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Home My WebLink About20170785 Ver 2__SAW-2017-01325 XCLT Trail Modification Request-2019-04-09 B2T_20190409K'rmley>>> H�rn March 28, 2019 Mr. David Shaeffer Asheville Regulatory Field Office US Army Corps of Engineers 151 Patton Avenue, Room 208 Asheville, NC 28801-5006 Mr. Alan Johnson Division of Water Resources - Water Quality Regional Operations 610 East Center Drive, Suite 301 Mooresville, NC 28115 Re: Pre-Construction Notification (NWP 14 & 27) Modification Request Cross Charlotte Trail — Brandywine Road to Tyvola Road (B2T) (SAW-2017-01325 & DWR# 17-0785) Charlotte, Mecklenburg County, NC Dear Mr. Shaeffer and Mr. Johnson: On behalf of our client, The City of Charlotte, Engineering and Property Management (City or E&PM), Kimley-Horn (KH) is requesting a modification to the Pre-Construction Notification application submitted on June 22, 2017, for the above referenced project. As a result of adding an additional temporary ford crossing for construction access, 20 linear feet of temporary impacts are requested for Stream B(Briar Creek). The temporary low water ford crossing will use rip-rap material along the base, as well as the ramps along the banks. The temporary low water ford crossing will be constructed in such a manner to allow for aquatic passage over the rip-rap material within the channel. Temporary impacts have been minimized to the greatest extent practicable in order to meet the needs of the project. The additional temporary low water ford crossing does not pose adverse alterations to the existing channel bed. Following completion of the project, all disturbed areas will be returned to preconstruction conditions. Banks will be stabilized by installing coir fiber matting, as well as implementing a planting plan which will include the appropriate temporary and permanent seed mixes, live stakes and bare root plantings. The following information is included as part of this modification request: • Project Summary Sheet • Pre-Construction Notification Form • Figure 5 — Proposed Conditions • Revised Construction Plan Sheet K'rmley>>> H�rn Page 2 Please feel free to contact me at (704) 409-1802 if you have any questions or if additional information is necessary. Sincerely, KIMLEY-HORN AND ASSOCIATES, INC. �� ` Chris Tinklenberg, PWS Environmental Scientist Attachments K'rmley�>>Ha�rn Project Summary Sheet Project Name: Cross-Charlottc Trail — Brandywine Road to Tyvola Road (B2T� Applicant Name and Address: City of Charlotte POC: Erin Shanaber#�er 600 East Fourth Street Charlotte, NC 28202 Telephone Number: 704-336-3927 Type of Request: � Narionwidc PCN (NWP # 14 & 27) � Jurisdicrional Dctcrminarion ❑ Individual Pcrmit Applicarion ❑ Othcr: Included Attachments: � Projcct Plans � USGS Map � NRCS Soil Survcy � Agent Authorization � Delineation Sketch ❑ Delineation Survey � Data Forms (Up & Wet) � NCDWR Stream Forms � USACE Stream Forms ❑ NCEEP Confirmation � Aerial Photo � Site Photos � Agency Correspondence ❑ Other: ❑ Other: Check if applicable ❑ CAMA Counry ❑ Trout Counry ❑ Isolated Waters ❑ Scction 7, ESA ❑ Scction 106, NHPA ❑ EFH ❑ Mirigarion Proposcd (❑ NC EEP ❑ On-Sitc ❑ Off-Sitc ❑ Othcr) County: Mccklcn Waterway: Littic Crcek H.U.C.: 03050103 Property Size (acres): �31 Site Coordinates (in decimal degrees): 35.165123 °N Nearest City/Town: Charlottc River Basin: Lowcr Catawba USGS Quad Name: Charlottc East, NC Approx. Size of Jurisdiction on Site (acres): 3.88ac -80.846275 °W Project Location: The project area parallels Little Sugar Creek from Brandywine Road to Twola Road in Charlotte, NC. Site Description: Existing land usc in thc vicinity of thc projcct includes forestcd riparian arcas that parallcl Littic Sugar Crccic with adjaccnt commcrcial and residcnrial arcas. Impact Summary (if applicable): Thc projcct will res�llt in 391 lincar fcct of permancnt-no nct loss impacts to potcnrial non-wctland watcrs of thc US. Thc projcct will result in permancnt-no nct loss impacts to 460 lf of potcnrial non-wctland waters of the US from implementine natural channel desi�n techniques to install four rock cross-vanes and associated constructed rifFles. 4,720 linear feet of temporary stream impacts are requested to conduct construction activities. Open Water Wetland Stream Channel NWP (acres) (acres) intermittent and/or Unimportant Perennial and/or Important # A uatic Function A uatic Function Tem . Perm. Tem . Perm. Temp. Perm. Temp. Perm. �f ac lf ac lf ac lf Ac 14 391 0.079 27 460 021 14&27 4720 2.16 Total Total Permanent — No Net Loss Impact to Waters of the U.S. (lf/acres) $5 ��0.29 Kimley-Horn Contact: Chris Tinklenbere, PWS Direct Number: (704) 409-1802 Email: chris.rinklcnbcrg�a),kimlcy-horn.com I I i��i y�oF wa rF,� p� � r � o ^r Office Use Only: Corps action ID no. DWQ project no. Form Version 1.3 Dec 10 2008 Pre-Construction Notification (PCN) Form A. A licant Information 1. Processing 1a. Type(s) of approval sought from the Corps: � Section 404 Permit ❑ Section 10 Permit 1b. Specify Nationwide Permit (NWP) number: 14 & 27 or General Permit (GP) number: 1c. Has the NWP or GP number been verified by the Corps? � Yes ❑ No 1d. Type(s) of approval sought from the DWQ (check all that apply): � 401 Water Quality Certification — Regular ❑ Non-404 Jurisdictional General Permit ❑ 401 Water Quality Certification — Express ❑ Riparian Buffer Authorization 1 e. Is this notification solely for the record For the record only for DWQ 401 For the record only for Corps Permit: because written approval is not required? Certification: ❑ Yes � No ❑ Yes � No 1f. Is payment into a mitigation bank or in-lieu fee program proposed for mitigation � Yes ❑ No of impacts? If so, attach the acceptance letter from mitigation bank or in-lieu fee program. 1 g. Is the project located in any of NC's twenty coastal counties. If yes, answer 1 h ❑ Yes � No below. 