name of river basin: Yadkin — Pee Dee River Basin Is project urban or rural? Rural Name of Jurisdictional municipality/county: Surry County DFIRM panel number for entire site: 4946 (map number 3710494600J, effective date August 18, 2009) Consultant name: Resource Environmental Solutions Phone number: (919) 209-1052 Address: 302 Jefferson Street, Suite 110 Raleigh, NC 27605 FEMA Floodplain_ Checklist Page 1 of 4 Design Information The Little Sebastian Mitigation Site is located within a rural watershed in Surry County, within the Yadkin River Basin and USGS 14 -digit HUC 03040101080020. The Project proposes to restore 2,721 linear feet (LF), enhance 4,929 LF, preserve 418 LF of stream, and provide water quality benefit for 25.91 acres of drainage area. The Gideon Mitigation Bank is nestled between two Project easement locations (east and west), involving Mill Creek and three unnamed tributaries. The stream mitigation components are summarized in the table below. The purpose of the Project is to meet water quality improvements addressed in the River Basin Restoration Priorities and improve overall stream health. Reach Length Mitigation Type JN2-A 418 Preservation JN2-B 187 Enhancement I JN2-C 1,144 Enhancement II JN2-D 196 Enhancement I JN3-A 350 Enhancement II JN3-B 1,043 Restoration MC 1-A 469 Enhancement II MC 1-B 977 Enhancement I1 MC 1-C 555 Restoration MC3-A 243 Enhancement II MC3-B 402 Enhancement I1 MC3-C 214 Enhancement I MC3-D 395 Enhancement I1 BS 1-A 214 Restoration BSI -B 175 Enhancement II BS 1-C 541 Restoration BS 1-D 177 Enhancement II BS 1-E 368 Restoration FEMA Floodplain_ Checklist Page 2 of 4 Floodplain Information Is project located in a Special Flood Hazard Area (SFHA)? re Yes r No If project is located in a SFHA, check how it was determined: F Redelineation F Detailed Study W Limited Detail Study F Approximate Study F Don't know List flood zone designation: Zone AE Check if applies: F7 AE Zone r Floodway r Non -Encroachment r None F A Zone r Local Setbacks Required r No Local Setbacks Required If local setbacks are required, list how many feet: Does proposed channel boundary encroach outside floodway/non- encroachment/setbacks? r Yes f: No Land Acquisition (Check) F State owned (fee simple) F Conservation easment (Design Bid Build) F%0_ Conservation Easement (Full Delivery Project) Note: if the project property is state-owned, then all requirements should be addressed to the Department of Administration, State Construction Office (attn: Herbert Neily, 919 807-4101 Is community/county participatingcommunity/countin the NFIP program? FEMA Floodplain Checklist Page 3 of 4 Is community/county participating in the NFIP program? EYes UNo Note: if community is not participating, then all requirements should be addressed to NFIP (attn: State NFIP Engineer, (919) 715-5000) Name of Local Floodplain Administrator: Kim Bates Phone Number: 3M)401-8350 Floodplain Requirements This section to be filled by designer/applicant following verification with the LFPA r No Action r No Rise F Letter of Map Revision r` Conditional Letter of Map Revision Wo Other Requirements List other requirements: HEC -RAS modeling will take place, resulting in one of the above items. Comments: Name: _Olivia L. Pilkington Signature: Title: _Engineer II Date: 0 5.14.2018 FEMA_Floodplain_Checklist(002).docx Page 4of4 'r �k +-, fA 14 ` a Legend Streams Proposed Easement - FEMA Zone AE FEMA Map Little Sebastian Mitigation Site 0 250 500 Surry County, North Carolina Date: 5/14/2018 Drawn by: MDE Checked by: ATP res