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HomeMy WebLinkAbout20120681 Ver 1_401 Application_20120712RM 20120681 Setting the Standard for Service Geotechnical Construction Materials Environmental Facilities NC Registered Engineering Firm F 1078 July 9 2012 Ms Karen Higgins NC DWQ 401/Wetlands Unit TT 512 North Salisbury Street Archdale Building — 9T" Floor ( LTV Raleigh North Carolina 27604 �J Subject Pre Construction Notification Application Request for 401 Water Quality Certification PJUL�i 0�� Proposed Sewer Line — Knox Road McLeansville Guilford County North Carolina ECS Project 09 19885 1 2012 Dear Ms Higgins Please find five copies of the Pre Construction Notification Application for the above referenced site The site is an approximate 10 000 linear foot sewer line extension located near Knox Road in McLeansville The purpose of the project is to extend City of Greensboro sanitary sewer services north of Interstate 40 to properties along Knox Road/Stewart Mill area Previously ECS included information about a future sewer line in a permit application for Project Stingray a property proposed for development with a data center (applicant Holder Construction Company application dated 06/22/2011) Currently the use of the property for a datacenter may not occur However the City of Greensboro is going to proceed wrth the installation of the sewer line to serve the current and future residenfiaVcommerciaUndustnal development in the area The proposed sewer line is going to be installed independently of the proposed data center (whether constructed or not) and should therefore be reviewed as a separate and independent project Tributaries to Little Alamance Creek and wetlands are located within the proposed sewer line corridor In order to identify the area of least impact ECS delineated approximately 2,000 linear feet of stream channel and approximately 5 acres of wetlands The delineation was used to determine the final alignment of the sewer line while avoiding and minimizing impacts to jurisdictional waters Due to topographic limitations and other variables in order to install the sewer line it is necessary to temporarily impact 81 linear feet of stream channel and 0 005 acres of wetland In addition it is necessary for a concrete support associated with an aerial crossing to be installed in one of the stream channels Temporary coffer dams will be used to pump around the construction areas during the installation of the sewer line There are no other stream or wetland impacts anticipated One stream crossing utilizes an existing roadway /culvert (Exhibit Sheet 8 Buffer Impact 1) This crossing was designed as near to perpendicular such that portions of the existing roadway could be used as a vehicle maintenance easement (thus reducing stream impacts) The crossing has been designed to impact approximately 300 square feet of Zone 1 and 200 square feet of Zone 2 buffer and utilize approximately 1 000 square feet of existing roadway within the buffer limits This crossing was designed at a non perpendicular angle to use the existing 4811 Koger Boulevard Greensboro NC 27407 T 336 856 7150 F 336 856 7160 www ecslimited com ECS Carolinas LLP ECS Florida LLC ECS Mid Atlantic LLC ECS Southeast LLC ECS Texas LLP Section 401 Permuting Proposed Sewer line — Knox Road McLeansville Guilford County North Carolina ECS Project 0919885 roadway /culvert to minimize additional stream wetland and buffer impacts Two alternative crossing locations have been were evaluated One alternative crossing would impact an additional 125 square feet of buffer compared to the proposed crossing The other alternative crossing would have additional wetland impacts compared to the proposed crossing Based on a net reduction to the stream and buffer impacts by designing the crossing in an area where the stream and associated buffers have already been impacted mitigation is not warranted or proposed However due to the non perpendicular crossing written concurrence from the NCDENR DWQ is required On behalf of the City of Greensboro, I am requesting that a 401 Water Quality Certification be issued to authorize the temporary impact to 81 linear feet of stream channel and 0 005 acres of wetland The attached Permit application and associated exhibits provide details pertaining to the projectlimpacts With the exception of one sewer line crossing (located within an existing driveway /culvert crossing where the stream and buffer have been previously impacted) the crossings have been designed perpendicular to the streams and associated buffers The permanent easements have been designed to be 10 feet in width The temporary construction easements have been designed to be 40 feet wide or narrower A courtesy copy of the permit application is being provided to the NCDWQ for review Please feel free to contact me at (336) 856 -7150 if you have any questions concerning this request or if additional information is required Thank you in advance for your timely consideration of this matter Sincerely ECS Carolinas, LLP ykq� T Michael T Brame PWS Senior Environmental Scientist Attachment Pre Construction Notification Application 401 Water Quality Certification Fee $240 00 PA O�0� WAT§? O T 2 0 1 2068 1 Office Use Only Corps action ID no DWQ project no Form Version 1 3 Dec 10 2008 Page 1 of 15 PCN Form — Version 1 3 December 10 2008 Version Pre - Construction Notification (PCN) Form A Applicant Information 1 Processing la Type(s) of approval sought from the Corps ®Section 404 Permit El Section 10 Permit lb Specify Nationwide Permit (NWP) number 12 or General Permit (GP) number 1c Has the NWP or GP number been verified by the Corpse ❑ 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 le Is this notification solely for the record because written approval is not required? For the record only for DWQ 401 Certification N Yes ❑ No For the record only for Corps Permit ❑ Yes ® No if Is payment into a mitigation bank or in lieu fee program proposed for mitigation of impacts If so attach the acceptance letter from mitigation bank or in lieu fee program ❑ Yes ® No 1g Is the project located in any of NC s twenty coastal counties If yes answer 1 h below ❑ Yes ® No 1h Is the project located within a NC DCM Area of Environmental Concern (AEC)? ❑ Yes ® No 2 Project Information 2a Name of project Proposed Sewer Line Stewart Mill /Knox Road 2b County Guilford W lull 2c Nearest municipality /town McCleansville 2d Subdivision name LDENR 2e NCDOT only T I P or state project no t:R pV MW Branch 3 Owner Information 3a Name(s) on Recorded Deed The proposed sewer line crosses portions of parcels that are owned by multiple owners View Attachments 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 15 PCN Form — Version 1 3 December 10 2008 Version 4 Applicant Information (if different from owner) 4a Applicant is ® Agent ❑ Other specify 4b Name Mr Michael Borchers 4c Business name (if applicable) City of Greensboro 4d Street address P O Box 3136 4e City state zip Greensboro NC 27402 3136 4f Telephone no 336 373 2494 4g Fax no 336 412 6305 4h Email address mike borchers@greensboro nc gov 5 Agent/Consultant Information (if applicable) 5a Name Bradley Luckey 5b Business name (if applicable) ECS Carolinas LLP 5c Street address 4811 Koger Boulevard 5d City state zip Greensboro NC 27407 5e Telephone no (336) 856 7150 5f Fax no (336) 856 7160 5g Email address bluckey @ecslimited corn Page 2 of 15 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) Multiple Owners View Attachments lb Site coordinates (in decimal degrees) Latitude 36 063842 Longitude 79 645905 (DD DDDDDD) ( DD DDDDDD) 1c Property size NA Linear Project acres 2 Surface Waters 2a Name of nearest body of water (stream river etc ) to proposed project Little Alamance Creek 2b Water Quality Classification of nearest receiving water WS V nutrient sensitive waters 2c River basin Cape Fear Page 3 of 15 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 The site contains wooded land and fields Surrounding properties contain a church residences wooded land and fields 3b List the total estimated acreage of all existing wetlands on the property ECS delineated the proposed sewer line corridor during the preliminary planning process The sewer line was designed to avoid and minimize impacts to the jurisdictional areas Approximately 5 acres of wetlands were delineated Two small wetland pockets located within the easement that will be impacted due to project constraints are 0 005 acres in area The pockets will be restored to the existing grade and will continue to function as wetlands However the pockets will be converted from bottomland hardwood to low lying herbaceous vegetation 3c List the total estimated linear feet of all existing streams (intermittent and perennial) on the property ECS delineated the proposed sewer line corridor during the preliminary planning process Approximately 2 000 linear feet of stream channel were delineated The stream channel located within the easement that will be impacted will be 81 linear feet in length The impacts will be temporary with the exception of a concrete pier that must be placed into one of the streams to support an aerial crossing The other stream crossings will have rip rap buried in the existing channel for stabilization and use for crossing the stream to maintain the easement 3d Explain the purpose of the proposed project The purpose of the project is to extend City of Greensboro sanitary sewer services north of Interstate 40 to properties along Knox Road/Stewart Mill area The extension is approximately 10 000 linear feet 3e Describe the overall project in detail including the type of equipment to be used The site contains undeveloped wooded land and fields The project consists of the installation of approximately 10 000 linear feet of sanitary sewer line adjacent to an unnamed tributary to Little Alamance Creek The proposed sewer line will impact 81 linear feet of stream and 0 005 acres (218 square feet) of wetlands The proposed sewer will have two aerial stream crossings One aerial crossing will consist of two 300 foot sections of sewer line positioned on piers spaced on 40 foot intervals Per design the ductile iron pipe must have a support for every 40 feet One stream that must be crossed is approximately 40 feet wide Placing the piers on the edges of the stream will damage both banks of the stream as well as the bed in two locations be subject to scour and contribute sediment into the stream and have greater impact to the stream Therefore the pier is designed to be placed near the center of the stream The second aerial crossing will be placed through the banks of a stream approximately three feet above the ordinary high water mark The crossing will be stabilized by placing footers within the banks and rip rap beneath the bed of the stream The remaining stream crossings will be excavated and stabilized below the natural elevation of the stream bed The elevations of the bed and banks of the stream will be returned to pre construction elevations after the installation of the proposed sewer line and the exposed bed/banks will be stabilized with matting and vegetated with grass immediately following installation of the line Sods will be stockpiled in upland areas adjacent to the crossings and will be used to backfdl the excavated trench /buried line The sewer lines have been designed to cross perpendicular to the streams in accordance with NCDWQ guidelines A10 foot permament maintenance crossing is being proposed at each of the stream crossings Temporary construction easements ranging between 30 and 40 feet will be used at each of the stream crossings (in accordance with exempt activities for underground utility stream /buffer crossings in the NCDENR Red Book Jordan Lake Buffer Rules) In upland areas the permenant sewer easement and temporary construction easements will be greater than at the stream /wetland/buffer crossings Haulers loaders excavators cranes and other heavy equipment will be used to clear and grade the site and install the sewer lines Coffer dams will be installed in each of the construction areas and water will be pumped around