1 h. Is the project located within a NC DCM Area of Environmental Concern (AEC)? ❑ Yes � No 2. Project Information 2a. Name of project: Cross-Charlotte Trail — Brandywine Road to Tyvola Road (62T) 2b. County: Mecklenburg 2c. Nearest municipality / town: Charlotte 2d. Subdivision name: N/A 2e. NCDOT only, T.I.P. or state N/A project no: 3. Owner Information 3a. Name(s) on Recorded Deed: City of Charlotte and Right of Entry Agreements 3b. Deed Book and Page No. 3c. Responsible Party (for LLC if applicable): 3d. Street address: 3e. City, state, zip: 3f. Telephone no.: 3g. Fax no.: 3h. Email address: Page 1 of 14 PCN Form — Version 1.3 December 10, 2008 Version 4. Applicant Information (if different from owner) 4a. Applicant is: ❑ Agent � Other, specify: Public Agency 4b. Name: Erin Shanaberger, PWS 4c. Business name City of Charlotte, Engineering and Property Management (if applicable): 4d. Street address: 600 East Fourth Street 4e. City, state, zip: Charlotte, NC 28202 4f. Telephone no.: 704-336-3927 4g. Fax no.: 4h. Email address: Erin.Shanaberger@charlottenc.gov 5. Agent/Consultant Information (if applicable) 5a. Name: Chris Tinklenberg, PWS 5b. Business name Kimley-Horn and Associates (if applicable): 5c. Street address: 200 South Tryon Street, Suite 200 5d. City, state, zip: Charlotte, NC 28202 5e. Telephone no.: 704-409-1802 5f. Fax no.: 5g. Email address: Chris.Tinklenberg@kimley-horn.com Page 2 of 14 PCN Form — Version 1.3 December 10, 2008 Version B. Project Information and Prior Project History 1. Property Identification 1a. Property identification no. (tax PIN or parcel ID): City of Charlotte and Right of Entry Agreements 1 b. Site coordinates (in decimal degrees): Latitude: 35.165123 Longitude: - 80.846275 (DD.DDDDDD) (-DD.DDDDDD) 1 c. Property size: 31 acres (Project Boundary) 2. Surface Waters 2a. Name of nearest body of water (stream, river, etc.) to Little Sugar Creek proposed project: 2b. Water Quality Classification of nearest receiving water: Little Sugar Creek - Class "C" 2c. River basin: Lower Catawba; NCDWR Subbasin 03-08-34; HUC 03050103 Page 3 of 14 PCN Form — Version 1.3 December 10, 2008 Version 3. Project Description 3a. Describe the existing conditions on the site and the general land use in the vicinity of the project at the time of this application: This project area is defined as Little Sugar Creek (LSC) from Brandywine Road to Tyvola Road located in the City of Charlotte, North Carolina (Figure 1). The Little Sugar Creek watershed currently is a developing urban area. Per the U.S. Census Bureau, the population of Charlotte has increased from 540,828 people in 2000 to 731,424 people in 2010. Based on historical aerials (1938, 1948, 1951, 1956, 1965, 1973, 1983, 1996, 2006, and 2008), most of the development in the watershed occurred between 1973 and 1993. Over the last two decades, this watershed and Little Sugar Creek have been a focus of the Charlotte-Mecklenburg Stormwater Services who has implement over a dozen projects in the watershed focused on improving water quality in LSC. The watershed at the downstream end of the project area is approximately 37 square miles. It is located in a developing watershed and partially drains parts of urban and sub-urban Charlotte, NC. The North Carolina Division of Water Resources (NC DWR) classifies Little Sugar Creek as a Class C water. The site is located in the Catawba River Watershed (12-digit Hydrologic Unit 030501030102). The project area comprises forested riparian areas paralleling Little Sugar Creek with adjacent commercial and residential areas. Typical on-site vegetation includes sweetgum (Liquidambar styraciflua), red oak (Quercus rubra), American sycamore (Platanus occidentalis), Japanese honeysuckle (Lonicera japonica), kudzu (Pueraria lobata), green ash (Fraxinus pennsylvanica), glossy privet (Ligustrum lucidum), Chinese privet (Ligustrum sinense), English ivy (Hedera helix), river cane (Arundinaria gigantea), golden bamboo (Phyllostachys aurea), poison ivy (Toxicodendron radicans), greenbriar (Smilax rotundifolia), and various grasses (Festuca spp.). Three jurisdictional stream channels (Streams A-C) located within the project area. On-Site jurisdictional waters drain to and include Little Sugar Creek. Little Sugar Creek is part of the Lower Catawba River Basin (HUC 03050103) and is classified as "Class C Waters" by the NCDWR. According to the NCDWR. No jurisdictional wetlands were identified within the project area. 3b. List the total estimated acreage of all existing wetlands on the property: Oac 3c. List the total estimated linear feet of all existing streams (intermittent and perennial) on the property: The total length of all on-site streams is approximately 8.492 linear feet. 3d. Explain the purpose of the proposed project: The purpose of the project to construct a greenway trail and implement natural channel design techniques in order to stabilize bed and banks, increase dissolved oxygen, improve habitat diversity and to protect low-water trail crossings. Page 4 of 14 PCN Form — Version 1.3 December 10, 2008 Version 3e. Describe the overall project in detail, including the type of equipment to be used: The Cross-Charlotte Trail (XCLT) is a proposed 26-mile greenway trail proposed to stretch from the North-South Carolina state line, through the UNC Charlotte Campus and to the Cabarrus County line. Through a partnership between the City of Charlotte and Mecklenburg County, this trail will connect parks, landmarks, and major employment centers and will serve both passive and active recreational opportunities for greenway users, while maintaining and preserving the natural aspects of the corridor. The B2T segment includes the construction of 1.5 miles of 12-foot wide greenway trail and in-stream enhancements located along Little Sugar Creek. This segment of trail will tie into the existing Little Sugar Creek Greenway at Brandywine Road and will extend south to Tyvola Road. In general, the 26-mile corridor will