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HomeMy WebLinkAbout20180786 Ver 1_Year 0 Monitoring Report_2021_20210429 Mitigation Project Information Upload ID#* 20180786 Version* 1 Select Reviewer:* Erin Davis Initial Review Completed Date 04/29/2021 Mitigation Project Submittal -4/29/2021 Is this a Prospectus,Technical Proposal or a New Site?* r Yes r No Type of Mitigation Project:* rJ Stream 17 Wetlands r Buffer r Nutrient Offset (Select all that apply) Project Contact Information Contact Name:* Email Address:* Jeremiah Dow jeremiah.dow@ncdenr.gov Project Information ....................................................................................................................................................................................................................................................................................................................................................................................................... ID#:* 20180786 Version:*1 Existing ID## Existing Version Project Type: C' DMS r Mitigation Bank Project Name: Sandy Branch Mitigation Site County: Chatham Document Information Mitigation Document Type:* Mitigation As-Built Plans File Upload: SandyBranch_100060_MY0_2021.pdf 9.61 MB Rease upload only one R7Fof the complete file that needs to be submitted... Signature Print Name:* Jeremiah Dow Signature:* V n is, a BASELINE MONITORING SANDY BRANCH MITIGATION SITE Chatham County, NC DOCUMENT AND AS-BUILT NCDEQ Contract No. 7527 BASELINE REPORT DMS Project Number 100060 FINAL USACE Action ID Number SAW-2018-01167 NCDWR Project Number 2018-0786 Data Collection Period: September 2020 -January 2021 Draft Submission Date: March 22, 2021 Final Submission Date: April 27, 2021 PREPARED FOR: 1 ° NC Department of Environmental Quality Division of Mitigation Services 1652 Mail Service Center Raleigh, NC 27699-1652 W 1LDLANDS Ll April 27, 2021 Jeremiah Dow N.C. Division of Mitigation Services 1652 Mail Service Center Raleigh, NC 27699-1652 RE: As-Built Baseline Report Sandy Branch Mitigation Site, DMS ID# 100060 Cape Fear River Basin—CU#03030003 Chatham County, North Carolina Contract No. 7527 Dear Mr. Dow, We have reviewed the comments on the As-Built Baseline Report for the above referenced project dated April 5, 2021 and have revised the report based on these comments.The revised documents are submitted with this letter. Below are responses to each of your comments. For your convenience,the comments are reprinted with our response in italics. As-built Baseline Report 1.Appendix 4: Morphological Summary Data and Plots a. Please verify data in Table 7a (i.e., W/D ratio for MYO is listed as 1.0). The W/D ratio for MYO in Table 7a was corrected to 13.9. 2. Appendix 5: Record Drawings a. Please add DWR number and DMS Contract number to Title Sheet. DWR number and DMS contract number were added to Title Sheet. b. Sheet 0.3: Under the As-Built features, the As-Built 5' Major Contour has 1' intervals in the plan sheets. Recommend removing 5' or 1' contour line from drawings, or fixing the 5' contour lines. Contour lines were updated in the drawings. c. Sheet 1.08: Please consistently label features. For example, MW5 & MW6 on Sheet 1.08 should be GWGS and GWG6. Feature names were changed to be consistent throughout all plan sheets. Wildlands Engineering, Inc. (P)919.851.9986 • 312 West Millbrook Road,Suite 225 • Raleigh,NC 27609 1111* WILDLANDS LNGINEERING d. Please depict the Limits of Disturbance on all Plan and Profile sheets. Limits of Disturbance were added to all Plan and Profile sheets. e. It is very difficult to discern between design top of bank and as-built top of bank. Please change the graphic depiction or color of these to make them more visible or provide higher resolution as-built/record drawing sheets. The graphic depiction was altered to create more contrast between the design top of bank and the as-built top of bank. 3. Digital Files a. Please submit structure features as points. All structure features have been submitted as points. If you have any questions, please contact me by phone (919) 851-9986, or by email (jlorch@wildlandseng.com). Sincerely, Jason Lorch, Monitoring Coordinator Wildlands Engineering, Inc. (P)919.851.9986 • 312 West Millbrook Road,Suite 225 • Raleigh,NC 27609 PREPARED BY: te/ WILDLANDS E N G I N E E R I N G Wildlands Engineering, Inc. 312 West Millbrook Road, Suite 225 Raleigh, NC 27609 Jason Lorch jlorch@wildlandseng.com Phone: (919) 851-9986 EXECUTIVE SUMMARY Wildlands Engineering, Inc. (Wildlands) implemented a full delivery project at the Sandy Branch Mitigation Site (Site) for the North Carolina Department of Environmental Quality Division of Mitigation Services (DMS)to restore a stream and wetland complex within Chatham County, NC.The Sandy Branch Mitigation site utilizes stream restoration, wetland re-establishment, and wetland rehabilitation approaches.The project streams total 3,286 linear feet (LF) of perennial streams. Wetland re- establishment and rehabilitation total 8.540 acres.The Site will generate 3,286.000 stream credits and 7.267 wetland credits. All stream lengths were measured along the stream centerline for stream credit calculations. The Site is located approximately seven miles southeast of Siler City, NC (Figure 1) in the Cape Fear River Basin 8-Digit Hydrologic Unit Code (HUC) 03030003.The Site is located within the DMS Targeted Local Watershed (TLW)for the Cape Fear River Basin Hydrologic Unit Code (HUC)03030003070050 (Bear Creek TLW) and the NC DWR Subbasin 03-06-12.The Sandy Branch Mitigation Site is one of the projects identified in the Upper Rocky River Local Watershed Plan as a priority for stream and wetland restoration. Sandy Branch and two unnamed tributaries (UT1 and UT2) are located on the Site.The downstream drainage area of the Site is 463 acres.The Site contains tributaries to Bear Creek,which flows into the Rocky River and eventually the Deep River.The 18.10-acre Site is protected with a permanent conservation easement. The project goals established in the Mitigation Plan (Wildlands, 2019)were completed with consideration of goals and objectives described in the Cape Fear River Basin Restoration Priorities (RBRP) plan.The project goals include: • Improve stream channel stability; • Improve instream habitat; • Reconnect channels with floodplains and riparian wetlands; • Restore wetland hydrology, soils, and plant communities; • Restore and enhance native floodplain vegetation; and • Permanently protect the Site from harmful land uses. The project will contribute to achieving the goals for the watershed listed in the Cape Fear RBRP and provide ecological benefits within the Cape Fear River Basin. While benefits such as habitat improvement and geomorphic stability are limited to the Site, others, such as reduced pollutant and sediment loading, have farther reaching effects. Site construction was completed in September 2020, and planting was completed in January 2021. As- built surveys were conducted between September 2020 and January 2021. No major adjustments were made during construction. Baseline (MVO) profiles and cross-section dimensions closely match the design parameters. Cross-section widths and pool depths occasionally deviate from the design parameters but fall within a normal range of variability for natural streams.The Site has been built as designed and is expected to meet the upcoming monitoring year's performance criteria. Sandy Branch Mitigation Site Baseline Monitoring Document and As-Built Baseline Report-FINAL SANDY BRANCH MITIGATION SITE Baseline Monitoring Document and As-Built Baseline Report TABLE OF CONTENTS Section 1: PROJECT GOALS, BACKGROUND,AND ATTRIBUTES 1-1 1.1 Project Location and Setting 1-1 1.2 Project Goals and Objectives 1-1 1.3 Project Structure, Restoration Type, and Approach 1-2 1.3.1 Project Structure 1-2 1.3.2 Restoration Type and Approach 1-2 1.4 Project History, Contacts, and Attribute Data 1-3 Section 2: PERFORMANCE STANDARDS 2-1 2.1 Streams 2-1 2.1.1 Dimension 2-1 2.1.2 Pattern and Profile 2-1 2.1.3 Substrate 2-1 2.1.4 Photo Documentation 2-1 2.1.5 Hydrology Documentation 2-1 2.2 Vegetation 2-2 2.3 Wetlands 2-2 2.4 Visual Assessment 2-2 2.5 Schedule and Reporting 2-2 Section 3: MONITORING PLAN 3-1 3.1 Stream 3-1 3.1.1 Dimension 3-1 3.1.2 Pattern and Profile 3-1 3.1.3 Substrate 3-1 3.1.4 Photo Reference Points 3-2 3.1.5 Hydrology Documentation 3-2 3.1.6 Visual Assessment 3-2 3.2 Vegetation 3-2 3.3 Wetlands 3-2 Section 4: LAND MANAGEMENT AND CONTINGENCY PLAN 4-1 4.1 Stream 4-1 4.2 Vegetation 4-1 4.3 Site Boundary 4-1 Section 5: AS-BUILT CONDITION (BASELINE) 5-1 5.1 As-Built/Record Drawings 5-1 5.1.1 Sandy Branch Reach 1 5-1 5.1.2 Sandy Branch Reach 2 5-1 5.1.3 UT1 5-1 5.1.4 UT2 5-1 5.2 Baseline Data Assessment 5-1 5.2.1 Morphological State of the Channel 5-1 5.2.2 Hydrology 5-2 5.2.3 Wetlands 5-2 5.2.4 Vegetation 5-2 Section 6: REFERENCES 6-1 Sandy Branch Mitigation Site Baseline Monitoring Document and As-Built Baseline Report-FINAL ii Table 1: Mitigation Goals and Objectives—Sandy Branch Mitigation Site 1-1 Table 2: Restoration Type and Approach Per Reach —Sandy Branch Mitigation Site 1-3 APPENDICES Appendix 1 General Figures and Tables Figure 1 Project Vicinity Map Figure 2 Project Component/Asset Map Table 1 Project Components and Mitigation Credits Table 2 Project Activity and Reporting History Table 3 Project Contact Table Table 4 Project Information and Attributes Table 5 Monitoring Component Summary Appendix 2 Visual Assessment Data Figure 3 Monitoring Plan View Stream Photographs Groundwater Well Photographs Vegetation Plot Photographs Appendix 3 Vegetation Plot Data Table 6a Fixed Plots: Planted and Total Stem Counts Table 6b Random Plots: Planted and Total Stem Counts Appendix 4 Morphological Summary Data and Plots Table 7a-b Baseline Stream Data Summary Table 8 Morphology and Hydraulic Summary(Dimensional Parameters—Cross-Section) Longitudinal Profile Plots Cross-Section Plots Reachwide and Cross-Section Pebble Count Plots Appendix 5 As-Built and Record Drawings Sandy Branch Mitigation Site Baseline Monitoring Document and As-Built Baseline Report-FINAL iii Section 1: PROJECT GOALS, BACKGROUND, AND ATTRIBUTES 1.1 Project Location and Setting The Sandy Branch Mitigation Site (Site) is located in central Chatham County, approximately seven miles southeast of Siler City, NC (Figure 1). From Raleigh, NC, take 1-40 W then take US-1 S towards Sanford. In 31.5 miles take exit 70B from US-421 N toward Siler City/Greensboro. Follow US-421 for 14.5 miles and then turn left onto Elmer Moore Rd.The project will be on your left in 0.1 miles.A conservation easement was recorded on 18.10 acres of the Site.The Site contains tributaries to Bear Creek, which flows into the Rocky River, and eventually the Deep River.The Site is located approximately 2.75 miles upstream of the Bear Creek (Chatham) Aquatic Habitat, a Significant Natural Heritage Area that is located at the confluence of Bear Creek and Sandy Branch.The Site is located within the DMS Targeted Local Watershed (TLW) for the Cape Fear River Basin Hydrologic Unit Code (HUC) 03030003070050 (Bear Creek TLW) and the NC DWR Subbasin 03-06-12.The Sandy Branch Mitigation Site is one of the projects identified in the Upper Rocky River Local Watershed Plan as a priority for stream and wetland restoration.The 2009 Cape Fear River Basin Restoration Priorities' (RBRP) Cataloging Unit (CU)-wide functional objectives as well as the TLW goals identified the provision of habitat for the endangered mussel population (creeper, Atlantic pigtoe, brook floater and notched rainbow) and the Cape Fear Shiner as a primary goal. Improving water quality is listed as one of the necessities for achieving this goal. The Site is located in the Carolina Slate Belt of the Piedmont Physiographic Province.The Piedmont Province is characterized by gently rolling, well rounded hills with long low ridges and elevations ranging from 300-1500 feet above sea level.The Site topography and relief are typical for the region.The Carolina Slate Belt consists of heated and deformed volcanic and sedimentary rocks.The area is called "Slate Belt" because of the slatey cleavage of many of the surficial rocks.The region's geology also includes coarse-grained intrusive granites. Prior to construction activities, cattle were grazed along Sandy Branch Reach 1 and 2, UT1 and UT2. Cattle access to these streams resulted in significant ecological impacts.Table 4 in Appendix 1 and Tables 7a-b in Appendix 4 present additional information on pre-restoration conditions. 1.2 Project Goals and Objectives The project is intended to provide numerous ecological benefits within the Cape Fear River Basin. While benefits such as habitat improvement and geomorphic stability are limited to the Site, reduced nutrient and sediment loading have farther reaching effects.Table 1 below describes expected outcomes to water quality and ecological processes associated with the project goals and objectives.These goals were established and completed with careful consideration of goals and objectives described in the RBRP and to meet the DMS mitigation needs while maximizing the ecological and water quality uplift within the watershed. Table 1: Mitigation Goals and Objectives—Sandy Branch Mitigation Site Goal Objective Expected Outcomes Reconstruct stream channels that will Improve stream maintain stable pattern and profile, Reduce and control sediment inputs. considering the hydrologic and sediment Contribute to protection of,or improvement channel stability. inputs to the system,the landscape to,a Nutrient-Sensitive Water. setting,and the watershed conditions. Sandy Branch Mitigation Site Baseline Monitoring Document and As-Built Baseline Report-FINAL 1-1 Goal Objective Expected Outcomes Install habitat features such as constructed riffles, lunker logs and Improve instream Improve aquatic communities in project structures,and brush toe into restored habitat. streams. streams.Add woody material to channel beds.Construct pools of varying depth. Reconstruct stream channels with Reconnect channels Reduce shear stress on channels, hydrate with floodplains and appropriate bankfull dimensions and adjacent wetland areas,and filter pollutants riparian wetlands. depths, relative to the existing from overbank flows. floodplain. Restore wetland Re-establish and rehabilitate riparian Improve terrestrial habitat.Contribute to hydrology,soils,and wetlands by raising stream beds and protection of,or improvement to,a plant communities. planting native wetland species. Nutrient-Sensitive Water. Reduce and control sediment inputs, reduce Restore and and manage nutrient inputs,provide a enhance native Plant native tree species in riparian zones canopy to shade streams and reduce floodplain where currently insufficient. thermal loadings,contribute to protection vegetation. of,or improvement to,a Nutrient-Sensitive Water. Permanently Prevent development and agricultural uses protect the Site Establish a conservation easement on the that would damage the Site or reduce the from harmful uses. Site. benefits of the project. 