to prevent sediment from entering the stream Page 4 of 15 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 E] No El Unknown Comments A portion of the proposed project was verified by Mr Andy Williams USACE and Ms Sue Homewood NCDENR DWQ on September 1 2010 4b If the Corps made the jurisdictional determination what type ®Preliminary El Final of determination was made? 4c If yes who delineated the jurisdictional areas? Agency /Consultant Company ECS Carolinas LLP Name (if known) Michael Brame and Brad Luckey Other 4d If yes list the dates of the Corps jurisdictional determinations or State determinations and attach documentation September 1 2010 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 One property that the sanitary sewer line will cross is an approximate 45 acre tract that was proposed for development A permit has been issued for a temporary road crossing on a portion of the tract (Project Stingray SAW 2011 01285) The proposed sewer line and permenant road crossing were initially planned to be the second phase of Project Stingray However the construction of the data center may not occur and the City of Greensboro has decided to proceed with the extension of the proposed sewer line to provide sewer services to current and future residential /commercialrndustrial development in the vicinity of the site To meet the needs of the City of Greensboro the proposed sewer line is going to be constructed independently of the proposed data center (whether constructed or not) and should therefore be reviewed as a separate and independent project 6 Future Project Plans 6a Is this a phased project? ❑ Yes ® No 6b If yes explain One property that the sanitary sewer line will cross is an approximate 45 acre tract that was proposed for development A permit has been issued for a temporary road crossing on a portion of the tract (Project Stingray SAW 2011 01285) The proposed sewer line and permenant road crossing were initially planned to be the second phase of Project Stingray However the construction of the data center may not occur and the City of Greensboro has decided to proceed with the extension of the proposed sewer line to provide sewer services to current and future residential /commercial /industrial development in the vicinity of the site To meet the needs of the City of Greensboro the proposed sewer line is going to be constructed independently of the proposed data center (whether constructed or not) and should therefore be reviewed as a separate and independent project Page 5 of 15 PCN Form — Version 1 3 December 10 2008 Version C Proposed Impacts Inventory 1 Impacts Summary la Which sections were completed below for your project (check all that apply) ® Wetlands ® Streams tributaries ® Buffers ❑ Open Waters ❑ Pond Construction Page 6 of 15 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) or (if known) DWQ —non 404 other) (acres) Temporary T W1 ❑ P ®T Utility Line Bottomland Hardwoods ®Yes Corps 0 004 Crossing ❑ No ® DWQ W2 ❑ P ®T Utility Line Bottomland ® Yes ® Corps 0 001 Crossing Hardwood E] No ® DWQ W3 ❑ P ❑ T ❑ Yes ❑ Corps ❑ No ❑ DWQ W4 ❑ P ❑ T ❑ Yes ❑ Corps ❑ No ❑ DWQ W5 ❑ P ❑ T ❑ Yes ❑ Corps ❑ No ❑ DWQ W6 ❑ P ❑ T ❑ Yes ❑ Corps ❑ No ❑ DWQ 2g Total wetland unpacts 2h Comments The proposed sewer line was designed to avoid impacts to the majority of wetlands located within the evaluated corridor However it is necessary to impact two wetland pockets for a cumulative impact to 0 005 acres of wetland Approximately 0 004 acres of wetland will be impacted by the permanent sewer line easement (exhibit sheet 7) Approximately 0 001 acres of wetland will be impacted by excavation assoicated with a stream crossing (exhibit sheet 6) The proposed alignment of the sewer line can not avoid this wetland impact due to a large topographic gradient to the west of the proposed sewer line alignment The natural elevation of the wetlands that will be impacted by the proposed sewer line will be restored to pre construction elevations The wetlands are bottomland hardwoods that will be converted to low lying herbaceous Due to the proposed wetland impacts being less than one tenth of an acre mitigation should not be required 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 of jurisdiction Average Impact number (PER) or (Corps 404 10 stream length Permanent (P) or intermittent DWQ — non 404 width (linear Temporary (T) (INT)? other) (feet) feet) S1 ❑ P ®T Utility Line Unnamed ® PER ® Corps 8 81 Crossing ❑INT ❑ DWQ S2 ❑ P ❑ T ❑ PER ❑ Corps ❑ INT ❑ DWQ S3 ❑ P ❑ T []PER ❑ Corps ❑ INT ❑ DWQ S4 ❑ P ❑ T ❑ PER ❑ Corps ❑ INT ❑ DWQ S5 ❑ P ❑ T ❑ PER ❑ Corps ❑ INT ❑ DWQ S6 ❑ P ❑ T ❑ PER ❑ Corps ❑ INT ❑ DWQ 3h Total stream and tributary unpacts 81 31 Comments The proposed sewer line has been designed to cross streams at nine locations that have cumulative stream impacts to 81 linear feet of stream channel (see attached Stream Impact Table) The stream crossings are aligned to cross the streams at nearly perpendicular (90 degree) intersections Two stream crossings have been designed to cross streams aerially on piers The first aerial crossing is designed to be supported on piers spaced on 40 feet intervals (exhibits sheets 2 and 3 ) The stream crossing was designed to position a pier in the stream channel to avoid erosion and scour during heavy Page 7 of 15 PCN Form — Version 13 December 10 2008 Version rain events around piers placed in proximity to the stream banks The second aerial stream crossing has been designed to be supported by 10 feet by 6 feet by 12 feet foundations constructed outside of the stream limits to span the stream channel (exhibit sheet 5) This crossing was designed due to the large topographic gradients of the stream channel and areas east of the stream channel The two aerial stream crossings will impact 10 linear feet of stream channel with the installation of a 10 feet wide maintenace /vehicle crossing 6 inches below the native stream elevation The remaining seven stream crossings will impact a total of 71 linear feet of stream due to the installation of 10 foot wide vehicle /maintenance crossings (exhibit sheets 4 6 8 9 10 and 11) As shown on exhibit sheet 8 one stream crossing will be excavated beneath a culvert currently utilized as a road crossing and will impact one linear foot of stream channel This stream crossing was designed as close to 90 degrees as possible such that a vehicle /maintenance crossing would not be required (thus reducing stream impacts) At the remaining six stream crossings the proposed sewer line will be buried below the native elevation of the stream bed and banks Soils excavated from the stream bed and bank will be stockpiled in adjacent upland areas and used with stone to backfill the sewer line excavation such that the elevation of the beds and banks will be returned to their natural state The stream banks will be immediately stablized with vegetation and/or matting following the installation of the line /maintenance corridor Due to the proposed stream impacts being temporary and less than 150 linear feet mitigation should not be required 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 Temporary T 01 ❑ PEI T 02 ❑P ❑T 03 ❑P ❑T 04 ❑ PEI T 4f Total open water compacts 4g Comments Open water impacts are not proposed 5 Pond or Lake Construction If pond or lake construction proposed the complete the chart below 5a 5b 5c 5d 5e Wetland Impacts (acres) Stream Impacts (feet) Upland Pond ID Proposed use or purpose (acres) number of pond Flooded Filled Excavated Flooded Filled Excavated Flooded P1 P2 5f Total 5g Comments Constructed ponds or lakes are not being proposed 5h Is a dam high hazard permit required ❑ Yes ❑ No If yes permit ID no 51 Expected pond surface area (acres) 51 Size of pond watershed (acres) 5k Method of construction Page 8 of 15 PCN Form — Version 1 3 December 10 2008 Version 6 Buffer Impacts (for DWO) If project will impact a protected riparian buffer then complete the chart below If yes then individually list all buffer impacts below If any impacts require mitigation then you MUST fill out Section D of this form 6a ❑ Neuse ❑ Tar Pamlico ® Other Jordan 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) or for Stream name mitigation (square feet) (square feet) Temporary T impact required? B1 ❑ P ®T Utility Line Unnamed ❑ Yes ® No 300 200 Crossing B2 ❑ P ❑ T ❑ Yes ❑ No B3 ❑ P ❑ T ❑ Yes ❑ No 6h Total buffer impacts 300 200 61 Comments The proposed sewer line alignment crosses the streams at nearly perpendicular (90 degrees) intersections The aerial and underground stream crossings have been designed to temporarily impact 40 linear feet (or less) of riparian buffer Permanent easements (maintenance corridors) have been designed to be 10 feet wide The existing wooded land within the permenant easements will be planted in low lying herbaceous vegetation that can be mowed Buffer mitiation should not be required due to stream/buffer crossings being designed in accordance with exempt activities for aerial and underground perpendicular utility crossings in the NCDENR Red Book Jordan Lake Riparian Buffer Rules One stream crossing utilizes an existing roadway /culvert (Exhibit Sheet 8 Buffer Impact 3) This crossing was designed as near to perpendicular such that portions of the existing roadway could be used as a vehicle mamtenace easement (thus reducing stream impacts) The crossing has been designed to impact approximately 300 square feet of Zone 1 and 200 square feet of Zone 2 buffer and utilize approximately 1 000 square feet of exisitmg roadway within the buffer limits This crossing was designed at a non perpendicular angle to use the exisitmg roadyway /culvert to minimize additional stream wetland and buffer impacts Two alternative crossing locations have been were evaluated One alternative crossing would impact an additional 125 square feet of buffer compared to the proposed crossing The other alternative crossing would have additional wetland impacts compared to the proposed crossing A drawing that shows the alternate locations is included as an attachment Based on a net reduction to the stream and buffer impacts by designing the crossing in an area where the stream and associated buffers have already been impacted mitigation is not warranted or proposed D Impact Justification and Mitigation 1 Avoidance and Minimization la Specifically describe measures taken to avoid or minimize the proposed impacts in designing project The proposed sewer line has been designed to minimize the number of stream crossings and subsequently stream /wetland /buffer impacts One stream crossing has been designed to cross a stream section underground at a culvert being used as a road crossing thus eliminating the need for a 10 foot wide maintenace corridor and additional stream impacts The stream crossings are at or near 90 degree angles The aerial stream crossings have been designed to limit riparian buffer impacts The temporary construction easements are 30 and 40 feet for the aerial stream crossings and the underground crossings do not exeed 40 feet with the majority being 30 feet Permanent easements and maintenance corridors have been designed to not exceed 10 feet Permanent easements will be replanted with low lying herbaceous vegetation that can be mowed immediately following the sewer line installation The vehicle /maintenance crossings have been designed so that excavated soils will be stockpiled in upland areas and used to backfdl the trench/hne The elevation of the stream channel will be returned to its natural elevation Slopes will be stablized by creating 31 slopes Rip rap will not be placed above the normal high water mark Stabilization measures above the normal high water mark will consist of approved matting and/or vegtative cover Exhibit sheet 13 shows the plans for the permanent vehicle /maintenance crossings The project area contains approximately 5 acres of wetlands and 2 000 linear feet of stream channel The proposed sewer line corridor is approximately 10 000 feet in length The proposed sewer line has been designed to avoid and minimize the impacts Page 9 of 15 PCN Form — Version 1 3 December 10 2008 Version