utilize existing and maintained sanitary sewer easement corridors in order to reduce clearing impacts, however, the B2T section of XCLT is heavily constrained by a number of factors including topography, access, grade-separation issues, aerial and above- ground utilities and private commercial/residential properties. In order to protect users of the trail by eliminating at grade crossings of busy roads, the alignment is proposed to pass through a culvert located beneath Park Road and East Woodlawn Road. East Woodlawn and Park Roads are very busy thoroughfares. Moreover, the route is designed to be compliant with the Americans with Disabilities Act (ADA) and Charlotte-Mecklenburg standards for trails and pathways, thus requiring a maximum slope of approximately 5%. For this slope to be maintained and for the route to pass beneath Brandywine Road, E Woodlawn Road and Park Road, grading and construction activities associated with the trail installation will impact Little Sugar Creek below the OHWM. These impacts will also allow for the preservation of mature canopy species along the top of bank of Little Sugar Creek. A total loss of channel bed and stream function is not proposed by this project — only minor bank/bed impacts on one side, as the trail runs parallel and below OHWM in a few locations (due to constraints). The overall project includes the construction of approximately 8,100 linear feet of a 12-foot wide greenway trail. Streamside impacts below OHWM have been reduced to the maximum extent practicable to minimize impacts to stream functions already degraded by the urban watershed. One section of greenway will necessitate excavation and fill below the OHWM resulting in 391 linear feet of permanent — no net loss of WoUS in order to construct the trail running parallel along the edge of water, including applicable retaining walls, grading, and bank stabilization. 391 If of streamside impacts below OHW M are proposed, however, only 292 If will impact below the existing normal water surface elevation mainly associated with the section of stream that has over-widened. Most of those impacts occur in an already heavily degraded section of Little Sugar Creek, where the bank has blown out and resulted in a channel width twice as wide as sections immediately up and downstream including shear banks that are largely absent of vegetation. The width of the over-widened section is 35'-40', therefore, the proposed condition seeks to return the normal baseflow width back to its natural condition while eliminating bank instabilities. A BEHI/NBS assessment was performed in order to estimate bank erodibility. The results of the stream bank erodibility assessment demonstrated that in the existing condition, this section of stream bank is producing approximately 17 tons of sediment per year. In the proposed condition, bank erosion within this section would be prevented, reducing the sediment input to 0. Additionally, an NCSAM evaluation was conducted and determined that no further degradation of the aquatic environment would result in the proposed condition; therefore, the project satisfies Regional Condition 3.1 since it will result in no-net-loss of WoUS including no further degradation of the aquatic environment. Natural channel design techniques will be implemented to install four rock cross-vanes and associated constructed riffles at the low-water trail crossing locations. The purpose of the structures will be to stabilize the bed and banks, increase dissolved oxygen concentrations, improve aquatic habitat diversity, and to protect the low-water crossings from the hydraulic forces during storm events. 460 linear feet of stream enhancement (permanent — no net loss of WoUS) is proposed as part of this project. Due to the highly-constrained project area, it is necessary for a portion of the construction activities to be conducted within the channel bed of LSC. Due to the size and drainage area of LSC, it is not feasible to utilize measures, i.e. impervious dikes and pumped diversions, in order to work in dry conditions. 4,720 linear feet of temporary stream impacts are requested to conduct construction activities including tracked back-hoe access, where greenway construction from the banks is not feasible. Temporary impacts have been minimized to the greatest extent practicable in order to meet the needs of the project and do not pose adverse alterations to the existing channel bed. An application to work in the wet will be submitted to NCDWR, Sediment and Erosion Control, which is typical for these types of projects. Track hoes and other earth moving equipment is anticipated to be used on this project. Page 5 of 14 PCN Form — Version 1.3 December 10, 2008 Version 4. Jurisdictional Determinations 4a. Have jurisdictional wetland or stream determinations by the Corps or State been requested or obtained for this property / project (including all prior phases) in the past? ❑ Yes � No ❑ Unknown Comments: 4b. If the Corps made the jurisdictional determination, what type of determination was made? ❑ Preliminary ❑ Final 4c. If yes, who delineated the jurisdictional areas? Agency/Consultant Company: Name (if known): Other: 4d. If yes, list the dates of the Corps jurisdictional determinations or State determinations and attach documentation. 5. Project History 5a. Have permits or certifications been requested or obtained for � Yes � No ❑ Unknown this project (including all prior phases) in the past? 5b. If yes, explain in detail according to "help file" instructions. 