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HomeMy WebLinkAbout20131081 Ver 1_401 Application_20131013ECS CAROLINAS, LLP "Setting the Standard for Service" Geotechnical • Construction Materials • Environmental • Facilities Ms. Karen Higgins NC DWR, 401/Wetlands Unit 512 North Salisbury Street, Archdale Building — 9T" Floor Raleigh, North Carolina 27604 Subject: Pre - Construction Notification Application Request for 401 Water Quality Certification Silas Pointe MOB Winston Salem, Forsyth County, North Carolina ECS Project 09 -21778 Dear Ms. Higgins: NC Registered Engineering Firm F -1078 October 7, 2013 Please find five copies of the Pre - Construction Notification Application for the above referenced project. The site consists of wooded land and paved areas. Structures are not located on the site. Proposed development at the site includes the construction of an approximate 80,000 square feet medical office building (MOB) and associated parking /landscaped areas. Road access will be provided by the extension of Healy Drive, which is currently located near the northwestern site boundary. On behalf of the Broyhill Silas Pointe, LLC, I am requesting that a 401 Water Quality Certification be issued to authorize the permanent impact (culvert) to 156 linear feet of stream channel. Wetlands will not be impacted by the proposed project. Based on the proposed impacts being greater then 150 linear feet of stream channel, mitigation at a 1:1 ratio is being proposed. The associated 401 Water Quality Certification Fee is included as an attachment. 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 Bradley S. Luckey Environmental Project Manager uEn�F... ✓'rare UA1 I IT' / / ichael T. Brame, PWS Environmental Principal Attachment: Pre - Construction Notification Application 401 Water Quality Certification Fee - $570.00 4811 Koger Blvd., Greensboro, NC 27407 • T 336- 856 -7150 • F: 336- 856 -7160 • mm.ecslimited.com ECS Capitol Services, PLLC • ECS Carolinas, LLP • ECS Central, PLLC • ECS Florida, LLC - ECS Mid - Atlantic, LLC • ECS Midwest, LLC • ECS Southeast, LLC • ECS Texas, LLP O�OF W c9 A -r y 1 1 > _, 1�.�1 0 � Office Use Only: Corps action ID no. DWQ project no. Form Version 1.3 Dec 10 2008 Page 1 of 12 PCN Form —Version 1.3 December 10, 2008 Version Pre - Construction Notification PCB Form A. Applicant Information 1. Processing r. 1 a. Type(s) of approval sought from the Corps: ® Section 404 Permit ❑ Section 10 Permit - ---- -_ 1 b. Specify Nationwide Permit (NWP) number: NWP 39 or General Permit (GP) number: 1c. Has the NWP or GP number been verified by the Corps? 0 Yes ❑ No 1d. Type(s) of approval sought from the DWQ (check all that apply): ® 401 Water Quality Certification — Regular ❑ Non -404 Jurisdictional General Permit ❑ 401 Water Quality Certification — Express ❑ Riparian Buffer Authorization 1 e. Is this notification solely for the record because written approval is not required? For the record only for DWO 401 Certification: ❑ Yes ® No For the record only for Corps Permit: ❑ Yes ® No 1f. !s 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 1 g. Is the project located in any of NC's twenty coastal counties. If yes, answer 1 h below. ❑ Yes ® No 1 h. Is the project located within a NC DCM Area of Environmental Concern (AEC)? ❑ Yes ® No 2. Project Information - 2a. Name of project: Silas Pointe MOB 2b. County: Forsyth 2c. Nearest municipality / town: Winston Salem 2d. Subdivision name: 2e. NCDOT only, T.I.P. or state project no: 3. Owner Information 3a. Name(s) on Recorded Deed: Broyhill Silas Pointe, LLC 3b. Deed Book and Page No. Book 3062, Page 1975 and Book 3086, Page 3546 3c. Responsible Party (for LLC if applicable): Chartles Campbell 3d. Street address: 2701 Coltsgate Road - Suite 300 3e. City, state, zip: Charlotte, NC 28211 3f. Telephone no.: 704 - 971 -4894 3g. Fax no.: 3h. Email address: charles @brackettflagship.com Page 1 of 12 PCN Form —Version 1.3 December 10, 2008 Version 4. Applicant Information (if different from owner) 4a Applicant is ❑ Agent ❑ Other, specify 4b Name 4c Business name (if applicable) 4d Street address 4e City, state, zip 4f Telephone no 4g Fax no 4h Email address 5. Agent/Consultant Information (if applicable) 5a Name Bradley S 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 com Page 2of12 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) 6814 -58 -5887 00 and 6814 -58 -8730 00 Latitude 36 0754407 Longitude - 1 b Site coordinates (in decimal degrees) 80 302764 (DD DDDDDD) ( -DD DDDDDD) 1c Property size 4 81 acres 2. Surface Waters 2a Name of nearest body of water (stream, river, etc ) to Little Creek proposed project 2b Water Quality Classification of nearest receiving water Class C 2c River basin Yadkin 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 paved areas The site is located in a commercial area of Winston Salem Medical buildings, a hospital and various other commercial /retail facilities are located in the vicinity of the site 3b List the total estmated acreage of all existing wetlands on the property 0 Acres 3c List the total estimated linear feet of all existing streams (intermittent and perennial) on the property 156 Feet 3d Explain the purpose of the