1.3 Project Structure, Restoration Type, and Approach The final Mitigation Plan was approved in December 2019. Construction activities were completed by Main Stream Earthwork in September 2020.The baseline as-built survey was completed by Summit Design and Engineering Services in January 2021.The planting was completed by Bruton Natural Systems, Inc. in January 2021. Refer to Appendix 1 for detailed project activity, history, contact information, and watershed/Site background information. 1.3.1 Project Structure The project provides 3,286.000 stream credits and 7.267 wetland credits. Refer to Figure 2 Project Component/Asset Map for the stream restoration feature exhibits and Table 1 in Appendix 1 for the project components and mitigation credits for the Site. 1.3.2 Restoration Type and Approach The design streams were restored to the appropriate type based on the surrounding landscape, climate, and natural vegetation communities but also with strong consideration to existing watershed conditions.The project consists of the stream restoration activities as described below (Table 2) and illustrated in Figure 2. Sandy Branch Mitigation Site Baseline Monitoring Document and As-Built Baseline Report-FINAL 1-2 Table 2: Restoration Type and Approach Per Reach—Sandy Branch Mitigation Site Stream Reach Primary Treatment Restoration Activity Stressors/Impairments Approach Erosion, lack of riparian Restoration— Plan, Pattern, Profile, Sandy R1 vegetation Priority 1 Planting, Fencing Branch R2 Incision,erosion, lack of Restoration— Plan, Pattern, Profile, riparian vegetation Priority 1 Planting, Fencing UT1 Incision,erosion, lack of Restoration— Plan, Pattern, Profile, habitat Priority 1 Planting, Fencing UT2 Incision,erosion Restoration— Plan, Pattern, Profile, Priority 1 Planting, Fencing The design approach for this Site utilized a combination of analog and analytical approaches for stream restoration. Reference reaches were identified to serve as the basis for design parameters. Channels were sized based on design discharge hydrologic analysis. Designs were then verified and/or modified based on a sediment transport analysis.This approach has been used on many successful Piedmont and Slate Belt restoration projects (Underwood, Foust, Holman Mill, Maney Farm, and Agony Acres Mitigation Sites) and is appropriate for the goals and objectives for this Site. The morphologic design parameters are shown in Appendix 4,Tables 7a—7b for the restoration reaches, and fall within the ranges specified for C4 streams (Rosgen, 1996).The specific values for the design parameters were selected based on designer experience and judgment and were verified with morphologic data form reference reach data sets. 1.4 Project History, Contacts, and Attribute Data The Site was restored by Wildlands Engineering through a full delivery contract with DMS.Tables 2, 3, and 4 in Appendix 1 provide detailed information regarding the Project Activity and Reporting History, Project Contacts, and Project Information and Attributes. Sandy Branch Mitigation Site vivo Baseline Monitoring Document and As-Built Baseline Report-FINAL 1-3 Section 2: PERFORMANCE STANDARDS The stream performance standards for the project will follow approved standards presented in the Wilmington District Stream and Wetland Compensatory Mitigation Updated in October 2016 by the North Carolina Interagency Review Team (NCIRT). Annual monitoring and semi-annual site visits will be conducted by qualified personnel to assess the condition of the project. Specific performance standard components are proposed for stream morphology, hydrology, and vegetation. Performance standards will be evaluated throughout the seven-year post-construction monitoring. 2.1 Streams 2.1.1 Dimension Riffle cross-sections on the restoration reaches should be largely stable and should only show minor changes in bankfull area, maximum depth ratio, and width-to-depth ratio. Per guidance, bank height ratios shall not exceed 1.2 and entrenchment ratios shall be at least 2.2 for restored channels to be considered stable. Riffle cross-sections should largely fall within the parameters defined for channels of that stream classification. If any changes do occur, these changes will be evaluated to assess whether the stream channel is showing signs of instability. Indicators of instability include a vertically incising thalweg or eroding channel banks. Changes in the channel that indicate a movement toward stability or enhanced habitat include a decrease in the width-to-depth ratio in meandering channels or an increase in pool depth. Remedial action would not be taken if channel changes indicate a movement toward stability. 2.1.2 Pattern and Profile Visual assessments and photo documentation should indicate that streams are remaining stable and do not indicate a trend toward vertical or lateral instability. 2.1.3 Substrate Channel substrate materials will be sampled in restoration reaches using the reach-wide pebble count method. Reaches should show maintenance of coarser substrate in the riffles than in the pools. Riffle cross-section pebble counts were conducted during as-built baseline monitoring and will not be conducted during annual monitoring unless observations indicate a trend toward finer substrate and a comparison is needed. 2.1.4 Photo Documentation Photographs should illustrate the Site's vegetation and morphological stability on an annual basis. Cross- section photos should demonstrate no excessive erosion or degradation of the banks. Longitudinal photos should indicate the absence of persistent bars within the channel or vertical incision. Grade control structures should remain stable. Deposition of sediment on the bank side of vane arms is preferable. Maintenance of scour pools on the channel side of vane arms is expected. 2.1.5 Hydrology Documentation The occurrence of bankfull events will be documented throughout the monitoring period. Four bankfull flow events must be documented within the seven-year monitoring period and individual events must occur in separate years. Stream monitoring will continue until performance standards in the form of four bankfull events in separate years have been documented. Sandy Branch Mitigation Site Baseline Monitoring Document and As-Built Baseline Report-FINAL 2-1 2.2 Vegetation Vegetative performance for riparian buffers associated with the stream restoration component of the project (buffer widths 0—50ft)will be in accordance with the Stream Mitigation Guidelines issued October 2016 by the USACE and NCIRT.The success criteria is an interim survival rate of 320 planted stems per acre at the end of monitoring year three (MY3), 260 stems per acre at the end of MY5, and a final vegetation survival rate of 210 stems per acre at the end of MY7. Planted vegetation must average 10 feet in height in each plot at the end of the seventh year of monitoring. Vegetation monitoring will be conducted between July 1"and the end of the of the growing season. Individual plot data will be provided and will include height, density,vigor, damage (if any), and survival. In fixed vegetation plots, planted woody stems will be marked annually as needed and given a coordinate, based off a known origin so they can be found in succeeding monitoring years. Mortality will be determined from the difference between the previous year's living planted stems and the current year's living planted stems. The extent of invasive species coverage will be monitored and controlled as necessary throughout the required seven-year monitoring period. 2.3 Wetlands The final performance standard for wetland hydrology is based on the soil type on the Site and associated USACE guidance shall be free groundwater surface within 12 inches of the ground surface for 10%of the growing season under normal precipitation conditions. 2.4 Visual Assessment Visual assessments should support the specific performance standards for each metric as described above. 2.5 Schedule and Reporting Monitoring reports will be prepared in the fall of each year of monitoring and submitted to DMS. Based on the DMS Annual Monitoring Report Template (June, 2017), the monitoring reports will include the following: • Project background which includes project objectives, project structure, restoration type and approach, location and setting, history and background; • Monitoring Current Condition Plan View (CCPV) maps with major project elements noted such as grade control structures, vegetation plots, permanent cross-sections, groundwater wells, and crest gauges; • Photographs showing views of the restored Site taken from fixed point stations; • Assessment of the stability of the Site based on the cross-sections; • Vegetative data as described above including the establishment of any undesirable plant species; • A description of damage by animals or vandalism; and • Maintenance issues and recommended remediation measures will be detailed and documented. Sandy Branch Mitigation Site Baseline Monitoring Document and As-Built Baseline Report-FINAL 2-2 Section 3: MONITORING PLAN Monitoring will consist of collecting morphological, hydrologic, and vegetative data to assess the project performance based on the restoration goals and objectives on an annual basis until performance criteria have been met.The performance of the project will be assessed using measurements of the stream channel's dimension, substrate composition, permanent photographs, surface water hydrology, and vegetation.Any areas identified as high priority problems, such as streambank instability, aggradation/degradation, or lack of vegetation establishment will be evaluated on a case-by-case basis. The problem areas will be visually noted, and remedial actions will be discussed with DMS staff to determine a plan of action. A remedial action plan will be submitted if substantial maintenance is required.The monitoring period will extend seven years beyond completion of construction or until performance criteria have been met. 3.1 Stream Geomorphic assessments will follow guidelines outlined in the Stream Channel Reference Sites: An Illustrated Guide to Field Techniques (Harrelson et al., 1994), methodologies utilized in the Rosgen stream assessment and classification document(Rosgen, 1994 and 1996), and in the Stream Restoration: A Natural Channel Design Handbook(Doll et al, 2003). Refer to Figure 3 in Appendix 2 and Record Drawings in Appendix 5 for monitoring locations discussed below. 3.1.1 Dimension A total of eight cross-sections were installed along the stream restoration reaches.Two cross-sections were installed per 1,000 linear feet of stream restoration work,with riffle and pool sections in proportion to DMS guidance. Each cross-section was permanently marked with pins to establish its location. Cross-section surveys include points measured at all breaks in slope; including top of bank, bankfull, edge of water, and thalweg to monitor any deviations in dimension. If moderate bank erosion is observed along a stream reach during the monitoring period, a series of bank pins will be installed in representative areas where erosion is occurring for reaches with a bankfull width of greater than five feet. If required, bank pins will be installed in at least three locations (one in upper third of the pool, one at the mid-point of the pool, and one in the lower third of the pool). If bank pins are required,they will be monitored by measuring exposed rebar and maintaining pins flush to bank to capture bank erosion progression. Annual cross-section surveys will be conducted in monitoring years MY1, MY2, MY3, MY5, and MY7. Photographs will be taken annually of the cross-sections looking upstream and downstream. 3.1.2 Pattern and Profile Longitudinal profile surveys will not be conducted during the seven-year monitoring period unless other indicators during the annual monitoring show a trend toward vertical and lateral instability. If a longitudinal profile is deemed necessary, monitoring will follow standards as described in the DMS Monitoring Requirements and Performance Standards for Stream and/or Wetland Mitigation (DMS, 2011)and the 2003 USACE and NCDWR Stream Mitigation Guidance for the necessary reaches. Stream pattern and profile will be assessed visually as described below in section 3.1.6. 3.1.3 Substrate A reach-wide pebble count will be performed in four reaches (Sandy Branch Reach 1 and 2, UT1, and UT2) during monitoring years 1, 2, 3, 5, and 7 for classification purposes and to show that riffles remain coarser than pools. Riffle cross-section pebble counts were conducted during as-built baseline monitoring only unless observations indicate a trend toward finer substrate and a comparison is needed. Sandy Branch Mitigation Site Baseline Monitoring Document and As-Built Baseline Report-FINAL 3-1 3.1.4 Photo Reference Points A total of 18 permanent photograph reference points were established along the stream reaches after construction. Permanent markers were established so that the same locations and view directions on the Site are photographed each year. Longitudinal stream photographs will be taken looking upstream and downstream once a year to visually document stability. Cross-sectional photos will be taken at each permanent cross-section looking upstream and downstream. Representative digital photos of each permanent photo point will be taken on the same day the stream assessments are conducted. 