6. Future Project Plans 6a. Is this a phased project? � Yes ❑ No 6b. If yes, explain. When complete, the Cross-Charlotte Trail will include 26 miles of trail and connectors. Currently, half of the overall trail is in design or under construction. Per coordination with USACE and NCDWR, any impacts associated with future phases of the project require compensatory mitigation, therefore, compensatory mitigation is proposed as part of this project. The City of Charlotte will continue to address future phases of the project and mitigation requirements associated with those phases with USACE and NCDWR when necessary. Page 6 of 14 PCN Form — Version 1.3 December 10, 2008 Version C. Proposed Impacts Inventory 1. Impacts Summary 1 a. Which sections were completed below for your project (check all that apply): ❑ Wetlands � Streams - tributaries ❑ Buffers ❑ Open Waters ❑ Pond Construction Page 7 of 14 PCN Form — Version 1.3 December 10, 2008 Version 2. Wetland Impacts If there are wetland impacts proposed on the site, then complete this question for each wetland area impacted. 2a. 2b. 2c. 2d. 2e. 2f. Wetland impact Type of jurisdiction number — Type of impact Type of wetland Forested (Corps - 404, 10 Area of impact Permanent (P) (if known) DWQ — non-404, other) (acres) or Temporary T W� P� T ❑ Yes ❑ Corps ❑ No ❑ DWQ W❑ P❑ T ❑ Yes ❑ Corps ❑ No ❑ DWQ W� P� T ❑ Yes ❑ Corps ❑ No ❑ DWQ W� P� T ❑ Yes ❑ Corps ❑ No ❑ DWQ W❑ P❑ T ❑ Yes ❑ Corps ❑ No ❑ DWQ W� P� T ❑ Yes ❑ Corps ❑ No ❑ DWQ 2g. Total wetland impacts 2h. Comments: 3. Stream Impacts If there are perennial or intermittent stream impacts (including temporary impacts) proposed on the site, then complete this question for all stream sites impacted. 3a. 3b. 3c. 3d. 3e. 3f. 3g. Stream impact Type of impact Stream name Perennial Type ofjurisdiction Average Impact number - (PER) or (Corps - 404, 10 stream length Permanent (P) intermittent DWQ — non-404, width (linear or Temporary (INT)? other) (feet) feet) (T) Stream-side area LSC — Impact 1 impact (below OHWM), LSC � PER � Corps 20 391 � P❑ T construction of ❑ INT � DWQ (0.079ac) greenway Stream enhancement; LSC — Impact 3 installation of LSC � PER � Corps 20 90 � P❑ T constructed riffle and ❑ INT � DWQ rock-cross vane Stream enhancement; LSC — Impact 4 installation of LSC � PER � Corps 20 100 � P❑ T constructed riffle and ❑ INT � DWQ rock-cross vane Stream enhancement; LSC — Impact 5 installation of LSC � PER � Corps 20 140 � P❑ T constructed riffle and ❑ INT � DWQ rock-cross vane n Stream enhancement; LSC — Impact 6 installation of LSC � PER � Corps 20 130 � P❑ T constructed riffle and ❑ INT � DWQ rock-cross vane LSC — Impact 7 Temporary impacts � PER � Corps � P� T necessary to conduct LSC � INT � DWQ 20 4,700 construction activities SB — Impact 8 Temporary ford � PER � Corps ❑ P� T crossing Briar Creek � INT � DWQ 20 20 Page 8 of 14 PCN Form — Version 1.3 December 10, 2008 Version 3h. Total stream and tributary impacts 5,180 3i. Comments: One section of greenway will necessitate excavation and fill below the OHWM resulting in 391 linear feet of permanent — no net loss of WoUS in order to construct the trail running parallel along the edge of water, including applicable retaining walls, grading, and bank stabilization (Impact 1). Natural channel design techniques will be implemented to install four rock cross-vanes and associated constructed riffles at the low-water trail crossing locations resulting in 460 linear feet of permanent — no net loss of WoUS (Impacts 3-6). 4,720 linear feet of temporary construction impacts are necessary to conduct construction activities including tracked back-hoe access, where greenway construction from the banks is not feasible. 20 linear feet of additional temporary construction impacts are necessary for a temporary stream crossing for construction activities and equipment. The project will not result in a linear loss of WoUS, however, 0.079 acres of permanent stream-side area impacts below the OHWM are necessary to construct the greenway trail. 4. Open Water Impacts If there are proposed impacts to lakes, ponds, estuaries, tributaries, sounds, the Atlantic Ocean, or any other open water of the U.S. then individually list all open water impacts below. 4a. 4b. 4c. 4d. 4e. Open water Name of waterbody impact number (if applicable) Type of impact Waterbody type Area of impact (acres) — Permanent (P) or Tem orar T 01 ❑P❑T 02 ❑P❑T 03 ❑P❑T 04 ❑P❑T 4f. Total open water impacts 4g. Comments: 5. Pond or Lake Construction If ond or lake construction ro osed, then com lete the chart below. 5a. 5b. 5c. 5d. 5e. Wetland Impacts (acres) Stream Impacts (feet) Upland Pond ID Proposed use or purpose of (acres) number pond Flooded Filled Excavated Flooded Filled Excavated Flooded P1 P2 Sf. Total 5g. Comments: 5h. Is a dam high hazard permit required? ❑ Yes ❑ No If yes, permit ID no: 5i. Expected pond surface area (acres): 5j. Size of pond watershed (acres): 5k. Method of construction: Page 9 of 14 PCN Form — Version 1.3 December 10, 2008 Version 6. Buffer Impacts (for DWQ) If project will impact a protected riparian buffer, then complete the chart below. If yes, then individually list all buffer impacts below. If an im acts re uire miti ation, then ou MUST fill out Section D of this form. 6a. ❑ Neuse ❑ Tar-Pamlico ❑ Other: Project is in which protected basin? � Catawba ❑ Randleman 6b. 6c. 6d. 6e. 6f. 6g. Buffer impact number — Reason Buffer Zone 1 impact Zone 2 impact Permanent (P) for impact Stream name mitigation (square feet) (square feet) or Temporary required? T B1 ❑P❑T ❑Yes ❑ No 62 ❑ P ❑ T ❑ Yes ❑ No 63 ❑P❑T ❑Yes ❑ No 6h. Total buffer impacts 6i. Comments: D. Impact Justification and Mitigation 1. Avoidance and Minimization 1a. Specifically describe measures taken to avoid or minimize the proposed impacts in designing project. Avoidance and minimization efforts for the greenway include the avoidance of 555 linear feet of imacts below the OHW M/stream-side area in two locations. The project will construct approximately 930 feet of elevated boardwalk in order to avoid additional stream impacts. Moreover, instead of installing culverted crossings within LSC, the project is proposing four low-water crossings and to install in-stream structures around those crossings in order to protect the infrasture as well as to provide aquatic uplift. The trail footprint was reduced in the upper section by decreasing the shoulder width on the stream side from 5-feet down to 2-feet which allowed for the reduction in the overall permanent impacts below OHWM from 966 linear feet to 391 linear feet (0.079 acre), about a 40% reduction in impact. . 