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HomeMy WebLinkAbout20072198 Ver 1_401 Application_20071207. `Robert J. Goldstein c~c Associates, Inc. ENVIRONMENTAL CONSULTANTS 1221 Corporation Parkway, Raleigh, NC 27610 Tel: (919) 872-1174 Fax: (919) 872-9214 email: rgoldstein@RJGAcarolina.com TO ~~ ~~~i-"f l a-~ - ~wQ yo I -we-~Qnds ~ s~~r -- us ~CE~_ 0 7- 2 1 9 8 ~ WE ARE SENDING YOU ~ Attached ^ Under separate cover via ^ Shop drawings ^ Prints ^ Plans ^ Copy of letter ^ Change order ^ COPIES DATE NO. DESCRIPTION S ~ 'o kQ rya h + Ste{ `sal c N ~' D -S' a Pans x ''. 0 ~~2. THESE ARE TRANSMITTED as checked below: REMARKS ^ For approval ^ For your use ^ As requested ^ For review and comment ^ FOR BIDS DUE ^ Approved as submitted ^ Approved as noted Returned for corrections ^ ~~~~~~ ~~ ~QQ~~~~~~Q~ DATE ~~ ~~ 1n //U JOB NO. ATTENTION RE ^ ~~~ _..---.__._ K e rs v~ nvi Ca H ^ Samples the following items: ^ Specifications ~.•. v~nu I C i+lda$1(A'IFR 9RANCFi ^ Resubmit copies for approval •• ^ Submit copies for distribution ^ Return corrected prints 19 ^ PRINTS RETURNED AFTER LOAN TO US COPY TO RRGWC17/07 (M1'C tI.S~.. in Gqm Man !.. SIGNED: 1/ enclosures are not as noted. kindly noti/y us at once. - .~ Office Use Only: Form Version November OS 0 7- 2 1 9 8 USAGE Action ID No. DWQ No. (If any particular item is not applicable to this project, please enter "Not Applicable" or "N/A".) I. Processing ~ ~ ~ ~ 23 November 2007 1. Check all of the approval(s) requested for this project: ® Section 404 Permit ® Riparian or Watershed Buffer Rules ^ Section 10 Permit ^ Isolated Wetland Permit from DWQ ® 401 Water Quality Certification ^ Express 401 Water Quality Certification 2. Nationwide, Regional or General Permit Number(s) Requested: 16 and 14 3. If this notification is solely a courtesy copy because written approval for the 401 Certification is not required, check here: ^ 4. If payment into the North Carolina Ecosystem Enhancement Program (NCEEP) is proposed for mitigation of impacts, attach the acceptance letter from NCEEP, complete section VIII, and check here: ^ 5. If your project is located in any of North Carolina's twenty coastal counties (listed on page 4), and the project is within a North Carolina Division of Coastal Management Area of Environmental Concern (see the top of page 2 for further details), check here: ^ II. Applicant Information G ~^~~~~ 1. Owner/Applicant Information (~` t! Name: Robert Schaumleffel ~~~ ~ 9 2QOj Mailing Address: Creedmoor Ci ~ Manager per. _ 11 Masonic Street ~r~9/`JVDSm;hew.,,~;ln:.._.. Creedmoor NC 27522 ~" Telephone Number: 919-528-3332 Fax Number: 919-528-3052 E-mail Address: citymana er ,cityofcreedmoor.or~ 2. Agent/Consultant Information (A signed and dated copy of the Agent Authorization letter must be attached if the Agent has signatory authority for the owner/applicant.) Name: Gerald Pottern Company Affiliation: Robert J. Goldstein & Associates Mailing Address: 1221 Corporation Parkway, suite 100 Raleigh NC 27610 Telephone Number: 919-872-1174 Fax Number: 919-872-9214 E-mail Address: ~pottern(c~RJGAcarolina.com Updated 11/1/2005 Page 5 of 15 III. Project Information Attach a vicinity map clearly showing the location of the property with respect to local landmarks such as towns, rivers, and roads. Also provide a detailed site plan showing property boundaries and development plans in relation to surrounding properties. Both the vicinity map and site plan must include a scale and north arrow. The specific footprints of all buildings, impervious surfaces, or other facilities must be included. If possible, the maps and plans should include the appropriate USGS Topographic Quad Map and NRCS Soil Survey with the property boundaries outlined. Plan drawings, or other maps may be included at the applicant's discretion, so long as the property is clearly defined. For administrative and distribution purposes, the USACE requires information to be submitted on sheets no larger than 11 by 17-inch format; however, DWQ may accept paperwork of any size. DWQ prefers full-size construction drawings rather than a sequential sheet version of the full-size plans. If full-size plans are reduced to a small scale such that the final version is illegible, the applicant will be informed that the project has been placed on hold until decipherable maps are provided. 