to streams and wetlands within the project area One stream crossing utilizes an existing roadway /culvert (Exhibit Sheet 8 Buffer Impact 1) This crossing was designed as near to perpendicular such that portions of the existing roadway could be used as a vehicle maintenace easement (thus reducing stream impacts) The crossing has been designed to impact approximately 300 square feet of Zone 1 and 200 square feet of Zone 2 buffer and utilize approximately 1 000 square feet of existing roadway within the buffer limits This crossing was designed at a non perpendicular angle to use the existing roadyway /culvert to minimize additional stream wetland and buffer impacts Two alternative crossing locations have been were evaluated One alternative crossing would impact an additional 125 square feet of buffer compared to the proposed crossing The other alternative crossing would have additional wetland impacts compared to the proposed crossing Based on a net reduction to the stream and buffer impacts by designing the crossing in an area where the stream and associated buffers have already been impacted mitigation is not warranted or proposed 1 b Specifically describe measures taken to avoid or minimize the proposed impacts through construction techniques The clearing limits will be staked and silt fence will be used The vehicle /maintenace crossings have been designed so that excavated soils will be stockpiled in upland areas and used to backfill the trench line /maintenance corridor The stream channel will be returned to its natural elevation following the installation of the vehicle /maintenance crossings Slopes will be stabilized by creating 31 slopes Rip rap or stone will not be placed above the normal high water mark Stabilization measures above the normal high water mark will consist of approved matting and/or vegtative cover Exhibit sheet 13 shows the plans for the permanent vehicle /maintenance crossings Temporary coffer dams will be installed upgradient of the proposed maintenance corridor The temporary coffer dams will be constructed using earth and stone berms During construction water will be pumped around the construction area into sediment traps (or sediment bags) prior to being discharged downgradient of the construction area Upon completion of the sewer line installation the temporary coffer dams will be removed Following construction disturbed slopes will be stablized with permanent seeding matting and temporary slopes linings Best Management Practices (BMPs) willl be implemented during construction activities to avoid sediment discharge into downgradient streams and wetlands Exhibit sheet 12 generated by Stimmel Engineering shows the temporary creek crossing (pump around system) 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 mingathon is required by (check all that apply) ❑ DWQ ❑ Corps ❑ Mitigation bank 2c If yes which mitigation option will be used for this project El Payment to in lieu fee program ❑ Permittee Responsible Mitigation 3 Complete if Using a Mitigation Bank 3a Name of Mitigation Bank 3b Credits Purchased (attach receipt and letter) Type Quantity Page 10 of 15 PCN Form — Version 1 3 December 10 2008 Version 3c Comments 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 DWO 6a Will the project result in an impact within a protected riparian buffer that requires buffer mitigation? ❑ Yes ® No 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 Zone 6c Reason for impact 6d Total impact (square feet) Multiplier 6e Required mitigation (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 Buffer mitiation should not be required due to the stream/buffer crossings being designed in accordance with exempt activities for aerial and underground perpendicular utility crossings in the NCDENR Red Book Jordan Lake Riparian Buffer Rules or being designed to use an existing area to minimize the impacts Page 11 of 15 PCN Form — Version 1 3 December 10 2008 Version E Stormwater Management and Diffuse Flow Plan (required by DWO) 1 Diffuse Flow Plan la 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 Comments The proposed sewer line is not expected to generate /concentrate stormwater Existing diffuse flow is not expected to be altered or changed during or after construction If diffuse flow is not maintained throughout the riparian buffers ❑ Yes ® No during construction activities then periodic corrective actions to restore diffuse flow will be designed to impede the formation of erosion gullies and ensure that diffuse flow is maintained throughout the riparian buffer during construction activities Therefore a diffuse flow plan should not be required 2 Stormwater Management Plan 2a What is the overall percent imperviousness of this project? % 2b Does this project require a Stormwater Management Plan? ❑ Yes ® No 2c If this project DOES NOT require a Stormwater Management Plan explain why An increase in impervious surfaces is not expected due to the installation of the proposed sewer line Stormwater should not be generated/concentrated during or after construction activities Therefore a stormwater mangement plan should not be required 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 governments jurisdiction is this project? Guilford County ® Phase II 3b Which of the following locally implemented stormwater management programs ❑ NSW ❑ USMP apply (check all that apply) ❑ Water Supply Watershed ❑ Other 3c Has the approved Stormwater Management Plan with proof of approval been ❑ Yes ® No attached? 4 DWQ Stormwater Program 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 DWO 401 Unit Stormwater Review Page 12 of 15 PCN Form —Version 1 3 December 10 2008 Version 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 F Supplementary Information 1 Environmental Documentation (DWO Requirement) la Does the project involve an expenditure of public (federal /state/local) funds or the ® Yes ❑ No use of public (federal /state) land? lb 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)? 1c 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 To the best of our knowledge a NEPA or SEPA is not required 2 Violations (DWO 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 (DWO 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 The site is located in an area of Greensboro that is experiencing growth in residential commercial and industrial sectors As a result sanitary sewer services will be needed to accommodate current and future land owners in the area We are not aware of additional development that will result which will impact nearby downstream water quality 4 Sewage Disposal (DWO 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 Wastewater will not be generated by the proposed action Page 13 of 15 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? ECS consulted the Natural Heritage Program Website to determine if Federally Protected Endangered or Threatened species inhabit the site quadrangle The site is located on the Mcleansvdle NC Quadrangle There are no Federally Listed Endangered or Threatened species identified on the Mcleansvdle NC Quadrangle ECS contacted the US FWS concerning impacts to Federally Protected Endangered or Threatened species that may be located within the project area The USFWS service requested that a detailed study be performed to identify the presence of Small Whorled Pogonia Habitat Restoration and Assement Professionals (HARP) has performed a detailed study for the project site HARP s study did not identify the Small Whorled Pogorna or suitable habitat for the species on the site A copy of HARP s report is included as an attachment 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? The NCDENR has classified the watershed that includes the site as WS V nutrient sensitive waters The endangered species list does not identify protected fish species that inhabit waterbodies nearby the site Based on our knowledge of the site the project does not occur in or near an area designated as essential fish habitat 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 There are no structures located on the site that could be considered for historical preservation status ECS personnel have visited and walked the site in conjunction with a wetland delineation We have not observed artifacts on the site To the best of our knowledge the site and adjoining properties are not designated as having historic or cultural preservation status Page 14 of 15 PCN Form — Version 1 3 December 10 2008 Version 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 The proposed sewer line alginment is adjacent to an unnamed tributary to Little Alamance Creek The majority of the sewer line has been designed to avoid the 100 year flood plain However portions of the proposed sewer line will encroach into the 100 year floodplain To address the aerial crossings and their impacts to the floodplain a CLOMR study has been performed by Stimmel Associates PA The study has been performed and submitted to the agencies for approval 8c What source(s) did you use to make the floodplain determination? FEMA Flood Insurance Rate Map Panel Numbers 3710880400J 3710880300J and 3710881400J SW tai Appli nt/Agent s SIR ure Applicant/Agent s Printed Name Date (Agents signature is vale my if an authon n letter from the applicant is promded Page 15 of 15 PCN Form — Version 1 3 December 10 2008 Version I LU (n Of LU W t: Z < UJ Ld > Z LLJ 0 Ee Z < U E8.` (L u moo- *Olt* 0 _j _j z F- i-- U) z U. LLJ 0 ca z 0 LLJ z p > LU �L (n �e (0) 0 O L IN 44 "-4,st Lu t I < --i,o:c)t Zt/91/60 TT",a-v\c, 6iaP-Ilq!4-3 6-!se010 W-QJIS aP-140 8090—01\S-U91HX3 DNISSOdO "&S DRAWING NAME: P; \ 2010\ 100217 \Civ11 \100217 —ENG— C3D11.dwg — 30 —Inch Grov — PCN Exh2 — 5/17/2012 4:06 PM 50' RIPARIAN BUFFER (ZONE 2 A. 1 0+ Ofa'�; 30' RP IAN BIUF (ZONE 1) � TWO (2) 300 L.F. SECTIONS OF 30" SEWER PIPE ,T0 ` bE INSTALLED ON PIERS SHALL BE RIGID RESTRAIMED MECHANICAL JOINT DiPi PROP. 40' TEMP. CONSTi ESMT.— TEMP. SAND BAG II COFFER DAM �V TCE I 1 1 _ 14100 D" 45 BEND ., ,1 NA 6 Z 4 ,� I -t I L ^"r 10 L.F. OF PERMANENT STREAM IMPACT NOTES, OGNTTR�iA�CTOR SHALL UTILIZE "COG STD. 213 - TEMPORARY STREAM CROSSING" FOR CONSTRUCTION OF THE PROPOSED CONCRETE PIER WITHIN THE STREAM CHANNEL, FOLLOWING CONSTRUCTION, CONTRACTOR SHALL CONVERT TO "COG STD. 214 - PERMANENT CREEK STABILIZATION" WITH 10' WIDE MAINTENANCE CROSSING. USE CLASS II RIP -RAP, MIN. 18" DEPTH, WITH FILTER FABRIC UNDERLAYMENT. TOP OF RIP -RAP SHALL BE 6" BELOW EX. CREEK BOTTOM. DAyis • MARTIN POWELL ENGINEERS & SURVEYORS 6415 OLD PLANK RD, HIGH POINT, NC 27265 (336) 886 -4821 1 WWW.DMP- INC.COM I LICENSE: F -0245 CONCRETE PIERS SPACED 40' O.C. SEE SHT. S1 FOR DETAILS 2 +ols 4 _TCE -,- -10' MAI�ITEN CORRIDOR I17M 81UFFER ZONES ,F V NE 2) r CA R j 25�'5r -`' �•-. I INAL DRAV+lIhJ� RELEASE{ FOR CIt iFOR REYLEWAFPRUVAL RNLI' 0 4V 80' SCALE: 1" s 40' CITY OF GREENSBORO, NC STEWART MILL AND KNOX ROAD AREA OUTFALL AND WATER SYSTEM IMPROVEMENTS STREAM IMPACT EXHIBIT - PG. 2 OF 13 Irv, vit" � , r' h 30' RIPARIAN -� -� W:7- C� 70� FFER (ZONE 1 ) �50 T 0 �` 50' RIPARIj BUFFER (Zi 5 10 L.F. OF PERMANENT STREAM IMPACT NOTES, OGNTTR�iA�CTOR SHALL UTILIZE "COG STD. 213 - TEMPORARY STREAM CROSSING" FOR CONSTRUCTION OF THE PROPOSED CONCRETE PIER WITHIN THE STREAM CHANNEL, FOLLOWING CONSTRUCTION, CONTRACTOR SHALL CONVERT TO "COG STD. 214 - PERMANENT CREEK STABILIZATION" WITH 10' WIDE MAINTENANCE CROSSING. USE CLASS II RIP -RAP, MIN. 18" DEPTH, WITH FILTER FABRIC UNDERLAYMENT. TOP OF RIP -RAP SHALL BE 6" BELOW EX. CREEK BOTTOM. DAyis • MARTIN POWELL ENGINEERS & SURVEYORS 6415 OLD PLANK RD, HIGH POINT, NC 27265 (336) 886 -4821 1 WWW.DMP- INC.COM I LICENSE: F -0245 CONCRETE PIERS SPACED 40' O.C. SEE SHT. S1 FOR DETAILS 2 +ols 4 _TCE -,- -10' MAI�ITEN CORRIDOR I17M 81UFFER ZONES ,F V NE 2) r CA R j 25�'5r -`' �•-. I INAL DRAV+lIhJ� RELEASE{ FOR CIt iFOR REYLEWAFPRUVAL RNLI' 0 4V 80' SCALE: 1" s 40' CITY OF GREENSBORO, NC STEWART MILL AND KNOX ROAD AREA OUTFALL AND WATER SYSTEM IMPROVEMENTS STREAM IMPACT EXHIBIT - PG. 2 OF 13 DRAWING 5/17/201 NAME: 4:.06 P:\2010\100217\Civil\100217—ENG—C3Dll.dwg PM — 30 —Inch Grov — PCN Exh3 — i - z H ' T01 Mlolm JM 24, E AWE Ti I - RIM ( 00. EL--6(31 D 1 _ yv F D EL. _ 6 1.1 I 600 _- I - I 4 i •-_ I I t --- 1 - 7W 30 �._ PIP T d�10 I s STGILLED OF , i ( CONCRETE I_ AAD , I 14 0 C. -NEB- j- FI t MECwd N I -I "TO 4 �Lr _ ? D1 _77-7 45X i f I S I 1 40. f 40' 'LT s 40' t�r. � 1. I 590 1 rl A- f LL .......... i M-i S`TREAMI v� C OS51N " F qTE - — , f�OR!AO — - -� RI���vTRVlluc , 1 _ -- 1 I I CUIDW NG I COIN I ALTO ,4 _ £8N � 2 � _ _ ERMANEhS — _.._ ,- _T- XAMINTE TIE ..a ..i,, �S ` ` yR,, -, CR IN SE ! C II RI R -R� - 1 l t°'P� ': M ILTER7FABRl !.