1 b. Specifically describe measures taken to avoid or minimize the proposed impacts through construction techniques. Temporary impacts have been minimized to the greatest extent practicable in order to meet the needs of the project and do not pose adverse alterations to the existing channel bed. Erosion control measures implemented during construction of the greenway will be removed immediatedly following the activity and any disturbance will be returned to preconstruction conditions. Temporary bridge crossings will be utilized along haul roads in order to avoid additional temporary stream impacts. 2. Compensatory Mitigation for Impacts to Waters of the U.S. or Waters of the State 2a. Does the project require Compensatory Mitigation for � Yes ❑ No impacts to Waters of the U.S. or Waters of the State? 2b. If yes, mitigation is required by (check all that apply): ❑ DWQ � Corps � Mitigation bank 2c. If yes, which mitigation option will be used for this project? ❑ Payment to in-lieu fee program ❑ Permittee Responsible Mitigation 3. Complete if Using a Mitigation Bank 3a. Name of Mitigation Bank: City of Charlotte Stream and Wetland Mitigation Bank 3b. Credits Purchased (attach receipt and letter) Type Stream Quantity 36 Page 10 of 14 PCN Form — Version 1.3 December 10, 2008 Version 3c. Comments: As part of the pre-application process, the USACE recommended conducting an NC SAM evaluation in order to qualitatively assess the existing conditions within areas of proposed stream-side impacts. In addition, an assessment of these areas in the proposed conditions was completed to determine what sub functions might be degraded, if any, as a result of the greenway construction. Based on the results of the qualitative assessment, the USACE recommended developing a project specific methodology for interpolating a quantitative value based on the qualitative assessment. The results of the quantitative assessment were then utilized in determining the appropriate compensatory mitigation requirements for impacts associated with the project. Based on the results of the NC SAM evaluation and methodology for calculating compensatory mitigation to offset stream- side area impacts, 36 stream credits will be purchased from the City of Charlotte's Stream and Wetland Mitigation Bank for offsetting impacts associated with this project. 4. Complete if Making a Payment to In-lieu Fee Program 4a. Approval letter from in-lieu fee program is attached. ❑ Yes 4b. Stream mitigation requested: linear feet 4c. If using stream mitigation, stream temperature: ❑ warm ❑ cool ❑cold 4d. Buffer mitigation requested (DWQ only): square feet 4e. Riparian wetland mitigation requested: acres 4f. Non-riparian wetland mitigation requested: acres 4g. Coastal (tidal) wetland mitigation requested: acres 4h. Comments: 5. Complete if Using a Permittee Responsible Mitigation Plan 5a. If using a permittee responsible mitigation plan, provide a description of the proposed mitigation plan. 6. Buffer Mitigation (State Regulated Riparian Buffer Rules) — required by DWQ 6a. Will the project result in an impact within a protected riparian buffer that requires ❑ Yes � No buffer mitigation? 6b. If yes, then identify the square feet of impact to each zone of the riparian buffer that requires mitigation. Calculate the amount of mitigation required. 6c. 6d. 6e. Zone Reason for impact Total impact Multiplier Required mitigation (square feet) (square feet) Zone 1 3(2 for Catawba) Zone 2 1.5 6f. Total buffer mitigation required: 6g. If buffer mitigation is required, discuss what type of mitigation is proposed (e.g., payment to private mitigation bank, permittee responsible riparian buffer restoration, payment into an approved in-lieu fee fund). 6h. Comments: Page 11 of 14 PCN Form — Version 1.3 December 10, 2008 Version E. Stormwater Management and Diffuse Flow Plan (required by DWQ) 1. Diffuse Flow Plan 1 a. Does the project include or is it adjacent to protected riparian buffers identified � Yes � No within one of the NC Riparian Buffer Protection Rules? 1 b. If yes, then is a diffuse flow plan included? If no, explain why. ❑ Yes ❑ No Comments: 2. Stormwater Mana ement Plan 2a. What is the overall percent imperviousness of this project? <5% 2b. Does this project require a Stormwater Management Plan? ❑ Yes � No 2c. If this project DOES NOT require a Stormwater Management Plan, explain why: B2T is a linear facility and Little Sugar Creek has been grandfathered, therefore, the project is being treated as one facility and is not subject to the additional impervious built upon area requirements 2d. If this project DOES require a Stormwater Management Plan, then provide a brief, narrative description of the plan: ❑ Certified Local Government 2e. Who will be responsible for the review of the Stormwater Management Plan? ❑ DWQ Stormwater Program ❑ DWQ 401 Unit 3. Certified Local Government Stormwater Review 3a. In which local governmenYs jurisdiction is this project? ❑ Phase II 3b. Which of the following locally-implemented stormwater management programs ❑ NSW apply (check all that apply): ❑ USMP ❑ Water Supply Watershed ❑ Other: 3c. Has the approved Stormwater Management Plan with proof of approval been ❑ Yes ❑ No attached? 