proposed project The purpose of the proposed project is to develop the site wth an approximate 80,000 square feet medical office building (MOB) and associated parking /landscaped areas Road access will be provided by the extension of Healy Drive, which is currently located near the northwestern site boundary 3e Describe the overall project in detail, including the type of equipment to be used The overall project consists of developing the site with an approximate 80,000 square feet MOB and associated parking/landscaped areas The 80,000 square feet MOB is proposed to be four stones with 20,000 square feet of space per floor In order to provide access to MOB, Healy Drive must be extended from the northwestern site boundary to Silas Creek Parkway To facilitate the extension of Healy Drive and site development, the crossing location must be cleared and graded As part of the grading and to provide access to the proposed MOB, 156 linear feet of stream channel will be piped with 36" RCP and tied into existing culverts located up and down gradient of the stream Graders, haulers, excavators and cranes will be used during the grading and construction activities on the site 4 Jurisdictional Determinations 4a Have jurisdictional wetland or stream determinations by the Corps or State been requested or obtained for this property / ®Yes ❑ No ❑Unknown project (including all prior phases) in the pasty Comments Sue Homewood 4b If the Corps made the jurisdictional determination, what type ❑ preliminary ❑ Final of determination was made? 4c If yes, who delineated the jurisdictional areas? Agency /Consultant Company Name (if known) Other 4d If yes, list the dates of the Corps jurisdictional determinations or State determinations and attach documentation DWQ Site Visit = August 30, 2013 Page 3 of 12 PCN Form — Version 1 3 December 10, 2008 Version 5 Project History 5a Have permits or certifications been requested or obtained for ❑ Yes ® No ❑ Unknown this project (including all prior phases) in the past? 5b If yes, explain in detail according to "help file" instructions 6. Future Project Plans 6a Is this a phased project? ❑Yes No 6b If yes, explain The stream located up and down - gradient of the proposed stream impacts were previously piped with 36" RCP in the late 1960's /early 1970s Additional phases, resulting in future impacts to streams or wetlands are not anticipated or proposed at this time Page 4 of 12 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 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 W1 ❑ P ❑ T ❑ Yes ❑ Corps ❑ No ❑ DWQ W2 ❑ P ❑ T ❑ Yes ❑ Corps ❑ 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 impacts 2h Comments Wetland impacts are not proposed 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 Culvert Unnamed ® PER ❑ INT ® Corps ❑ DWQ 4 156 S2 []PMT ❑ PER ❑ Corps ❑ INT ❑ DWQ S3 ❑ P ❑ T ❑ PER ❑ Corps ❑ INT ❑ DWQ S4 ❑ P ❑ T ❑ PER ❑ Corps ❑ INT ❑ DWQ S5 ❑ PMT ❑ PER ❑ Corps ❑ INT ❑ DWQ S6 ❑ P ❑ T ❑ PER ❑ Corps ❑ INT ❑ DWQ 3h Total stream and tributary impacts 156 31 Comments 156 linear feet of perennial stream channel will be permanantly impacted by installation of a culvert Mitigation will be required due to the impacts being greater then 150 linear feet of stream channel Page 5 of 12 PCN Form — Version 1 3 December 10, 2008 Version 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 01 ❑P ❑T 02 ❑P ❑T 03 ❑P ❑T 04 ❑P ❑T 4f. Total open water impacts 4g Comments No open water impacts are proposed 5. Pond or Lake Construction If pond or lake construction proposed, then 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 511 Total 5g Comments No constructed ponds are 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 6. Buffer Impacts (for DWQ) If project will impact a protected riparian buffer, then complete the chart below If yes, then individually list all buffer impacts below If any impacts require mitigation, then you MUST fill out Section D of this form 6a ❑ Neuse El Tar-Pamlico ❑Other Project is in which protected basin? ❑ Catawba ❑ Randleman 6b 6c 6d 6e 6f 6g Buffer impact number — Reason Buffer Zone 1 impact Zone 2 impact Permanent (P) or for Stream name mitigation (square feet) (square feet) Temporary impact required? 131 ❑P ❑T ❑Yes ❑ No 132 []PMT ❑Yes ❑ No 63 ❑P ❑T ❑Yes ❑ No 6h Total buffer impacts 61 Comments No regulated buffer impacts are being proposed Page 6 of 12 PCN Form — Version 1 3 December 10, 2008 Version D Impact Justification and Mitigation 1. Avoidance and Minimization 1a Specifically describe measures taken to avoid or minimize the proposed impacts in designing project The proposed stream impacts are occurring on a reach of stream that up and downgradient portions of the stream have previously been piped Approximately 1,000 linear feet of stream channel were previously piped up- gradient of the proposed stream impacts and approximately 1,600 linear feet of stream channel were previously piped down - gradient of the proposed stream impacts Due to the amount of stream that has been previously impacted up and down - gradient of the proposed stream impacts, there is minmal aquatic habitat in the proposed impact area It is not functioning as a habitat corridor for aquatic life Aquatic life has