3.1.5 Hydrology Documentation One automated crest gauge was installed on Site.The crest gauge was installed in a surveyed riffle cross- section on Sandy Branch Reach 2. Crest gauge data will be downloaded during site visits to determine if a bankfull event has occurred since the last visit. Additionally, photographs will be collected to document the occurrence of debris lines and sediment deposition as evidence of bankfull events. 3.1.6 Visual Assessment Visual assessments will be performed at the Site on a semi-annual basis during the seven-year monitoring period. Problem areas will be noted such as channel instability(i.e. lateral and/or vertical instability, in-stream structure failure/instability and/or piping, or headcuts), vegetated health (i.e. low stem density,vegetation mortality, invasive species or encroachment), beaver activity, or livestock access. Areas of concern will be mapped and accompanied by a written description in the annual report. Problem areas will be re-evaluated during each subsequent visual assessment. Should remedial actions be required, recommendations will be provided in the annual monitoring report. 3.2 Vegetation Planted woody vegetation will be monitored in accordance with the guidelines and procedures developed by the Carolina Vegetation Survey-EEP Level 2 Protocol (Lee et al., 2006)to monitor and assess the planted woody vegetation. A total of thirteen standard 10 meter by 10 meter vegetation plots were established within the project easement area.Three of the thirteen vegetation plots will be relocated randomly on an annual basis to monitor vegetation health across the Site. Vegetation plots were randomly established between the conservation easement boundaries and five feet from the top of stream banks. Fixed vegetation plot corners have been marked and are recoverable either through field identification or with the use of a GPS unit. Reference photographs were taken at the origin looking diagonally across the plot to the opposite corner during the baseline monitoring in January 2021. Subsequent annual assessments following the baseline survey will capture the same reference photograph locations. Planted woody stems will be marked annually, as needed, based off a known origin so they can be found in subsequent monitoring years. Species composition, density, and survival rates will be evaluated on an annual basis by plot and for the entire Site. Individual plot data will be provided and will include height, density, vigor, damage (if any), and survival. Mortality will be determined from the difference between the baseline year's living planted stems and the current year's living planted stems. Vegetation surveys will be conducted during monitoring years 1, 2, 3, 5, and 7. 3.3 Wetlands Twelve groundwater monitoring wells equipped with pressure transducers were installed to assess hydrology in wetland re-establishment and rehabilitation areas. Pressure transducers will record groundwater pressure at least twice daily. Monitoring well data will be analyzed in consideration of recorded precipitation, reference well data, and growing season dates. Data from groundwater wells will be downloaded at regular intervals and included in annual monitoring reports. Sandy Branch Mitigation Site Baseline Monitoring Document and As-Built Baseline Report-FINAL 3-2 The estimated growing season for Chatham County is approximately March 18th through November 17th based on NRCS WETS Tables. A soil temperature probe was installed on-site to determine growing season dates for each individual monitoring year. Per USACE guidance, the probe was located at a depth of 12 inches.The growing season will be defined as that portion of the year where soil temperature remains above 41 degrees Fahrenheit. Soil temperature must be corroborated with bud break and the growing season may not begin before March 1st of each year when calculating hydroperiods. If a wetland zone does not meet the performance standard for a given monitoring year, rainfall patterns will be analyzed, and the hydrograph will be compared to that of the reference wetlands to assess whether atypical weather conditions occurred during the monitoring period. Monitoring wells and soil temperature probe locations are shown on Figure 3 in Appendix 2. Sandy Branch Mitigation Site Baseline Monitoring Document and As-Built Baseline Report-FINAL 3-3 Section 4: LAND MANAGEMENT AND CONTINGENCY PLAN Wildlands will perform maintenance as needed at the Site. A physical inspection of the Site shall be conducted a minimum of once per year throughout the post-construction monitoring period until performance standards are met.These site inspections may identify components and features that require routine maintenance. Routine maintenance should be expected most often in the first two years following construction and may include one or more of the following components. 4.1 Stream Stream problem areas will be mapped and included in the CCPV as part of the annual stream assessment. Stream problems areas may include bank erosion, structure failure, beaver dams, aggradation/degradation, etc. Routine channel maintenance and repair activities may include chinking of in-stream structures to prevent piping, securing loose coir matting, and supplemental installations of live stakes and other target vegetation along the channel. Areas where storm water runoff flows into the channel may also require maintenance to prevent bank failures and head-cutting. 4.2 Vegetation Vegetation shall be maintained to ensure the health and vigor of the targeted community. Vegetative problem areas will be mapped and included in the CCPV as part of the annual vegetation assessment. Vegetation problem areas may include planted vegetation not meeting performance criteria, persistent invasive species, barren areas with little to no herbaceous cover, or grass suffocation/crowding of planted stems. Routine vegetation maintenance and repair activities may include supplemental planting, pruning, mulching, and fertilizing. Exotic invasive plant species shall be controlled by mechanical and/or chemical methods. Any vegetation control requiring herbicide application will be performed in accordance with NC Department of Agriculture rules and regulations. 4.3 Site Boundary Site boundary issues will be mapped and included in the CCPV as part of the annual visual assessment. Site boundaries shall be identified in the field to ensure clear distinction between the Site and adjacent properties. Boundaries are marked with conservation easement signs attached to metal posts. Boundary markers disturbed, damaged, or destroyed will be repaired and/or replaced on an as needed basis. Sandy Branch Mitigation Site Baseline Monitoring Document and As-Built Baseline Report-FINAL 4-1 Section 5: AS-BUILT CONDITION (BASELINE) The Site construction and as-built surveys were completed between September 2020-January 2021.The survey included developing an as-built topographic surface; as well as, surveying the as-built channel centerlines, top of banks, structures, and cross-sections. 5.1 As-Built/Record Drawings A sealed half-size set of record drawings are in Appendix 5 which includes the post-construction survey, alignments, structures, and monitoring features. No significant field adjustments were made during construction that differ from the design plans. Minimal adjustments were made during construction, where needed, based on field evaluation and are listed below. 5.1.1 Sandy Branch Reach 1 • Station 100+32 boulder sill not installed due to elevation of existing bedrock. • Station 100+41—Station 100+60 boulder toe substituted for log vane due to elevation of existing bedrock. 5.1.2 Sandy Branch Reach 2 • Station 111+36 angled log sill substituted for boulder sill due to material availability. • Station 119+98 angled log sill substituted for boulder sill due to material availability. • Station 126+74 angled log sill substituted for boulder sill due to material availability. • Station 127+53 boulder sill not installed due to removal of drop over pool. • Station 127+74—Station 128+05 boulder toe added for additional bank stability. • Station 128+97—Station 129+25 brush toe substituted for boulder toe due to material availability. 5.1.3 UT1 • Station 200+68 angled log sill substituted for boulder sill due to material availability. • Station 200+84—Station 200+69 boulder toe added for additional bank stability. 5.1.4 UT2 • Station 302+68 rock floodplain outlet added due to observed overland flow. 5.2 Baseline Data Assessment Baseline monitoring(MYO)was conducted between September and January 2021.The first annual monitoring assessment(MY1)will be completed in late 2021.The streams will be monitored for a total of seven years,with the final monitoring activities concluding in 2027.The close-out for the Site will be conducted in 2028 given the performance criteria have been met. 5.2.1 Morphological State of the Channel Refer to Appendix 2 for stream photographs and Appendix 4 for summary data tables and morphological plots. Profile The MYO longitudinal profiles closely match the design profile. On the design profiles, pools and riffles were depicted as straight lines with consistent slopes.The as-built surveyed profiles are not as consistent in slope due to the size of the rock used for construction. Pool and riffle depths and slopes are expected to be maintained near design parameter values.The variations in slope and depth do not Sandy Branch Mitigation Site Baseline Monitoring Document and As-Built Baseline Report-FINAL 5-1 constitute a problem or indicate a need for remedial actions and will be assessed visually during the site walks. Dimension The MYO channel dimensions fall within specified design parameter ranges.The channels are expected to maintain dimensions of C4 Rosgen type channels. Summary data and cross-section plots of each project reach are included in Appendix 4. Pattern The MYO pattern metrics fall within the design parameter ranges for all reaches. No major changes to design alignments were made during construction. Pattern data will be evaluated in MY5 if channel dimensions or profile indicate that significant geomorphic changes have occurred. Sediment Transport As-built shear stress and velocities are similar to design calculations and should reduce the risk of further erosion along the reaches.The substrate data for each constructed reach was compared to the design shear stress parameters from the mitigation plan to assess the potential for bed degradation.The shear stresses calculated for the constructed channels are within the allowable range, which indicates the channel is not at risk to trend toward channel degradation. 5.2.2 Hydrology Bankfull events recorded following completion of construction will be reported in the MY1 report. 5.2.3 Wetlands Wetland data recorded following completion of construction will be reported in the MY1 report. Groundwater well photographs are in Appendix 2. 5.2.4 Vegetation The MYO vegetation survey was completed in January 2021.The MYO planted density is 573 stems per acre which exceeds the MY3 interim stem density requirement of 320 planted stems per acre. Vegetation Plot photographs are included in Appendix 2 and summary data for each plot are included in Tables 6a and 6b in Appendix 3. Sandy Branch Mitigation Site Baseline Monitoring Document and As-Built Baseline Report-FINAL 5-2 Section 6: REFERENCES Doll, B.A., Grabow, G.L., Hall, K.A., Halley,J., Harman, W.A.,Jennings, G.D., and Wise, D.E. 2003. Stream Restoration A Natural Channel Design Handbook. Drostin, M., and Herrmann, M. 2009. Cape Fear River Basin Restoration Priorities. North Carolina Ecosystem Enhancement Program. Harrelson, Cheryl C; Rawlins, C.L.; Potyondy,John P. 1994.Stream Channel Reference Sites:An Illustrated Guide to Field Technique. Gen.Tech. Rep. RM-245. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station. 61 p. Lee, Michael T., Peet, Robert K., Steven D., Wentworth,Thomas R. 2006. CVS-EEP Protocol for Recording Vegetation Version 4.0. http://www.nceep.net/business/ monitoring/veg/datasheets.htm. North Carolina Department of Environmental Quality, Division of Mitigation Services (DMS). 2017. Annual Monitoring Report Format, Data Requirements, and Content Guidance June 2017. Accessed at: https://deq.nc.gov/about/divisions/mitigation-services/dms-vendors/rfp-forms-templates North Carolina Department of Environmental Quality, Division of Water Resources (NCDWR). 2018. Lake and Reservoir Assessments Cape Fear River Basin. Accessed at: https://deq.nc.gov/about/divisions/water-resources/water-resources-data/water-sciences-home- page/reports-publications-data#capefear-river-basin North Carolina Department of Environmental Quality, Division of Water Resources (NCDWR). 2011. Surface Water Classifications. Accessed at: https://deq.nc.gov/about/divisions/water- resources/planning/classification-standards/classifications#DWRPrimaryClassification North Carolina Department of Environmental Quality, Division of Water Resources (NCDWR). 2012. 2012 North Carolina Integrated Report. Accessed at: https://deq.nc.gov/about/divisions/water- resources/planning/modeling-assessment/water-quality-data-assessment/integrated-report-files North Carolina Interagency Review Team. 2016. Wilmington District Stream and Wetland Compensatory Mitigation Update. Accessed at: https://saw-reg.usace.army.mil/PN/2016/Wilmington-District- M itigation-Update.pdf Rosgen, D. L. 1994. A classification of natural rivers. Catena 22:169-199. Rosgen, D.L. 1996. Applied River Morphology. Pagosa Springs, CO: Wildland Hydrology Books. United States Army Corps of Engineers (USACE). 