4. DWQ Stormwater Pro ram Review ❑ Coastal counties ❑ HQW 4a. Which of the following state-implemented stormwater management programs apply � ORW (check all that apply): ❑ Session Law 2006-246 ❑ Other: 4b. Has the approved Stormwater Management Plan with proof of approval been attached? ❑ Yes ❑ No 5. DWQ 401 Unit Stormwater Review 5a. Does the Stormwater Management Plan meet the appropriate requirements? ❑ Yes ❑ No 5b. Have all of the 401 Unit submittal requirements been met? ❑ Yes ❑ No Page 12 of 14 PCN Form — Version 1.3 December 10, 2008 Version F. Supplementary Information 1. Environmental Documentation (DWQ Requirement) 1 a. Does the project involve an expenditure of public (federal/state/local) funds or the � Yes ❑ No use of public (federal/state) land? 1 b. If you answered "yes" to the above, does the project require preparation of an environmental document pursuant to the requirements of the National or State ❑ Yes � No (North Carolina) Environmental Policy Act (NEPA/SEPA)? 1 c. If you answered "yes" to the above, has the document review been finalized by the State Clearing House? (If so, attach a copy of the NEPA or SEPA final approval letter.) ❑ Yes ❑ No Comments: 2. Violations (DWQ Requirement) 2a. Is the site in violation of DWQ Wetland Rules (15A NCAC 2H .0500), Isolated Wetland Rules (15A NCAC 2H .1300), DWQ Surface Water or Wetland Standards, ❑ Yes � No or Riparian Buffer Rules (15A NCAC 2B .0200)? 2b. Is this an after-the-fact permit application? ❑ Yes � No 2c. If you answered "yes" to one or both of the above questions, provide an explanation of the violation(s): 3. Cumulative Impacts (DWQ Requirement) 3a. Will this project (based on past and reasonably anticipated future impacts) result in � Yes � No additional development, which could impact nearby downstream water quality? 3b. If you answered "yes" to the above, submit a qualitative or quantitative cumulative impact analysis in accordance with the most recent DWQ policy. If you answered "no," provide a short narrative description. 4. Sewage Disposal (DWQ Requirement) 4a. Clearly detail the ultimate treatment methods and disposition (non-discharge or discharge) of wastewater generated from the proposed project, or available capacity of the subject facility. Page 13 of 14 PCN Form — Version 1.3 December 10, 2008 Version 5. Endangered Species and Designated Critical Habitat (Corps Requirement) 5a. Will this project occur in or near an area with federally protected species or � Yes � No habitat? 5b. Have you checked with the USFWS concerning Endangered Species Act � Yes ❑ No impacts? ❑ Raleigh 5c. If yes, indicate the USFWS Field Office you have contacted. � Asheville 5d. What data sources did you use to determine whether your site would impact Endangered Species or Designated Critical Habitat? A review of the North Carolina Natural Heritage Program (NCNHP) database on January 14, 2016 did not indicate known occurences of threatened or endangered species within the project boundary. Additionally, a letter from USW FS dated February 22, 2016, concurred that no listed species or their habitats are present within the project boundary. 6. Essential Fish Habitat (Corps Requirement) 6a. Will this project occur in or near an area designated as essential fish habitat? ❑ Yes � No 6b. What data sources did you use to determine whether your site would impact Essential Fish Habitat? NCNHP element occurrence database did not indicate the presence of EFH within the project boundary. 7. Historic or Prehistoric Cultural Resources (Corps Requirement) 7a. Will this project occur in or near an area that the state, federal or tribal governments have designated as having historic or cultural preservation � Yes ❑ No status (e.g., National Historic Trust designation or properties significant in North Carolina history and archaeology)? 7b. What data sources did you use to determine whether your site would impact historic or archeological resources? A letter from the North Carolina State Historic Preservation Office (SHPO) dated February 11, 2016 states that there are no known archeological sites within the project area, however, the project will occur within the National Register-eligible Selwyn Village Historic District (MK2113). NCSHPO recommends minimal mature tree removal in order to avoid adverse affects to the property's view shed. Minimal tree clearing will occur as part of this project and will be predominately limited to those areas immediately adjacent to LSC where the vegetation is made up of primarily invasive species and young hardwoods. 8. Flood Zone Designation (Corps Requirement) 8a. Will this project occur in a FEMA-designated 100-year floodplain? � Yes ❑ No 8b. If yes, explain how project meets FEMA requirements: A flood impact analysis report, no-rise impact certification, and individual floodplain development permit will be submitted to Mecklenburg County for review and approval prior to construction/restoration activities. The results of the flood impact analysis show that there is no net increase in base flood elevations. 8c. What source(s) did you use to make the floodplain determination? FEMA FIRM No. 3710454100K Erin Shanaberger, PWS �� `�''�Q�- Applicant/Agent's Signature ApplicanUAgent's Printed Name (Agent's signature is valid only if an authorization letter from the applicant Date is provided.) Page 14 of 14 PCN Form — Version 1.3 December 10, 2008 Version Y.E F' Legend � Il�;lil� � �I ' �E � � �,grandywine "R,d:�' ,t' , '_ �l j � i , �`�� ._ 0 Project Area � � �i;�� .� _ -' � ; �:� ` o- m� - �� -�� r'' � . ,,�' �`. — Edge of Water '� si �,I�II � ;��'� � t °- ��. � � ` ;► � � In-Stream Structures ; f � � f � , i �, _ , � , /. .� � �•.... . .� _ 4r , � « ,, ir e��"'( �. �� ► � �r, 7 � Bridge/Proposed Low Water Crossing � ;' ' � ` %r � 'l� 1 � � '4` �� '� .� "� ` 5 y�* 0 Constructed Riffles �� .��' ` � � ,i� � ��`'6S'`"' � ` ' _ .' y �.f j._�� . "'3 `� ''i��'-. '��'�'�� Im act 1— Permanent - No Net Loss °� _��" Proposed Walls ��r�� il' , � •- �` p � - Proposed Greenway ` . , ;; +t, � ` � ��" 6221f, stream-side area impact � ,�! 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I, � � , _.t�.�k :�k'� , � s� 4�, � :i.. �;,� .