not been observed in the area of stream that is proposed to be impacted Furthermore, when comparing green field site development versus the proposed use of the exisiting site, there would likely be far greater impacts to streams and wetlands than those proposed in this application The applicant will be using a site which the majority is currently developed Additionally, potential impacts associated with the development of a green field site with a proposed MOB would likely result in impacts to higher quality features and result in greater loss and impact to aquatic species and their habitat The extension of Healy Drive has been designed to traverse as near to the northeastern site boundary as possible In doing so, saftey concerns with bisection of parking areas and the MOB have been eliminated Furthermore, the extension of Healy Drive will result in less traffic congestion than the use of the existing road infrastructure, especially the heavily congested Silas Creek Parkway The proposed grade increase of the Healy Drive extension is approximately 20 feet Based on the proposed increase in grade, the use of retaining walls to avoid additional stream impacts is not economically feasible Additionally, the use of retaining walls to leave a portion of the stream open will have potential safety concerns for vehicular and pedestrain traffic traveling to and from the MOB, thus increasing the liability for injury for the property owner /developer It will be a maintenance issue as it will create an area that could clog up and flood parking areas and nearby structures The potential to create an unstable situation as the stream erodes down overtime and undermines the retaining wall is likely Furthermore, the use of retaining walls could provide a pathway for sediments and other contaiminants that could negatively effect down - gradient water bodies It is not a feasible option to leave a small open area down - gradient of Healy Road Based upon the developer /owners experience in management and operation of similair existing facilues, the number of parking spaces for the proposed MOB has been calculated to exceed local requirements The parking requirements of the proposed MOB have been designed to properly accommodate the anticiapted number of patients and employees However, the proposed grade in the vicinity of the stream is dictating the proposed stream impacts, not the proposed parking spaces 1b 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 A temporary coffer dam will be installed upgradient of the proposed culvert within areas of stream that will be permanently impacted by the culvert In areas that the proposed culvert is connecting to the existing culverts, the pump around will utilize manholes in the exisiting culvert and temporary coffer dams will not be used Upon completion of culvert installation, the temporary sand bag coffer dams will be removed and stream flow will be diverted through the culvert A Stream Pump Around and Dewatenng Detail exhibit is included as an attachment 2. Compensatory Mitigation for Impacts to Waters of the U S. or Waters of the State 2a Does the project require Compensatory Mitigation for ® Yes ❑ No impacts to Waters of the U S or Waters of the State? 2b If yes, mitigation is required by (check all that apply) ® DWQ ® Corps ❑ Mitigation bank 2c If yes, which mitigation option will be used for this projects 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 7 of 12 PCN Form —Version 1 3 December 10, 2008 Version 3c Comments Private mitigation banks are not available in this watershed 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 156 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 The NCEEP has accepted 156 linear feet of stream channel credits (EEP Acceptance Letter is attached) Based on the minimal aquatic habitat and lack of aquatic species, the applicant proposes a 1 1 mitigation ratio for the proposed stream impacts 5. Complete if Using a Permittee Responsible Mitigation Plan 5a If using a permittee responsible mitigation plan provide a description of the proposed mitigation plan 6. Buffer Mitigation (State Regulated Riparian Buffer Rules) — required by DWQ 6a Will the project result in an impact within a protected riparian buffer that requires 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 15 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 The site is located in the Yadkin River basin, a basin without state regulated riparian buffer rules Page 8 of 12 PCN Form — Version 1 3 December 10, 2008 Version E. Stormwater Management and Diffuse Flow Plan (required by DWQ) 1. Diffuse Flow Plan 1a Does the project include or is it adjacent to protected riparian buffers identified ❑ Yes ® No within one of the NC Riparian Buffer Protection Rules? lb If yes, then is a diffuse flow plan included? if no, explain why Comments Stormwater run -off will be discharged directly into underground ❑ Yes ® No stormwater tanks that discharge to sand filters 2. Stormwater Management Plan 2a What is the overall percent imperviousness of this project? 