2003. Stream Mitigation Guidelines. USACE, NCDENR- DWQ, USEPA, NCWRC. United States Geological Survey(USGS), 1998. North Carolina Geology. Accessed at: http://www.geology.enr.state.nc.us/usgs/carolina.htm Wildlands Engineering, Inc. (2019). Sandy Branch Mitigation Project Mitigation Plan. DMS, Raleigh, NC. Sandy Branch Mitigation Site vivo Baseline Monitoring Document and As-Built Baseline Report-FINAL 6-1 APPENDIX 1. General Figures and Tables }d i'znannnwn7nnn 0 x . c eo,,. creel(' - Project Location a se Hydrologic Unit Code (14 Digit) 6ariUm A"�Ext DMS Targeted Local Watersheds Sam FieIds Ka re N CI ` 4 G 0 rC*76. i _o t rn , 03030003070020 03030003070040 t - c.5prinrjy Rd u�r� Gilrttore Lodrye Rd I o GA. _ ./ ._ i�e� ' ., - �..,.��..� �•' 3 e\., d �Q�Moore rya �a "arth ..` / ,,t di L21- 1 f °yg MY a. ,- • 1 x b n _.:_ .e r n u CarnAbe 03030003070050 - Bear Creek -,1s'`rg4`` a dy A?i S "0"..... 1 �' A .� E..♦ \ i1 The subject project site is an environmental restoration site of the / `�_ \ �� NCDEQ Division of Mitigation Services(DMS)and is f r�`:SsId•-"°\.er-.{ encompassed by a recorded conservation easement,but is bordered by land under private ownership.Accessing the site may f ecaT 1 Directions: 50 require traversing areas near or along the easement boundary and From Raleigh, NC,take 1-40 W then ;t therefore access by the general public is not permitted.Access by take US-1 S towards Sanford. In 31.5 authorized personnel of state and federal agencies or their miles take exit 70B from US-1 N toward designees/contractors involved in the development,oversight, 030300030E Siler City/Greensboro. Follow US-421 ' and stewardship of the restoration site is permitted within the terms and timeframes of their defined roles.Any intended site visitation or for 14.5 miles and then turn left onto activity by any person outside of these previously sanctioned roles Elmer Moore Rd.The project will be on %.r and activites requires prior coordination with DMS. your left in 0.1 miles. 10 Figure 1 - Project Vicinity Map It WI LD L A N D S Sandy Branch Mitigation Site ENGINEERING 0 0.5 1 Miles DMS Project No. 100060 I I I I I Monitoring Year 0-2021 Chatham County, NC 1-1 ' u_ _� Conservation Easement gage MooreC1:3 _�L ��_. 1 r4.it' . ,.' x .. Wetland Re-establishment III :t • A \ Wetland Rehabilitation Ili V I! 'x< _ V Stream Restoration IN. N ` � A -�.,'\�.``° I \\ tt —tt Fencing . III ,� Reach Break LLA 4� - . __t SandyBranch N n a. Reach 1 ��'_ ' "" t' } . ..lr .. - . ..iiik:. dieg _ *Pi \ ' li * ® mist, ay r� 1 i t• x iiiii `1, . ~ �" -P7 Ili x NI ` t X • ' ' Reach 2 ` 0,, I • • r:a �� X �. , ,-„isit,..*3• II ,:0 ,. 0 , «� .1 -ill - lc '" . ft I VOr- f \11 • .4. T t 1 1 ' ' ill \\:1 r' • w1111f1r III 7w., ' li .�'' •y' � yam .,., -1's•''''ep s - Y '4 t. W t I �;•` ` ti vo-• Y 2018 Aerial Photography .% y Figure 2- Project Component/Asset Map 011111,,WILDLANDS , Sandy Branch Mitigation Site ENGINEERING 0 150 300 Feet DMS Project No. 100060 I I I I I N Monitoring Year 0-2021 Chatham County, NC Table 1. Project Components and Mitigation Credits Sandy Branch Mitigation Site DMS Project No.100060 Monitoring Year 0-2021 PROJECT COMPONENTS Existing Footage Mitigation Plan As-Built Mitigation Mitigation Ratio Reach ID or Footage or Cale or Restoration Level Priority Level X.1 Project Credits Footage or Comments Acreage Acreage gory ( j Acreage STREAMS Full Channel Restoration,Planted II 838 861 Warm R P1 1 861.000 849 Buffer, Fencing Out Livestock Sandy Branch Reach 1 126 110 Warm R P1 1 110.000 104 Full Channel Restoration,Planted Buffer,Fencing Out Livestock Sandy Branch Reach 2 1,931 1,929 Warm R P1 1 1,929.000 1,919 Full Channel Restoration,Planted Buffer,Fencing Out Livestock UT1 102 131 Warm R P1 1 131.000 125 Full Channel Restoration,Planted Buffer,Fencing Out Livestock UT2 ill257 Warm R Pl 1 255.000 254 Full Channel Restoration,Planted 11=1Buffer,Fencing Out Livestock WETLANDS Hydrologic Restoration, Wetland Re-Establishment N/A 4.721 Riparian R 1 4.721 4.721 Conservation Easement,Planted Wetland Rehabilitation 3.819 3.819 Riparian RE 1.5 2.546 3.819 Hydrologic Restoration, Conservation Easement,Planted PROJECT CREDITS Stream Riparian Wetland Non-Riparian Restoration Level Coastal Marsh Warm Cool Cold Riverine Non-Riverine Wetland Restoration 3,286.000 Enhancement I Enhancement II Preservation Re-Establishment 4.721 Rehabilitation 2.546 Enhancement Creation Totals 3,286.000 7.267 Table 2. Project Activity and Reporting History Sandy Branch Mitigation Site DMS Project No.100060 Monitoring Year 0-2021 Activity or Repo11=11 Data Collection CompletWompletion or Scheduled Delivery Mitigation Plan December 2019 December 2019 Final Design-Construction Plans June 2020 June 2020 Construction September 2020 September 2020 Temporary S&E mix applied to entire project areal September 2020 September 2020 Permanent seed mix applied to reach/segments1 September 2020 September 2020 Bare root and live stake plantings for reach/segments January 2021 January 2021 Stream Survey September 2020 Baseline Monitoring Document(Year 0) March 2021 Vegetation Survey January 2021 Stream Survey 2021 Year 1 Monitoring December 2021 Vegetation Survey 2021 Stream Survey 2022 Year 2 Monitoring December 2022 Vegetation Survey 2022 Stream Survey 2023 Year 3 Monitoring December 2023 Vegetation Survey 2023 Year 4 Monitoring December 2024 Stream Survey Year 5 Monitoring December 2025 Vegetation Survey Year 6 Monitoring December 2026 Stream Survey Year 7 Monitoring December 2027 Vegetation Survey 'Seed and mulch is added as each section of construction is completed. Table 3. Project Contact Table Sandy Branch Mitigation Site DMS Project No.100060 Monitoring Year 0-2021 Wildlands Engineering,Inc. Designer 312 West Millbrook Road,Suite 225 Greg Turner,PE Raleigh,NC 27609 919.851.9986 Main Stream Earthwork,Inc. Construction Contractor 631 Camp Dan Valley Rd. Reidsville,NC 27320 Bruton Natural Systems,Inc Planting Contractor P.O.Box 1197 Fremont,NC 27830 Main Stream Earthwork,Inc. Seeding Contractor 631 Camp Dan Valley Rd. Reidsville,NC 27320 Green Resources Seed Mix Sources P.O.Box 429 Colfax,NC 27235 Nursery Stock Suppliers Dykes and Sons Nursery and Greenhouse Bare Roots 825 Maude Etter Rd McMinnville,TN 37110 Live Stakes Bruton Natural Systems,Inc Monitoring Performers Wildlands Engineering,Inc. Jason Lorch Monitoring,POC 919.851.9986 Table 4. Project Information and Attributes Sandy Branch Mitigation Site DMS Project No.100060 Monitoring Year 0-2021 PROJECT INFORMATION Project Name Sandy Branch Mitigation Site County Chatham County Project Area(acres) 18.10 Planted(acres) 15.87 Project Coordinates(latitude and longitude) 35°38'35"N 79°23'14"W PROJECT WATERSHED SUMMARY INFORMATION Physiographic Province Carolina Slate Belt of the Piedmont Physiographic Province River Basin Cape Fear River USGS Hydrologic Unit 8-digit 03030003 USGS Hydrologic Unit 14-digit 03030003070050 DWR Sub-basin 03-06-12 Project Drainiage Area(acres) 463 Project Drainage Area Percentage of Impervious Area(2011) 1.5% CGIA Land Use Classification(2011) 49%Cultivated Crops and Hay,36%Forested,13%Developed,1%Shrubland,1%Grassland/Herbaceou REACH SUMMARY INFORMATION Parameters Sandy Branch Reach 1 Sandy Branch Reach 2 UT1 UT2 Length of Reach(linear feet)-Post-Restoration 953 1,919 125 254 Drainage Area(acres) 323 388-463 35 73 NCDWR Stream Identification Score 48 44.5 45.5 NCDWR Water Quality Classification C,NSW Morphological Desription(stream type) Perennial Evolutionary Trend(Simon's Model)-Pre-Restoration Stage III:Degradation Underlying Mapped Soils CmB-Cid-Lignum complex FEMA Classification N/A REGULATORY CONSIDERATIONS Regulation Applicable? Resolved? Supporting Documentation Waters of the United States-Section 404 Yes Yes Waters of the United States-Section 401 Yes Yes USAGE Nationwide Permit No.27 and DWQ 401 Water Quality Certification No.4134. Division of Land Quality(Dam Safety) N/A N/A N/A Sandy Branch Mitigation Plan;Wildlands determined"no effect"on Chatham County listed endangered species.Per the new standard from the United States Fish and Endangered Species Act Yes Yes Wildlife Service(USFWS)Raleigh Field Office,Wildlands submitted the Sandy Branch Mitigation Site Self-Certification Letter on July 9,2018.USFWS had no comment during the thirty-day review period.All documents and correspondence submitted to the USFWS are included in the Appendix. Correspondence from SHPO on April 16,2018 indicating they were not aware of any Historic Preservation Act Yes Yes historic resources that would be affected by the project. Coastal Zone Management Act(CZMA)/Coastal Area Management Act No N/A N/A FEMA Floodplain Compliance No N/A N/A Essential Fisheries Habitat No N/A N/A Table 5. Monitoring Component Summary Sandy Branch Mitigation Site DMS Project No.100060 Monitoring Year 0-2021 Quantity/Length by Reach Parameter Monitoring Feature Sandy Sandy Frequency Branch Branch UT1 UT2 Reach 1 Reach 2 Riffle Cross-Sections 1 2 1 1 Year 1,2,3,5,and 7 Dimension Pool Cross-Sections 1 2 0 0 Year 1,2,3,5,and 7 Pattern Pattern N/A N/A Profile Longitudinal Profile MVO(Unless Required) Substrate Reach Wide Pebble Count 1 RW 1 RW 1 RW 1 RW Year 1,2,3,5,and 7 Transducer:Crest Gauge(CG)or Hydrology Flow Gauge(FG) 1 CG N/A Quarterly Vegetation CVS Level 2 Vegetation Plots 10 Fixed;3 Random Year 1,2,3,5,and 7 Wetlands Groundwater Well 12 Quarterly Visual Assessment Semi-Annual Exotic and Nuisance Yes Semi-Annual Vegetation Project Boundary Semi-Annual Reference Photos Photographs 18 Annual APPENDIX 2. Visual Assessment Data it. -- luirip i Conservation Easement Moore1Z3 �._. -r ` fa. ,. Wetland Re-establishment III `,'', 01+00 m41% �\ - ,. r \ Wetland Rehabilitation I� (] �WGciV ■ Structures g...w., - . ,. `.\\ i MilFixed Vegetation Plot �GWGE1 q.//, /',, ;\\ Random Vegetation Plot I 00;`` ( )\\ +54, — Fencing g ,, \\` tio� '', — Stream Restoration _Irn.•. _ � ' Q , +^r ---• As-built Top of Bank % �` Reach 9 lR`'• \11a� UT1 r, Cross-Sections - • 110 \\` �4- ,. Reach Break + F i ,\1 35000 5sy Xs o,. Crest Gauge 1 e 4 VI ® �..GPO�k 4- • lit, �4 + Groundwater Gauge ' —4. -x GWGa ;.', s It 0 Photo Points 12 ,.,113+00 111 ilDra + Soil Temperature Probe 'R Gp0 ,� (I) �? III Barotroll III \:. 3 WOO r' g3 A 'I I 1. II ��1ik00 II 1 III 6 G0411Q,- v c.\\` PP 12+I + •. �. #.1 x ft 0(44_ f s�� q z • I 1, . el • 1 I .' k , , ± l_ yXo°�5,xod mom' ea �111 r • ,1;:17413, ,' --, tt Olt GP413 11 � . i, ,y, It' 1 - _ - - -- t 2018 Aerial Photography .t - - • r -� - Figure 3- Monitoring Plan View 011111,,WILDLANDS , Sandy Branch Mitigation Site ENGINEERING 0 150 300 Feet DMS Project No. 100060 I I I I I ICI Monitoring Year 0-2021 Chatham County, NC STREAM PHOTOGRAPHS .. • 1 ,: ' Ks al f• • 5'?+l1 ) Y i&.'i : PHOTO POINT 1 Sandy Branch R1—upstream(09/23/2020) PHOTO POINT 1 Sandy Branch R1—downstream(09/23/2020) ,� _ ._ I a 'a ti PHOTO POINT 2 Sandy Branch R1—upstream(09/23/2020) PHOTO POINT 2 Sandy Branch R1—downstream(09/23/2020) °;, � �� iNM -W • - -----4 .1,:. :-.1: :,,": '1$,::-:-.--44,',...'.,,,,,_ 4 . ,. _. . .7. :',. : - - . .,, 44-,,fiv.,::21v.,:14:4 ii.-. iit PHOTO POINT 3 Sandy Branch R1—upstream (09/23/2020) PHOTO POINT 3 Sandy Branch R1—downstream(09/23/2020) Sandy Branch Mitigation Site Appendix 2:Visual Assessment Data—Stream Photographs t µ c, ... x i�aieiztih.I • .'.4y.n : _ • 2.4.... sue' 'i h 1 • 'i'c KLy„R., rc- PHOTO POINT 4 Sandy Branch R1—upstream(09/23/2020) PHOTO POINT 4 Sandy Branch R1—downstream(09/23/2020) • as wT yp PHOTO POINT 5 Sandy Branch R1—upstream(09/23/2020) PHOTO POINT 5 Sandy Branch R1—downstream(09/23/2020) • -- = «,$4,:, 1 . • PHOTO POINT 6 UT1—upstream (09/23/2020) PHOTO POINT 6 UT1—downstream (09/23/2020) Sandy Branch Mitigation Site Appendix 2:Visual Assessment Data—Stream Photographs ` arse r' v '. Yw k'[ ; -_ - yam• 9AS_ '• "Lerw S� zM '4i' i PHOTO POINT 7 Sandy Branch R2—upstream(09/23/2020) PHOTO POINT 7 Sandy Branch R2—downstream(09/23/2020) PHOTO POINT 8 Sandy Branch R2—upstream(09/23/2020) PHOTO POINT 8 Sandy Branch R2—downstream(09/23/2020) -. yY `i by r' .: yy .'. -mow`' M'` y •• y '' PHOTO POINT 9 Sandy Branch R2—upstream (09/23/2020) PHOTO POINT 9 Sandy Branch R2—downstream(09/23/2020) Sandy Branch Mitigation Site Appendix 2:Visual Assessment Data—Stream Photographs ir.___ ,.. , . .. .. , . , . . - ...., .. ti ,,,.., .. ,...."...:".:.. .. . . . .„,:iitr....witt.:4‘1,,,...._......;--,70,1,....„41,44,40,,,.... - PHOTO POINT 10 SandyBranch R2—upstream(09/23/2020) PHOTO POINT 10 Sandy Branch R2—downstream(09/23/2020) ` ' k I y f . r ' ' r a �� .g,, :� y k PHOTO POINT 11 Sandy Branch R2—upstream(09/23/2020) PHOTO POINT 11 Sandy Branch R2—downstream(09/23/2020) x D Y • . . - - -. � ',..:-.41".'..,.-. - ' . 01 rili -- - .•_-• , dS • .x..6 a .. PHOTO POINT 12 Sandy Branch R2—upstream (09/23/2020) PHOTO POINT 12 Sandy Branch R2—downstream (09/23/2020) Sandy Branch Mitigation Site Appendix 2:Visual Assessment Data—Stream Photographs 1 :: `ve■ V i . •I ems. P PHOTO POINT 13 Sandy Branch R2—upstream(09/23/2020) PHOTO POINT 13 Sandy Branch R2—downstream(09/23/2020) • ',,. t PHOTO POINT 14 Sandy Branch R2—upstream(09/23/2020) PHOTO POINT 14 Sandy Branch R2—downstream(09/23/2020) • ,yy .. `FLY ,, 9. _may.:, Y3 fir.d-�.��-'a�'•:.. P.. '' . _¢ :eq, -:'- : ' ' '. • r #k eiliiiii4,-. '...'. • ,o-• y PHOTO POINT 15 Sandy Branch R2—upstream (09/23/2020) PHOTO POINT 15 Sandy Branch R2—downstream (09/23/2020) Sandy Branch Mitigation Site Appendix 2:Visual Assessment Data—Stream Photographs 1 i R•Y ifs.��6 :'.; _'. ,,t e'nfik `-'; '-.„..-;:'# . i . tt-....,- -.4 �.q 17' • f PHOTO POINT 16 Sandy Branch R2—upstream(09/23/2020) PHOTO POINT 16 Sandy Branch R2—downstream(09/23/2020J • • p e; PHOTO POINT 17 UT2—upstream(09/23/2020) PHOTO POINT 17 UT2—downstream(09/23/2020) r ,``..1 g " °„ fC a, gr • ,-.41 . (tt,_°",.1V.• .,...:7.4. ;,'': , PHOTO POINT 18 UT2—upstream (09/23/2020) PHOTO POINT 18 UT2—downstream (09/23/2020) ' Sandy Branch Mitigation Site Appendix 2:Visual Assessment Data—Stream Photographs GROUNDWATER WELL PHOTOGRAPHS �` g . , i,--.„,...:. . , . • • , . _ . .• -..... .... r<. li .• ,.::. --:::.--•,......_...i._:.:%. „•':.!-.:. r, . -.44":.:'re..:;-..0.- --,,.•,.' :',r...-''.-.-4:004.i0.,,4'-.‘,' _,a,..,'',. . . --I': -- ' .. .:,..,.,/ _:-..-.:.,--- ...44...4v.,!,..3.,,..,,,,o,,,,,,,,,-,_4,..•....,, ...,....,.-., -,...,..40...-',1<„, •.....,,,..,....„--,...-,511,..,,..;,,,-.,,r,..::.