„ �i �. � 4 . ,+I�t ., r � }� � ' � � � t a e. -t.; . � 1� . ` � . . �,^ „r . � Y � � � • Impact 7 - Temporary - Throughout Project Area ,� � ''� � - �� " "� 4,7201f, necessary to conduct construction activities sg � � � '� :� a . � _ - .. . . . � �, . - - . � ,� j'{ ., ' ,.. ._„� 7 � _�. - _ �; �� - - * 6� C h�4� ;'� Y ..4� ��, �� '��.� ""� w Sx� � F . . . �� - a,� ` , ''� ��, .. -� r .��-,t��' �, �,� �k�,: ., _� ,�' -,: �,�,� Oy 200 400 < '�� ♦ �, - x'� �L , � - �' � � . �\,,� �;,_,,�; 'i ,� �_ �- Feet . � * , � _ �"�� ' S v+�5 : �' � - — - v: '" ! + � w '�.� ) ��" • Figure 5d: Proposed Conditions �,% Cross-Charlotte Greenway - Brandywine to Tyvola � ��Qy �� Qr�j Charlotte, Mecklenburg County, SC {;iR:tF�I.(Yf"rl�:. March 2019 EHGIkEERING & 9R6PFi17Y NAHaGL1iENT CONSTRUC�ON SEO�ENCE 5' MAX. STREAM CHANNEL t. coNsrRucr �MaoRARr oivERSioN oR sEr-uP ,I BANK HEIGHT PUMP AROUND PER THE �ETAIL ON. IRI � IVI� �I Itrl'iIi / �I 2. EXCAVATE APPROACH SEC�ONS. IV� 3. BEGIN E%CAVATION OF THE CHANNEL TO __ -, � i6 �. , � �I��Y I " � ,.I, SURFACE FLOW � -� ` � � / IV4II�II i, ��y DIVERSION INSiALL THE FILTER FABFIG AND STONE BASE. ��_� \ � /� �li�i �" � 4. REPLACE ANV STABILIZING MATERIAL THAT IS � "�' � �, WASHED OUT DURING STORM FLOWS. � Illr � ` _ 0 6 � _ _ _ � � _ 19��I � iul� oo � op� �o - -� - � �� Ird�.�� i �S�l�� -.:�_� � o � � i!I �� i�i — a � y,y STONE APPROACH SECTION � Ilil 5:1 MAX. SLOPE ON ROAD STONE OVER - FILTER FABRIC i i� � < m N � fr E N � � V w F a� � -s �z z. � "s z � 0 a � w 8 M o g I � W b o � � x o g V = 5 O f o � w ,$ I y M p / N `g 2 p � S a� ` % � a 5 a � UI E 9a � $ a ` N a J � U x � �0E 2 � .c o $ U Y � oB SURFACE FLO DNERSI ON ORIGINAL STREAMBANK�` '-\\ // � GRADATION OF 2"-6" RIP �� RAP WITH 1" OF //57 STONE ` - - - _ _ _ - - - - - - -��TYPE 1 (4oz) FILTER FABRIC AS TOP LAYER TO FILL VOIDS iN Ria Rna SECTION TEMPORARY STREAM CROSSING/FORD NOT TO SC/i.0 STREAM CHANNEL BRIDGE MAT N��i ii�� i � ili��i� � � � V�li , , ��, � —_�- — I I�'�dn""�� ' 1� /u/IiI� � �I � SURFACE FLOW �` \ IIIiII IIiIi .. ' DIVERSION �� IVi�I I�{ �11� li�� ' - _ � � � �' � I �� j �r� I . I I \ _ .. � � V � i.il �'� I4` _ _ � �� — � f II �y uuli � � � IWi .. . .O . . O. . NOTES: 1. CONSTRUCT STREAM CROSSING WHEN FLOW IS AT NORMAL BASEFLOW. 2. MINIMIZE CLEARING AN� EXCAVATION OF STREAMBANKS. 00 NOT EXCAVATE CHANNEL BOTTOM. 3. INSTALL STREAM CROSSING PERPENDICULAR TO THE FLOW. 4. MAINTAIN CROSSING 50 THAT RUNOFF IN THE CONSlRl1CTI0N ROAD DOES NOT ENTER EXISTING CHANNEL. 5. STABILIZE AN ACCE55 RAMP OF CLA55 B STONE TO THE EDGE OF THE MUD MAT. 6. CONTRACTOR SHALL DETERMINE AN APPROPRIATE RAMP ANGLE ACCORDING TO THE EQUIPMENT UTILIZED. TEMPORARY STREAM CROSSING - MUD MAT ON SIDE CHANNELS NOT TO SCA�E � m e o � 0 � � NOTES: �8 a� � 1. CONSIRUCT STREAM CROSSING WHEN FLOW IS AT NORMAL BASEFLOW. U� 2. MINIMIZE CLEARING AND EXCAVAPON OF STREAMBANKS. DO NOT E%CAVATE CHANNEL BOTTOM. �.`�� 3. INSTALL STREAM CROSSING PERPEN�ICULAR TO THE FLOW. Y 4. MAINTAIN CROSSING SO THAT RUNOFF IN hIE CONSTRUCTION � ROAD DOES NOT ENTER EXISTING CHANNEL. E�, 5. STABILIZE AN ACCESS RAMP OF CLASS B STONE TO THE EDGE OF THE MUD MAT. 6. CONTRACTOR SHALL DETERMINE AN APPROPRIATE RAMP � E ANGLE ACCORDING TO THE EQUIPMENT UTILIZED. °$ TEMPORARY DEEP STREAM CROSSING - MUD MAT ON LITTLE SUGAR � € NOT TO SCALF SOIL STABILIZATION TIMEFRAMES SITE DESCRIPTION STABILIZATION TIME TIMEFRAME EXCEP IIONS PERIMLTEI� DIKES, SWALES, DITCHES AND SLOPLS 7 DAYS NONE HIGH QUALITY WATER (HQW) ZONES 7 DAYS NONE SLOPES STEEPER THAN 3:1 7 DAYS IF SLOPES ARE 10' OR LESS IN LENGTH AND ARE NOT STEEPER THAN 2:1, 14 DAYS ARE ALLOWED. SLOPES 3:1 OR FLATTER 14 DAYS 7 DAYS FOR SLOPES GREATER THAN 50'IN LENGTH. ALL OTHER AREAS WITH SLOPES FLATTER THAN 4:1 14 DAYS NONE, EXCEPT FOR PERIMETERS AND HQW ZONES- PERMANENT SEEDING - RIPARIAN SEED MIX (USE UNDER COIR MATTING) COMMON NAME BOTANICAL NAME PERCENTAGE RE9TOP PANIC GRASS (NC ECOTYPE) P' um rigidulum 2a CAMPER LITiLE BLUE SiEM S h' ochyrium xoporium ZQ LANCE-LEAVED COREOPSIS (NC ECOTVPE) Goreopsis londceoloto I 10 BLACK-EYED SUSAN (NC ECOTWE) R�dbeckia hirta �� PARTRIDGE PEA Ghamaecr'sta (oxicu/ota I 5 BEAKED PANIGGRA55 (MD EGOiYPE) Panicum onceps I 5 41VER OATS (WV ECO�YPF) Chosmanthium IoHfolum 3 DEER TONGUE Oichanthelium clandestinum I 3 VIRGINIA WILD RYE £lymus hginicus 3 COMMON SNEEZEWEED (VA EGOttPE) Helenium outumnole I 3 SWAMP SUNFLOWER (NC ECOttP€) Helionfhus ongust�folius I 3 WIL� OUININE (VA ECOTYPE) Porthenium integrifol�um 3 APPALACHIAN BEARDTONGUE (SC ECOTWE) Pensteman laevigatus 3 PURPLE TOP ('SUTHER', NC ECOTWE) iidans )lows 3 SPOTTED BEEBALM (SC ECOTIPE) Monordo punctota p IRONWEED ('SUTHER', NC ECOiYPE) �emonia noveboro 2 UPLAND BENTGRASS Agrostis perennans � TICKSEED SUNFLOWER (NC ECOTWE) Bidens oristoso 1 "APPLICATION R4TE 15 LBS/ACRE APPLY SOIL AMENDMENTS ACCORDING 70 iT+E FOLLOWWG TABLE AT 1000 LBS�ACRE� N z ,o P z05 io K �0 �o APPLY LIME AT 3000 LB�ACRE. MULCH APPLY 4,000 LB�ACRE STRAW. ANCHOR STRAW BY A MULCH ANCHORING TOOL A DISK WITH BLADES SET NEARLY STRAIGHT CAN BE USED AS A MULCH ANCHORING TOOL. MAINTENANCE REFERTILIZE IF GROWTH IS NOT FULLY ADEQUATE- RESEED, REFERTILIZE AND MULCH IMMEDIATELY FOLLOWING EROSION OR OTHER DAMAGE PER SECTION 6.10 OF NCDENR EROSION AND SEDIMENT CONTROL DESIGN MANUAL. GENERALNOTES 1. IN ALL DISTURBED AREAS SHOULD BE RAKED/ROUGHENED (A MINIMUM OF 5"), AMENDED WITH FERTILIZER, SEEDED (PERMANENT AND TEMPORARY), STRAWED, AND THEN COVERED WITH EROSION CONTROL MATTING (IF APPLICABLE) PER THE MANUFACTORERS RECOMMENDATIONS. ONCE THE MATTWG IS DOWN INSTALL THE LIVE STAKES AND TUBELWGS THROUGH THE MATTWG. 