1. Name of project: Lake Rogers Sediment Dredging 2. T.I.P. Project Number or State Project Number (NCDOT Only): NA 3. Property Identification Number (Tax PIN): 0887-41-2708 4. Location County: GRANVILLE Nearest Town:. Creedmoor Subdivision name (include phase/lot number): NA Directions to site (include road numbers/names, landmarks, etc.): Lake Rogers Dam access is on NC-56, 1.3 mile west of downtown Creedmoor. From the dam to the sediment dis,~osal site, take NC-56 northwest 1.1 mile turn right on Washington Street then left on Ro ers Pointe Drive. The disposal site is behind the homes along the east side of this street 5. Site coordinates (For linear projects, such as a road or utility line, attach a sheet that separately lists the coordinates for each crossing of a distinct waterbody.) Decimal Degrees (6 digits minimum): 36.1445 °N 78.7126 °W 6. Property size (acres): Disposal site property = 45.7 acres 7. Name of nearest receiving body of water: Lake Rogers, Ledge Creek 8. River Basin: NEUSE 03-04-01 (Falls Lake sub-basin) (Note -this must be one of North Carolina's seventeen designated major river basins. The River Basin map is available at http://h2o.enr.state.nc.us/admin/maps/.) 9. Describe the existing conditions on the site and general land use in the vicinity of the project at the time of this application: The 45 acre sediment disposal p operty is mostly upland scrub and second-growth mixed pine and hardwood forest. An unnamed intermittent tributary to Ledge Creek (5 ft aye width) runs eastward through the middle of the site with Updated 11/1/2005 Page 6 of 15 associated floodplain wetlands on the northwest and southeast portions of the property. These wetlands incluide a mix of bottomland hardwood forest, shrub-scrub, and beaver marsh. Homes along Rogers Pointe Drive are adjacent to the south and west. Forested. scrub and agricultural land are adjacent to the north. Beaver marsh along Ledge Creek is adjacent to the east. 10. Describe the overall project in detail, including the type of equipment to be used: Creedmoor plans to remove approximately 110,000 cubic yards of sediment from 74 acres of the lake bed using a hydraulic dredge mounted on a barge, with the lake maintained at normal full pool. The area to be dredged is non-wetland open waters; the marsh and scrub wetlands near the head of the lake will not be dredged. The sediment slurry will be pumped throu h a~10-_ inch flexible plastlC pipe to a 45 acre City-owned tract adjacent to Ledge Creek near the head of the lake. The sediment pipeline will be laid temporarily across 2,100 feet of marsh and scrub wetlands bewteen the lake and the disposal site, but will not re uiq re any land clearing in wetlands. This pipe will be pulled into place over the wetland using a rope or cable from the lake to the disposal site, leg on and between the existing marsh/scrub vegetation with minimal impact. About 20 acres of uplands on the northeastern and southwestern portions of the disposal site property will be cleaxed and graded with timber harvesting and earth-moving equipment. These two areas will be the sediment disposal cells, each with a perimeter dike, dewatering structure, and discharge channel for the returning lake water lus any stormwater runoff. Each dewatering basin weir is sized for up to 23.5 cfs, exceeding the 18.9 cfs maximum runoff that might occur from intense rainfall (6.5 in/hr» 14.3 cfs lup s the maximum pumped water drainage (4.6 cfs). Each temporary discharge channel will be 9 feet wide at the top, 5 feet wide at the bottom, and 2 feet deep, lined with filter fabric and a 14- inch laver of 6-inch diameter rock. The maximum runoff velocity where each ditch joins the intermittent stream between Area 1 and Area 2 will be 1.7 ft/sec, based on 23 cfs max flow. At each discharge channel outlet, 25 feet of the receiving stream will also be lined with filter fabric and rock, similar to the discharge channels. The two discharge outlets will be spaced 150 feet apart along this receiving stream, which flows eastward into the Led e Creek wetlands. Access to the northern disposal area will require a temporary road crossin this stream and its buffer, with an 18-foot long, 60-inch diameter culvert (no wetland impact The southern disposal area contains a .06 acre isolated herb-scrub wetland (apparently created during_past logging operations) that will be filled. The remaining 25 acres of the property, including all FEMA floodplain and jurisdictional wetland areas, will remain undisturbed. Dredging and dewatering will require approximately 6 to 9 months, with the cells used alternatel~g one cell while the other dewaters. After both cells have been filled and dewatered, the sediment pipeline, temporary road and culvert, dewatering structures, and perimeter dikes will be removed and these areas restored. The final rading plan will disperse runoff alon tg he riparian buffer edges. The site will be planted with groundcover and native trees when the sediment has drained sufficiently. 