-: .. . T j. ..Wyk I y g- :.1. GROUNDWATER WELL 1(09/23/2020) GROUNDWATER WELL 2(09/23/2020) r L F i • 1 . . . - - - - . . • • , . ...,, .. . , _ ......_. __. , . . . , .. GROUNDWATER WELL 3(09/23/2020) GROUNDWATER WELL 4(09/23/2020) �" y - a- • GROUNDWATER WELL 5(09/23/2020) GROUNDWATER WELL 6(09/23/2020) A Sandy Branch Mitigation Site Appendix 2:Visual Assessment Data—Groundwater Well Photographs ` ;A' ��!' .i. • •`�•`\�,''"F ,Y �'7' A '"T • &.L t ; •., ilk �� s .. _ � ' ^; may, :�. --.:(:' ':'..4400. • e ' `I 3 y f N� i . * a erg` i Lek a� y• �`.42. � _' .4 ak„m t w '� • j u ,e 's'` .4,..,,,,, ,. \.,,,,.... .,! „...",:21, , ,.,-... ••....,,,,:,...,,4....,-•yk.-,,.,t...*:,;,.,..,....-4... '� T 4 ti k • �. \_ / $ lh. tT Sl.. µ 4R i`.11{ ➢ Y ke,. 3u � �•�" °'=�� ,d... # 4,- rg 1z }�; � ^ t ;_ c S r .� 3 x -73�titi.•. e y GROUNDWATER WELL 7(09/23/2020) GROUNDWATER WELL 8(09/23/2020) - -.J fte.1 • • I /• } _, ' -4,17 . . . I .. . .._ ... „., :..,,., • GROUNDWATER WELL 9(09/23/2020) GROUNDWATER WELL 10(09/23/2020) r. -r • ' S :. n 4 — ' .:. ••-:..,:..,..-....... „,..: -,v- 3 y xy lit,.....,,, -4:-,f.4,!:..: .;40 -• - ..• ' . �J GROUNDWATER WELL 11(09/23/2020) GROUNDWATER WELL 12(09/23/2020) Sandy Branch Mitigation Site Appendix 2:Visual Assessment Data—Groundwater Well Photographs VEGETATION PLOT PHOTOGRAPHS •- ". Wit; FIXED VEG PLOT 1(01/11/2021) FIXED VEG PLOT 2(01/11/2021) FIXED VEG PLOT 3(01/11/2021) FIXED VEG PLOT 4(01/11/2021) i 4. Sim �y y W 4 y _ j,� ' A 4 � MR Vi FIXED VEG PLOT 5(01/11/2021) FIXED VEG PLOT 6(01/11/2021) ' Sandy Branch Mitigation Site I Appendix 2:Visual Assessment Data—Vegetation Plot Photographs a . , li ., FIXED VEG PLOT 7(01/11/2021) FIXED VEG PLOT 8(01/11/2021) -- r E 5 E r �. ,414..41, ill, t AN i, VP Io • 1 FIXED VEG PLOT 9(01/11/2021) FIXED VEG PLOT 10(01/11/2021) t 1 c t. I er' -. 000 � ,it RANDOM VEG PLOT 11(01/11/2021) RANDOM VEG PLOT 12(01/11/2021) ' I Sandy Branch Mitigation Site Appendix 2:Visual Assessment Data—Vegetation Plot Photographs i ram; ' r wr l:" 'l i ' RANDOM VEG PLOT 13 (01/11/2021) 40I Sandy Branch Mitigation Site Appendix 2:Visual Assessment Data—Vegetation Plot Photographs APPENDIX 3. Vegetation Plot Data Table 6a.Fixed Plots: Planted and Total Stem Counts Sandy Branch Mitigation Site DMS Project No.100060 Monitoring Year 0-2021 Current Plot Data(MYO 2021) VP 1 VP 2 VP 3 VP 4 VP 5 Scientific Name Common Name Species Type PnoLS P-all T PnoLS P-all T PnoLS P-all T PnoLS P-all T PnoLS P-all T Acer negundo Boxelder Tree 1 1 1 1 1 1 1 1 1 Betula nigra River Birch Tree 3 3 3 2 2 2 2 2 2 2 2 2 2 2 2 Celtis laevigata Sugarberry Shrub Tree 1 1 1 1 1 1 1 1 1 Diospyros virginiana Persimmon Tree 1 1 1 2 2 2 Platanus occidentalis Sycamore Tree 2 2 2 4 4 4 1 1 1 3 3 3 2 2 2 Quercus michauxii Swamp Chestnut Oak Tree 2 2 2 4 4 4 3 3 3 1 1 1 4 4 4 Quercus nigra Water Oak Tree 1 1 1 1 1 1 1 1 1 Quercus pagoda Cherrybark Oak Tree 2 2 2 2 2 2 1 1 1 Quercus phellos Willow Oak Tree 3 3 3 3 3 3 4 4 4 Quercus shumardii Shumard Oak Tree Salixnigra Black Willow Tree 1 1 1 1 1 1 1 1 1 Ulmus rubra Slippery Elm Tree 1 1 1 1 1 1 2 2 2 Stem count 14 14 14 15 15 15 14 14 14 12 12 12 16 16 16 size(ares) 1 1 1 1 1 size(ACRES) 0.02 0.02 0.02 0.02 0.02 Species count 9 9 9 6 6 6 8 8 8 7 7 7 8 8 8 Stems per ACRE 567 567 567 607 607 607 567 567 567 486 486 486 647 647 647 Color for Density Exceeds requirements by 10% Exceeds requirements,but by less than 10% Fails to meet requirements,by less than 10% Fails to meet requirements by more than 10% PnoLS-Planted Stems Excluding Live Stakes P-all-All Planted Stems T-All Woody Stems Table 6a.Fixed Plots: Planted and Total Stem Counts Sandy Branch Mitigation Site DMS Project No.100060 Monitoring Year 0-2021 Current Plot Data(MYO 2021) Annual Means VP 6 VP 7 VP 8 VP 9 VP 10 MYO(2021) Scientific Name Common Name Species Type PnoLS P-all T PnoLS P-all T PnoLS P-all T PnoLS P-all T PnoLS P-all T PnoLS P-all T Acer negundo Boxelder Tree 1 1 1 1 1 1 1 1 1 1 1 1 7 7 7 Betula nigra River Birch Tree 4 4 4 2 2 2 3 3 3 3 3 3 3 3 3 26 26 26 Celtis laevigata Sugarberry Shrub Tree 1 1 1 1 1 1 5 5 5 Diospyros virginiana Persimmon Tree 1 1 1 2 2 2 6 6 6 Platanus occidentalis Sycamore Tree 3 3 3 2 2 2 2 2 2 3 3 3 2 2 2 24 24 24 Quercus michauxii Swamp Chestnut Oak Tree 3 3 3 1 1 1 2 2 2 2 2 2 1 1 1 23 23 23 Quercus nigra Water Oak Tree 2 2 2 2 2 2 1 1 1 1 1 1 9 9 9 Quercus pagoda Cherrybark Oak Tree 1 1 1 2 2 2 8 8 8 Quercus phellos Willow Oak Tree 4 4 4 2 2 2 1 1 1 4 4 4 21 21 21 Quercus shumardii Shumard Oak Tree 1 1 1 2 2 2 3 3 3 Salixnigra Black Willow Tree 3 3 3 Ulmus rubra Slippery Elm Tree 1 1 1 3 3 3 1 1 1 2 2 2 11 11 11 Stem count 15 15 15 14 14 14 15 15 15 15 15 15 16 16 16 146 146 146 size(ares) 1 1 1 1 1 10 size(ACRES) 0.02 0.02 0.02 0.02 0.02 0.25 Species count 7 7 7 8 8 8 8 8 8 8 8 8 8 8 8 12 12 12 Stems per ACRE 607 607 607 567 567 567 607 607 607 607 607 607 647 647 647 591 591 591 Color for Density Exceeds requirements by 10% Exceeds requirements,but by less than 10% Fails to meet requirements,by less than 10% Fails to meet requirements by more than 10% PnoLS-Planted Stems Excluding Live Stakes P-all-All Planted Stems T-All Woody Stems Table 6b.Random Plots: Planted and Total Stem Counts Sandy Branch Mitigation Site DMS Project No.100060 Monitoring Year 0-2021 Current Plot Data(MY0 2021) Annual Means Species VP 11 VP 12 VP 13 MY0(2021) Scientific Name Common Name Type Te Total Te Total Te Total Te Total Acer negundo Boxelder Tree 1 1 1 1 0 0 2 2 Betula nigra River Birch Tree 3 3 5 5 4 4 12 12 Platanus occidentalis Sycamore Tree 6 6 2 2 0 0 8 8 Quercus michauxii Swamp Chestnut Oak Tree 2 2 1 1 3 3 6 6 Quercus nigra Water Oak Tree 0 0 2 2 0 0 2 2 Quercus phellos Willow Oak Tree 2 2 3 3 1 1 6 6 Quercus shumardii Shumard Oak Tree 1 1 0 0 0 0 1 1 Ulmus rubra Slippery Elm Tree 0 0 0 0 1 1 1 1 Stem count 15 15 14 14 9 9 38 38 size(ares) 1 1 1 2 size(ACRES) 0.02 0.02 0.02 0.07 Species count 6 6 6 6 4 4 8 8 Stems per ACRE 607 607 567 567 364 364 513 513 Color for Density Exceeds requirements by 10% Exceeds requirements,but by less than 10% Fails to meet requirements,by less than 10% Fails to meet requirements by more than 10% Te-Number of stems including exotic species Total-Number of stems excluding exotic species APPENDIX 4. Morphological Summary Data and Plots Table 7a.Baseline Stream Data Summary Sandy Branch Mitigation Site DMS Project No.100060 Monitoring Year 0-2021 PRE-EXISTING CONDITIONS DESIG `MONITORING BASELINE (MYO) Parameter Sandy Branch R1 Riffle Only Min Max n Min Max Min Max n Bankfull Width(ft) 6.6 1 14.0 14.4 1 Floodprone Width(ft) >60 1 >30.8 100 1 Bankfull Mean Depth 1 1 0.9 1 1 Bankfull Max Depth 1.6 1 1.3 1.5 1 Bankfull Cross Sectional Area(ft2) 6.6 1 13.2 14.9 1 Width/Depth Ratio 6.5 1 14.8 13.9 1 Entrenchment Ratio >9.1 1 >2.20 6.9 1 Bank Height Ratio 1.0 1 1.00 1.20 1.0 1 Max part size(mm)mobilized at bankfull 87 88 82.7 Rosgen Classification E4/F4 C4 C4 Bankfull Discharge(cfs) 22 44.0 51 Sinuosity 1.10 1.16 1.16 Water Surface Slope(ft/ft)2 0.0100 0.0140 --- 0.002 0.011 0.007 Other Parameter Sandy Branch R2 Riffle Only Min Max n Min Max Min Max n Bankfull Width(ft) 7.3 11 3 16.0 15.0 16.9 2 Floodprone Width(ft) 11.0 40 3 >35.2 70 80 2 Bankfull Mean Depth 1.2 1.6 3 1.1 0.9 1.0 2 Bankfull Max Depth 1.7 2.1 3 1.5 1.4 1.5 2 Bankfull Cross Sectional Area(ft2) 9.1 14.0 3 17.5 14.0 16.3 2 Width/Depth Ratio 4.7 8.4 3 14.6 16.2 17.5 2 Entrenchment Ratio 1.5 3.7 3 >2.20 4.1 5.3 2 Bank Height Ratio 1.8 2.4 3 1.0 1.2 1.0 1.0 2 Max part size(mm)mobilized at bankfull 68.3 Rosgen Classification F4 C4 C4 Bankfull Discharge(cfs) 29 39 51.0 58.0 53 57 2 Sinuosity 1.20 1.27 1.27 Water Surface Slope(ft/ft)2 0.0041 0.0090 --- 0.004 0.024 0.006 Other Table 7b.Baseline Stream Data Summary Sandy Branch Mitigation Site DMS Project No.100060 Monitoring Year 0-2021 PRE-EXISTING I DESIGN MONITORING CONDITIONS (M Parameter UT1 Riffle Only Min Max n Min Max Min Max n Bankfull Width(ft) 3.3 1 7.0 7.7 1 Floodprone Width(ft) 12 1 >15.4 55.0 1 Bankfull Mean Depth 0.63 1 0.6 0.7 1 Bankfull Max Depth 1.2 1 0.8 1.2 1 Bankfull Cross Sectional Area(ft2) 2.1 1 4.0 5.3 1 Width/Depth Ratio 5.2 1 12.3 11.3 1 Entrenchment Ratio 3.7 1 >2.20 7.1 1 Bank Height Ratio 2.9 1 1.0 1.2 1.0 Max part size(mm)mobilized at bankfull 62.6 Rosgen Classification E4/F4 C4 C4 Bankfull Discharge(cfs) 7.7 9.0 13 Sinuosity 1.10 1.14 1.14 Water Surface Slope(ft/ft)2 0.0270 0.003 0.020 0.008 Other Parameter UT2 Riffle Only Min Max n Min Max Min Max n Bankfull Width(ft) 2.9 1 9.0 9.9 1 Floodprone Width(ft) 6 1 >19.8 80.0 1 Bankfull Mean Depth 1.4 1 0.7 0.8 1 Bankfull Max Depth 1.7 1 1.0 1.3 1 Bankfull Cross Sectional Area(ft2) 4.1 1 6.5 8.1 1 Width/Depth Ratio 2.1 1 12.5 12.2 1 Entrenchment Ratio 2.2 1 >2.20 8.1 1 Bank Height Ratio 2.5 1 1.0 1.2 1.0 Max part size(mm)mobilized at bankfull 77.4 Rosgen Classification F4 C4 C4 Bankfull Discharge(cfs) 15 16.0 27 Sinuosity 1.10 1.09 1.09 Water Surface Slope(ft/ft)2 0.0084 0.0140 --- 0.004 0.025 0.008 Other Table 8. Morphology and Hydraulic Summary(Dimensional Parameters-Cross-Section) Sandy Branch Mitigation Site DMS Project No.100060 Monitoring Year 0-2021 andy Branch ReachI Cross-Section 1(Pool) Cross-Section 2(Riffle) Cross-Section 3(Riffle) Cross-Section 4(Pool) Dimension Base MY1 MY2 MY3 MY5 MY7 Base MY1 MY2 MY3 MY5 MY7 Base MY1 MY2 MY3 MY5 MY7 Base MY1 MY2 MY3 MY5 MY7 Bankfull Elevation(ft)-Based on AB-Bankfulll Area N/A 473.58 465.71 N/A Bank Height Ratio-Based on AB Bankfulll Area N/A 1.00 1.00 N/A Thalweg Elevation 470.62 472.04 464.27 461.58 LTOB2 Elevation 474.01 473.58 465.71 465.78 LTOB2 Max Depth(ft) 3.4 1.5 1.4 4.2 LTOB2 Cross Sectional Area(ft2) 38.9 14.9 16.3 56.7 IIMMI- IMP Sandy Branch Reach 2 IMP IMP 'II=P 11111 UT1 IMP 11=P !Mk IMP Cross-Section 5(Riffle) Cross-Section 6(Pool) Cross-Section 7(Riffle) Cross-Section 8(Riffle) Dimension Base MY1 MY2 MY3 MY5 MY7 Base MY1 MY2 MY3 MY5 MY7 Base MY1 MY2 MY3 MY5 MY7 Base MY1 MY2 MY3 MY5 MY7 Bankfull Elevation(ft)-Based on AB-Bankfulll Area 461.37 N/A 469.34 459.29 Bank Height Ratio-Based on AB Bankfulll Area 1.00 N/A 1.00 1.00 Thalweg Elevation 459.87 458.14 468.11 457.99 LTOB2 Elevation 461.37 461.17 469.34 459.29 LTOB2 Max Depth(ft) 1.5 3.3 1.2 1.3 LTOB2 Cross Sectional Area(ft2) 14.0 38.6 5.3 8.1 1Bank Height Ratio(BHR)takes the As-built bankful area as the basis for adjusting each subsequent years bankfull elevation. 2LTOB Area and Max depth-These are based on the LTOB elevation for each years survey(The same elevation used for the LTOB in the BHR calculation). Area below the LTOB elevation will be used and tracked for each year as above. The difference between the LTOB elevation and the thalweg elevation(same as in the BHR calculation)will be recroded and tracked above as LTOB max depth. Longitudinal Profile Plots Sandy Branch Mitigation Site DMS Project No.100061 Monitoring Year 0-2021 Sandy Branch Reach 1(STA 100+00 to 110+11) 480 - ani il x 478 476 A A .4 .A. k • • ••• A AAA A A4 AA A AA AA A 4 A A AA A A AA A AA a • • AA AA A AA : • 4I A 4A AA •••• *AAA • • •• A AA,A A A • A• • if 474 4 4 .f. • • • O 472 -.0 ---•- 10"--- 'al Tj 470 468 466 - 10000 10050 10100 10150 10200 10250 10300 10350 10400 10450 10500 Station(feet) —•—TW(MY0-1/2021) _WSF(MY0-1/2021) • LBKF/LTOB(MY0-1/2021) • RBKF/RTOB(MY0-1/2021) • STRUCTURE(MY0-1/2021) 476 - . I I 474 I I I I • • 4 e A•k • AA A AA• A, # AA AA_ _ _ _ _ 472 470 A A AA • A AA A AA A I I if A A • A • A A )______________ -_____________ -A• t /A tA4AA •A• A 1, .4 A • A A •AA • c o 468 ci ............a......*_irfi_r_= LT, 466 1 40 Easement I 464 Break I 10500 10550 10600 10650 10700 10750 10800 10850 10900 10950 11000 Station(feet) —•—TW(MY0-1/2021) WSF(MY0-1/2021) LBKF/LTOB(MYO-1/2021) • RBKF/RTOB(MY0-1/2021) 0 STRUCTURE(MYO-1/2021) Longitudinal Profile Plots Sandy Branch Mitigation Site DMS Project No.100060 Monitoring Year 0-2021 Sandy Branch Reach 2(STA 110+11 to 129+40) 472 m a m m 470 -• x x • 468 = ♦••! ♦•• y __ •••t••• A ---I r •••1�♦♦•♦♦ • i 464 462 460 11000 11050 11100 11150 11200 11250 11300 11350 11400 11450 11500 11550 11600 11650 11700 11750 11800 11850 11900 11950 12000 Station(feet) TW(MY0-1/2021) -WSF(MY0-1/2021) ♦ LBKF/LTOB(MY0-1/2021) ♦ RBKF/RTOB(MY0-1/2021) • STRUCTURE(MY0-1/2021) 464 - 462 LA).'•: it a'•A Alt•Li IA t A:A A AA• : • • AA, AA ______________ t i. • 01 w 45E ......4._vi../ • y 456 - ITJ 454 452 12000 12050 12100 12150 12200 12250 12300 12350 12400 12450 12500 12550 12600 12650 12700 12750 12800 12850 12900 12950 Station(feet) —4—TW(MYO-1/2021) WSF(MYO-1/2021) LBKF/LTOB(MYO-1/2021) ♦ RBKF/RTOB(MYO-1/2021) 0 STRUCTURE(MYO-1/2021) Longitudinal Profile Plots Sandy Branch Mitigation Site DMS Project No.100061 Monitoring Year 0-2021 UT1(STA 200+61 to 201+92) 475 - n 473 471 a • ♦ • A • • ° 469 A •• ♦ •• • ♦ • • ♦ ♦ ♦ • • • 467 • • 465 20050 20100 20150 20200 Station(feet) tTW(MY0-1/2021) -WSF(MY0-1/2021) LBKF/LTOB(MY0-1/2021) ♦ RBKF/RTOB(MY0-1/2021) 0 STRUCTURE(MY0-1/2021) Longitudinal Profile Plots Sandy Branch Mitigation Site DMS Project No.100061 Monitoring Year 0-2021 UT2(STA 300+38 to 302+93) 464 - co x x 462 • • • ! • • • 460 • • • r A• i • . li • • o — 458 456 454 30000 30050 30100 30150 30200 30250 30300 Station(feet) ♦ TW(MYO-1/2021) -WSF(MYO-1/2021) LBKF/LTOB(MVO-1/2021) • RBKF/RTOB(MYO-1/2021) 0 STRUCTURE(MYO-1/2021) Cross-Section Plots Sandy Branch Mitigation Site DMS Project No.100061 Monitoring Year 0-2021 Cross-Section 1-Sandy Branch R1 103+29 Pool 475 474 ♦ 473 ';� 472 471 470 0 10 20 30 40 Width(ft) —MYO(1/2021) —Bankfull Bankfull Dimensions 38.9 x-section area(ft.sq.) 21.9 width(ft) 1.8 mean depth(ft) ' v `s 3.4 max depth(ft) 23.2 wetted perimeter(ft) 1.7 hydraulic radius(ft) ;.",t 12.3 width-depth ratio Survey Date: 1/2021 Field Crew: Summit Design&Engineering Services View Downstream Cross-Section Plots Sandy Branch Mitigation Site DMS Project No.100061 Monitoring Year 0-2021 Cross-Section 2-Sandy Branch R1 103+69 Riffle 476 475 474 ';� 473 472 471 0 10 20 30 40 Width(ft) MY0(1/2021) -Bankfull -Floodprone Area Bankfull Dimensions 14.9 x-section area(ft.sq.) 14.4 width(ft) ` 1.0 mean depth(ft) - �-. 