•` is i R �ppy���� FryM� �'�Q 1 575 6' EL w EEi B TloM 10 = +00 264.57 11 +00 12 +00 FINAL. DRAWING 4 o, ry Ii?I i?H.EdSEGFOR CONSTRUCTIOI R��� i p, - +I 1'Zot� POR REYIfWtA17R0Y41 GM.Y .SCALE: 1� S 40' HORIZ +er11,101 11" 4' VERT n DAvIs • MARTIN • OW' 1 LL CITY OF GREENSBORO, NC STEWART MILL AND KNOX ROAD AREA E N G I N E E R S & SURVEYORS 6415 OLD PLANK RD, HIGH POINT, NC 27265 OUTFALL AND WATER SYSTEM IMPROVEMENTS (336) 886 -4821 1 WWW•DMP- INC.COM I LICENSE: F-0245 STREAM IMPACT EXHIBIT - PG. 3 OF 13 date: 2I29/2012 1Ob #: 10 -060B project: STEWART MILL AND KNOX ROAD AREA OUTFALL AND WATER SYSTEM IMPROVEMENTS scale: 1 ° =40' sheet 4 of 13 deSCgpQt!o t: STREAM IMPACT EXHIBIT JJ Mh IUJ J 11U4 k _ , r r k f�QN� OFF SUF-F-�q roe r t 10' JNT�" CE 11 \ r COR�D4R ` COG STD. 214 r \ r \ 10' WIDE PERMANENT CREEK STABILIZATION/ MAINTENANCE C SSING - \ ` l� 2 + 0 On SS r- Ss \ r Ss ss 610 605 Pi MN 595 18 +50 SSMH ,1'03 04111101; CA t L 411$ `J tSMH #103 1 STA = 18 +96.00 RIM = 608.88 C/I INV = 597.71 PUN TEMP ' TEMPO RAW C0N TRUCTI iJ EASEkENT I ' SSM # 104 TWP SAND BAG .-COFF GAMS 10 V Of � STREAM IWP T N Trade Street St i m m e l Suite Suite 200 SANDBAGS Wnston Salem NC Landscape Architecture 271012916 Civil Engineering — - - - -- Stimmel Associates, PA Land Planning P 336 723 1067 F 336 723 1069 date: 2I29/2012 1Ob #: 10 -060B project: STEWART MILL AND KNOX ROAD AREA OUTFALL AND WATER SYSTEM IMPROVEMENTS scale: 1 ° =40' sheet 4 of 13 deSCgpQt!o t: STREAM IMPACT EXHIBIT JJ Mh IUJ J 11U4 k _ , r r k f�QN� OFF SUF-F-�q roe r t 10' JNT�" CE 11 \ r COR�D4R ` COG STD. 214 r \ r \ 10' WIDE PERMANENT CREEK STABILIZATION/ MAINTENANCE C SSING - \ ` l� 2 + 0 On SS r- Ss \ r Ss ss 610 605 Pi MN 595 18 +50 SSMH ,1'03 04111101; CA t L 411$ `J tSMH #103 1 STA = 18 +96.00 RIM = 608.88 C/I INV = 597.71 PUN TEMP ' TEMPO RAW C0N TRUCTI iJ EASEkENT I ' SSM # 104 TWP SAND BAG .-COFF GAMS 10 V Of � STREAM IWP T CONSTRUCTION SEQUENCE: 1. SSMki #104 610 SANDBAGS STA = 20 +24.40 BYPASS STREAM FLOW AROUND -- — — — - - - -- �. RIM = 607.19 C/'I INV =. 597.90 PLACE STREAM STA8IUZATION STONE. ;. REMOVE COFFER DAMS TO RESTORE STREAM FLOW. 5 SEE SHEETS 12 & 13 FOR 6 BYPASS PUMPING AND 605 MAINTENANCE CROSSING MANEyT CREEK MAitiT NA'vC; `: STREAM ANV;_RT J_ '7a L: 0 "D��O 5� CONSTRUCTION SEQUENCE: 1. INSTALL COFFER DAMS USING 610 SANDBAGS 2 BYPASS STREAM FLOW AROUND SAND BAGGED AREA. 3, INSTALL SEINER LINE AND PLACE STREAM STA8IUZATION STONE. ;. REMOVE COFFER DAMS TO RESTORE STREAM FLOW. 5 SEE SHEETS 12 & 13 FOR 6 BYPASS PUMPING AND 605 MAINTENANCE CROSSING OETAI'_S. 600 595 19 +00 19 +50 20 +00 20 +50 Stimmel Landscape Architecture t., ;�,_ Civil Engineering Stimmel Associates, PA Land Planning 610 604 60C 595 590 29 1 TSTRU RARY ONSTRUCTION EASEMENT MI, 1% 601 N Trade Street date: 2/29/2012 job #: 10 -0608 Suite 200 Winston Salem K project: STEWART MILL AND KNOX ROAD AREA 27101.2916 P 336 723 1067 - -- OUTFALL AND WATER SYSTEM IMPROVEMENTS_ F 336 723 1069 scale: 1" = 40' sheet 5 of 13 description: STREAM IMPACT EXHIBIT ONE Z 'BUFFER : E 1�Z ,ONE . OFF TO 50 SS SSMK !106A P s IP MP G S 1 214 CR T L I ZATION -/ 1, E RMANQ 11 TE C_ 'CR05SINO N #1 *TEMP,NRY ,SAND w-. mms �� OF V+M W A.CT` 510 =f- ME 595 i 590 90 CONSTRUCTION SEQUENCE: 1. INSTALL COFFER DAMS USING SANDBAGS 2. BYPASS STREAM FLOW AROUND SAND BAGGED AREA. 3. INSTALL SEWER LINE AND PLACE STREAM STABILIZATION STONE. k REMOVE COFFER DAMS TO RESTORE STREAM FLOW. 5. SEE SHEETS 12 & 13 FOR 6. BYPASS PUMPING AND MAINTENANCE CROSSING i7E1Ai4{`i.11 ,o, 1M CAp �►R. C 107 SSM ST; = 30 +60,88 I C/1 INV 599,46 10 6'x12 "'FOOTING 218 tF -- — DIP 0 0.159 G - 77 — 274 L0 1.5% I H' 1-1 — MEC---O< R G! S -ABI' ZA-J`;/ 3E -Ow Ex S IING 00 29 +50 30 +00 30 +50 311+ 510 =f- ME 595 i 590 90 CONSTRUCTION SEQUENCE: 1. INSTALL COFFER DAMS USING SANDBAGS 2. BYPASS STREAM FLOW AROUND SAND BAGGED AREA. 3. INSTALL SEWER LINE AND PLACE STREAM STABILIZATION STONE. k REMOVE COFFER DAMS TO RESTORE STREAM FLOW. 5. SEE SHEETS 12 & 13 FOR 6. BYPASS PUMPING AND MAINTENANCE CROSSING i7E1Ai4{`i.11 ,o, 1M CAp �►R. C - ""10 MIU�FFEiVAtQG 30' TEMPORARY iSMH 1108 CORRIpOtt COKSTRUCili _ - EASEMENT SS - 5s�— 24" SF OF WEl` LAND' lM�AI;T '— TEMPORAWt AND BAG COFFER GAMS _ CONSTRUCTION SEQUENCE: 1. INSTALL COFFER DAMS USING SANDBAGS 2. BYPASS STREAM FLOW AROUND SAND BAGGED AREA. 3. INSTALL SEWER LINE AND PLACE STREAM STABILIZATION STONE. 4. REMOVE COFFER DAMS TO RESTORE STREAM FLOW. 5. SEE SHEETS 12 do 13 FOR 6. BYPASS PUMPING AND 615 MAINTENANCE CROSSING DETAILS. 61{ 60! 60C date: 5/16/2012 .�_ l b #: 10 -0608 project: STEWART MILL AND KNOX ROAD AREA OUTFALL AND WATER SYSTEM IMPROVEMENTS _ scale: V=40' sheet 6_ of 13 description: STREAM AND VVETLAND IMPACT EXHIBIT COC STD. 214 1V --WIDE Pi R -. Ltfi - CREEK I ?A' / _,- MAINTENANCE CROSSING 1 t�... tF UE STREAM IMPACT _ SCALE: 1 " = 40' 40 0 40 6wSA-m" 41 501 N Trade Street S t i m m e 1 Suite 200 Winston Salem NC Landscape Architecture 27101-2916 Civil Engineering Stimmel Associates, PA Land Planning P 336723 1067 F 336 723 1069 - ""10 MIU�FFEiVAtQG 30' TEMPORARY iSMH 1108 CORRIpOtt COKSTRUCili _ - EASEMENT SS - 5s�— 24" SF OF WEl` LAND' lM�AI;T '— TEMPORAWt AND BAG COFFER GAMS _ CONSTRUCTION SEQUENCE: 1. INSTALL COFFER DAMS USING SANDBAGS 2. BYPASS STREAM FLOW AROUND SAND BAGGED AREA. 3. INSTALL SEWER LINE AND PLACE STREAM STABILIZATION STONE. 4. REMOVE COFFER DAMS TO RESTORE STREAM FLOW. 5. SEE SHEETS 12 do 13 FOR 6. BYPASS PUMPING AND 615 MAINTENANCE CROSSING DETAILS. 61{ 60! 60C date: 5/16/2012 .�_ l b #: 10 -0608 project: STEWART MILL AND KNOX ROAD AREA OUTFALL AND WATER SYSTEM IMPROVEMENTS _ scale: V=40' sheet 6_ of 13 description: STREAM AND VVETLAND IMPACT EXHIBIT COC STD. 214 1V --WIDE Pi R -. Ltfi - CREEK I ?A' / _,- MAINTENANCE CROSSING 1 t�... tF UE STREAM IMPACT _ SCALE: 1 " = 40' 40 0 40 6wSA-m" 41 595 33+100 334 615 610 605 600 595 I A CWT MAINTENANCE _ - - - -- — CR4SSINC-0-6" BELOW LN'VER ry' -G STREAM IRlVERT• �° r 227. LF M-40 0 0 -T57 SSW- poa _ SSMH 109 ! A= r STA +p� -RANI = 615.08 _ _ RIM = 608.82 C/I INV = 599.87 C/I INV = 600.21 - 595 33+100 334 615 610 605 600 595 date: 2129/2012 _ -job #: jm6w project: STEWART MILL AND KNOX ROAD AREA OUTFALL AND WATER SYSTEM IMPROVEMENTS scale: I"=40' sheet 7 Of 13 description: WETLAND IMPACT EXHIBIT 4SMH 10a _ SCMH 110 SSMH #116 r 1 20' PERMAN� ��II T `� �� '1 � � I ' ., r: SEWER VkMENT SF OF WEfLAN05 IMPACT i 4 ti i `.V 9O 40' TEMP OR Ry '" CaNSTRI1CTl6N EASEMENT ,4 .t i t1�y1 v'1 1 LO TP SSWM #109 R SEAL 1d4AG _ SCALE: 1 " = 40' i , 0 40 601 N Trade Street S t i m m e f Suite ZDO Winston Salem NC Landscape Architecture 27101.2.916 Civil Engineering Stimmel Associates, PA Land Planning P 336 723 1067 F 336 723 1069 date: 2129/2012 _ -job #: jm6w project: STEWART MILL AND KNOX ROAD AREA OUTFALL AND WATER SYSTEM IMPROVEMENTS scale: I"=40' sheet 7 Of 13 description: WETLAND IMPACT EXHIBIT 4SMH 10a _ SCMH 110 SSMH #116 r 1 20' PERMAN� ��II T `� �� '1 � � I ' ., r: SEWER VkMENT SF OF WEfLAN05 IMPACT i 4 ti i `.V 9O 40' TEMP OR Ry '" CaNSTRI1CTl6N EASEMENT ,4 .t i t1�y1 v'1 1 LO TP SSWM #109 R SEAL 1d4AG _ SCALE: 1 " = 40' i , 0 40 date: 2/29/2012 job #: 10 -0608 project: STEWART MILL AND KNOX ROAD AREA OUTFALL AND WATER SYSTEM IMPROVEMENTS - scale: 1" = 40' sheet 8 of 13 description: STREAM AND WETLAND IMPACT EXHIBIT CONSTRUCTION SEQUENCE 11 1. INSTALL COFFER DAMS USING SANDBAGS 2 BYPASS STREAM FLOW AROUND SAND BAGGED AREA. 3 INSTALL SEWER LINE AND PLACE / J '� t � � roe IV STREAM STABILIZATION STONE_ 4 REMOVE COFFER DAMS TO R 10REI STREAM FLOW. � �` � ,' • 1u .'- t � � � � �( 5 SEE SHEETS 12 & 13 FOR 6. BYPASS PUMPING AND MAINTENANCE CROSSING DETAILS J'• 1 •� si Jt 1. 1 C _ K, ..r t COG STD. 214 10' WIDE PERMANENT GREEK 10' M STABI-iZ AT 6i/ MAINTENANCE CROSSINt- ; BYPASS PUMP 4 +00 r 1;� 1 —\- — X SSMH #111 STA = 41+78.84 RIM = 614.17 C/I INV = 601.42 61F 61C 6095 i' r SSMH '112 7+%1�� � '-n -� ...i / ,1` i�'- ,.. rte:•„ i. CJs, `l! SCALE: 1 " = 40' TEMPORARY SAND 40 0 41 BAG COFFER DAMS N Trade Street Stimmel Sude 200 Suite 1 WinSfon Salem NC Landscape Architecture 27101 -2916 Civil Engineering Stimmel Associates, PA Land Planning P 336 723 1067 F 336 723 1069 date: 2/29/2012 job #: 10 -0608 project: STEWART MILL AND KNOX ROAD AREA OUTFALL AND WATER SYSTEM IMPROVEMENTS - scale: 1" = 40' sheet 8 of 13 description: STREAM AND WETLAND IMPACT EXHIBIT CONSTRUCTION SEQUENCE 11 1. INSTALL COFFER DAMS USING SANDBAGS 2 BYPASS STREAM FLOW AROUND SAND BAGGED AREA. 3 INSTALL SEWER LINE AND PLACE / J '� t � � roe IV STREAM STABILIZATION STONE_ 4 REMOVE COFFER DAMS TO R 10REI STREAM FLOW. � �` � ,' • 1u .'- t � � � � �( 5 SEE SHEETS 12 & 13 FOR 6. BYPASS PUMPING AND MAINTENANCE CROSSING DETAILS J'• 1 •� si Jt 1. 1 C _ K, ..r t COG STD. 214 10' WIDE PERMANENT GREEK 10' M STABI-iZ AT 6i/ MAINTENANCE CROSSINt- ; BYPASS PUMP 4 +00 r 1;� 1 —\- — X SSMH #111 STA = 41+78.84 RIM = 614.17 C/I INV = 601.42 61F 61C 6095 i' r SSMH '112 7+%1�� � '-n -� ...i / ,1` i�'- ,.. rte:•„ i. CJs, `l! SCALE: 1 " = 40' TEMPORARY SAND 40 0 41 BAG COFFER DAMS 600 41 +50 -►c•rw t<tau 4.]tUU 43+50 615 610 60 5 600 44 +00 SSMH 112 A 43 +7 .02 - - - -- - ft, - 614.9 ! C/I INV = 601 71 - XtSTI, f NGI GR# )E- __ _._� - -- - - -- MAMMA- I I 1###,R PERMANENT CREEK J EgJ+{a STABILIZATION _y 741 CROSSING ® 6" 39LOW- E--XI --S IN STREAM INVERT E)IP a O.I Y 600 41 +50 -►c•rw t<tau 4.]tUU 43+50 615 610 60 5 600 44 +00 Stimmel Landscape Architecture Civil Engineering Stimmel Associates, PA Land Planning COG STD. 2.14 10' WIDE PERMANENT CREEK STABILIZATION/ J 1 J f / 1 1 n J / 1 . � 1 s SSMH #115 62C 615 r o 605 49 601 N. TradeStreeE date: 2129/2012 job #: 10 -0608 Suite 200 Winston Salem. NC project: STEWART MILL AND KNOX ROAD AREA 27101-2916 P 336.723 1067 — OUTFALL AND WATER SYSTEM IMPROVEMENTS F 336 723 1069 scale: V= 40' sheet 9 of 13 description: STREAM IMPACT EXHIBIT RWH 11ri - SRMH 11R -~ - ZONE 1 7 1$0' �} EIUF FEt�i r i P P Imp \ I1 CONSTRUCTION SEQUENCE: I. INSTALL COFFER DAMS USING SANDBAGS 2. BYPASS STREAM FLOW AROUND SAND BAGGED AREA. 3. INSTALL SEWER LINE AND PLACE STREAM STABILIZATION STONE. 4. REMOVE COFFER DAMS TO RESTORE STREAM FLOW. 5. SEE SHEETS 12 & 13 FOR BYPASS PUMPING AND MAINTENANCE CROSSING DETAILS. 30' TEMPORARY CONSTRU�TiON\ EASEMENT \\ f y' MMAINTENA.N CORRIDOR 57MH # 1 16 l vlPORARY \ \ \ SAND RAC • \ \ `. FFW "UAMa SCALE: 1 " = 40' 40 0 40 I out sty,;- i AIL N66 flflllttll�����,y +` I D5 0 i I M1 I 15 � S I ' t 4 +41 .2 RIM = X61 .39 4/11--INV r 606. i RMANENT CREEK q -- — - STABILIZATION/ - ....— ..