11. Explain the purpose of the proposed work: Lake Rogers has lost about one-third of its volume due to erosion and sedimentation from farmland since it was built in 1939 and consequentl by as high levels of sediment nutrients and organic matter. The lake suffers from severe euthrophication, which causes high levels of organic carbon, disinfection byproducts, and taste and odor problems in the City's water supply. Creedmoor has received a SPAP Updated 11/1/2005 Page 7 of 15 grant from EPA to dredge the shallow sediments where much of the phosphorus and organic matter contributing to these problems is most concentrated. This project is expected to improve raw water quality, which in the long-run will be a more cost-effective and environmentally beneficial solution than trying to remove high levels of contaminants at the WTP . IV. Prior Project History If jurisdictional determinations and/or permits have been requested and/or obtained for this project (including all prior phases of the same subdivision) in the past, please explain. Include the USACE Action ID Number, DWQ Project Number, application date, and date permits and certifications were issued or withdrawn. Provide photocopies of previously issued permits, certifications or other useful information. Describe previously approved wetland, stream and buffer impacts, along with associated mitigation (where applicable). If this is a NCDOT project, list and describe permits issued for prior segments of the same T.I.P. project, along with construction schedules. Creedmoor is not aware of any_previous jurisdictional determinations or 404-401 permits requested on the sediment disposal site. The City recently purchased this undeveloped site and two other parcels from Tar River Land Conservancy. V. Future Project Plans Are any future permit requests anticipated for this project? If so, describe the anticipated work, and provide justification for the exclusion of this work from the current application. After sediment disposal is completed, the property will be re-forested and preserved as asp sive_ use park lands for protectin wg ater quality in Ledge Creek and Lake Rogers. There are no plans for future construction that would affect streams, wetlands, or riparian buffers. VI. Proposed Impacts to Waters of the United States/Waters of the State It is the applicant's (or agent's) responsibility to determine, delineate and map all impacts to wetlands, open water, and stream channels associated with the project. Each impact must be listed separately in the tables below (e.g., culvert installation should be listed separately from riprap dissipater pads). Be sure to indicate if an impact is temporary. All proposed impacts, permanent and temporary, must be listed, and must be labeled and clearly identifiable on an accompanying site plan. All wetlands and waters, and all streams (intermittent and perennial) should be shown on a delineation map, whether or not impacts are proposed to these systems. Wetland and stream evaluation and delineation forms should be included as appropriate. Photographs may be included at the applicant's discretion. If this proposed impact is strictly for wetland or stream mitigation, list and describe the impact in Section VIII below. If additional space is needed for listing or description, please attach a separate sheet. 1. Provide a written description of the proposed impacts: 0.06 1) Dredge 74 acres of open water lake bed (no wetland or buffer impact); 2) Fi110.060 acre of isolated herb/scrub Updated 11/1/2005 Page 8 of 15 wetland on the southern sediment disposal area; 3) Install a temporary road and 60-inch culvert across a 5-ft wide intermittent stream (201in ft stream impact, .041 ac buffer impact 4~ Lay temporary sediment pipeline across 2,100 feet of marsh/scrub wetlands and lake buffer (no clearing; negli ibg le veg impact) Install two temporary return water drainage ditches thru riparian buffer, one for each disposal cell (.046 x 2 = .092 ac buffer impact); 6) Line 25 feet of the receiving stream with filter fabric and rock at each ditch outlet. 