1.5 max depth(ft) 15.1 wetted perimeter(ft) • 1.0 hydraulic radius(ft) - 13.9 width-depth ratio 100.0 W flood prone area(ft) r- =; y -�( 6.9 entrenchment ratio y 1.0 low bank height ratio Survey Date: 1/2021 ♦ -•1 ' Field Crew: Summit Design&Engineering Services View Downstream Cross-Section Plots Sandy Branch Mitigation Site DMS Project No.100061 Monitoring Year 0-2021 Cross-Section 3-Sandy Branch R2 115+32 Riffle 468 467 466 t • • 465 w 464 w 463 462 0 10 20 30 40 Width(ft) MY0(1/2021) —Bankfull —Floodprone Area Bankfull Dimensions "Milk __ :a • 16.3 x-section area(ft.sq.) 16.9 width(ft) "1° _ _ • 1.0 mean depth(ft) • wix 1.4 max depth(ft) 4" l 17.3 wetted perimeter(ft) +: 0.9 hydraulic radius(ft) — 17.5 width-depth ratio r jam"_ 70.0 W flood prone area(ft) 4.1 entrenchment ratio + � 7 ,- 1.0 low bank height ratio - - Survey Date: 1/2021 . .. - ti Field Crew: Summit Design&Engineering Services . View Downstream Cross-Section Plots Sandy Branch Mitigation Site DMS Project No.100061 Monitoring Year 0-2021 Cross-Section 4-Sandy Branch R2 115+68 Pool 468 467 466 t 465 �• • 464 w w 463 462 461 - 0 10 20 30 40 50 60 70 Width(ft) +MYO(1/2021) -Bankfull Bankfull Dimensions 56.7 x-section area(ft.sq.) 25.7 width(ft) 2.2 mean depth(ft) ie,' 4.2 max depth(ft) 29.0 wetted perimeter(ft) T' 2.0 hydraulic radius(ft) 11.7 width-depth ratio Survey Date: 1/2021 Field Crew: Summit Design&Engineering Services View Downstream Cross-Section Plots Sandy Branch Mitigation Site DMS Project No.100061 Monitoring Year 0-2021 Cross-Section 5-Sandy Branch R2 122+55 Riffle 464 463 462 �^ • • • •—s 461 0 w 460 459 458 0 10 20 30 40 50 Width(ft) MY0(1/2021) —Bankfull —Floodprone Area Bankfull Dimensions - r!� 14.0 x-section area(ft.sq.) 15.0 width(ft) 0.9 mean depth(ft) • 1.5 max depth(ft) I • • 15.8 wetted perimeter(ft) :F " 1- 0.9 hydraulic radius(ft) • 16.2 width-depth ratio _ - 80.0 W flood prone area(ft) ' . 5.3 entrenchment ratio . ; �_- 1.0 low bank height ratioT Survey Date: 1/2021 Field Crew: Summit Design&Engineering Services View Downstream Cross-Section Plots Sandy Branch Mitigation Site DMS Project No.100061 Monitoring Year 0-2021 Cross-Section 6-SandyBranch R2 123+04 Pool 463 462 461 460 w 459 458 457 0 10 20 30 40 50 Width(ft) +MYO(1/2021) —Bankfull Bankfull Dimensions .- . 38.6 x-section area(ft.sq.) p 22.7 width(ft) ; 4. • 1.7 mean depth(ft) '�' ` • If_ 3.3 max depth(ft) +" 23.9 wetted perimeter(ft) 1.6 hydraulic radius(ft) --_ 13.4 width-depth ratio Survey Date: 1/2021 •-4 Field Crew: Summit Design&Engineering Services 4. View Downstream Cross-Section Plots Sandy Branch Mitigation Site DMS Project No.100061 Monitoring Year 0-2021 Cross-Section 7-UT1 201+19 Riffle 472 471 470 • 469 ♦�� 0 w 468 w 467 466 , , 0 5 10 15 20 Width(ft) MY0(1/2021) —Bankfull —Floodprone Area Bankfull Dimensions 5.3 x-section area(ft.sq.) EIPIIIIIII- .. y. 7.7 width(ft) _ I- •. 0.7 mean depth(ft) • '• .°*.e•-it 1.2 max depth(ft) .,3i' '-- 8.3 wetted perimeter(ft) 0.6 hydraulic radius(ft) - - 11.3 width-depth ratio � .�,r� 55.0 W flood prone area(ft) t, ,;'' " _ 7.1 entrenchment ratio { 1.0 low bank height ratio 4r Sr Survey Date: 1/2021 • Field Crew: Summit Design&Engineering Services %-i.. lit, - - ,,i : View Downstream Cross-Section Plots Sandy Branch Mitigation Site DMS Project No.100061 Monitoring Year 0-2021 Cross-Section 8 -UT2 301+79 Riffle 462 461 460 • 459 0 w 458 457 456 0 5 10 15 20 25 Width(ft) MY0(1/2021) -Bankfull -Floodprone Area Bankfull Dimensions ;• xN 8.1 x-section area(ft.sq.) .' . �° • 9.9 width(ft) •.St`-. , . '' • - ' 0.8 mean depth(ft) 1.3 max depth(ft) �- 10.4 wetted perimeter(ft) -�»� - __ 0.8 hydraulic radius(ft) ►- 12.2 width-depth ratio 80.0 W flood prone area(ft) 4y 8.1 entrenchment ratio 1.0 low bank height ratio 4.4 � :z ^ r:: h: T. Survey Date: 1/2021 Field Crew: Summit Design&Engineering Services T ' A View Downstream Reachwide and Cross-Section Pebble Count Plots Sandy Branch Mitigation Site DMS Project No.100060 Monitoring Year 0-2021 Sandy Branch R1,Reachwide Diameter(mm) Particle Count Reach Summary Particle Class Class Percent Sandy Branch R1,Reachwide min max Riffle Pool Total Percentage Cumulative Pebble Count Particle Distribution SILT/CLAY Silt/Clay 0.000 0.062 1 17 18 18 18 100 * I I 1 ~• • Very fine 0.062 0.125 18 90 Silt/Clay Sard I< Gravel Fine 0.125 0.250 4 4 4 22 EiraMMil-- li- 80 Bedrock_ Q$C) Medium 0.25 0.50 22 S Coarse 0.5 1.0 1 6 7 7 29 0 70 Very Coarse 1.0 2.0 29 (;) 60 Very Fine 2.0 2.8 29 550 Very Fine 2.8 4.0 1 1 1 30 40 Fine 4.0 5.6 4 4 4 34 V Fine 5.6 8.0 5 6 11 11 45 u 30 J0' Medium 8.0 11.0 5 3 8 8 53 a 20 60. Medium 11.0 16.0 5 4 9 9 62 10 Coarse 16.0 22.6 5 2 7 7 69 0 Coarse 22.6 32 5 2 7 7 76 0.01 0.1 1 10 100 1000 10000 Very Coarse 32 45 8 8 8 84 Particle Class Size(mm) Very Coarse 45 64 7 1 8 8 92 �MYO-09/2020 Small 64 90 3 3 3 95 0,, Small 90 128 2 2 2 97 e Large 128 180 2 2 2 99 Large 180 256 1 1 1 100 Sandy Branch R1,Reachwide Small 256 362 100 Individual Class Percent 100 40, Small 362 512 100 Medium 512 1024 100 90 Large/Very Large 1024 2048 100 80 BEDROCK Bedrock 2048 >2048 100 c 70 ,v Total 50 50 100 100 100 w 60 a r, 50 Reachwide f0 V 40 Channel materials(mm) D16= Silt/Clay v 30 D35= 5.78 c 20 _ D50= 9.8 — 10 D95= 90.0 �co'L 4-,o.LS ,5 '. '1, ,ti4 b hcp W ,y1 ,y(o 1,,L<9 „z'L by ,ob 0O 4, ��O 156 ��ti 4,,,'L 1O.Lb,Ob4 bo�6 o. o D1oo= 256.0 Particle Class Size(mm) MY0-09/2020 Reachwide and Cross-Section Pebble Count Plots Sandy Branch Mitigation Site DMS Project No.100060 Monitoring Year 0-2021 Sandy Branch R2,Reachwide Diameter(mm) Particle Count Reach Summary Particle Class Class Percent Sandy Branch R2,Reachwide min max Riffle Pool Total Percentage Cumulative Pebble Count Particle Distribution SILT/CLAY Silt/Clay 0.000 0.062 5 27 32 32 32 100 * I I I •� ~• • Very fine 0.062 0.125 32 90 Silt/Clay yard Gj7bbl414el Fine 0.125 0.250 5 5 5 37 80 e Boulder Bedrock� Q$C) Medium 0.25 0.50 1 4 5 5 42 Coarse 0.5 1.0 42 F. 70 Very Coarse 1.0 2.0 42 i 60 Very Fine 2.0 2.8 42 3 50 Very Fine 2.8 4.0 42 L40 • • • Fine 4.0 5.6 1 2 3 3 45 Fine 5.6 8.0 1 3 4 4 49 u 30 JFp Medium 8.0 11.0 3 1 4 4 53 a 20 60. Medium 11.0 16.0 3 3 6 6 59 10 Coarse 16.0 22.6 2 1 3 3 62 0 Coarse 22.6 32 1 1 2 2 64 0.01 0.1 1 10 100 1000 10000 Very Coarse 32 45 10 10 10 74 Particle Class Size(mm) Very Coarse 45 64 6 1 7 7 81 MVO 9/2020 Small 64 90 8 2 10 10 91 �\, Small 90 128 7 7 7 98 L0� Large 128 180 2 2 2 100 Large 180 256 100 Sandy Branch R2,Reachwide >.................. Individual Class Percent Small 256 362 100 100 Small 362 512 100 Medium 512 1024 100 90 Large/Very Large 1024 2048 100 80 BEDROCK Bedrock 2048 >2048 100 c 70 w Total 50 50 100 100 100 w 60 a rA 50 Reachwide f0 u 40 Channel materials(mm) 73 D16= Silt/Clay 30 D35= 0.19 c 20 D50= 8.7 — 10 D95= 110.1 cp, 40 o.LS ,5 '. ti ,ti4 b 49 W ,y1 ,y(o 1,,L<9 ,,l, by ,ob cO 1,L'b ��O 156 ��ti 4,y'L 1O,Lb,Ob4 bo�6 o. o D1oo= 180.0 Particle Class Size(mm) i MVO-09/2020 Reachwide and Cross-Section Pebble Count Plots Sandy Branch Mitigation Site DMS Project No.100060 Monitoring Year 0-2021 UT1,Reachwide Diameter(mm) Particle Count Reach Summary Particle Class Class Percent UT1,Reachwide min max Riffle Pool Total Percentage Cumulative Pebble Count Particle Distribution SILT/CLAY Silt/Clay 0.000 0.062 2 23 25 25 25 100 * I I I •—• • Very fine 0.062 0.125 25 90 Silt/Clay yard )14 Gravel Fine 0.125 0.250 2 9 11 11 36 80 Cobble Boulder gedrock� Q4� Medium 0.25 0.50 1 1 2 2 38 S Coarse 0.5 1.0 1 1 2 2 40 F. 70 Very Coarse 1.0 2.0 40 i 60 Very Fine 2.0 2.8 40 3 50 Very Fine 2.8 4.0 40 E 40 • • Fine 4.0 5.6 3 4 7 7 47 y Fine 5.6 8.0 2 3 5 5 52 u 30 .10. Medium 8.0 11.0 2 2 2 54 a 20 GQ.P Medium 11.0 16.0 3 1 4 4 58 10 Coarse 16.0 22.6 2 4 6 6 64 0 Coarse 22.6 32 7 1 8 8 72 0.01 0.1 1 10 100 1000 10000 Very Coarse 32 45 7 7 7 79 Particle Class Size(mm) Very Coarse 45 64 8 2 10 10 89 • MvO 9/2020 Small 64 90 6 6 6 95 �\0 Small 90 128 1 1 2 2 97 L0� Large 128 180 2 2 2 99 Large 180 256 1 1 1 100 UT1,Reachwide Individual Class Percent Small 256 362 100 100 Small 362 512 100 tel Medium 512 1024 100 90 Large/Very Large 1024 2048 100 80 BEDROCK Bedrock 2048 >2048 100 c 70 w Total 50 50 100 100 100 w 60 a 50 Reachwide f0 u 40 Channel materials(mm) 7.3 D16= Silt/Clay 30 D35= 0.23 c 20 I D50= 6.9 10 Dsa= 53.7 ' ' I u I ' I ' I D95= 90.0 �co'L 4-,o.LS ,5 '. '1, ,ti4 b hcp W ,y1 ,y(o 1,,L<9 3� by ,ob ,O 1,L'b ��O 156 ��ti 4,y'L 1O,Lb,Ob4 bo�6 o. o D1oo= 256.0 Particle Class Size(mm) i MVO-09/2020 Reachwide and Cross-Section Pebble Count Plots Sandy Branch Mitigation Site DMS Project No.100060 Monitoring Year 0-2021 UT2,Reachwide Diameter(mm) Particle Count Reach Summary Particle Class Class Percent UT2,Reachwide min max Riffle Pool Total Percentage Cumulative Pebble Count Particle Distribution SILT/CLAY Silt/Clay 0.000 0.062 3 24 27 25 25 100 E ^T� r• •—• • • Very fine 0.062 0.125 25 90 Silt/Clay k cal Gravel Fine 0.125 0.250 3 3 3 27 80 Cobble Boulder Bedrock_ Q$C) Medium 0.25 0.50 1 11 12 11 38 yi Coarse 0.5 1.0 2 2 2 40 e 70 Very Coarse 1.0 2.0 40 i 60 Very Fine 2.0 2.8 40 3 50 Very Fine 2.8 4.0 40 E 40 • • Fine 4.0 5.6 40 Fine 5.6 8.0 1 1 1 41 u 30 JFp Medium 8.0 11.0 1 1 2 2 43 a 20 GQ.P Medium 11.0 16.0 1 3 4 4 46 10 Coarse 16.0 22.6 3 3 3 49 0 Coarse 22.6 32 2 1 3 3 52 0.01 0.1 1 10 100 1000 10000 Very Coarse 32 45 6 3 9 8 60 Particle Class Size(mm) Very Coarse 45 64 12 1 13 12 72 • MvO 9/2020 Small 64 90 9 9 8 80 '''\, Small 90 128 9 9 8 88 00.'' Large 128 180 8 8 7 95 Large 180 256 4 4 4 99 UT2,Reachwide Individual Class Percent Small 256 362 1 1 1 100 100 Small 362 512 100 tel Medium 512 1024 100 90 Large/Very Large 1024 2048 100 80 BEDROCK Bedrock 2048 >2048 100 c 70 w Total 60 50 110 100 100 w 60 0 rA 50 Reachwide f0 u 40 Channel materials(mm) 7.3 D16= Silt/Clay 30 D85= 0.41 c 20 I D50= 25.4 10 ■ 1 ■ ■ ■ 1 1 1 1 1 ■D84= 106.9 0 D95= 176.2 (.o'L 42 o.LS ,5 '. ti 1, b h(p W ,y1 ,y(o 1,1,<o ,51, by ,ob cO 4b $ 156 41,4,,,11,1OLb le es6 O. 0 D1a0= 362.0 Particle Class Size(mm) i MVO-09/2020 Reachwide and Cross-Section Pebble Count Plots Sandy Branch Mitigation Site DMS Project No.100060 Monitoring Year 0-2021 Sandy Branch R1,Cross-Section 2 Diameter(mm) Summary Particle Class Riffle 100-Count Class Percent Sandy Branch R1,Cross-Section 2 min max Percentage Cumulative Pebble Count Particle Distribution SILT/CLAY Silt/Clay 0.000 0.062 6 6 6 100 ,,,(— -).6. • • • • Very fine 0.062 0.125 6 90 Silt/Clay Sad >t< Gravel Fine 0.125 0.250 1 1 7 80 Nobble GQr'�ier Bedrock� Q$C) Medium 0.25 0.50 2 2 9 Coarse 0.5 1.0 5 5 14 70 Very Coarse 1.0 2.0 14 > 60 Very Fine 2.0 2.8 14 g 50 Very Fine 2.8 4.0 1 1 15 E 40 Fine 4.0 5.6 7 7 22 Y w 30 Fine 5.6 8.0 8 8 30 u ,..p Medium 8.0 11.0 7 7 37 a 20 • GQ Medium 11.0 16.0 9 9 46 10 • Coarse 16.0 22.6 15 15 61 0 Coarse 22.6 32 10 10 71 0.01 0.1 1 10 100 1000 10000 Very Coarse 32 45 9 9 80 Particle Class Size(mm) Very Coarse 45 64 8 8 88 tmvo-w/zozo Small 64 90 3 3 91 \(<, Small 90 128 1 1 92 c . Large 128 180 4 4 96 Large 180 256 3 3 99 Sandy Branch R1,Cross-Section 2 Small 256 362 1 1 100 Individual Class Percent 100 Small 362 512 100 90 Medium 512 1024 100 80 Large/Very Large 1024 2048 100 BEDROCK Bedrock 2048 >2048 100 c 70 w Total 100 100 100 y 60 a Li 50 Cross-Section 2 i0 u 40 Channel materials(mm) D16= 4.20 v 30 D35= 10.04 'v 20 E 10 D84= 17.5D = 53.7 0 ■ — ■ 1 — , 1 1 1 , ■ — ■ ■ D95= 165.3 pco'1' y1`5 Otis Oy 'v ti 1Lb P 4° 4z 'c ,yo��b ,�'1' Ph 0b cO 46 1$O <o 41',1ti o b oOW Ooi' o• o• ti ti 0 Dim- 362.0 Particle Class Size(mm) NYO-09/zozo Reachwide and Cross-Section Pebble Count Plots Sandy Branch Mitigation Site DMS Project No.100060 Monitoring Year 0-2021 Sandy Branch R2,Cross-Section 3 Diameter(mm) Summary Particle Class Riffle 100-Count Class Percent Sandy Branch R2,Cross-Section 3 min max Percentage Cumulative Pebble Count Particle Distribution SILT/CLAY Silt/Clay 0.000 0.062 3 3 3 100 .„(— -).1.. • • • • Very fine 0.062 0.125 3 90 Silt/Clay k Sagd Gravel lk �l' Fine 0.125 0.250 1 1 4 80 J C bble 30J der n Bedrock� QC�� Medium 0.25 0.50 1 1 5 S Coarse 0.5 1.0 4 4 9 70 Very Coarse 1.0 2.0 9 > 60 Very Fine 2.0 2.8 9 g 50 Very Fine 2.8 4.0 9 E 40 Fine 4.0 5.6 9 w 30 Fine 5.6 8.0 9 2 ,..p Medium 8.0 11.0 9 a 20 60' Medium 11.0 16.0 6 6 15 10 -• Coarse 16.0 22.6 7 7 22 0 • Coarse 22.6 32 10 10 32 0.01 0.1 1 10 100 1000 10000 Very Coarse 32 45 19 19 51 Particle Class Size(mm) Very Coarse 45 64 17 17 68 tmvo-w/zozo Small 64 90 14 14 82 �`• (<, Small 90 128 11 11 93 LCP Large 128 180 3 3 96 Large 180 256 1 1 97 Sandy Branch R2,Cross-Section 3 Small 256 362 3 3 100 Individual Class Percent 100 Small 362 512 100 90 Medium 512 1024 100 80 Large/Very Large 1024 2048 100 BEDROCK Bedrock 2048 >2048 100 5, 70 w Total 100 100 100 y 60 a t2 50 Cross-Section 3 i0 u 40 Channel materials(mm) D16= 16.81 v 30 D35= 33.77 'v 20 E 10 Dsa= 44.2 ■ — — ■ 1 1 1 1 1 1111111 I 1 ■ _ ■ D95= 160.7 pco'1' y1`5 Otis Oy 'v ti 1Lb P 4° 4z 'c ,yo��b ,�'1' Ph (ob cO 46 1$O <o 41',1ti o1b oDW Ooi' o• o• ti ti o< Dim- 362.0 Particle Class Size(mm) NYO-09/zozo Reachwide and Cross-Section Pebble Count Plots Sandy Branch Mitigation Site DMS Project No.100060 Monitoring Year 0-2021 Sandy Branch R2,Cross-Section 5 Diameter(mm) Summary Particle Class Riffle 100-Count Class Percent Sandy Branch R2,Cross-Section 5 min max Percentage Cumulative Pebble Count Particle Distribution SILT/CLAY Silt/Clay 0.000 0.062 6 6 6 100 ,E ; .• • • • • Very fine 0.062 0.125 6 90 Silt/Clay k �Sand Gravel lk Fine 0.125 0.250 9 9 15 80 obble 30J der n Bedrock� QC�� Medium 0.25 0.50 15 S Coarse 0.5 1.0 1 1 16 70 Very Coarse 1.0 2.0 16 > 60 Very Fine 2.0 2.8 16 g 50 Very Fine 2.8 4.0 16 E 40 Fine 4.0 5.6 2 2 18 Y w 30 Fine 5.6 8.0 2 2 20 u ,..p Medium 8.0 11.0 4 4 24 a 20 , 60' Medium 11.0 16.0 6 6 30 10 / Coarse 16.0 22.6 11 11 41 0 ••-� --��� Coarse 22.6 32 13 13 54 0.01 0.1 1 10 100 1000 10000 Very Coarse 32 45 15 15 69 Particle Class Size(mm) Very Coarse 45 64 11 11 80 tmv0-09/2020 Small 64 90 6 6 86 �`• (<, Small 90 128 8 8 94 LCP Large 128 180 4 4 98 Large 180 256 98 Sandy Branch R2,Cross-Section 5 Small 256 362 2 2 100 Individual Class Percent 100 69, Small 362 512 100 90 Medium 512 1024 100 80 Large/Very Large 1024 2048 100 BEDROCK Bedrock 2048 >2048 100 5, 70 w Total 100 100 100 y 60 a Li 50 Cross-Section 5 i0 u 40 Channel materials(mm) D16= 1.00 v 30 D35= 18.72 20 v E 10 D50= 28.8 D84= 80.3 0 I III 11 I I 1 � 1 . I I I ' I 1 1 1 1 1 1 1. 