___ -- NAIN7ENANC_ -� : „. CROSSING 0 6" 3-c -ow EXIST+w 5 , REAM INVERT - 3 _ 20° Jt? 0 0.I E +-00 49 +50 50 +00 50 +50 51+00 51 +° I out sty,;- i AIL N66 flflllttll�����,y +` I D5 0 date: 5/16/2012 i0b #. SQ4)6W project; STEWART MILL AND KNOX ROAD AREA OUTFALL AND WA fLR SYSTEM IMPROVEMENTS__ Scale: 1" = 40' sheet 10 Of 13 description; STREAM IMPACT EXHIB11 z 35' TEMPORAY 1 CONSTRUCTION -{ �- EASEMENT 5a, Y 57+04 � SS ss Jl i 55,VH 1-T9 — — — _- II� 10' MAINTEN., 625 620 615 610 1 4V l FONt 2 VF roe SSMH #120 .L 1 SS Six 0_ �. — , 0 \ \ . COG S 21 4� 10' WIDE ERMANEN'r \ OF qCREEK 5T tLIZATIQNJ j STREAM IMPACT { MAINTENANCE gROSSING N Trade SUeet St i m m e l SuV Su4e 200 5)UALL: 1 = 4U 'Ahnslon Salem NC Landscape Architecture 27101.2916 Civil Engineering 40 0 4 Stimmel Associates, PA Land Planning P 336 723 1067 F 336 723 1069 date: 5/16/2012 i0b #. SQ4)6W project; STEWART MILL AND KNOX ROAD AREA OUTFALL AND WA fLR SYSTEM IMPROVEMENTS__ Scale: 1" = 40' sheet 10 Of 13 description; STREAM IMPACT EXHIB11 z 35' TEMPORAY 1 CONSTRUCTION -{ �- EASEMENT 5a, Y 57+04 � SS ss Jl i 55,VH 1-T9 — — — _- II� 10' MAINTEN., 625 620 615 610 1 4V l FONt 2 VF roe SSMH #120 .L 1 SS Six 0_ �. — , 0 \ \ . COG S 21 4� 10' WIDE ERMANEN'r \ OF qCREEK 5T tLIZATIQNJ j STREAM IMPACT { MAINTENANCE gROSSING 125 i20 15 IG"_) 5)UALL: 1 = 4U SS PH 11 - -- 40 0 4 4 ST� =- RIM = 162d.55' C I = i 60.46 - — I -- —rt -- - — - _ +86.07 i I RIM = 62 .79 - -- , MIL w, ���ry1 /1Utµ�t,t•1ti PERMANENT CREEK - STABILIZATION/ r — - - -- - -- — - Me11ti.IENAN.CF_ CROSSINC 0 6" STREAM INVERT { ?j! = 2)" 9) D. 157, f50 57+00 57 +50 581M Wit 125 i20 15 IG"_) BYPASS 40' TEMP Y PUMP CONST CTION EASEMENT YD' A/AINTENA�CE C Uf>Hi10 ' r - s s �px60 SS A11 e1; s1{ date: 5/16/2012 _Lob #; 10 -0606 project: STEWART MILL AND KNOX ROAD AREA OUTFALL AND WATER SYSTEM IMPROVEMENTS _ scale: r' = 50' _sheet 11 — of 13 description: STREAM IMPACT EXHIBIT J Mti 1L1 - JJNIH ILL 4 0'r TEMPORARY SAND ;r. COFFER DAMS + 63 +0 ss, ss I I COG TD 214, \. ` J �T 117` DE PERMANENT `� S *H #1 CREEtC TABILI2AT101W f wi�■iuii�mmn�i 1. out N Trade Street 630 Stimmel Suite 200 BYPASS STREAM FLOW Winston Salem NC Landscape Architecture 27101 -2916 r Civil Engineering PLACE STREAM STABILIZATION Stimmel Associates, PA Land Planning F 336 727 1067 F 336 723 1069 BYPASS 40' TEMP Y PUMP CONST CTION EASEMENT YD' A/AINTENA�CE C Uf>Hi10 ' r - s s �px60 SS A11 e1; s1{ date: 5/16/2012 _Lob #; 10 -0606 project: STEWART MILL AND KNOX ROAD AREA OUTFALL AND WATER SYSTEM IMPROVEMENTS _ scale: r' = 50' _sheet 11 — of 13 description: STREAM IMPACT EXHIBIT J Mti 1L1 - JJNIH ILL 4 0'r TEMPORARY SAND ;r. COFFER DAMS + 63 +0 ss, ss I I COG TD 214, \. ` J �T 117` DE PERMANENT `� S *H #1 CREEtC TABILI2AT101W f wi�■iuii�mmn�i 1. INSTALL COFFER DAMS 630 USING SANDBAGS 2. BYPASS STREAM FLOW AROUND SAND BAGGED AREA. 3. INSTALL SEWER LINE AND PLACE STREAM STABILIZATION STONE. 4, REMOVE COFFER DAMS TO 625 RESTORE STREAM FLOW. 5. SEE SHEETS 12 & 13 FOR BYPASS PUMPING AND MAINTENANCE CROSSING DETAILS. tall Jim i v1TUV olrou 04ruu az*aw 53+00 CONSTRUCTION SEQUENCE: 1. INSTALL COFFER DAMS 630 USING SANDBAGS 2. BYPASS STREAM FLOW AROUND SAND BAGGED AREA. 3. INSTALL SEWER LINE AND PLACE STREAM STABILIZATION STONE. 4, REMOVE COFFER DAMS TO 625 RESTORE STREAM FLOW. 5. SEE SHEETS 12 & 13 FOR BYPASS PUMPING AND MAINTENANCE CROSSING DETAILS. 520 515 610 :CALL = 50 r 50 u 5t" l � � 505 PLIMP MEAM FLOW TEMP. ,?4 " rO 44 " CMP CLASS °I RIP' RAP PROPOSED EARTH BERM (TYP.) T4'MP, COW$rRuG•MN STREAM CROSSING FLOW -� MIN. _ MIN I Q� 4 I PROMSED 12 of 13 ARM BERM (T YP. ) ro,_ CLASS 'I- MIN. rD x so RrP AAf' SEDIMENT TRAP 0 2' ! SIDE SLOPE OR Sk T OAS 2' CLASS •A' CROSSING EROSION CONTROL PIPE STONE NErR — BO 40' CowrRUCTION EASEALm / 1 DENA ERING BASIN 2.' 1 SIOE SLOPE 10 OR SIL T PAG, MIN. 4'`�•�1�;' +" ; 4 EARTH BERM PL f Pa YEMYLENE FASUC (T YP.) y aV FACE (8 ML. TiHrM SAP TO , MINA rop BAND — — — — — — — �r��i, V ; OF FR�N 6 D Ur a ` EX. INV- /� TEMPORARY - CREEk STGAE OAh f90L METHYL ENE FARC ON CAGE (B ML, THrM -•.> G,RFJSSINf PIPE POLYETHYLENE FABRIC ON FACE (8 X. THICK) A INSTALL SANl18ASS IN PIPE 1XV -P'RF 6 FABRIC WHILE P(JMPl,VG --- AROUND DURING C0N9TF?UL'Troty IN sm6m_ B REMOVE SANL?BAGS 6 FABRIC PO ALLOY FLOM TH)90U'6H PIPE WHEN NOT PU+MPrNG AROUND - SECTION A -A C / T Y OF G R E E N S B O R O STANDARD MAPDRARY CRE'E'K M. ND. REV. Or-s1 06-037 MOSSING DURNG CONSTRUCTION , 03 -97 09 -05 03 -05 0 N 20 PERM, i 1 3 of 13 � I -^ - -- - EASAfENT (MIN. - - - - - -- - -I w 111 _ Y OP OF BANK J 7 STREAM FL ON I I NA TURAL �— GROUND RIP -RAP Cl�Cd5S1I�AG TYPICAL PIPE SYNTHETIC FIL TER FABRIC PLAN TOP OF BANK RIP RAP SHALL NOT EXTEND ABOVE NORMAL DRAINAGE DITCH OR SMALL STREAM HIGH WATER MARK SYNTHETIC FIL TER EX. INV. ' % " FABRIC (AS PER CREEK ''� ,' `� NCDOT SPEC #1056, °cr TYPE -2) CROS'S'ING PIPE FF, Wo �55� 9rsrr 18" CLASS I �.``,a• RIP -RAP s ' AL SECTION A —A s - -- - NOTES' r �Q r•�r' aa* rir � 1) PERMANENT CROSSING FOR VEHICLE MAINTENANCE EQUIPMENT. a 2) CLASS I RIP -RAP TO BE LAID MIN. 18 INCHES THICK OVER ENTIRE AREA OFr�t11��GANCE (AS DIRECTED BY ENGINEER) . i 3) CLASS II RIP -RAP USED IN LARGER STREAMS (AS DIRECTED BY ENGINEER) . 41 AS PROJECT IS STABILIZED PLACE SYNTHETIC FILTER FABRIC 6 SPREAD ALL EXISTING EROSION STONE INTO PERMANENT LINER AS SHOWN. ADD STONE AS NEEDED. 5) A61Y REOUIREO ARMORING ABOVE NORMAL HIGH WATER MARK SHALL CONSIST OF MA T TING OR APPROVED VEGETA rI VE COVER. ;C/ T Y OF OREENSB0R O STANDARD PERMANENT CREEK STABIL IZA TION STD. W. REV. A214 01 -91 06 -05 03 -97 WI TH MAINTENANCE CROSSING Stream Type of Stream Perennial Type of Average Impact Impact Impact Name (Per) or Jurisdiction( Stream Length Number Intermittent Corps 404 Width (linear P or T (INT) 10 DWQ (feet) feet) non 404 other) S1 Utility Unnamed PER Corps 8 10 Line Crossing S2 Utility Unnamed PER Corps 8 10 Line Crossing S3 Utility Unnamed PER Corps 8 10 Line Crossing S4 Utility Unnamed PER Corps 8 10 Line Crossing S5 Utility Unnamed PER Corps 8 10 Line Crossing S6 Utility Unnamed PER Corps 3 1 Line Crossing S7 Utility Unnamed PER Corps 8 10 Line Crossing S8 Utility Unnamed PER Corps 8 10 Line Crossing S9 Utility Unnamed PER Corps 8 10 Line Crossing ECS Carolinas, LLP AGENT AUTHORIZATION Scope of Work Stream Permitting Services Location Proposed Sewer Line Alignment — Knox Road McLeansvdle Guilford County North Carolina This form authorizes ECS to act as our agent in stream /wetland matters including U S Army Corps of Engineers and North Carolina Division of Water Quality field verification and permit application Owner /Agent Information Name o- (i t4&&4%r0'ac 'ro Address 2&Vo �c M.M� C eo�&��ao CIM N C. -4-;:F'-4 O G Telephone Number 33� 3'�3– WEE Fax Number S- E mail ArldrAce Signature Ske�►!e_ �� -e��� �..r- ee�v�*��ooro — �nc� q o �/ -r -rZ 1I V 4i '4 iI II I� II " X11 I if - �� r l IL It I �r"�"—�r . •r�.—:^.� -tee• ��� : � .�. —tm .� N f f,* I I THE STREAM/WETLAND LOCATIONS SHOWN ON THIS MAP ARE APPROXIMATE, THEY HAVE BEEN DELINEATED BY ECS. THEY HAVE NOT BEEN VERIFIED BY THE U.S ARMY CORPS OF ENGINEERS. THEY HAVE NOT BEEN SURVEYED. ISW it 17— F f iTINQRAY I 95NN I„A y "Mk Is smm $113 IAH IM —p;zz—_ H I+tc • - -- -- __ 41 \ "4101 "4101 I 1769 ---- - 4P-2 FT — �� � t � + _ — �' ,` 77\ "��' // '/� S� 4 � l j �- • - �; dr ssel /cos �,� 1. % f\ 1 � � `:' .rte. • f j.� r 1 I - ' LEGEND r` ---- -- Proposed Sewer Line Alignment (Subject to Change) /L Approximate Location of Perennial Stream h Approximate Location of Intermittent Stream Approximate Location of Wetland DP-1 ® Flag Number /Approximate Location r SOURCE: 'OVERALL OFFSITE PUBLIC SANITARY SEWER LAYOUT PREPARED BY STIMMEL ASSOCIATES, P.A. AND FIELD NOTES PREPARED BY ECS PERSONNEL NOT TO SCALE CAROLINAS .�1 SSW,. if SEAM 0102 V 1 FIGURE 3A STREAM/WETLAND LOCATION MAP PROPOSED SEWER LINE ALIGNMENT MCLEANSVILLE, NORTH CAROLINA ECS PROJECT NO. 09-19885 THE STREAMMETLAND LOCATIONS SHOWN ON THIS MAP ARE APPROXIMATE. THEY HAVE BEEN DELINEATED BY ECS. THEY HAVE NOT BEEN VERIFIED BY THE U.S ARMY CORPS OF ENGINEERS. THEY HAVE NOT BEEN SURVEYED. tt FUTURE PUBLIC SANITARY SEWER j t OUTFALL I s i 3 r / r •r I tr � PLEASE NOTE THAT THE STREAM/WETLAND LOCATIONS SHOWN ON THIS MAP HAVE BEEN PREVIOUSLY DELINEATED, VERIFIED BY THE AGENCIES AND SURVEYED. DURING THE INITAIL DELINEATION, AN UPLAND BERM THAT IS LOCATED ADJACENT TO ONE OF THE STREAMS WAS INCLUDED WITHIN THE WETLAND BOUNDARY FLAGS. ECS REVISITED THE AREA TO DELINEATE THE BOUNDARY BETWEEN THE WETLAND AND THE UPLAND BERM SO THE EXACT WETLAND IMPACTS ASSOCIATED WITH THE SEWER LINE CAN BE DETERMINED. IT IS NOT NECESSARY TO LOCATE THE OTHER JURISDICTIONAL AREAS THAT HAVE BEEN PREVIOUSLY SURVEYED. LEGEND i Proposed Sewer Line Alignment Approximate Location of Perennial Stream Approximate Location of Wetland SOURCE: FIGURE 3B PRELIMINARY ONSITE PUBLIC SANITARY 'STREAM/WETLAND LOCATION MAP SEWER LAYOUT PREPARED BY STIMMEL ASSOCIATES, P.A. AND FIELD NOTES LAP PROPOSED SEWER LINE ALIGNMENT PREPARED BY ECS PERSONNEL MCLEANSVILLE, NORTH CAROLINA NOT TO SCALE CAROLINAS ECS PROJECT NO. 09-19885 DATA FORM ROUTINE WETLAND DETERMINATION Q987 COE Wetlands Delmeation Manual) Project/Site Proposed Sewer Line Alignment Knox Road Project No Date 06 /15/2011 Applicant/Owner Holder Construction Company County Guilford Investigators ECS Carolinas, LLP 0919895 State North Carolina Plot ID DP 1 Do Normal Circumstances exist on the site9 Yes No Community ID Wooded Is the site significantly disturbed (Atypical Situation )9 Yes No Transect ID Is the area a potential Problem Areas Yes No Field Location View Figure 3A (If needed ex lam on the reverse side) VEGk;JL'A'1'1UN Dommant Plant S (Latm/Common) Stratum Indicator Plant Species (Latin/Common) Stratum Indicator Woodwardia areolata Herb OBL Netted chandern Acer saccharmum Tree/Sap FACW Silver maple Ulm is rubra Tree/Sap FAC Red ehn Fraxmus ylvamca Tree/Sap FACW Green ash Percent of Dommant Species that are OBL, FACW or FAC (excluding FAC) 100% FAC Neutral. 100% Numeric Index Remarks The dominant vegetation is hydro h tic HYDROLOGY Recorded Data (Describe in Remarks) Stream, Lake or Tide Gauge Aerial Photographs Other ® No Recorded Data Field Observations Depth of Surface Water 0" Depth to Free Water m Pit >12" Depth to Saturated Soil >12' Wetland Hydrology Indicators Primary Indicators Inundated Saturated in Upper 12 Inches Water Marks Drift Lines Sedunent Deposits Drainage Patterns in Wetlands Secondary Indicators Oxidized Root Channels m Upper 12 Inches Water Stained Leaves Local Soil Survey Data FAC Neutral Test Other (Explain in Remarks) Remarks Wetland hydrology indicators are present. (Wetforrn) Pagel of 2 DATA FORM ROUTINE WETLAND DETERMINATION [Project/Site 1987 COE Wetlands Delineation Manual) Proposed Sewer Line Abgnment Knox Road Protect No Date 06 /15/2011 Applicant/Owner Holder Construction Company County Guilford Investigators ECS Carolmas, LLP 0919885 State North Carolina Plot ID DP 1 Map Unit Name (Series and Phase) Chewacla loam Map Symbol ChA Mapped Hydric IncWston') ®Yes ❑ No Drainage Class Somewhat poorly drained Field Observations Confirm Ma T Mapped Type ® Yes ❑ No Taxonomy (Subgroup) Fluvaquenttc dystrudepts Profile Dex don Depth Matrix Color Mottle Color Mottle inches Horizon (Munsell Moist) (Munsell Moist) Abundance/Contrast Texture, Concretions Structure etc. 0.6 10YR 4/6 0% Loam 6-� 2.5Y 4/1 10YR 4/6 20% Loam T� Hydnc Sod Indicators ❑ Histosol ❑ Concretions ❑ Hishc Epipedon ❑ Iligh Organic Content in Surface Layer in Sandy Soils ❑ Snlfidic Odor ❑ Organic Streaking in Sandy Soils ❑ Aquic Moisture Regime ❑ Listed on Local Hydnc SoOs List ❑ Reducing Conditions ❑ Listed on National Hydnc Soils List Gleyed or Low Chroma Colors ❑ Other lam in Remarks) Remarks Hydnc soil indicators are present. WETLAND DETERMINATION Hydrophytic Vegetation Present' NYes ❑ No Is the Sampling Point within the Wetlands Yes No Wetland Hydrology Present? 