2. O.C. = ON-CENTER 3- TEMPORARv SEEDiNG S4ALL BF APPUED IN ALL DIS�URBcD AREAS. WOODY VEGETATION — 6' O.C. COMMON BOTANICAL PERCENTAGE NUMBER ROW TYPE NAME NAME OF ROWS SPACING SILKY D06WOOD Comus am 3a Z 3' LIVE STAKE SILKY WILLOW Solix Sericea 30 2 3' LIVE STAKE ELDERBERRY Sambucus canaaensis 30 2 3' LIVE STAKE TAG ALDER A/nus serrulata �0 3 2' BAR[ ROOT 'RANDOM SPACING TO MIMIC NATURAL CONDITIONS VEGETATION SPECIES FOR BUFFER AREAS (TUBELINGS) COMMOM NAME BOTANICAL NAME TREE/SHRU� SOUTHERN ARROWWOOD VIBURNUM DENTATUM SHRUB HAZEL ALDER ALNUS SERRULATA TREE RIVER BIRCH BETULA NIGRA TREE EASTERN REDBUD CERCIS CANADENSIS TREE/SHRUB SILKY DOGWOOD CORNUS AMOMUM SHRUB INKBERRY lLEX CLABRA SHRUB YELLOW POPLAR LIRIODENDRON TUI,IPIFERA TREE WILLOW OAK QUERCUS PHELLOS I TREE BUTTON BUSH CEPHALANTHUS OCCIDENTALIS SHRUB RED CHOKEBERRY PHOTINIA PYRIFOGIA � SI-IRUB CHOSEN SPEGES SHALL BE COMPR6ED OF 70% TREES AND 30% SHRUBS OR iREE�SHRUB SPECIES AND PLANTED AT 200 STEMS�ACRE. SENSITIVE DO NOT DUPLICATE � , o Know whaYs below. Cal I before you tlig. � I LO o � O �o o�� .. � � _ [�,`�' �' d '�°. 9 � p L j� W�U � �' t w �z°, q �] yFZ o„ = ,a s .°�' � ` Z � `n � U i :�o�S� ESSRp�'� � i ' _ �'e S ° ,� i �' 9� �a..: �E�P� �e : • � O ,,,, EF CLA�;,.�`• Q � � � o � z a � O N i 0 _ �� 'o M f � Z y � � W F E- O �a Q Q UF � � O�/ W U M j O = U r. W � a F w a a CC F z 0 V z � � � � w � C � d 0 � F �� a� N � m � N � � � N =Z � 's a g o � � a � U � O u N � w � � E N U S w, � a v a N g � 6 U I a x �0 2 � .c o $ U Y I `o B � bg U § m � o �� E I I TEMPORARY CONSTRUCTIOfJ ENTRANCE(TVP�.CONTRACTORTO COORDINATE WITH RESPECTIVE UTILITY COMPANIES FOR ANY POTENTIAL IMPACTS OR RELOCATIONS REQUIRED FOR THIS TEMP.CONSTRUCTION ENTRANCE ," ,� � ,� � � �� - ; __ ; : ' ' � � � , ' ,, ,,— ,,�' ��' ------------ � i' • PRIVPTEI � � / � � �� ,,�� ,�� / RDDRNEI � � �� i ,� ,�� i GRANF� � �� i �� ,,, --------------------- ___- / / �� l��N � � � � � � � � � � � � � . "� � � / � � � _ , _ � � � � , � % � > � � � / i �� , � � i � � � / � i ,' ,' ,—' _-------- -- � L� o � � � � � , ,-- ----- ___--- � � ,, N� � � ,— — -- � � � � --- -- � ,, / i i — — N � �� . / � � � � --- / � ��i - INFE „ �� — �_�� / �� - GRAPHIC SCALE ET o � A �`� � / i �� , i , 0 10 20 40 �, �_ \ �� i�// /�� —�� --- i� i� 9 O�V i � i i � i i ` . i � � _ — _ �� y � � � i � / w � ` � / a m �.. � � � � � � � .. � ' _ - ' / � . . . . . . - . __ _ � ] U c. � � ._ _ _ ' \�/ L � � � -- __ _ -_-�- Z - � _ ._ _ ----- q � -__- ____ _ --- . � 0. ..z ti � .a .- � _ � i � ��L � ,- -- _ ,_- ,-�- - Z� � � �� -'� _ _ _ ��=7i� _ -"- � �,, � �_ _ , , � �� , , � � , � � � -- --- � � • O U � / '\ ' � - - � � LIMITS OF DISTURBANCE (TYP �� ` ` _ � � � \ � C i � / � - _ - / � � � p� ;�� / � � � � ..�-�� —" Qz `, ,� ; _ � , ��r� � �. � �� a � � II' � r_, � ` � ` w � jl�l�luj�ii� � �� '1/� \ � � iiii�iii��<<�" �'�� 1�� _ , --____ �� ,, ��, > 1 �_� /lL _ � ; ' ' — —_ — � � � -- , �,��,��,� �� i --,- , �, � ��, , � L �/�i� � � � � -�' � ,��,-' ,--, _ ,, ,,��,�,i, � � c � � - � II I / �� I � / . � / _ � — � '� �� 'll��'��"�' ♦ IL � � _- __, � - �� ' � � � .. . I� � � I �' � ll�l� � I/ /" ` �/�/� ` /\\�� lI �I '��1��/I��/ � __ � ...� .' -... ` � �� I � - � / � • , ` _ � �� TEMPORARY DETAIL SNEETEC03 � � LOW WATER FORD. SEE ` � V/r� l /�I��I I � I I / / _ — . . .. ___ .� � _..._ . / ��-- � ` � �� 1/ll�� / � �� ,�I � ---� �---- ----- � . I � � I��III� I� �_ _ � ' - -- � I ��I�III��/�� / � ��, i� �� i%�� __ -_ � � �� I lll � ��l �� I / � l J �/ �� /ii� � � � � � � . ` ` � - _ � I �� ( Illl�l��l�/ / / I /� SILTFENCE�TVP -� > // �r//�� r� �// � . — �- _ - _ I �� I�llll��l�l � i i / � �/ i � l i/i � � � - -- ___ - __ J / / _ � � � � � � �� /��I / / � � / / / /�/ - - — ^�� _ � � A � l �� -7 /� �/ � I /�/ � .. ` -_ _ . � - � �II I��lllll�I��I� 1�� I i MECPW#B7R4COZNTY \ __ //// �//� � ` - _ i � I�� / /// � I �I� I D814587PG609 � / � i / � / �� /��/,%� � � � � iii � �iliii��i� i�� i � ` _ � /� i � �� j � �� i i � i � , ` _ , — / i � �� ii� �� ♦ i ii i iii � i i i , �li � �i�iiij� i i i �il i � �� / i� i' �� i;�- � � — iu � .�i�iiii i �i��i � j � i �`— - ` �� / \ � � ` � �� % � � �� ,�� II � il /ll� � l,/ / � i � ,� � � =__� � �� i �� i� � %��. __ � . . —_.— �� .. . �-. _ ` � --,\ �, —_'— - . ' _ -_ � l _—_ �� / ��_ ��' ;%��i% � �j� � � � � �� '� �i ��j � � _ _ � � � � _ � � � i� �� r � j �� %�� -- �i� � " J -- i � � � �� G i,, _' _ ♦ , i � ,, i r% Q- � � � - � � i ��/ P � , PROPOSED EROSION CONTROL INFO ' �Q` � �--_, � � , — �� %� i - � i iii � � � ''- � � �� ,i - > > TEMPORARY DIVERSION DITCH �� ii% � � �/�i/� � /J l� �/ � � � �\ � � � � � � � � DISTURBED AREA �� / �� ;�'� � � �i�� LAYDOWNAREA#6 � CONSTRUCTION OF THE TRAIL, WALLS, BOARDWALKS, AND STREAM � / 644 PROPOSED CONTOURS RcSTORA710N ITEMS MAY REQUIRE THAT THE CONTRACTOR Tp � ---� ' ��, �, EXISTING CONTOURS PF TREE PROTECTION FENCE —�� SILT FENCE � SPECIAL SEDIMENT CONTROL FENCE CONSTRUCTION ENTRANCE ` t r-. ; �:I RIP RAP APRON FILTER BAG WLET PROTECTION CLDSM 30.�5 cZOCK INLET SEDIMENT TRAP —>-� >�� — ROCK CHECK DAM, TYPE A > �>� ROCK CHECK DAM, TYPE B - COIR FIBER MATTING STRAW MATTMG SEE SHEEic EC-04 THRU EC-04 FOR NOTES AND DETAILS TEMPORARILY WORK IN THE WET- THIS WORK MAY CAUSE A TEMPORARY INCREASE IN TURBIDITY�, HOWEVER THE CONTRACTOR WILL MAKE ATTEMPTS TO LIMIT THE DISTURBANCE AS MUCH AS PRACTICAL. BECAUSE OF THE URBAN NATURE OF THE CORRIDOR AND BACKWATER EFFECT OF ROCK SILT CHECKS, NONE IS PROPOSED FOR IN STREAM DURING ANY OF THE CONSTRUCTION ACTIVITIES. TEMPORARY LOW WATER FORD CROSSINGS PER DETAIL 6JOA OF THE NCDNR MANUAL MAY BE IMPLEMENTED FOR THESE CROSSINGS. CONiRACTOR TO INSTALL iMPERVi0U5 DIKES ALONG THE STREAM AS NEEDED AND UTILIZE SPECIAL STILLWG BASWS FOR DEWATERING. STABILIZE ALL SLOPES 3-1 AND GREATER WITH MULCH AND SEED AS NOTED IN PROPOSED CONTOURS SHOWN AS EROSION CONTROL DEIAILS APPROXIMATE ONLY TO ILWSTRATE STABILIZE AS SHOWN (UNLESS OTHERWISE G�NERAL FLOW PATHS. SEE CROSS SECTIONS FOR ACTUAL ELEVATIONS NOTED) ON THIS PLAN WITHIN 14 DAYS OF COMPLETION PER EROSION CONTROL NOTES DO NOT INSTALL FILTER BAG INLET PROJECTION UNTIL GRADING [3CGINS ACREAGE SUMMARY THAT WILL REQUIRE TNE PROJECT DISTURBED AREA PROTECTION ±14.39 ACRES :�o�S� ESSRp�'� � " �¢e S j _ ..t rti; ' �9'� t�a• :�EeP,+�•�` ..� QC�'+f,EF CLA�N��.�`��. t �� o � z a � � � � w M . � � � MECKLENBURG COUNTY ' � i � �i � PIN# 171-18139 . 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