1 D95= 139.4 p<0'L tiye o t' oy ti ti tiro a 5° 4, yti yo�1,b „Dti ah (ob cO 4.6 1$O ��o 41ti t1ti o`b oDW Oct o• o• ti ti 0 Dim- 362.0 Particle Class Size(mm) NYO 09/2020 Reachwide and Cross-Section Pebble Count Plots Sandy Branch Mitigation Site DMS Project No.100060 Monitoring Year 0-2021 UT1,Cross-Section 7 Diameter(mm) Summary Particle Class Riffle 100-Count Class Percent UT1,Cross-Section 7 min max Percentage Cumulative Pebble Count Particle Distribution SILT/CLAY Silt/Clay 0.000 0.062 3 3 3 100 .„(— -).1..^, j • • • • • Very fine 0.062 0.125 3 90 Silt/Clay Sand Gravel lk Fine 0.125 0.250 3 3 6 J Cobble 30J der I` 80 Bedrock_ Q$C) Medium 0.25 0.50 6 S Coarse 0.5 1.0 1 1 7 70 Very Coarse 1.0 2.0 7 > 60 Very Fine 2.0 2.8 7 g 50 Very Fine 2.8 4.0 7 E 40 Fine 4.0 5.6 5 5 12 Y w 30 Fine 5.6 8.0 6 6 18 1-2.40, Medium 8.0 11.0 5 5 23 a 20 GQ.P Medium 11.0 16.0 7 7 30 10 • + • • Coarse 16.0 22.6 9 9 39 0 �•�• Coarse 22.6 32 9 9 48 0.01 0.1 1 10 100 1000 10000 Very Coarse 32 45 18 18 66 Particle Class Size(mm) Very Coarse 45 64 13 13 79 tmv0-09/2020 Small 64 90 10 10 89 '''\(<, Small 90 128 1 1 90 00.'' Large 128 180 5 5 95 Large 180 256 5 5 100 UT1,Cross-Section 7 Small 256 362 100 Individual Class Percent 100 Small 362 512 100 90 Medium 512 1024 100 80 Large/Very Large 1024 2048 100 BEDROCK Bedrock 2048 >2048 100 5, 70 w Total 100 100 100 y 60 a Li 50 Cross-Section 7 i0 u 40 Channel materials(mm) D16= 7.10 v 30 D35= 19.38 '1320 D50= 33.2 E 10 D54= 75.9 0 • • — � • � � • � ' � ', 1 � ' � — • • D95= 180.0 pcoti 4,,0,15 Oy v ti ,Lb P ��0 4z y1 ,yo��b 0;1, Ph (ob cO 1,L'b , o 41',1ti orb 00i' o• o• ti le Dire= 256.0 Particle Class Size(mm) NYO 09/2020 Reachwide and Cross-Section Pebble Count Plots Sandy Branch Mitigation Site DMS Project No.100060 Monitoring Year 0-2021 UT2,Cross-Section 8 Diameter(mm) Summary Particle Class Riffle 100-Count Class Percent UT2,Cross-Section 8 min max Percentage Cumulative Pebble Count Particle Distribution SILT/CLAY Silt/Clay 0.000 0.062 6 6 6 100 ,,,(— ).1., l • • • • Silt/Clay Sandi 1< �Ik i1 Very fine 0.062 0.125 6 9pravel �( �I' Fine 0.125 0.250 6 80 Co ble 30J der n Bedrock� Q$C) Medium 0.25 0.50 4 4 10 S 70 Coarse 0.5 1.0 10 Very Coarse 1.0 2.0 3 3 13 > 60 Very Fine 2.0 2.8 13 g 50 Very Fine 2.8 4.0 13 E 40 Fine 4.0 5.6 13 u w 30 Fine 5.6 8.0 1 1 14 u ,..p Medium 8.0 11.0 1 1 15 a 20 GQ.P Medium 11.0 16.0 5 5 20 10 ....• •�• • • • • •� Coarse 16.0 22.6 5 5 25 0 Coarse 22.6 32 5 5 30 0.01 0.1 1 10 100 1000 10000 Very Coarse 32 45 18 18 48 Particle Class Size(mm) Very Coarse 45 64 15 15 63 tmvo-w/zozo Small 64 90 14 14 77 '''\(<, Small 90 128 11 11 88 0LP Large 128 180 7 7 95 Large 180 256 4 4 99 UT2,Cross-Section 8 Small 256 362 1 1 100 Individual Class Percent 100 Small 362 512 100 90 Medium 512 1024 100 80 Large/Very Large 1024 2048 100 BEDROCK Bedrock 2048 >2048 100 5, 70 w Total 100 100 100 y 60 0 t2 50 Cross-Section 8 i0 u 40 Channel materials(mm) D16= 11.86 v 30 D35= 35.18 '1320 E 10 Dsa= 47.2 I I 1 ■ D84= 112.6 0 El 1 1 ■ 1 1 • 1 1 1 1 • 1 • 1 • 1 D95= 180.0 pco'1' y1`5 Otis Oy 'v ti 1Lb P 4° 4z 'c ,yo��b ,�'1' Ph (ob cO 46 1$O <o 41',1ti o1b oOW Ooi' o• o• ti ti o< Dim- 362.0 Particle Class Size(mm) NYO-09/zozo APPENDIX 5. Record Drawings • tin Sandy BMitigation Site z . , ai li�z -tE: Cape Fear River Basin 03030003 ° 3 Chatllarn County, North. Carolina .i Ei ‹,. � . ,.F-; ' NgiUgcsliu3. Sheet Index Title Sheet (1,1 r� - Froject Overview 0,2 -- L;i1 - [ ;araeral Hates and Symbols 0.3 oN - & Stream Pian and ['ruffle 1.01-1.09 '''rtt Mlocie Rd CS s. Planting Fables 2,0 �. - G yr r Planting Plan 2.01 :� 0 Fencing Plan Overview 3. O U Project Penning Plan 3.1-3,2 +� i. SiteIl b•O or"" ` 10 41 iiii. PO A viLtriity rtn a Project Directory .. Not to Stale CERTIFICATE OFSLIRVEY Engineering! Owner v mu As UIU'I' AND,. Wildlands Engineering,Int. Attentitlrr Jeremiah [)ow RECORD DRAWINGS License No.F-083I NCDEQ Diviiott of I,VIA MTLYW.WELLS,CERTIFY Ti1ATTHE GROUND TOPOGRAPHIC SURVEY FOR THIS PROTECT WIS4O .PEU MEt APRIL 2021 312 West MilIbr�' kRoad Mitigation Services g LINER NIY DIRECT SUPEPV155ON rebid AN ACT 'AL 5UpvEY MADE UNDERW! DIRECTSUPEAM$ION,T}IAT THE Suite 225 Raleigh,NC 27.99 RECORD DRAWINGS URE IE PAIPAREU6Y WILDLAPIDS OTOINEEPIIN ,RIC;Mew bi61TALFILESAHDCONTOUROATA �Hi �' 1 $ � 2 PROVID[nRYSUMMiTpESIGNANDEHGINEEFIHGSERVICES,PtLCAS.SHUWtrONAN•,LSeUILTSURVE3'aF S .5 . (CI N4fR1J TICNI War NEWT Fr R SAHIW RR&NCW SI.iLtMTr fEE 1f:H ARChAr.'r A mum,.SEAE.EO OECEM.EEF IOW John Hutt!,Il,Project Manner -lijv..' t 2DD;THATTH15SURVEYWASPERFORMEDATTHESS%COlNFIDENCEIEVELTOME(TTHEFEDERALSEOGRAPHIC G Turrner,PE Proect Engineer 1 DATACOMMETFEESTAMDARDS;RiATTHISSURVEYWASPERFORMEDIDMEETTHEREgI,IIIIEMErTTSFORA F - TOPOGRAPHIC SURVEY TO THE ACCURACY OF CLASS AHORLTONTIL AND CLASSIC VERTICALWHEFlEAPpUCARLE; 919,851.99 I � - THAP THE ORIGINAL DATA WAS OBTAIN 9 ETWEEi1 THE OATES OF 10/13/7U70 AND 11fD /2D1SF,TIIAT CIE Stream Origins y I (ONIONS SHOWN A5 BR EEN[Au gAY HOT FAEUIHE SWOP Surveying! ![ t BAEEDON NADA![N5R420111ANDALL ELEVATJUNSAlA D SECON MAVD89;THAITHIS MAP MEETSTRE =_ E S,PEciFICATION$FOR TOPOGRAPHICSLIFIVE's S STATED IN TIRE 21„CHAPTER 34,SE€T14M.Sfidfi;.-niR THI$MAP Surrunit design and Engineering Services,PLLC 3 5 WAS NOT PREPARED 1114 RD&NCEWRH&S.d730 AS AMENDED Ann 6pES NOT'pE9kE5EFF1 ANi o IDEAL Stream Latitude LorL'Rude 5U°}�vlead wland Drive F BOUNDARY SURVEY.WITNESS Ulf 'pEGIHALSIGNATURE.REGISTRATION NUI.1FEA,AND SEAL TH15 Z4 DAVOF � MUItCII.20.2E Sanely Branch N35°3E'45.69" b4'79° '16.26" Hillsborough,lsborough, MC 27278 UT1 N35°3E'3B.21" 1,'79°2.1''12-95" ' w� N,� �raTltly Ulrells, f la^ D i IVff, 18 €}78 .g 1 5 t* IfP2 N:15°3R'2I,.F41" ur74°7a'1f..16" l9.732 3$S3 1 1 0 EitvIS ID Nu. 100060 i SUMMIT DE RFND E'l I#IEERIMGSERYICES,PLLC P3339 = 5t L DE {intracl)!11Q-� ` 7 li L-4.544 : USACE Action 1D No.SAW-2013-0110 z ` .rEY,'�I1 ,c�° • All _ J\ • 7 - - - -- )AREIl•1 YLEOLDHAM Cl P4 1 PFHiI 86$8E�7d490d.�! - { PAA{Fl ICId 8 1[ I I .• # AB.19T9-562 I �1E =P.B.929-56 gy s' .- IOIiN L FESMIRE ET AL - _ - — - - - - t _ - - 1-7 2 2. Pm 86B80C1590M4 I - - - - - - - - - -- - - _ - — _ - r•I FARM.Ina g$ I • — — D_B.2.13p4151 I M P.6_2002441 - I ,ul I!rlrr I\ - I +� I r Ca II z. I �K w %.-- '8 .. ,,,, I I It BEEi71 E.M009E& 4UANN;MOORE1{1H143O1.1 TRUSTEE PM B69900502275 PARCEL 10N$.1]4$ WILL BOOK El 3Z.13&7-0 D.E.\ \ / -59 1 P.B.260 2-441 � +}� lIIME5&E)L3MNA EMERSjJM " PiMtt 6600rJ317'6378 AEON UT!LR.ESTORAT MN' IDPk L IdR ensiti�ww7 1' _ $ 4.6.317-no a - I - REACH 7fhNTrAMAlfrOsl� +II , I +R'fASE�lEN1 Eh1AK 6 a� }j��� a5— - „ n—, TM 122.70 T REArCSI1 v CI ANLW — _ Fx6 u17(hE3Tau111bn1 D fxl�lfl YfA T42+A3 t'N W Eni EI-iEtiT dV..ou! WW1 RRAlk7! iT C .- f j ei \_-----1 REACH 1 I.-,.. --11 \ . ft • 'PPP. i 1 .z. _ 01 1.014 li a >~am¢` d J a r 0 _.---r" -1--, ,-.70 rJ -1.-' _ ' 84411LIgarE5E4RAPNl- id r [ i Ionl3 _y 0 S I\ !A---.""r 1,03 TIN-- iii., lip_ µ1y. 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ENistinglom,kw I — DasipnRestorationReeeh hs-&urlt5'Mayor[ontottr 1-1-1 a. 4 y 3 tr ... fyiiting Top al Bank Design Bankfullfsap of Bank _ As.Suilt 1'Mirsor{antor/ -T ExIstlrte Edge of Pavement S214------- Datiljn 5'MsF6rant6rte O.13 > >-8{rois 54rtian- • - ExistirLB Fence ••-- Design 1'MlnerC3ntaur 0 0 O AS•$UIIR Perrrr` M •w� Dr,Ygn Fence. L4—L06—LOG— 0— Limits of G rx � IA ExIstrrte EvaereenTree• t ' F4 E orslga Riffle li P❑PM Photo POW. ' ham# I- •••' N �J+hJ. n�r Existing GCtidvaui Trer. ig.S Design Log 1 3-1opk {DWG illy Ground water Ga-ace F Eosting 6pihcal Finer Marker D�esignGoultierSill l [G 111 Crest ,auea a - 'r" t531s Existing Wetland r y Design/ogled toe 5.1 • f ExlstlneBeOrcck Gesign 4unkcr IA; ti f'an Vegetat on Plot r GeMiMr1 Lug Vane VE{i IOesiR1 LuokerStrutnnt • {' As•Bult Riffle i? ❑ As-BolR log i-Kw& O r o L) c. 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STA.1 s oRaTton� STb 1 41-wo-•6o - _ -- ROULDER7OE Su95TITUTED ,p FofLQ vAtlEdufTO } �p••r •• •• 4, \ ELE1+dT1ON OF 7(I5T,HFt . f- J I# ' BEDROCK O FI6ER J J . i IRI ' .e._._._.,_.7.,_._._.,,7,-....„,..._„„...___....."........0(., • • F - `'49 +}v - L O�104 :kt'G 3 a. - ,i a a u �� 1 '� 441 . _- 3i. aY aL .L y i NOTES: f . .� II . • trf i. DEViA714H5 FROM THE DES! !1'oiLL6E {f S}iraww ur R60. f4;� k f ! 2. AS.BUILT 14 FORMATPDIx FOR FENCING IS ! ` >' - ADORESSEO ON SHEETS3.1 AND3.2. • - # A .� Ad A. A A t .r a .Y i = I ,- 1 y w 2.i X :a ac ca a:`- ANI: 2 b ,7_ asN n Y 675 I I I I 475 I I ' I A4�{� NI T•I a. — CiESiGHGRiOE ; - I - ' Y �'tl I. — - - I 6 I { 1 4, -• , { ,r.rim-7,509'' ... ,- ._ 470 � � r x fr rr{{ _ {10 ',II '— — ... l* f x NI r ~.x f{ z lllallry�, id I ii.".--Nk-, • f SSSLLLFFFiii Al - 11 A 8LIJLT GRADE I .rt�ip.l�l ` I I I 495 -- I - _mmiri:Hm :, . . 1_ 1 Mill - . ,5 • {84 I e F I _ I 460ea iO4+25 1(A.h5g t05+0p 106+30 1U9+00 1087.50 147710 107450 196*O3 08150 ID w a Mrs W� sV as ,a ,Y, ba W al, yc tt u id E — � SANDY €3f ANCH i '� '` I — Lr, I T r 10 ROCX OUiCBOR 3 �- a _ _ r ... +•! • mac. 045.—w--- __.- PP 0- .' tetra}�C } tura. U • ter.. 4. �r1 • ,3 • `- '.�'• •_ + •� ter.• .. 4. _ iS _� ice'• • -. - -• �' f. y * I. i• h--1 •• •Tr. 16: ` •'• - G PP NI #�:- fi. /a. l ~~ . PO... .. J ; - Zt#: - ._ _ ! l of P aS i • sIir. �r r ,� WL {.. fP „Jane �. +o a _- . I _ sac LO6L44L06 ak Al.a t t4J} �J —LOB F+� {Qa �� { A, sia AL abc aa. fa J — U r 1 'gib a. / cp NOYES: I to.I.i, 6, A .Y ak a4 AL a4 W W .,. .yIa. DEVIATIONS I !Y THE DESIGN WILL 8E r 473 J n r�--{ SHOWN IN RED. ....8. ¢. N4 £ W . . A Ai IN i. 41. 4a 4 sYaI -_ • 2. AS-BUILT INFORMATION FQRfEI+CING I5 - --� ADDRESSED.ONSHEE35S.i.0.7.10.1.2_ . y ar, ,u a. 4, '4 r, ak ,i ar a.. - a. .,A, a. J.L. +4 Az •4 f a do a 93,1 r __ ._ -..._.,. In7\---12,, , . , , i 1A 0.41111 fRfYSVNf. , I I � ' A `d 'LEV: a 473.75 I ! r*"Y"' Z? d qI b ...MIMI' �75 rBe EV 411. Err�i5 ��= 2 a' ■■■■■■ ■■■■■■■■■■■■ ■■■■■■■■■■■■■■ �' .Z 1.4 4 F -, . ■■■■■■■ ■■ ■■■ ■ -..-. ------.�... ■■■■■■■ ■■■ .- ■■■ ■ -- • _ _ • z . ..42.6„,.: ip,_ 2 _ !!!II!I.■ ■� 11 E■ - - .;�+" - a iimiiiii...---"Ak III III-1011AI RN:467.56 , ! 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MATERIAL AVAILABWITr . : . ,.. • ... . ..!.., • . . ., , GOA- -- --"•-..P.) ..,,,,, - - : Y 1 i 5 y F�+ dG• X....„ ' Ike •t. \ail 4IC-A\ A IF 1\ Y • �• R rqa ti +�. -� I •' fir' ren t �•• by 01 i �y rS Q' Alas1a l- ENO SAWN BFLANC+1••• . i e.t f i rr, •• *fr Sr •. Y - ' ISEACI11 ER[STOMTION� tti � { % — - 1 �� .16 • 9E�IN 5ARDY WAN ` ti i{ {f 'J'+ ��' * _ REACH 2 NESTORATICIW) d6. j'' ...ri " I ' i t 'c 5 % `&3•J�57' MP PIPE ARCHSTA.11011 • a• / i 1r - • tiyy• 1 .�;I NV IN:A�T.$l ENO L1Tl PP Lr7 x . INVOL11-A67 .% REACJ12IRESTORATIO0 f 17-1 1 f fi 5TA.241+92 - �, ' 4 v 1-1 \:L -gt \ \ _i_:, S E • �' 1. CitraATION�SiFLoM THE DE5ICf1',WILL BE — ;57' ' r' 1 • c $H¢WH IN RED. P I f y;WG 5r, = 2. AS-BUILT INFORMA:ICIN FORLTI IS F 4 + '� " ; ° • 1 � ADDRESSED ON SH EE3 LBS. \ I VET q II • x �` —� y ll : l 2 ._■■■■■■111111..E,,III: ■■■ C el 2 da• E . • .m .• L k uF_�i ilit.311?"': '1 6 470 li — { — o€sd�n�xaEl� �—ass f 1 - IIIMIllir ill Milmal . -- Th _.IWJF I ■■• fr ff• „,wn ■� _7.111.111Pr ta5t-i" I I.iimmill II ri 460 ••••• • , 450 %44.vato ■�EINEM ■■■ 455 ■■ ��■ ■■■ 1 ;s¢ ■■ _r■ ■■■ -- 45.4 - ■■ ��■ ■■■ . , 1 1 1 45ct 113►00 113450 114+00 114R50 115+00 115450 116*04 116430 117-40 117+50 CI 4+ I ..viNG0 II - O V tw[ r vcG C 1 N\-4;,?,en .: ,..% 46 2 \.----- 1: o r 5�F`6 .6+ 1:1:1 • 3 ,..$ X MI y7:'' '3:''' . r % ,7��i777u. m . �r yae i .. ' a4 4' z r( 1.. i a 7 w ,L as ,r w m w / — —Y4 y -- ' '!,. a6} s.i}{S��g;a� Q 7 /0. : • .. RP 410 11 441 h. eir a x '� &ANDYBR1NC i r �jj a]Si ,n �,i I_—__il - 0. \` •• r 14G Ln0-L�0 I �•7,..... .. ...* * � • * i r ram., gil i ter_ S ' . ,.. _ -— -- ••• • TiGRT4 #� - +� 4' } 1 fi 11 re) W 04 .ib r .i. NOTES: ,. h. 0EVIkTI0N$FROM THE 13E06N VilL L y SH04YN IN REO. - 1 AL 5 }{it 2 k5-BU1LTWFORht4TiON FOA FENCING + f w+1 'li Y A�RESS€OONS�1EE753.1Rn63.2. 1 CP- -Th. w �� � ] - '�i J - • :1 -*' U' 2' 4' L. C 1a pro — — I l!'_1 • • zr TAR, II a' ,� fin}�' 3 - � n:i /3100 Z a 2 9' -i 1 I I 1 -0BS I �. �1 ip �. I �y` S INIF S ti f{ k \1 Ir r1� _ _ AS-9[11LTfafL46E m11l,, I --- I AS-MKT GRADE } f %1 ' 169 a �.' )4,s ?{ ' II- • 40 . .. ' ._ i ass J •.w Q i ' _il .. 1-52 ft 111450 _ 11E000 114+5l 11E1KO 119i50 124+00 120+50 171*00 121*$Q 122*00 0 UcIL .. rum]th. .±. zy- - 4... - ------_____ H.a� ar a a -� is jo I • 2 �'n II Al �ii �e J� f II pi} i f Hc) II .> vs{r T * is :,1, _ -~_;.. .� £ya SANDY6RAN I I 'anf "r • x \‘(1. .- �4' \Vi . '4. + __ •4 { ate ._. f' { i LOLD % T { PP Rl 121,C0. r k# ',. $ .1 '1 il / } �y SA4]19+58 }f Z? ANGLE 11t41 Silt i1J S1 FEUDED_Lop ts+ f y.6 3 I YPB FOR 2DuLDER Stu.0uE T{1 ' MATERIAL A 1LA1ILIr-' # NOTES: 11 VEC C D 0 1D0 • J 1 ORNAT1aMSFROM THE 0E5101 WILL RE 1� i 5Hpy,'p la flE0. -~�° Jr t i Ay9UILT INF'g1U.1AT16N FOR FEI+C�r+G 15 al2.i . w .. ADDIRESSEDOM SHEETS AND 3.2. „ - - - I - J 1 En 1I a e I , 1' _ - I Q MI .r BY 131 w] 4E5 I �_ +E = r 1..1V — I 4 _ ,� 450 ',. 1 /--- r--- �ESIGMGRACF k -- -f • �- - { %�� Jr �iuu.. ri RA AS•ELLIILTGDE ! '`" 456 ' -� - — 1 I *�r1Y 'n yd.4.-:..?tk:„ I _I I 456 L _ a50 418 I : _. . _- - 11 Ca 122M-DD 127 III 123103 1234.5D 124400 1211,511 125.61:10 125+5D 129+00 126+25 0 1• «ad ♦e W �. Q-r .A. A. A. J .4 . A ,L AY J. .L J. L A. a V+J W 1-. A. vt is 4 A. .a, A. A. # .k A. A. 4r 44 i. A. A. A. A. A. A. W W '7 1- \IN: '- w A. .4 .i ,l i .4 A. A. . .R 4. ,t a. . i. .L .4 W J. A. A. a. sid ,a '• A. A. ,..L.. m { A A. # # A A A i, . .4 AA A. A. a. ,A. A. W I Linj Y r .1... .I.. A. A. A. A. A. . W a, .L A. * A. A. # # A AA a. A. a ..1. A. A. A. .1. u. 1 a A 5 Q GWG 11 I yam'., U Q VI'la ,A A. A. A. .LC A. A. A. A. A. .! A. Lie A. A A. 4r , A. a. ,A. Ad 'a. ti: Ecy m A. A. A. A. AL Ad. y. ALa. # A. al. A. A. a m A. A. us a1 • '--I A. A. A. A. A. 3. a. A. ON .1. A. A. A. A. A. [ i rt 4. �ap.I' Ql__.. 42aI �I ,� I r '. yw - mar ao1 ~�' 27 SANDY BRANCH .. GAUGE b _ ,x-+- - • w:-._ { F Pi)is,A 'J 4a1...-D..' ili v. ; .-• / ' - '.01,. .-..... ___--- .0 rhi7 AC' '0._Its:•:',3; ' 41' ' +i - +• *3 '•T---+ P i£ N. # tee.. A ' si r* L. . � •y _..0 .ZE HaafaUT P % s l - - - adCx OUTCROP' 111.41. i ii al- 0 LO Ch—uce—Lou-----A. .