2SJYes ® No Hydnc Sods Present? MYes n No Remarks The three wetland criteria are present. The sampling point is located within a wetland (Wetform) Page 2 of 2 DATA FORM Dominant Plant Species (Latm/Common) ROUTINE WETLAND DETERNUNATION Indicator (1987 COE Wetlands Delineation Manual Stratum Project/Site Proposed Sewer Lme Alignment Knox Road Project No Date 06/15/2011 Applicant/Owner City of Greensboro County Guilford Investigators ECS Carohnas LLP 0919885 State North Carolina Toxicodendron mdicans Vine Plot ID DP 2 Do Normal Circumstances exist on the sites Yes LJ No Community ID Wooded Is the site significantly disturbed (Atypical Situation )? Yes LXJ No Transect ID Is the area a potential Problem Areas Hyes EJ No Field Location View Figure 3A QE needed ex tam on the reverse side) VL+'G TATION Dominant Plant Species (Latm/Common) Stratum Indicator Plant Species (Latm/Common) Stratum Indicator siuense Tree/Sa FAC Drift Lines Chinese privet Field Observations Toxicodendron mdicans Vine FAC Depth of Surface Water 0' Oxidized Root Channels in Upper 12 Inches Poison ivy Depth to Free Water to Pit >IT Uhuus rubra Tree/Sap FAC Depth to Saturated Sod >12" rl Other (E lam in Remarks) Remarks Red ehn Framnus nns lvamca Tree/Sap FACW Green ash Lomcera japonica Vine FAC Japanese honeysuckle Percent of Dominant Species that are OBL, FACW or FAC (excluding FAC) 80% FAC Neutral 50% Numeric Index Remarks The dominant vegetation is hydrophytic HYDROLOGY Recorded Data (Describe in Remarks) Wetland Hydrology Indicators Stream, Lake or Tide Gauge ary Indicators Aerial Photographs Inundated Other Saturated in Upper 12 Inches ® No Recorded Data Water Marks Drift Lines Sediment Deposits Field Observations Drainage Patterns in Wetlands Secondary Indicators Depth of Surface Water 0' Oxidized Root Channels in Upper 12 Inches Water Stained Leaves Depth to Free Water to Pit >IT Local Soil Survey Data FAC Neutral Test Depth to Saturated Sod >12" rl Other (E lam in Remarks) Remarks Wetland hydrolog indicators are not present (Wetform) Page 1 of 2 DATA FORM ROUTINE WETLAND DETERMINATION (1987 COE Wetlands Delineation Manual) Project/Site Proposed Sewer Lme Alignment Knox Road Project No Date 06 115/2011 Apphcant/Owner City of Greensboro County Guilford Investigators ECS Carolmas LLP 0919885 State North Carolina Plot ID DP 2 Map Unit Name (Series and Phase) Chewacla loam Map Symbol ChA Mapped Hydric Inclusion9 ®Yes ❑ No Drainage Class Somewhat poorly drained Field Observations Confirm Ma Yes peed Type ❑ No Taxonomy (Subgroup) Fluvaquentic dystrudepts Profile Desc tion Depth Matrix Color Mottle Color Mottle inches Horizon (MwiseU Moist) Munsell Moist) Abundance/Contrast Texture Concretio Struc etc 0.6 10YR 4/6 2 5Y 4/3 30% Loam Hydric Sod Indicators stosol ❑ HL ❑ Concretions ❑ Hishc Epipedon ❑ High Organic Content in Surface Layer in Sandy Soils ❑ Suffidic Odor ❑ Organic Streaking in Sandy Soils ❑ Aquic Moisture Regime ❑ Listed on Local Hydnc Soils List ❑ Reducing Conditions ❑ Listed on National Hydnc Soils Last ❑ Gle ed or Low Chroma Colors Other lam in Remarks) Remarks Hydric soil indicators are not present. WETLAND DETERMINATION Hydrophydc Vegetation Presents Yes No Is the Sampling Point within the Wetlands Yes No Wetland Hydrology Present9 Yes Z No Hydric Soils Present? ❑Yes ER No Remarks Wetland hydrology and hydnc sod indicators are not present. The sampling point is not located within a wetland (M-dorm) Page 2 of 2 DATA FORM ROUTINE WETLAND DETERNIINATION 1987 COE Wetlands Delineation Manual) Project/Site Proposed Sewer Line Alignment Knox Road Project No Date 06/15/2011 Apphcant/Owner City of Greensboro County Guilford Investigators ECS Carolinas, LLP 0919885 State North Carolina Plot ID DP 1 Do Normal Circumstances exist on the sites Yes No Community 1D Wooded Is the site significantly disturbed (Atypical Situation )? Yes No Transect ID Is the area a potential Problem Areas HYes No Field Location View Figure 3A If needed ex lam on the reverse side) VEGETATION Dominant Plant S (Latm/Common) Stratum Indicator Plant S mes (Latm/Common) Stratum Indicator Woodwardia areolata Herb OBL Netted chamfern Acer sac channum Tree/Sap FACW Silver maple Uhnus rubra Tree/Sap FAC Red elm Fraxmus Ivamca TrWSaP FACW Green ash Percent of Dommant Species that are OBL, FACW or FAC (excluding FAC) 100% FAC Neutral 100% Numeric Index Remarks The dominant vestetation is h Zdro&tic HYDROLOGY Recorded Data (Describe in Remarks) Stream, Lake or Tide Gauge Aerial Photographs Other ® No Recorded Data Field Observations Depth of Surface Water 0" Depth to Free Water in Pmt >12" Depth to Saturated Soil >12" Wetland Hydrology Indicators Primary Indicators Inundated Saturated in Upper 12 Inches Water Marks Drift Lines Sediment Deposits Drainage Patterns in Wetlands Secondary Indicators Oxidized Root Channels in Upper 12 Inches Water Stained Leaves Local Soil Survey Data FAC Neutral Test Other (E lam in Remarks) Remarks Wetland h drolo y indicators are present. (Wetform) Page 1 of 2 DATA FORM ROUTINE WETLAND DETERMINATION (1987 COE Wetlands Delineation Manual Project/Site Proposed Sewer Line Alignment Knox Road Project No Date 06 /15/2011 Apphcant/Owner City of Greensboro County Guilford Investigators ECS Carolinas, LLP 0919885 State North Carolina Plot ID DP 1 Map Unit Name (Series and Phase) Chewacla loam Map Symbol ChA Mapped Hydnc InclusionP ®Yes [:]No Drainage Class Somewhat poorly drained Field Observations Confhfm Ma a PPS Type ® Yes ❑ No Taxonomy ( Subgroup) Fluvaguentic dystrudepts Profile Description Depth Matrix Color Mottle Color Mottle inches Horizon unsell Moist) (Munsell Moist Abundance/Contrast Texture, Concretions. Struc etc 0.6 lOYR 4/6 0°k Loam 612 2M 4/1 10YR 4/6 20% Loam Hydric Soil Indicators ❑ Hntosol ❑ Concretions ❑ Histic Epipedon ❑ High Organic Content in Surface Layer in Sandy Soils ❑ Sulfithc Odor ❑ Organic Streaking in Sandy Soils ❑ Agntc Moisture Regime ❑ Listed on Local Hydric Soils List ❑ Reducing Conditions ❑ Listed on National Hydric Sods List Gle ed or Low Chroma Colors Other lain in Remarks) Remarks. Hydnc soil in dicators are present. WETLAND DETERMINATION Hydrophytic Vegetation Present' Yes No Is the Sampling Point within the Wetlands Yes No Wetland Hydrology Present' Yes I I No Hydric Soils Present? ®Yes ❑ No Remarks The three wetland cnterm are present. The sampling point is located within a wetland (Wetform) Page 2 of 2 APPROVED JURISDICTIONAL DETERMINATION FORM US Army Corps of Engineers This form should be completed by following the instructions provided in Section W of the JD Form Instructional Guidebook SECTION 1 BACKGROUND INFORMATION A REPORT COMPLETION DATE FOR APPROVED JURISDICTIONAL DETERMINATION (JD) May 29 2012 B DISTRICT OFFICE FILE NAME AND NUMBER Raleigh Proposed Sewer Ahgnment Knox Road, ECS Project No 09 19885 C. PROJECT LOCATION AND BACKGROUND INFORMATION State NC County /pansh/borough Guilford City McLeansville Center coordinates of site (lat/long in degree decimal format) Lat 36 070831 a Long 79 649264 f. Universal Transverse Mercator Name of nearest waterbody Little Alamance Creek Name of nearest Traditional Navigable Water (TNW) Into which the aquatic resource flows Big Alamance Creek Name of watershed or Hydrologic Unit Code (RUC) 03030002 Check if map /diagram of review area and/or potential jurisdictional areas is/are available upon request Check if other sites (e g offsite mitigation sites disposal sites etc ) are associated with this action and are recorded on a different JD form D REVIEW PERFORMED FOR SITE EVALUATION (CHECK ALL THAT APPLY) Office (Desk) Determination Date Field Determination Date(s) September 1 2011 SECTION H, SUMMARY OF FINDINGS A RHA SECTION 10 DETERMINATION OF JURISDICTION There navigable waters of the US within Rivers and Harbors Act (RHA) junsdiction (as defined by 33 CFR part 329) m the review area [Required) Waters subject to the ebb and flow of the ude Waters are presently used or have been used in the past or may be susceptible for use to transport interstate or foreign commerce Explain B CWA SECTION 404 DETERMINATION OF JURISDICTION There 0 waters of the US within Clean Water Act (CWA) Jurisdiction (as defined by 33 CFR part 328) in the review area [Required] 1 Waters of the U S a. Indicate presence of waters of US in review area (check all that apply) i TNWs including territorial seas Wetlands adjacent to TNWs Relatively permanent waters (RPWs) that flow directly or indirectly into TNWs Non RPWs that flow directly or indirectly into TNWs Wetlands directly abutting RPWs that flow directly or indirectly into TNWs Wetlands adjacent to but not directly abutting RPWs that flow directly or indirectly into TNWs Wetlands adjacent to non RPWs that flow directly or indirectly into TNWs Impoundments of jurisdictional waters ® Isolated (interstate or intrastate) waters including isolated wetlands b Identify (estimate) size of waters of the US m the review area Non wetland waters 2 000 linear feet 7 width (ft) and/or 0 32 acres Wetlands 5 acres c. Lmuts (boundaries) of jurisdiction based on IW- - 7MpliQio0A" s! Elevation of established OHWM (if known) Unknown 2. Non regulated waters /wetlands (check if applicable) 3 ® Potentially jurisdictional waters and/or wetlands were assessed within the review area and determined to be not jurisdictional Explain Boxes checked below shall be supported by completing the appropriate sections in Section III below z For purposes of this form an RFW is defined as a tributary that is not a TNW and that typically flows year round or has continuous flow at least seasonally (e g typically 3 months) Supporting documentation is presented in Section III F SECTION III CWA ANALYSIS A. TNWs AND WETLANDS ADJACENT TO TNWs The agencies will assert jurisdiction over TNWs and wetlands adjacent to TNWs N the aquatic resource is a TNW complete Section III A 1 and Section I1LD 1 only if the aquatic resource is a wetland adjacent to a TNW complete Sechoac III A 1 and 2 and Section E L.D 1 otherwise see Section 1H.B below 1 TNW Identify TNW Summarize rationale supporting determination 2. Wetland adjacent to TNW Summarize rationale supporting conclusion that wetland is adjacent B CHARACTERISTICS OF TRIBUTARY (THAT IS NOT A TNW) AND ITS ADJACENT WETLANDS (IF ANY) This section summarizes information regarding characteristics of the tributary and its adjacent wetlands, if any and it helps determine whether or not the standards for jurisdiction established under Rayianos have been met. The agencies will assert jurisdiction over non - navigable tributaries of TNWs where the tributaries are "relatively permanent waters' (RPWs) ie tributaries that typically allow year round or have continuous flow at least seasonally (e.g typically 3 months) A wetland that directly abuts an RPW is also jurisdictional. Nthe aquatic resource is not a TNW but has year round ( perenmal) flow skip to Section M D.2 N the aquatic resource is a wetland directly abutting a tributary with perennial flow slap to Section M.D 4 A wetland that is adjacent to but that does not dnwdy abut an RPW requires a sig»>gcant nexus evaluation. Corps districts and EPA regions will include in the record any available information that documents the existence of a significant nezus between a relatively permanent tributary that is not perennial (and its adjacent wetlands dany) and a traditional navigable water even though a significant nexus Ruding is not required as a matter of law U the waberbody° is not an RPW or a wetland directly abutting an RPW a JD whII regain additional data to determine if the waterbody has a significant nexus with a TNW If the tributary has adjacent wetlands, the sigmficant nexus evaluation most consider the tributary in combination with all of its adjacent wetlands. This significant nexus evaluation that combines, for analytical purposes, the tributary and ail of its adjacent wetlands is used whether the review area identified in the JD request is the tributary or its adjacent wetlands, or both. If the JD covers a tributary with adjacent wetlands, couVete Section IILB 1 for the tributary Section MX.2 for any onsite wetlands, and Section HLB.3 for all wetlands adjacent to that tributary both onsite and offsite The determination whether a significant nexus exists is determined in Section III C below I Characteristics of non TNWs that flow directly or indirectly into TNW (i) General Area Conditions Watershed size 4 000 Drainage area 4 000 + Average annual rainfall 42 7 inches Average annual snowfall 9 1 inches (u) Physical Characteristics (a) Relattonship with TNW ❑ Tributary flows directly into TNW ® Tributary flows through $ tributaries before entering TNW Project waters are river miles from TN W Project waters are river miles from RPW Project waters are Cae:r,.,l ( straight) miles from TNW Project waters are aerial (straight) miles from RPW Project waters cross or serve as state boundaries Explain Identify flow route to TNWS The unnamed tributaries that cross the site flow into Little Alamance Creek which flows into Big Alamance Creek which flows into the Haw River and then the Cape Fear Note that the Instructional Guidebook contains additional tiformanon regarding swales ditches washes and erosional features generally and m the and West 5 Flow route can be described by identifying e g tributary a which flows through the review area to flow into tributary b which then flows into TNW purposes Tributary stream order if known