2. Individually list wetland impacts. Types of impacts include, but are not limited to mechanized clearing, grading, fill, excavation, flooding, ditching/drainage, etc. For dams, separately list impacts due to both structure and flooding. Wetland Impact Type of Wetland Located within Distance to Area of Site Number Type of Impact (e.g., forested, marsh, 100-year Nearest Impact (indicate on map) herbaceous, bog, etc.) Floodplain Stream (acres) ( es/no) (linear feet) wetland SB grade & fi110.060 acre isolated upland depression No 350 ft 0.060 ac wetland GA 10" pipe laid across 2,100 ft beaver marsh & scrub Yes 0 ft abutting 0.048 ac (no clearing, minor temp vegetation impact) Total Wetland Impact (acres) 0.108 3. List the total acreage (estimated) of all existing wetlands on the property: 6.1 acres on sediment disposal property; approx 60 acres Ledge Creek marshes upstream of Lake Ro eg rs. 4. Individually list all intermittent and perennial stream impacts. Be sure to identify temporary impacts. Stream impacts include, but are not limited to placement of fill or culverts, dam construction, flooding, relocation, stabilization activities (e.g., cement walls, rip-rap, crib walls, gabions, etc.), excavation, ditching/straightening, etc. If stream relocation is proposed, plans and profiles showing the linear footprint for both the original and relocated streams must be included. To calculate acreage, multiply length X width, then divide by 43,560. Stream Impact Number (indicate on ma) Stream Name Type of Impact Perennial or Intermittent? Average Stream Width Before Im act Impact Length (linear feet) Area of Impact (acres) E of wetland BR UT Ledge Creek temp road, culvert Intermit 5 ft 20 .0023 2 Disch Channels UT Ledge Creek temp fabric + rock Intermit 5 ft 50 .0057 Total Stream Impact (by length and acreage) 70 .0080 5. Individually list all open water impacts (including lakes, ponds, estuaries, sounds, Atlantic Ocean and any other water of the U.S.). Open water impacts include, but are not limited to fill, excavation, dredging, flooding, drainage, bulkheads, etc. Open Water Impact Name of Waterbody Type of Impact Type of Waterbody Area of Site Number (if a licable) (lake, pond, estua ,sound, bay, Im act Updated 11/1/2005 Page 9 of 15 (indicate on ma) ocean, etc.) (acres) Lake Rogers Lake Rogers hydraulic dredging water supply reservoir 74 ac Total Open Water Impact (acres) 74 ac 6. List the cumulative impact to all Waters of the U.S. resulting from the project: Stream Impact (acres): .0080 Wetland Impact (acres): .108 Open Water Impact (acres): 74.0 Total Impact to Waters of the U.S. (acres) 74.116 Total Stream Impact (linear feet): 70 7. Isolated Waters Do any isolated waters exist on the property? ®Yes ^ No Describe all impacts to isolated waters, and include the type of water (wetland or stream) and the size of the proposed impact (acres or linear feet). Please note that this section only applies to waters that have specifically been determined to be isolated by the USACE. An isolated upland depression wetland (SB = .060 acre) located near the center of the southern sediment disposal area will be graded and filled. It appears to have been created by soil compaction during_past logging operations, and contains a weedy herb-scrib community of cattails, rushes, grasses, knotweeds, goldenrod, blackberries, greenbriers, willow and 8. Pond Creation If construction of a pond is proposed, associated wetland and stream impacts should be included above in the wetland and stream impact sections. Also, the proposed pond should be described here and illustrated on any maps included with this application. Pond to be created in (check all that apply): ^ uplands ^ stream ^ wetlands Describe the method of construction (e.g., dam/embankment, excavation, installation of draw-down valve or spillway, etc.): Proposed use or purpose of pond (e.g., livestock watering, irrigation, aesthetic, trout pond, local stormwater requirement, etc.): Current land use in the vicinity of the pond: Size of watershed draining to pond: Expected pond surface area: NA VII. Impact Justification (Avoidance and Minimization) Specifically describe measures taken to avoid the proposed impacts. It may be useful to provide information related to site constraints such as topography, building ordinances, accessibility, and financial viability of the project. The applicant may attach drawings of alternative, lower-impact site layouts, and explain why these design options were not feasible. Also discuss how impacts were minimized once the desired site plan was developed. If applicable, discuss construction techniques to be followed during construction to reduce impacts. The proposed dred ing area is limited to non-wetland open waters._ Fringe wetlands at the upper end of the lake will not be dredged or otherwise impacted, except for minor impacts from the sediment pumpingzpipeline Updated 11/1/2005 Page 10 of I S that will be temporarily laved across marsh/scrub wetlands between the lake and the sediment disposal site. Construction access to Lake Rogers will be from a boat ramp near the dam where no wetlands or riparian buffer will be affected. Streams and wetlands on the disposal site have been avoided to the extent practicable The only impacts will be a temporary intermittent stream crossing (with culvert) between the two sediment disposal areas temporary