---...-°<;13' -4 61 -• .... ,,lei:1311. 1 .rt U 1 1 C.-1 1144. 6 1- ti 3 1 ci 5 • 0 L. DEVIATIONS.c ROM THE'DESIGN WIILLEIE SHOWN IN RED_ 0 0 A. A. 0 2. AD'$Ui4r INFO 1iErrs FOR iEl4CIFFC�S � -I� 11) A6G9z5if66H$h�E1:'f31.1Arab3 _ I } # T - -- - - � t +mil II ' l 0.'"- --.- _ ____ _ 4„..„ _ 4., IT,. ,. ,,,, , iJ I y r I ■■■■■■ MOEN1121, - • - - - -- - - d' LR 40r Eff 11-- ■ M�■■Iiiii■■■ .. - - • ■ ■■■1 �Y { ■■ ■ ■•■■■•■ ■ ■■■ _ ■E■ 4611 ■■■ ■■■■ ■ ■I■ ■■■ 4„ 1111111 ■ AS9UILTGRAGE ■■ ■■i ■■.■■■■ _ ■■■■■■■.■. :t 1 n 1•05 i 1Mi1i1Ii1r1l-l V■■■■■■_.L....... .. ....... MINE■■ ■■■■■■■■■ ° ;i1 Li■ - E a ■■ 455 ,v f,4N'l,_,,.,.i.,..,i•,.,kArd.i.... 4551ILIIHhIIIiiHilNuuIIpunnIu::: E ,11.„rr I■■■■■ ■■ ■■■■E■■■■■ _ I•Iis .* 47 1■ _ ■ ■■ ■■■■MEIN 6E.MaR0.LIE ■E■_ I■■i■■ E■ rri . i iN■■■■■■■■■■■■ sm PRE-CONSTRUCTION GRADE E■ E. _ __ _1 -- - �9Q l 456 ■■■ ■■■■■ ■■■■■■.■■■ ■■■■■■■ ■.■■■■■■ - 446 ' •. . — ■_-. 126425 1264-50 127-4> 127+50 1284011 i y.50 1129*OE 1294,50 1.361•00 113G+50 U .- STA 12b*T4 •*.+GhE b. �O 6 P. ANGLED UK S,LL Su 1 T T1 EIS ram- SFIONNONZ EET1at T (7p FUR 6SrJLVtR L P y am" CFI • PPa15 #�_ ` _C ?-, _ ?j wd '' ..,�., . rt,r -_�_ =# SANDY 3RAN,CH L. riz C. r Cf1 r J `i •••4• �• x QUlC SANDY BRANCH 1 r • s x x - DO1 REACH 2{RE5TORATION� � t Y�' 'Y _ �.t.�■ END LFT2(RESiURATIC]NO ],,ii ( II re z p -0 $ '{ � • - .- Ti -/ %DUIDUTCRDP . ff f--f BOULDER 51L1 NOT INSTAU.EDDUE TO w _ - �� r1�r r` • 0 .1 REMOVAiOF DROP OVER POOL i. �� '!• ,`y t _ `•9 __, .' 1 • C_+j--) I--••-liel5 Tiol: ' -NI i e .. J Jl l'Z�a7�-i� ad! 'Y.�1.— .- c._ f 3 • - p3� DC 70E A4DEo 5a '� ~ JI_Z jj�� -"■'- EraosfiNESYaRANcr+ y " 4'w ;45 FOPo+ADDITIONAL BANK " "a -J REACH 2(RESTORATIQ?I) p �'' STJAILfTi a5' STA.1.29+dD 4 f. * I itSiA 12&.47 129+35 BRLIdNTCIESUBSTIMED :2 0 _I , * i -FOP Po4ADER TOE Mg rp ter'f ._.. y.,. s-l- -- MArERIALAYAILA3ILITY ` � _ 1.'d -, e NO,Ex CPa3L15 ! I 1. DEV ATFDNS FROM THE DESIGN MUM �_F ' SH0Wif IN RED, `' 2 A5-BUILT INFORMATION FON UT2 6 L i x p'P9 -A`� sal~ 4'= =d 2^ t ADDRESSED ON SHEET 1.09. 4; — - .�' I k' 3 AS-BUILT INFORMATION FOA FENCING IS 1 - _ 1 k L ADDRESSED 4�I SHEETS 3.1J4ND3.2. I. .' . ., '� _Y - _ • - 3r - •.-.• d L o yuP10w Y c. -66A . E I o• r .' s T Q p q w ab7 40' 60' 131 4 i 17'7. x r.9 Ix _I I-IQ L 7. 474 • - ". -.--. .....- .] Qa Cwl —_ {-PRE-DONSTRUCTION GwwE I f r 1.1 ' ig- A.r&LIJLTGR,41] AP 4E5 • zuo«w 200Haa 251.00 - 201.50 2)11 . -11 ! !7\ • • 6....c, • '\:\ V p E$ .lit\::- I {,`• it HFC NDUTJ[RESiORATIQNh • i0STA.2d1+92 ? { . STAJ44+84-1CI4.d9 ENDSAND.VORAI,ICH �' --C, _ ' ''I'I L.L. u. BOULDER TOE ADDED FOR /1140-11.[REriTORATJONh . •L ti fi 1 • . /... q�, AJPITIIONA-1 LAN 5TA6IUT+' 'BEGIN SANDVEHM CH r + r { O � cH z1ITESraRAnonh ti I # , rd 9FGINLITI(RE A OO+Gl 51A 1WO1 i L i I' I fiWGfi r ...i . • +;� ► ice• {{` ' _: r �+ Y t � F. . ,y`;- `{147. �."1 Y ET ! •�'_ rValli. f 1" I +1+ 1' ff '++. * ��• ti 241-L4]r. Jf ' i. L.1 VFW + I j • '�'1t'ly/�- ETA 40.63 . } re' F'V?7 y + f` + ili '� . + ANGLED LOG SILL SLI STITLIT#D y vI i" .ai 0147..15 '. FOR BOULwERFILL Dili TO '•GL44,5/ / / - • ' • 4�- 5`• MATERIAL AVAILABILITY + I� 29'K4#'CMPALPEJIRC3i `?f~ { rCtirSal f� �If}. 4 4.70� r'u• a. NV GUT:45.9.iR "'j g l j.Y � r •lit• }1Ir I, # 4CY E�SEiN f FlT BREAK i 7/ f 1 ' SANDY BRANCH k f .• -- j p r r IiEAC7k 1 \ • 2 `° W STA.3P9ad1 '� • r - / �y •r} f ;• kill rri . I 7: ::.:77-7:::::::::-4'.. - !:':.;:.:..:'. 17. . .. . r..2:..77.2:- '-'Cr • - co TIQ►[5: f 44'EA341.1ENX61lf_N{ o c, r! _ _� , 1. MIAI.TIC1h15 FROM ENE DESIGN ik'ILL EE - S{I I#QY BRAkCFL i 41"X P PIPE AACFi --`-E--Cr " 11I W►I IN RED. r RE:dC111I INV III;457.81 {r ` ' ::' All''''' 1 III d 2 Af 9U 1LT INFORMATION;OP SANDY 9AAH[H f # IHY OUT;d57,56 eE + " • LOD IU I}z _ IS.ADORES$EO ON$HEE7$l.41 THA4UGIi 1,�T, ffr STA.SC"8+61 c } CI' tr i ld•]�LOQ_J I i it 3 AS-SLULT INFORMATION FOR FENCING IS 3 . • _ A I.0 E55EO ON SHEETS 3.1 AND 3 1. 5 r {I t" --I d e�� ,2-, ti 1 •ir.I kr M174YF 1.4-I 0 .� gi m - �. u Y 2. Z 0-4: -0 hi z YY I ,- z f C Sit - - .4 . .�" — —'-- Y --- — •- .. _ /DESIGN GRADE Ni-,,,,, • Re{ONSfRUCTKIN GRADE 4 rf _ ' �q'"+ --,---V'FI 1 '',. hi +N I 1_ ►G.DIU LT GRADE} I a55 I --i--— . — $. • 4-13/4i.irilic7 d1511[ I i .- 90 306t50 311-1 34ir5G 3(12+0:1 942+58 3•,..... ,:,d2+ 3 • 41,f rr ¢ k}{`.-.. N... } ` ...... _ ..:. , l1F •,.,_. • ,., � • �reVl 5•. Aa L �l a4. . . . . . AL INI. IL AO • .I.L •• �4 a� — 1. • IF 11/P id • 11 0 0 0 O k �'f •..1.0 11� ill; y} •4• F L F ��_ - 1 /� ail i� a� }.fY 1•-1 • I c r $ çm A6CIL ULI7OIOP ; ' _ L+ w 0 . ( UT 3. ]I A SL12y-¢!e y 1I ROCK FLCIOQWAIN 4k1T1F-f ,' )ECa1Fi4f2[ 1R+�T10MM MQEQ Q Jf TOOBSElL4E6 f ] + 1 • PRyt& 4.01 05.AfiDRQ'44+ • I, 041 �^ ,� .0 I L] G . ..0 _ f ENDUT2IRESTDRATIONI e5 C + 1 + • --. r + y'• `--. ) } A�`•-' . • w STA.302/93 n O IL 6 .� • " +;'4 + { 1. REACH 2{RESEORAFIDM� ira , , .,� t •�� 1s ' '�.:. t \ I SFA.127+i0 �P ice, U: .. \ *Jr-'•. iVPlO %• p •r a gy,�pp. , it +t . 1 - - {1 ]P!i4 4 '� irt— n 1 - - ` IH 'i rs (0L i OD eZ • • , ': 11 I + mo . y t f 'R� ti '• d - - _ 2 - j 4 x END SAW'BRANCH I .-. R 7 � - REACH 2{RESTORATION" ' NU ES: x7+1. a .. M1 4- ,. , .TA,121140 S NI .. 1. DfViPT[ON5 FROM THE OE5 Gf}1MILL BE ' • E SHOWN IN RED. 4. " 1 2. AS-BUILT INFORMATION FOR SANDYSAiki£N 4. 2 IS ADDRESSED ON SHEETS 1.01 THROUGH 1.07 .- 9 3 AS-BUILTtNFORFAA11ONFORTEHCINGIS 2 J. EIS f ADVRE55EDQN SHEETS 3.1 AND 3 2. - i I I [one 1-Suaam4ank Plenl;nglun r Strambank Planting Pone #'errr1en611# RiOerian Soiling I 'a flue Stakes Pure trove Seed{113 rbslaarel C� � Atok _ { k ' 2ene2-Buller Plenting2arre ' z Pac1�s G#nm4n N,me Spacing Mtn.Sate Slrak�+m �,e f Stems ADP Mond Dates Spades Name Comrrpm Name Si alum (�tlsfatrea Percentage v .4£ .I 1 Sahx rabrre Black 1hSlkrw d,5-1.5'Cal, Shun 15�( Ai Year Pinourn ngir rn' Flaarap PrIrkgra99 �+-'`.- ei 1.¢ Mi. _ _ _ I�me#-VJe7land Planking�on2 u Con'os SO k arm rnpm�Lna Y 6 r xk 0.8.-1.8-Ge. SIYi r 25% 88Y5ar ha2lraFr.vlF FiNer lash Hai ti Weeils ao 19% SaGr sericea Silty Wakve 4,,�, p.4'•i$'pl. -- 5N-64 30% AIY Year ki+7becrta Prate- B13c ed il Sna Herbecaga 1.15 5% I cephalenhus 8ullonhuih , O 5 4,3'c Shrub 15% All'Veer r` °c�Asra l��celeai I Note.Darr natdred areas,Mrt#lln the ta.rser+rakion 4afCm2nk are r,F1 rr yeys J, alah HX6acex 1.0 5Ya lay?vegetaledandwereplankehasneededkaadllevc l. }' - +}.;t'-1.5'caX sin 15s,L - earg printed according lG 5 hullo 3.03.01serwuan aaic�nhe i.�� r.s EAi Ihll Year Carer wiipoMa F9ar$a d9q Herh5c9ws 38 15Yr wai ir]G+Ir All Year Ca ea MAN Lurid Sedge HerUecaa,s 1.0 5% eLS I'2 4 All Yav 'n°"�rR' aeerlan.la I-19r6a[ 5 3.1 IS% i,,-i ,' HerbaceoUUS s' clond=hirsun +$� dem^oselw�ana Fanmon Meal 1 1.0--Ler repo Herbsce l ayA, AA Year €J)arwt wrgiraiCYrs tilrgjria Vial Rya Hi r�000ic 3-0 15}G y r + Core'e+'9Ss �raert9ryle Sedge UI-2.0-Ptip I-lerbarAc s. 2IPAr. Crnerrrrrrecrtaa -J An Year ratacrciNar9raer PanrMpePee Herbaceous 1.1:1 5% Pxn;rirra hsci,� fa vv�t;artA � d•_� i.q'-3-o-'Pl# k#ertacrans 2p7¢ - ��� I d+pLLS lisa I All Yrry SwWr�F,Milkweed Mr/mews 0.2 1% cypinnus W4dQrasa 11,U'-2,9'I�lJ9 li4r�r l{5 l0�'. All Year dw?w elYraaua GI1 Rumor Flar6aceulla 2.0 10'16 Carex?arils Lrrid&Dagp I l.IT-20'pNg Herpaee met 20rrb Al Year AiQgn5 ari5r4&a &1r Marlgioitl }re rtia¢abu5 Oil 4% 181011 Al Year angrrurrifpGllx SaainhSL 1110..Lr 146rb3^.amms 14.1 5% .. Buffer Planting Zone I ~ asreRonrs Temporary Seeding I MIN-SF9SI4FT'Gammen Noma Spacing l IF,Caliper 0lralum I n&Stamm Size Pula Live. 'iR.TllG Phall'u WMIYNCak F 12 R 8-sE-1,o' C GrlapV I9% Appwwmd $peC1L+4 liSrrY4 CommoniN1174 Stirs tuna plaFenree -1 - t?ata�G I �lkhsrscre) acacierrdeha Syr_a S-12 FL 4.25' ,d- Canopy 20% .ro ro Aug 15-Max 1 & aale caramelCa Rya Green H ura eAheoe 1a0 Soma Agra River Bich 6.18iL 02e•-1•�' oP1 20% May1-Auce15 Sciaria,':1:ra ! GermanMlleir I11tIaeous 54 m I � $kempaminitOak i-12L 025r.ii es .-1nichn .fl'J Canopy 1514 r 4uec7.130 'y WtrrerOnk 12t 11.25'-1A 1 aarwpy 8% - - -- • - Z Anernownea ocelrier 5-121L 0,27.11,0- I sr ,�uiru a% Permanent Seeding Outside Easement d.rhnrrr rubs Ellppery Elm 13-121L 025'4_o• ropy 4% 7r1 En u ApAre4ed Species Name Common Hama Stratum Density Percentage Fr Slrarnardtlgh 1-121t . r}.25--IA' I ianppy 11% Elates ;Ibs?acra) --II attat.prota--- 1I' % Pill Year - ardaa neoea I WI}4iGW K9r89S 904 1G !4'i H Ai Year Fsarcrea!titles Craaliug Rod Fescue lkrbncea.s A0 10% - AA Taal- 1:1414 'A2'Abrrrera59 a/alartlgrees Herheceorss 40 MI% i„J r-i `-R i --- - - - - - - - Floodplain and Wetland Planting Zone ion% Bare Ha ON 3 ' -- - - - , Cali Species Common Name Sp I�ng Min. txe Per St atum #of Stems .5 tR Acan'.a regrp Riour Birch {-12 IL 025'-1.0' Canopy X.% tt Quercuspagioda cherrybark i k _ 4-12IL d.25-LA' callow 10% CI] `4 PAI erx s 4i.rt+defrtAa`e sycei1ire &.12 n. 0.75'-1.1T Canopy WI Oiser{Jr3 Swamp CheebiLAc r 8-12R d25'-1,0' Canopy 15% IE rrrrherrrir ;Taft rslg.a Oki&Wdliwr 1r12iL 1 25'-1.7 rrapY 5% t 4e1e..C1rarphagat lh9kwOak $42r1. 825'-1.Cr Ca!ropy 1tli% j C rebut Harm Water Oak 8-12 R 0.25',1.cr Garlcp'I 5% Ceitieladtelgole Sugarterry 6-1211. o25-1.t1' Gimpy 5% ACM relyarlde eexNd!# a2 h. 0 5'-1.7 S, nape 55: rJrnws riudra elder Elm L n %1.a' Cla-12 VI. Q25`-1.IT ClOC*I 5% *xydn'ara 3 I.21 ii 21 i :i P 1 ZBn+1-5Ul8R5hllnk Milling 1Qnr a SINK 2.Buffer Conlin Zee eN'''''''-,. t I e "} M{ -_-_- • Zane 3-Welland Plantirr�g3arm — — - - - - — - - i..i'r 3 n gate'N411-hatched areas wiChlrl the[Ard.erWrikn easenscnt arq currently vegetated and went pealed as rcc Cdcd to I i mill iryr+ athiewc Carpet density-Th■rernamde*uithetonserr,atran I -N eascrncn#was planted accardingm Sheets 7 I.G1. I - _ - II i \ \ - -- -._ -_,__ _ - -�{ - _-J II i-e. +; w j J r } I rd CG U1 twit g4Ai`1 � _-_- Ce 0 5A _ — - - - -_ C I . _ -__- ExolsilNG G :— :—;— — — — — — -- — — - - - - +- -- NAROI+��oa rANIOPY IN ig \ 11\1_ .._ .. . i.0 _ . V - -• #4,--wAti 4. 03 .-ererotv 0,00so, '. . A\--- - -_-,- - - -_ - - - - - - r ip -r.,414,e, -::- - - - _ { D I} - - - - - - - - - - - E cr—to / ea �A Y MCL r __- - - f _ - - -- _ _. - ?4MSt4 cisr U 4 ctpY ` _47 a _ _ -tr 4110 WI' 46 il \ Fr I U \ \ _ _ . _ _ _ 5. r i r { '. r1 1r � 4 CD z I I i l I It _ e N,QbiW Lw4S.. �� o + r va IZ S-6LIILT WI:WM WiR[PENCE I _ A t l as auuT 12 TUBE sr�El GATF T - —— — — - - I �•_: g IYrI 0.61. NL r y..,4 , \ \ I NIa \ ' ' ) _____ _ _ to a + ° i 1 ee • . • 211: . I a I:, .. . ,,....„0.toi 5_ _.A.,__._._ticrtf, ..„...7.-_,::;----._,7-.-,.._ • i- - *) I f/ 1 ,_o LIB •- 03 0,-1 fldl - ;,57 ter} f •' V . { o� °4 • �o — CP - , a✓ n r. CD r • .5 t Do e. t - - . IL CFI ut4 L L S ..., V i': \ \ Si S ? } f — S 7. I xiI ,vim zap z L 1l d r. _ _ to , . A • AS-BUILT WOVE 11 WIRE Fr NC 4 . •, 0 a Zr1 .:411 tln: 1;r2 ,--, As-poi T 5 T'TURF STEEL GATE =i'w !2 12'STER GATE I 111 • _,,_.__,...,: ..,_..L--• .J. 1:11.::2'' ' ; WOVEN WIRE FENCE I. ..------ • • . .. WNSERVAT101.1 6%3011E10 : 0-...• -__t_{,kis iar- 't-A A. 1. VI ‘t,ke 1..11 ,d4Z- .N:"..ij - 4. 2•Ud IV I -, 4... 1 . . . 4-I . I• It' • t2'FTEEL.GATE .--1 „.LlilY11...0 I Iti . .. ..../ ...r ..00°....." 11 1 ....%`•C: / • l•— Ir r, It'l 12`5rEELGAIE-\\ 6' T ..Q.J. /- -•--•- -.•' LU 41.1 ..------ - . - - • .. ---- :4.' . . - . • . .1.2r STEEP_GATE • , 011ii -- 0 .. S4 A, LL, ''',iNr: • i—i-,_ ,.....--1:1-'41. ).' ..) (.......<0...- ilql'7---..% "Vk PASSAGE Ain 7.14131\ ••• -L- A - ------'-'-'-' . I = , _ "litiv u • 1- •.---- e(aft„„........ fc, - at 11)- • / L' '• // J - A wavi-ha ibiflf FE rioi __--. -,._ _, 45., .• -,'... '.. - .. 41121-- . \ 5;41/4 , - ., / / ' '' ''. Je •• rAY.,...... • --.• i • Eb.1 01A- .L. c .- .... IA I. a . k( =-,/ I/ ../ .____ A-----'-- raj (7 7: .•,,'1._ -1r i . . - •..... , a• am-La•-•, 111 '; • ' .----\-=as - al _ • , •..._- ----- .112, Ao : ..e ' --- -4'" Ffr/ _ ;';-' :.' •.. -- , . Cnc L.I ill 2'STEEL GATE ..--r•-•- • _,...... - . 12'STEEt GATE ADOEC-.., ilt . •; ). er. 61 i- 1Z nj ,..... 1:1.\\\NN.1:: _ 0:.:/.eX.-- .1 j ..-• .3TI•X .2,/ + cio.f'-.-1 •. 2 r --` i 0 ''• br. / X CONSERVATION EASEMENT ,.. .1 .,41, _-•- LETT-a-,...Tho - .. - '.i irEr tdi E ! ,. —EXIST!hIG FENCE ROME, oe i iIlL___ 1-L,!. . !. . -------- ••- - .---- 1.6 .-' ....."- § - \ A, ik: 7• -- -_7_7-7'-=7--- -- CO ..-,-,-.2-ciet-7...9Y•_____.... .) i ...; _.,...i.P5 VI • -,-. "-,_ ,,, — ,..• . _.-- • _-•-- --- _._._.--., .••••' _ --__ -__ .- _ .- i• >-. - ' e ,____ --____ -- .• .-1 cd „_:.--'-- •J '__. % ilk 1 .... si \rkli ... ra .. , _ e • I ........'4'.' . . 7 _. ..-e I / — ... •-----. 121TEEL GATE 1 I / .-- ..—'- • CIO.. 4).‘ er ... i Fr."• _... 4 • 11,.. r • ----- 1_,I'STEEL GATE 51 --Toli- - •. - 4 7 Ai ._------- .., . 1. ) 12 2.•-.-m-Ekgrin a•c". a._ - . r . - . .0... a Et -.----- ------- '1 '---- _.---•-• i 11 12 SIEEL GATE 1 -.--•-• .. -------- ------ _----- ,1.1; - -.--------- 1. DmAriahis.i-Ram THE PE slam iiior BE . Cn SICOKM IN FED. 11 1 2 p.s-IluiLT INFORMAII:Oti tOlg SANDY 13.WIcH. 7 iii. 00 170' LIT1 AND UTI ES ADDRUSED Cm sHan i.01 itigl _ THIGSJCP1 1(19. . %...-- - a 6 � � F.5-IEWLI SVCFVtN 1LrRc htKit r s OGhNELTEO TO E711.511NG FENCE Ilel:31N. 5 Y121.5. .g AS-BUILT! M2'iUBE57€FL GATE F ,aa 1 1- I w LrmfEEATE 41.... icy ' i• Yt if! il ]Y STEEE GATE 'MOWN WICRE FENCE -.—9=. i Wtel — JD n— si � 2}— ,_ , i �f ___ _. ..=__ _ ,_ - • aol leT. CONSERVATION EASWEENF 1„7) C # Emu = z lyir.e.........= ,. ARA tv f w �* CA _.6.-sr---‹. ,:,.. %. ' \ .., an-, Lu ''"--;:,,,..--: — -'''\., 0 7 ' ,„,---. 7-.....-- -:, -L---. ,i1 - ___.- :----.L70., • 44 I 1• , . _ ..5 i f Lod C+d _ h f II le --5 COLS _ k OOy REMOVE E'Q'a7N4G FENCE w I ____ ___{1;C..,.75....-/-:_..",z2 `L '-'. :',4..,,.,°,,.2°4,.7„. 7 ~ - - ti *� Wl77lr O]N9F1(7it7FQN ti r ti ly '• 1- _ FAar¢WHIT R 65' , 1 ! 1 ,1 / tot......,_,A4:5 ]i. r I i w -f I rG C. v._ , • \ bon--..... .. , \ t'i.---r,ri. ... L':". ........i .-• \\•<- ....-47 I ' 32'3TERGf+TE •, r• f_ wwee ..;:414-LOCI c . ,,r ,... ___ v. ot, . ____ . , , z , --- :. Fan,._.....„, r.'Ls -. ELfiATE_ •-• I !o 0 4 \ i1.1 12'STEEL GATE t, i 1 - m.CTED TO MOMS FENCE I LA a 1 18 1 r43 1 { e 1 I IDEVIAn4N5 F M 11.1E DESIGN MI BE 2 5NOWN IN MD. 2. ks1.1.1n1 I IIOR I TIDl4 POR 5Ai19'!EraMIr.4-1, VT1 AND UTZ11A4 £iS#OUwNE€751,41 a A* >i Pill MGM L . y