Second (b) General Tributary Characteristics (check all that apply) Tributary is ® Natural ❑ Artificial (man made) Explain ® Manipulated (man altered) Explain Some areas have been historically altered for agricultural Tnbutary properties with respect to top of bank (estimate) Average width 7 feet Average depth 7 feet Average side slopes 11-1 U - Primary tributary substrate composition (check all that apply) ® Silts ® Sands ❑ Concrete ® Cobbles ® Gravel ® Muck ® Bedrock ® Vegetation Type/% cover 80 ❑ Other Explain Tributary condition/stability fe g highly eroding sloughing banks] Explain Relatively stable Presence of run/riffle/pool complexes Explain Moderate amount of nffle pool complexes Tributary geometry Tributary gradient (approximate average slope) 13 % (t) Flow Tributary provides for Nifflo Estimate average number of flow events in review area/year iffimlgwo Describe flow regime Constant. Other information on duration and volume Surface flow is "' Charactenstics Subsurface flow Explain findings ❑ Dye (or other) test performed Tributary has (check all that apply) ® Bed and banks ® OHWM6 (check all indicators that apply) ® clear natural line impressed on the bank ® changes in the character of soil ❑ ® shelving ® vegetation matted down bent or absent ® leaf litter disturbed or washed away ® sediment deposition ® aster twining ❑ other (list) ❑ Discontinuous OHWM' Explain the presence of litter and debris destruction of terrestrial vegetation the presence of wrack line sediment sorting scour multiple observed or predicted flow events abrupt change in plant community If factors other than the OHWM were used to determine lateral extent of CWA jurisdiction (check all that apply) ® High Tide Line indicated by ® Mean High Water Mark indicated by ❑ oil or scum line along shore objects ❑ survey to available datum ❑ fine shell or debris deposits (foreshore) ❑ physical markings ❑ physical markings/characteristics ❑ vegetation lines/changes in vegetation types ❑ tidal gauges ❑ other (list) (m) Chemical Characteristics Characterize tributary (e g water color is clear discolored oily film water quality general watershed characteristics etc) Explain Water color is relatively clear There are sediment deposits Identify specific pollutants if known No sheens observed 6A natural or man made discontinuity in the OHWM does not necessanly sever junsdiction (e g where the stream temporarily flows underground or where the OHWM has been removed by development or agricultural practices) Where there is a break in the OHWM that is unrelated to the wdterbody s flow regime (e g flow over a rock outcrop or through a culvert) the agencies will look for indicators of flow above and below the break 'Ibid. (iv) Biological Characteristics Channel supports (check all that apply) ® Riparian corridor Characteristics (type average width) The undeveloped land located adjacent to the streams vanes between bottomland hardwood to low lying herbaceous shrubs ® Wetland fringe Characteristics There are wetland fringes that result from groundwater seeps ® Habitat for ❑ Federally Listed species Explain findings ❑ Fish/spawn areas Explain findings ❑ Other environmentally sensitive species Explain findings ® Aquatic /wildlife diversity Explain findings Crayfish minnows salamanders frogs and macro invertebrates were observed Z Charactenstics of wetlands adjacent to non TNW that flow directly or indirectly into TNW (r) Physical Characteristics (a) General Wetland Characteristics Properties Wetland size 5acres Wetland type Explain Various types, primarily bottomland hardwoods Wetland quality Explain Various moderate to good in most areas Project wetlands cross or serve as state boundaries Explain (b) General Flow Rel&Uons4lp with on TNW Flow is 61190M Explain Saturated to surface Surface flow is Characteristics No surface flow Subsurface flow U11MM Explain findings ❑ Dye (or other) test performed (c) Wetland Adiacencv Determination with Non TNW ® Directly abutting ® Not directly abutting ® Discrete wetland hydrologic connection Explam. Adjacent to streams or other direct connection to streams and/or drainage features _ ❑ Ecological connection Explain ❑ Separated by berm/bamer Explain (d) Proximity (Relatio nshi to TNW Project wetlands are river rmles from TNW Project waters are aeri al (straight) miles from TNW Flow is froi 'N Estimate approximate location of wetland as within the $!NQ IM floodplain (h) Chenucal Characteristics Characterize wetland system (e g water color is clear brown oil film on surface water quality general watershed characteristics etc ) Explain Water color is clear in areas where it is present Identify specific pollutants, if known Unknown (iii) Biological Characteristics Wetland supports (check all that apply) ® Riparian buffer Characteristics (type average width) At least 50 feet wide in most areas ® Vegetation type/percent cover Explain Bottomland hardwoods and herbaceous 50-85% in most areas ® Habitat for ❑ Federally Listed species Explain findings ❑ Fish/spawn areas Explain findings ❑ Other environmentally sensitive species Explain findings ® Aquatic /wildlife diversity Explain findings Crayfish and amphibians Characteristics of all wetlands adjacent to the tributary (if an All wetland(s) being considered in the cumulative analysis &� Approximately ( 5 ) acres in total are being considered in the cumulative analysis For each wetland specify the following ptrecdY abuts'? (YiN) Size (in acre5l 121MC11YAW".71YIN Size (in acres) y All Total of 5 Acres Summarize overall biological chemical and physical functions being performed The wetlands on the site function to filter and control surface water runnoff The provide habitat for aquatic species The add to the diversity of the ecosystem at the site C SIGNIFICANT NEXUS DETERMINATION A significant nexus analysts win assess the flow characteristics and funchons of the tributary itself and the functions performed by any wetlands adjacent to the tributary to determme if they sigmficaudy affect the chemical physical and biological udegrdy of a TNW For each of the following situations, a stgmfic ant nexus exists if the tributary m combination with all of its adjacent wetlands has more than a speculative or insubstantial effect on the chemical, physical and/or biological mtegnty of a TNW Considerations when evaluating sWillficaut nexus include, but are not hmited to the volume, duration, and frequency of the flow of water m the tributary and its proxmnty to a TNW and the functions performed by the tributary and all its adjacent wetlands It is not appropriate to determine sigttificant nexus based solely on any specific threshold of distance (e.g between a tributary and its adjacent wetland or between a tributary and the TNW) Similarly the fact an adjacent wetland lies within or outside of a floodplain is not solely determinative of significant nexus. Draw connections between the features documented and the effects on the TNW as identified in the Rapanos Guidance and discussed in the Instruchonal Gwdeboolc. Factors to consider mdude, for example • Does the tributary in combination with its adjacent wetlands (if any) have the capacity to carry pollutants or flood waters to TNWs or to reduce the amount of pollutants or flood waters reaching a TNW • Does the tributary in combination with its adjacent wetlands (if any) provide habitat and hfecycie support functions for fish and other species such as feeding nesting spawning, or rearing young for species that are present in the TNW? • Does the tributary in combination with its adjacent wetlands (if any) have the capacity to transfer nutrients and organic cation that support downstream foodwebs? • Does the tributary in combination with its adjacent wetlands (if any) have other relationships to the physical chemical or biological mtegnty of the TNW9 Note. the above hst of considerations is not inclusive and other functions observed or known to occur should be documented below 1 Sigmficant nexus findings for non RPW that has no adjacent wetlands and flows directly or mdirectly mto TNWs Explain findings of presence or absence of significant nexus below based on the tributary itself then go to Section III D Smgmfieant nexus findings for non RPW and its adjacent wetlands where the non RPW flows duvWy or indirectly into TNWs Explain findings of presence or absence of significant nexus below based on the tributary to combination with all of its adjacent wetlands then go to Section III D They are connected directly to RPWs on this site Significant nexus findings for wetlands adjacent to an RPW but that do not dwectly abut the RPW Explain findings of presence or absence of significant nexus below based on the tnbutary in combination with all of its adjacent wetlands then go to Section III D The wetlands are located in the floodplams adjacent to the streams and in other areas are connected by non junsdictional drainage features DETERMINATIONS OF JURISDICTIONAL FINDINGS THE SUBJECT WATERS/WETLANDS ARE (CHECK ALL THAT APPLY) I TNWs and Adjacent Wetlands Check all that apply and provide size estimates in review area TNWs linear feet width (ft) Or acres Wetlands adjacent to TNWs acres RPWs that flow directly or indirectly into TNWs Tributaries of TNWs where tributaries typically flow year round are jurisdictional Provide data and rationale indicating that tributary is perennial Crayfish salamanders frogs iron oxidizing bacteria substrate sorting riffle pool complexes and ordinary high water mark were observed Tributaries of TNW where tributaries have continuous flow seasonally (e g typically three months each year) are jurisdictional Data supporting this conclusion is provided at Section III B Provide rationale indicating that tributary flows seasonally Some areas of the streams are intermittent They connect directly to perennial streams Provide estimates for jurisdictional waters in the review area (check all that apply) Tributary waters 2 000 linear feet 7 width (ft) Other non wetland waters acres Identify type(s) of waters Non RPWss that flow directly or indirectly into TNWs. Waterbody that is not a TNW or an RPW but flows directly or indirectly into a TNW and it has a significant nexus with a TNW is jurisdictional Data supporting this conclusion is provided at Section III C Provide estimates for jurisdictional waters within the review area (check all that apply) ® Tributary waters linear feet width (ft) Other non wetland waters acres Identify type(s) of waters Wetlands directly abutting an RPW that flow directly or mdwecdy into TNWs. ® Wetlands directly abut RPW and thus are jurisdictional as adjacent wetlands ® Wetlands directly abutting an RPW where tributaries typically flow year round Provide data and rationale indicating that tributary is perennial in Section iII D 2 above Provide rationale indicating that wetland is directly abutting an RPW Physically connected or connected by a draimage feature or floodplain Hydrology Wetlands directly abutting an RPW where tributaries typically flow seasonally Provide data indicating that tributary is seasonal in Section Ill B and rationale in Section ULD 2 above Provide rationale indicating that wetland is directly abutting an RPW Physically connected or connected by a drainage feature or floodplam hydrology Provide acreage estimates for jurisdictional wetlands in the review area Sacres Wetlands adjacent to but not directly abutting an RPW that flow directly or indirectly into TNWs. IN Wetlands that do not directly abut an RPW but when considered in combination with the tributary to which they are adjacent and with similarly situated adjacent wetlands, have a significant nexus with a TNW are junsidictional Data supporting this conclusion is provided at Section III C Provide acreage estimates for jurisdictional wetlands in the review area acres 6. Wetlands adjacent to non RPWs that flow directly or mduwdy into TNWs E] Wetlands adjacent to such waters and have when considered in combination with the tributary to which they are adjacent and with similarly situated adjacent wetlands have a significant nexus with a TNW are jurisdictional Data supporting this conclusion is