fabric and rock lining in the receiving stream at the two discharge outlets to prevent erosion and filling of a 06 acre isolated wetland. The isolated wetland is unavoidable due to its central location within the southern upland disposal area. An alternative design for returning the pumped lake water and stormwater runoff usin levels readers glop buffer ed es rather than rock-lined channels was also considered. Discussions between the engineer and Ian McMillan of DWO concluded that the channel design for return water is an acceptable method. VIII. Mitigation DWQ - In accordance with 15A NCAC 2H .0500, mitigation may be required by the NC Division of Water Quality for projects involving greater than or equal to one acre of impacts to freshwater wetlands or greater than or equal to 150 linear feet of total impacts to perennial streams. USACE - In accordance with the Final Notice of Issuance and Modification of Nationwide Permits, published in the Federal Register on January 15, 2002, mitigation will be required when necessary to ensure that adverse effects to the aquatic environment are minimal. Factors including size and type of proposed impact and function and relative value of the impacted aquatic resource will be considered in determining acceptability of appropriate and practicable mitigation as proposed. Examples of mitigation that may be appropriate and practicable include, but are not limited to: reducing the size of the project; establishing and maintaining wetland and/or upland vegetated buffers to protect open waters such as streams; and replacing losses of aquatic resource functions and values by creating, restoring, enhancing, or preserving similar functions and values, preferable in the same watershed. If mitigation is required for this project, a copy of the mitigation plan must be attached in order for USACE or DWQ to consider the application complete for processing. Any application lacking a required mitigation plan or NCEEP concurrence shall be placed on hold as incomplete. An applicant may also choose to review the current guidelines for stream restoration in DWQ's Draft Technical Guide for Stream Work in North Carolina, available at http://h2o.enr.state.nc.us/ncwetlands/strm~ide.html. 1. Provide a brief description of the proposed mitigation plan. The description should provide as much information as possible, including, but not limited to: site location (attach directions and/or map, if offsite), affected stream and river basin, type and amount (acreage/linear feet) of mitigation proposed (restoration, enhancement, creation, or preservation), a plan view, preservation mechanism (e.g., deed restrictions, conservation easement, etc.), and a description of the current site conditions and proposed method of construction. Please attach a separate sheet if more space is needed. Updated 11/1/2005 Page 11 of 15 The onlypermanent impact will be filling 0.060 acre of isolated upland depression wetland, which does not require mitigation. All other wetland, stream, and buffer impacts are temporary. Clearing for the temporary road which crosses an intermittent stream and its buffer will be 18 feet wide, "exempt" under the Neuse Buffer Rules. Clearing for the two temporary drainage ditches through the buffer and temporary in-stream erosion protection (fabric and rock) is "allowable" under the Neuse Buffer Rules. Sediment dredging from non- wetland open waters also does not require mitigation. No compensatory mitigation is proposed. However, the entire disposal site will be replanted with native trees after dredging and dewatering are complete, and the final rg ading_plan will disperse runoff along the periphery of each disposal cell. 2. Mitigation may also be made by payment into the North Carolina Ecosystem Enhancement Program (NCEEP). Please note it is the applicant's responsibility to contact the NCEEP at (919) 715-0476 to determine availability, and written approval from the NCEEP indicating that they are will to accept payment for the mitigation must be attached to this form. For additional information regarding the application process for the NCEEP, check the NCEEP website at http://h2o.enr.state.nc.us/wrp/index.htm. If use of the NCEEP is proposed, please check the appropriate box on page five and provide the following information: Amount of stream mitigation requested (linear feet): NA Amount of buffer mitigation requested (square feet): NA Amount of Riparian wetland mitigation requested (acres): NA Amount ofNon-riparian wetland mitigation requested (acres): NA Amount of Coastal wetland mitigation requested (acres): NA IX. Environmental Documentation (required by DWQ) 1. Does the project involve an expenditure of public (federal/state/local) funds or the use of public (federal/state) land? Yes ® No ^ 2. If yes, does the project require preparation of an environmental document pursuant to the requirements of the National or North Carolina Environmental Policy Act (NEPA/SEPA)? Note: If you are not sure whether a NEPA/SEPA document is required, call the SEPA coordinator at (919) 733-5083 to review current thresholds for environmental documentation. Yes ® No ^ 3. If yes, has the document review been finalized by the State Clearinghouse? If so, please attach a copy of the NEPA or SEPA final approval letter. Yes ^ No The NEPA document was submitted to Doroth~Rayfield at EPA Region 4 on November 10. X. Proposed Impacts on Riparian and Watershed Buffers (required by DWQ) It is the applicant's (or agent's) responsibility to determine, delineate and map all impacts to required state and local buffers associated with the project. The applicant must also provide Updated 11/1/2005 Page 12 of 15 justification for these impacts in Section VII above. All proposed impacts must be listed herein, and must be clearly identifiable on the accompanying site plan. All buffers must be shown on a map, whether or not impacts are proposed to the buffers. Correspondence from the DWQ Regional Office may be included as appropriate. Photographs may also be included at the applicant's discretion. 1. Will the project impact protected riparian buffers identified within 15A NCAC 2B .0233 (Meuse), 15A NCAC 2B .0259 (Tar-Pamlico), 15A NCAC 02B .0243 (Catawba) 15A NCAC 2B .0250 (Randleman Rules and Water Supply Buffer Requirements), or other (please identify Meuse (Falls Lake) Yes ® No ^ 2. If "yes", identify the square feet and acreage of impact to each zone of the riparian buffers. If buffer mitigation is required calculate the required amount of mitigation by applying the buffer multipliers. Zone* Impact (s uare feet) Multiplier Required Miti ation 1 (temp road) 1,080 3 (2 for Catawba) exempt 2 (temp road) 720 1.5 exempt 1 (disch channels) 1,200 3 allowable 2 (disch channels) 800 1.5 allowable Total 3, 800 ---- none * Zone 1 extends out 30 feet perpendiculaz from the top of the near bank of channel; Zone 2 extends an additiona120 feet from the edge of Zone 1. If buffer mitigation is required, please discuss what type of mitigation is proposed (i.e., Donation of Property, Riparian Buffer Restoration /Enhancement, or Payment into the Riparian Buffer Restoration Fund). Please attach all appropriate information as identified within 15A NCAC 2B .0242 or .0244, or .0260. Riparian buffer impacts of the temporary road are "exempt" and impacts of the two temnorarv draiange ditches are "allowable" under Meuse Buffer Rules• no compensatory mitigation is required The dewaterin~ basin, weir, and ditch design will limit runoff velocity at the stream to 1 7 ft/sec during a 6.5 in/hr rainfall event. Nitrogen in the runoff should be similar to or less than that in the pumped lake water. XI. Stormwater (required by DWQ) Describe impervious acreage (existing and proposed) versus total acreage on the site. Discuss stormwater controls proposed in order to protect surface waters and wetlands downstream from the property. If percent impervious surface exceeds 20%, please provide calculations demonstrating total proposed impervious level. No impervious surface existing. or pro osed. XII. Sewage Disposal (required by DWQ) Clearly detail the ultimate treatment methods and disposition (non-discharge or discharge) of wastewater generated from the proposed project, or available capacity of the subject facility. Updated 11/1/2005 Page 13 of 15 N XIII. Violations (required by DWQ) Is this site in violation of DWQ Wetland Rules (15A NCAC 2H .0500) or any Buffer Rules? Yes ^ No Is this anafter-the-fact permit application? Yes ^ No XIV. Cumulative Impacts (required by DWQ) Will this project (based on past and reasonably anticipated future impacts) result in additional development, which could impact nearby downstream water quality? Yes ^ No If yes, please submit a qualitative or quantitative cumulative impact analysis in accordance with the most recent North Carolina Division of Water Quality policy posted on our website at http://h2o.enr.state.nc.us/ncwetlands. If no, please provide a short narrative description: This project will remove nutrient-rich and organic-rich lake sediment for the purpose of restoring raw water and potable water quality and reducing water treatment costs It will not provide additional raw water capacity nor affect Creedmoor's water treatment capacity and will not promote urban development. XV. Other Circumstances (Optional): It is the applicant's responsibility to submit the application sufficiently