provided at Section III C Provide estimates for jurisdictional wetlands in the review area acres Impoundments of jurisdictional waters 9 As a general rule the impoundment of a junsdictional tributary remains jurisdictional Demonstrate that impoundment was created from waters of the U S or Demonstrate that water meets the criteria for one of the categories presented above (1-6) or Demonstrate that water is isolated with a nexus to commerce (see E below) ISOLATED [INTERSTATE OR INTRA STATE] WATERS INCLUDING ISOLATED WETLANDS THE USE DEGRADATION OR DESTRUCTION OF WHICH COULD AFFECT INTERSTATE COMMERCE INCLUDING ANY SUCH WATERS (CHECK ALL THAT APPLY) 10 ® which are or could be used by interstate or foreign travelers for recreational or other purposes 'See Footnote # 3 9 To complete the analysis refer to the key in Section III D 6 of the Instructional Guidebook 10 Prior to asserting or declining CWA jurisdiction based solely on this category Corps Districts will elevate the action to Corps and EPA HQ for review consistent with the process described in the Corps(EPA Memorandum Regarding CWA Act Jurisdiction Following Rapanos from which fish or shellfish are or could be taken and sold in interstate or foreign commerce which are or could be used for industrial purposes by industries in interstate commerce Interstate isolated waters Explain Other factors Explain Identify water body and summarize rationale supporting deterimnation. Provide estimates for Juiisdictional waters in the review area (check all that apply) Tributary waters 2 000 linear feet7width (ft) Other non wetland waters acres Identify type(s) of waters Wetlands 5acres F NON JURISDICTIONAL WATERS INCLUDING WETLANDS (CHECK ALL THAT APPLY) © If potential wetlands were assessed within the review area, these areas did not meet the criteria in the 1987 Corps of Engineers Wetland Delineation Manual and/or appropriate Regional Supplements ❑ Review area included isolated waters with no substantial nexus to interstate (or foreign) commerce ❑ Prior to the Jan 2001 Supreme Court decision m SWANCC the review area would have been regulated based solely on the Migratory Bird Rule (MBR) Waters do not meet the Significant Nexus standard where such a finding is required for jurisdiction Explain Other (explain if not covered above) Provide acreage estimates for non Jurisdictional waters in the review area where the sole potential basis of Jurisdiction is the MBR factors (i a presence of migratory birds presence of endangered species use of water for irrigated agriculture) using best professional udgment (check ail that apply) Non wetland waters (t a rivers streams) lmear feet width (ft) Lakes/ponds acres Other non wetland waters acres List type of aquatic resource Wetlands acres Provide acreage estimates for non Jurisdictional waters in the review area that do not meet the "Significant Nexus standard where such a finding is required for Jurisdiction (check all that apply) Non wetland waters (i a rivers streams) linear feet, width (ft) Lakes/ponds acres Other non wetland waters acres List type of aquatic resource Wetlands acres SECTION IV DATA SOURCES A SUPPORTING DATA. Data reviewed for JD (check all that apply checked items shall be included in case file and where checked and requested, appropriately reference sources below) Maps plans plots or plat subrrutted by or on behalf of the applicant/consultant Data sheets prepared/submitted by or on behalf of the applicant/consultarit ❑ Office concurs with data sheets/delineation report ❑ Office does not concur with data sheets/delineation report ® Data sheets prepared by the Corps ® Corps navigable waters study ® U S Geological Survey Hydrologic Atlas ❑ USGS NHD data ❑ USGS 8 and 12 digit HUC maps ®U S Geological Survey map(s) Cite scale & quad name McLeansville 1 =2 000 USDA Natural Resources Conservation Service Soil Survey Citation Guilford County NCSS Website ® National wetlands inventory maps) Cite name ❑ State/Local wetland inventory map(s) ® FEMA/FIRM maps 3710880400) 100 year Floodplain Elevation is (National Geodectic Vertical Datum of 1929) ® Photographs ® Aerial (Name & Date) GPS Map / Aenal Photo Dated 2009 or ❑ Other (Name & Date) ❑ Previous determination(s) File no and date of response letter ❑ Applicable/supporting case law ® Applicable /supporting scientific literature ® Other information (please specify) Verification on portion of the site on September 1 2010 B ADDITIONAL COMMENTS TO SUPPORT JD There are multiple streams and wetlands on the site The majority of the streams are perennial Potyions of the site were verified by Mr Andy Williams with the U S Army Corps of Engineers and Ms Sue Homewood with the North Carolina Division of Water Quality on September 1 2010 Permits are required from the USACE and DWQ for impacts to the streams and wetlands PARCEL IDENTIFICATION NUMBERS AND LAND OWNERS Proposed Sewer Line Knox Road/Stewart Mill Area PIN OWNER 8804838615 Burch Creek Farm LLC 8813099404 City of Greensboro 8803987963 Sasco 2008 C2 MBD Holding, LLC 8814015241 Land Port Investments, LLC 8814029261 Land Port Investments LLC 8804921160 Land Port Investments LLC 8804936214 Land Port Investments LLC 8804926657 Thomas and Vicla Smith 8814036836 Heather and Patrick Forbis 8804931119 William and Ellen Hefner 8804932626 Edward and Martha Allred • The parcel and owner information shown in the above table was obtained from the Guilford County GIS Websde Portions of parcels not listed will be crossed by the proposed sewer line, however are not identifiable features on the Guilford County GIS website • The City of Greensboro is currently in the process of acquiring the easements required for the proposed sewer line Individual land owners should NOT be contacted concerning regulatory Issues All comments conversations and correspondence concerning regulatory information should be directed to the City of Greensboro and/or ECS Carolinas LLP HARP F1A9rTAT ASSESSMENT 3 RESTORATIOPi PROfESS10NAtS 301 McCullough Drive Suite 460 Charlotte NC 28262 Office 704 841 2841 Fax 704 8412447 Environmental Assessment of the Knox Road Area Outfall for the Possible Occurrence of the Small Whorled Pogonia Usotna medeoloides) in the Vidnity of Greensboro, NC (Glbsonville) The Small Whorled Pogonla occurs in the western portion of North Carolina in the South Mountains of Burke County (South Mountains State Park), and southwestward in Rutherford Transylvania McDowell Jackson and Cherokee counties Historically, with records over 50 years old it has been known from Guilford Harnett and Surry counties The recent discovery of a single plant in eastern Guilford County on Frieden Church Rd has stirred considerable interest in determining the potential in this area for other populations of the species The Knox Road outfall lies about six air miles southwest of the occurrence on Frieden Church Rd Because of this proximity, the U S Fish and Wddlde Service requested a biological assessment of the proposed sewer Right -of Way (ROW) See the attached map Figure 1 for the site of the proposed outfall The field work was performed on May 16, 2012 Prior to examining the outfall site a visit was made to the site on Frieden Church Rd where the owner showed us the area and discussed how the site was cleared which led to the discovery of the plant David Campbell, the other botanist in this study has been monitoring the populations of the Small Whorled Pogonia in the South Mountains for the past ten years He wanted to compare the habitats in Burke County with the one In Guilford County In general the commonalities area mixture of pine and hardwood species on a relatively moist but not nutrient rich soil The pine species differ in that In Burke County it is the White Pine (Anus strobus) and in Guilford the Short leaf Pine (Prnus echinata) With these mental images, the sewer line ROW was walked following the flags of the surveyors The disturbance of the ROW has been minimal, with little clearing Woody vegetation has been cut only to permit the surveying The project begins at 140 85 as Little Alamance Creek crosses under the Interstate It follows the east safe of the creek, passing through a young forest recovering from clear cutting There are a few Loblolly Pines (Prnus toeda) 6 8 inches diameter breast height (dbh) but most of the trees are early secondary successional hardwood species in the 3 4 in dbh range The ROW passes along a slope above the creek as there are considerable wetlands at the toe of the slope 1 i Continuing further north above the wetlands the slope is unusual in having bottomland species growing on it including Bitternut Hickory (Carya corchformis)14 in dbh, Yellow Poplar (Llnodendron tullpifera)13 in dbh Black Walnut (luglans nigra) 10 in dbh and Ironwood (Carpinus Carolinians) 5 in dbh After crossing a tributary flowing in from the northeast, the ROW remains out of the floodplain due to the wetlands in the floodplain The forest has been less disturbed, with Sycamore (Plotanus occldentahs) 33 in dbh Beech (Fagus grandifolia) 26 in dbh Northern Red Oak (Quercus rubra) 13 in dbh and White Oak (Quercus alba) 12 In dbh The ROW crosses Little Alamance Creek to the west side passing through a dense floodplain forest on the terrace above the creek The dominant species are Beech 27 In dbh Yellow Poplar 14 in dbh, Red Maple (Acer rubrum) 12 in dbti Black Walnut 11 in dbh and Black Cherry 10 in dbh and Southern Sugar Maple (Acer floridenum) S in dbh Along the stream bank is Pinxter flower (Rhododendron perrtlymenoides) and a good herbaceous growth of Golden Ragwort (Packers aurea) Most of the understory is a thick growth of both Autumn Olive (Elaeagnus umbellate) and Autumn Sdverberry (Elaeagnus pungens) In areas where the Elaeagnus is not as dense seedlings of the dominant species constitute the understory Crossing a tributary from the west, the ROW enters an elongated open meadow dominated by grasses and numerous common herbaceous species and then passes through a thin woods of the same species as noted above as the ROW crosses Little Alamance Creek again, to the north side Emerging from the floodplain on the north side, the ROW parallels a driveway /small power line ROW dominated by secondary succession species emerging on to Knox Rd Crossing Knox Rd the ROW lust west of a hay field, passes through a floodplain woods with some rock outcrops The dominant trees are Yellow Poplar 13 in dbh White Oak in dbh and Mockernut Hickory (Carya tomentosa) 9 in dbh The herbaceous vegetation in the floodplain supports several species of grasses Wild Onion (Alllum canadense var canadense) Jack in the Pulpit (Ansaema triphy/lum ssp triphyllum) and Green Dragon (Arrsaemo dracontium) The ROW then turns NW and crosses Lithe Alamance Creek paralleling the west side of the creek in the floodplain woods The character of this floodplain changes due to past management where fields have encroached into the floodplain The dominant species include Yellow Poplar 26 in dbh River Birch (Betula nigra) 16 in dbh, White Oak 17 In dbh, Sweet Gum (Uqurdambar styraciflua) 15 in dbh Sugarberry (Celtic laevigata) 13 in dbh Black Walnut 10 in dbh Mockernut Hickory 10 in dbh Beech 10 in dbh Ironwood 9 in dbh with additional components of the understory being Pawpaw (Asrmina triloibo), Dogwood (Cornus florida) Black Cherry Red Mulberry (Mores rubra) and Box Elder (Acer negundo) 2 The ROW crosses a small tributary after emerging from an abandoned disturbed field and upon entering the floodpiain forest (as described above) crosses Little Alamance Creek to terminate in a disturbed floodplaEn forest on the north side of the creek and west of a tributary entering the main creek In comparing the orchid habitat with the habitats present in this sewer project there is no comparable habitat in the sewer project area The combination of pines and hardwood species is not present and in general the fioodpiain vegetation is too dense for the orchid because of the nutrient rich sods A/ �iirri atthew Ph D - le�L David Campbell .S �j p r � @ ; t �r r t i t frw � � f e � Y1 V,6 yl fie k t � t � I lilt! p r � @ ; t �r r t i t frw � � f e � Y1 V,6 yl fie k t � t � I