in advance of desired construction dates to allow processing time for these permits. However, an applicant may choose to list constraints associated with construction or sequencing that may impose limits on work schedules (e.g., draw-down schedules for lakes, dates associated with Endangered and Threatened Species, accessibility problems, or other issues outside of the applicant's control). ** ~/~ ~~r~~~zf ~' Applicant/Agent's Signature Date ***(Agent's signature is valid only if an authorization letter from the applicant is provided.) Application Fee check for $240. attached Updated 11/1/2005 Page 14 of 15 07-2198 City of Creedmoor COMMISSIONERS TIMOTHY J. KARAN ANGELA M. MANGUM OTHA PIPER, JR. S. KENT RAY WILLIAM L. ROBINSON P.O. Box 765 Creedmoor, N.C. 27522 (919) 528-3332 DARRYL D. MOSS MAYOR ROBERT A. SCHAUMLEFFEL, JR. CITY MANAGER THOMAS L. CURRIN CITY ATTORNEY December 13, 2007 This letter authorizes Robert J. Goldstein & Associates to apply for environmental permits as an agent for the City of Creedmoor, and to conduct meetings on the project site with regulatory agency staff. ,. t 1 Robert A Schaumleffel, Jr. City Manager of Creedmoo citymanagerna,cityofcreedmoor. org FIGURES Figure 1. USGS Topographic Map of Lake Rogers and Sediment Disposal Site, Stem Quad. Figure 2. Sediment Pipeline from Lake Rogers Dredge to the Sediment Disposal Areas. Figure 3. Jurisdictional Wetlands and Streams Delineated in the Lake Rogers Project Area. Figure 4. Lake Rogers Sediment Disposal Site Plan. Figure 5. Detail of Temporary Stream Crossings and Culvert. Figure 6. Detail of Outlet Weir and Flashboard Risers. Figure 7. Detail of Effluent Discharge Channels and Erosion Protection in Receiving Stream Figure 8. Detail of Silt Fencing on the Lake Rogers Sediment Disposal Site. Updated 11/1/2005 Page 15 of 15 0~-~~ ~~° ~O .~ ~ 1 ] l24 - ~ ,~~ ~,~;~ , t ';'~, ~.. k .. X1.1 .I 1~r: ~~~ 0 1 ~~ II O o T ..~~ ~ ~ 0... ~~ ~rl ;\ 0 ~' C ~' ~, _~____ /~ o a ~ )4 12080 000 FEET '05 / . ~ - )/ °' " ~ Figure 1. USGS Topographic Map of Lake Rogk ecf rs ,. and Sediment Disposal Site, Stem Quadrangle. Robert J. Goldstein & Associates, Inc /---35p\ ENVIRON SJ~ ~p~ ~ ~/r-. / ~` 1 O ~ 3~p ~\ ii ~~/ ~~ - Sediment \ ,~ Disposal T.~~ .~ ~ - FE~T -- _. 7 0 2000 4000 S~ - 3 ..p ~ ' 9 ~~ O ~~ Pipeline O ~ ~ ~~~ ~ 1 ~ °~~~Yo ~~ ~~. „. II ~I `i ~~~ V L`- 55~ l ~. '' ~ / ~~ ~• ,u• ~, ~u / .~ n ~R • i ~ 3 ~ II~ II II • ~ r~ , o° ~ R _ >_- . ~ ~ ~-= n ~i cn „ ~, ;y ~ • ,: • R redging Area ___ 350 ~ , ~ ~ ~i ~.~ ~ , Lake •+ :,. .,. . Rogers =. • ~~ ,~ 8~ ~ • ~ \\ _ i ~ ~~ ~ ~ ,• ~ p ,\ \~ ~ a -j-- ~~ II ~ ~ ~. l ~--, p 28~ ~ ~~ . •p - A •o ~r~' ;• ~ ~, o a , 'O6 42' 30" ' '01 rvoRrrlsloe as Ml. (CREEDMOOR) 556 // S W .. ~bv. -- Figure 3. Jurisdictional Wetlands and Streams Delineated in the Lake Rogers Project Area.. Robert J. Goldstein c~ Associates, Inc ENVIRONMENTAL CONSULTANTS ~.'~`, ~ ~ ` GA ~ ~ ~ ~~ ~ ~ ~ ~ ~`' '~~~~ ~ ~ ~.~ ; ~ ~ ~ •--•~- Delineated IntermittenX Streams d SC (sediment pond , ~ ~ +~ ~-- - ~,. ' .~~ non jurisdictional) ) F ~ SB (isolated wetland ~ ~ ~ ~/ p~77.1 Wetlands De~inea~ec( ~ , ~ ~L. ~~ ~ ~~ ~ 9 _ ~~ .., a ~~ ~ ~ ~~ ~ , .$~.g~ ; -`~ ~ ~ ~~~ , ~~ Wetland Extends Beyond Delineation ~ . , , ~ ~r ~ ~~~ ``~ ~~ ~ ~ ~ City-owned Parcels ~ ~~ ~ ~ ~~ # ~~ ~ ~ ~ 0 ~ ~~ ~. 0 250 500 1,000 ~ ~ ~ ~ ~ ~ ~ ,~ ~ ~ ~ ~~ . ~ -~ Feet i. R. ~a" AS. y~Ys ,~y' -.~' ~ - ~ ~ y,~ <-~s ~ k~~,~ ~ ~ " -Yq~ v ~ ~ ~ • ~ ' M f~~~~ ~ a ~~. a3 Q~ k rum : : ~ a'-'~' . ~, ~ ~ l~~ I%i ~ ill~~ ~ ~\ jc°h ~ % ~~ ~ i ~ ~~/ II~~/~ ~~ ~~ ~ / ~ ~/ ~ / ~ `. ~~ / 1~ `; t-.~. ~~ \ , ~, pct. 1 ~'"' .~ 1 ~ ~ ~~ ~ ~ ,,, \ ) ~ ~~ i i i i %/ ~~~ . i ~~G~ ~/\ ~ i / i ' 1/,~,: ,~ ~~~ ~~ i FEET , r---a ~'~,~ 0 t00 2a0 ~~ ~~~~~'~~, ~~~~~~ ,~ ,r / f. ~' ,~ ~ ~, f' i ~ ~ .., •, ~ /, ~~. / / \ ~~. JQ~ ,`O O~ ~'~, `/~ . ~/~ 0J~~0 ~~Q1 ~O~ \\* ` I ~' ~~ o .- ./ // / ~ ~,, ~~~ \• ~ '~-~ \~~~~ , 3`PVp~ ~~ O~~v~<v ~" ~. ~ ~~ `\ \~ '~~;; ~ ~ ~ ,~~.. ~''~ / ~ ./~1 % i/ ~ I ~ Qv~,~ ~ ~ i o0 ~ ~ ~o 1~ ~ ~ ~ \?~ I I \\ % ~ / 11 / ~ / ~ i ~~ ~ o ~ --~.~// ~. --~ / //~ ~ ~ ~ 3c2 ~ o ,%~/ ~ ` 1 // ~ ~ ~ ~ ~ '3 ~ ~-- -- --- ~ ~ ~ / ~A ~ ~ \ ~ ~ ~L- ~ ~ \ ~/ -~' M ~ ` ~~ ~/ ~ / .~ Figure 4a. Lake Rogers Sediment Disposal Site Plan, Southwestern Portion, Area 2 and Road Crossing. Robert J. Goldstein & Associates, Inc ENVIRONMENTAL CONSULTANTS ~~~ / _~ ~v ' ~-_ .`_ ~` ~~ \~ ~~ / 31q ~~ • ~- Q C ~ ~ , Q ~O~ PG ~ ~ '~~ ~ \ \\ .. `~ ~ /~~ i 11 l ~ / i ~~ ~ \ EKISTfNG CONTOURS ~, I\ y~---303----~_.....~,r,~~ I '---~ I ~ I \ / ~ -~~---304-~---~•~~~~_ ~.~ i I I ~ °c~ ~----305--- --~~-1 ~~ ~ I i ' I°~ \~ \~~ ~~~~--306---•-~--~~ ~` ~ I ' , \ ~ \ / \~ ~._----307--~--~~ ; , !III ? I ~ / I /~"'__-308---_~` ~ /y ~~~ i~lll~ I 1~1 l l l1 'Ijylill~~ ~~ %%/jl j ~ 1 /I ,~ 1 I ~ j Q~ `` / / ~ / % ilMljj ~I yICI 1 ~~~vP ( 1 1 1 1 ~jl V Ij 1~1 I j OPT- ~ I j l l !11~ ~I I I ` ~1 111 i ~I j/ j ~~ I~`---- 3os-___~ ~ 1 ~ 1 ~~ I~~ I, I I ~~~--307---__-~ i l l ! ~ I ~I I I ~-_-306-_._- / ~ / I C I I I ~~ ~~"__-3os__ _~ /~ ~~ .ill ( I t /~ ~~ ~~---r---~ o~~~ i ~ I I v /~ ~ ~ I I i~ / '~ ~ ~ II ~~ ~ .-------~ ~ ~_` ,~ I \ I i ~G~ % i -- ! I I I I G~~,~ / ii ~I/I~ ~ ~, !~\ e i I j\I o~~h ~~ / ~ i~ !~~/ God ~ ! ~~~~ ~~ / ~. i~ ~ . l i i i ~~Q. i i ~~~~. F ~y Z~ ~{ 1 I ~~~ // ~,_ / ~Q, l ; ~~~ ' ~~ooQ., ~~ ` ~~ ~ ~ \` ~~•- ~~ ~, i fee ~' ~ i ~~. i i i ~ ~~~((( ~1 ~ ~ ~ Z~ I ~`~"' 3 ~~ ~~ ~ \l ~ ~\ ~ /~~ ~_~ ,, ~~ ~- ,, .~ ~' ~ ..` ~- ~. \~ . /~ .~ ~- ,, ~' .. ~, ,. ~, ~, ,- ~ ~.r ,, - ~ , ,, .. ,. ~- ~- .,~'~ '~ --' ~- ~~ D~1~lA?E12iNC ~R~A a- 0 ioQ 20o FT Figure 4b. Lake Rogers Sediment Disposal Site Plan, Northeastern Portion, Area 1 and Discharge Channels. Robert J. Goldstein & Associates, Inc ENVIRONMENTAL CONSULTANTS ~~c ~~ ~`~.~~~ NOT TO SCALE ~~2 DIAMETER OF PIPE OR 12" WHICH EVER I GREATER FILTER FABRI COARSE AGGREGATE EARTH FILL COVERED BY 6" DEEP ~ LARGE ANGULAR ROCK 60" 1 BY ~ ~q' ~ Cr1 io ~ ~ ~ ~ ~, c!i ~ ~ ~ d ~ ° . z ~ o ~ °~ to a, ~ ~ ~ o ~ ~• ~~ ~ o r ~ n Ro ~ O a o ~ . ~~ ~ ~ ~° ~'~ ~ A. ua ¢. a r_; r J Fr v' ~ ~ ~ o. COARSE AGGREGATE s TEMPORARY STREAM CROSSING NOT TO SCALE Figure 6. Detail of Sediment Basin Outlet Weir and Flashboard Risers. Robert J. Goldstein c~ Associates, Inc ENVIRONMENTAL CONSULTANTS TOP OF BERM 30" x 24" FLASFBOARD ~~• ' 304 R ~T DETAL 8 ADJUSTABLE WER OF BOARDS '\ 2h SLOPE 1 l 2~1SLOPE ECM~ATERIAL 1M ~~PSIT TO 24" OUTLET DR' ~ COLLAR PROVOS t a,. ya c~N.~ CONCRETE ANTI-FLOATATpN ANCHOR r SUGGESTED WEIR OUTLET LAYOUT 4 NOT TO SCALE ~ ADJI~TEp BY __ ~~L B0~ SIDE VIEW ELEVATION i FLASHBOARD RISER DETAIL 4 NOT TO SCALE CHANNEL TO R~ sNOisin3d ., N W O ~ N _ ~ W H F~ ~' ~~ . W a W ~ N ( ~~ D Z O F= U W 0 J Figure 7. Detail of Effluent Discharge Channels and ErosionProtection in Receiving Stream. Robert J. Goldstein & Associates, Inc ENVIRONMENTAL CONSULTANTS a pW, O J QW N L WaN Wp _0 0 N W WU N Irv I t V JVr~L. STONE FILTER OF 1" GRAVEL PLACED AGAINST FENCING WHERE REQUIRED. 8'-O" MAX 8'-0" MAX Z WIRE ~ MESH 0 M FENCE ~--1 j __~..II I I ~ I II.._ APPROVED SILT i i I I 9~~ ._ I _ ~~ I ~- I 19" ~~ • ~~ FILTERING ~ i I I I I FABRIC I I 6" x 6" WIRE i t i r? o- I i~ Z Q I ~CHOR I DITCH ~ ~ ~ ~ i i i MESH BACKINGI ~ w ~ ~ ° z~ ~ oo ' L~ i-i L ~ C7 STEEL POSTS O' o ~ c _ NOTES ~ Cri y , ~ ~'• ~ CD A. POSTS SET AT DEPTHS OF 4' FOR EARTH BACKFILL. ANCHOR DITCH " " H ~ ~ IS 9 x 9 AND FILL IS TO BE COMPACTED. ~~ ~ B. PROVIDE ADEQUATE EXCAVATION AHEAD OF SILT FENCE TO ACT AS A O Qo ~ • VELOCITY BREAK AND SILT TRAP. ~ ~ ~ ~ o ~, A~ ~, a ~ r F'•3 ~' N 4 SILT FENCE ~ 4 NOT TO SCALE :~ ~ , F ., ~,'-~ ~' S~L~ING ~ ~IULCHIr~G'- PLAN ~ Permanent Seeding Pl~nting Crates Grass Type Pounds/Acre *iVlarch'- Agri! TaI! Fescue 3p Seric~a Lespedeza ~~ K~~be Lespedeza 5 *Cont~ct ~raraville Soil ar~d Water Cor!servation Service for suitable mixes for alternate planting dates:' ~..~~e ~ooa ~~rtil{~~~ ~:~- ~ 0-10 ~ ,ono Mulch ~~ra=.~ ~,~gg 2. Temporary seec#ir~g: tI~V~~en ter~por~ry veget~t~or~ is desirable to minimise erosion and permanent ~,~egetation carnet be established .due to seasons`of the year, .and where a ter~parary seeding is needed. to control erosion and water pollution prior ~o tt~e estab(ishme~t ~f finished .,grade or perennial vegetation', the USCA-SCC: Technical Guide ~- Section ~lV tN.C. Supplement 342-Ill-1) shall be used to ,a determine seeding and 'rplulching requiret~n~nts. ~ copy of this suppiem~r~t `. fol(aws this section). ~. , Seedtings: ~on~act the !N.C.` `F`orest Ser'~tice fc~r rec~r`nrner~datit~r~s for seedling r~i~~ir_rres yo be used for re~forestatiori Qf the area, F. ,flatting r' Erosion Gontro( Fabric ~ECF): Matting and ECG shall be heavy jute mesh ' . over. mulchheld in place by staples. ~Camrn~rcially available ECl=s riay be used ~~ uporti approval of the engineer': Approval o~#abrics will require,manufacturer's design"~~ data regarding velr~city, ditch slopes,- met}~od of instait~tior, decay .cycle, :repair techniques, and grass gro;~afh enhancement characteristics. .~. ~'~lire Staples: 1 ~ gauge steel wire, ~~rith t~rinir~~n s sf 3" tc~~ and 4" long' legs. I-a iVlulch: Threshed straw of oats, wheat, or°rye; free frcrn seed of obnoxious wends; or clean salt hay. Straw whic€~ is fresh atZd exce~siveiy brittle or strati~`uvhich is in such ..art advanced ~fage cf deco~positic~n as to srncther or retard gro~',~h of grass will net - be acceptable: 1. 1il~ator: ~~'ater shall b~ free from s~ibstances harr~tf~rl to ~rc~wtl~ of grass: i s .