7392% 2b Does this project require a Stormwater Management Plan? ® Yes ❑ No 2c If this project DOES NOT require a Stormwater Management Plan, explain why 2d If this project DOES require a Stormwater Management Plan, then provide a brief, narrative description of the plan Stormwater will be treated via underground storage tanks that discharge captured stormwater to a sand filter treatment system Stormwater devices have been designed to treat at least 85% total suspended solids The stormwater management plan has been designed to treat stormwater based on the site being 73 92% impervious The stormwater plan is being mailed to the City of Winston Salem for review and is not included in this permit application ® 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 government's jurisdiction is this project? Winston Salem ❑ 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 ❑ Yes ® No attached? 5. DWQ 401 Unit Stormwater Review 5a Does the Stormwater Management Plan meet the appropriate requirements? ® Yes ❑ No 5b Have all of the 401 Unit submittal requirements been met? ® Yes ❑ No Page 9 of 12 PCN Form — Version 1 3 December 10, 2008 Version F. Supplementary Information 1. Environmental Documentation (DWQ 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)? 1 c If you answered "yes" to the above, has the document review been finalized by the State Clearing House? (If so, attach a copy of the NEPA or SEPA final approval ❑ Yes ® No letter) Comments A NEPA or SEPA is not required as part of this project 2. Violations (DWQ Requirement) 2a Is the site in violation of DWQ Wetland Rules (15A NCAC 2H 0500), Isolated 'Wetland Rules (15A NCAC 2H 1300), DWQ Surface Water or Wetland Standards, ❑ Yes ® No or Riparian Buffer Rules (15A NCAC 2B 0200)? 2b Is this an after - the -fact permit application? ❑ Yes ® No 2c If you answered "yes" to one or both of the above questions, provide an explanation of the violation(s) 3. Cumulative Impacts (DWQ Requirement) 3a Will this project (based on past and reasonably anticipated future impacts) result in ❑ Yes ® No additional development, which could impact nearby downstream water quality? 3b If you answered "yes" to the above, submit a qualitative or quantitative cumulative impact analysis in accordance with the most recent DWQ policy If you answered "no," provide a short narrative descnption We are not aware of additional development that will impact nearby downstream water quality 4. Sewage Disposal (DWQ Requirement) 4a Clearly detail the ultimate treatment methods and disposition (non - discharge or discharge) of wastewater generated from the proposed project, or available capacity of the subject facility Wastewater from the MOB will be disposed of by municipal sewer service provided by the City of Winston Salem No stream or wetland impacts will occur that are associated with sewage disposal and/or installation of sewage lines Page 10 of 12 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? E] 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 Winston Salem West, NC Quadrangle (the quadrangle that contains the site) The bog turtle (Glyptemys muhlenbergn) was identified on the Winston Salem West NC Quadrangle as a federally listed threatened (due to simdair appearance) species The bog turtle typically inhabits mud, grass and aphagnum moss of bogs, swamps and marshy meadows These wetlands are usually fed by cool springs flowing slowly over the land, creating the wet, muddy sod needed oy the turtles Wetlands are not located on the site and will not be impacted by the proposed project We did not observe the bog turtle or suitable habitat for the bog turtle on the site There are no other federally listed endangered or threatened species that have been identified on this quadrangle 6. Essential Fish Habitat (Corps Requirement) 6a Will this project occur in or near an area designated as essential fish habitats ❑ Yes ® No 6b What data sources did you use to determine whether your site would impact Essential Fish Habitat? Based on our knowledge of the site, the site is not located in or near an area designated as essential fish habitat We did not observe fish inhabiting the stream during our site visits Best management practices will prevent sediment from entering down gradient waterbodies which may contain fish 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? We reviewed the SHPO Map (http / /gis ncdcr gov /hpoweb /) to identify historic and /or archaeological resources of the site The SHPO map did not identify historic and/or cultural resources on the site or in the vicinity of the site A copy of the map is included as an attachment 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 8c What source(s) did you use to make the floodplam determination? North Carolina Floodplain Mapping Program, View Attachments 10/7/13 Bradley S. Luckey Page 11 of 12 PCN Form —Version 1 3 December 10, 2008 Version Date Applicant/Agent's Printed Name I Applicanty+Agent's Signature (Agent's signature is valid only if an authorization letter from the applicant Page 12 of 12 PCN Form — Version 1 3 December 10, 2008 Version Stimmel 601 N. Trade Street date: 10 -01 -2013 job #: 12 -273 Suite 200 Winston Salem, NC project: Brackett- Flagship -Silas Pointe MOB Landscape Architecture 27101 -2916 i neerin Scale: 1" =300' Sheet 1 of 2 Civil Engineering g P: 336.7211067 Stimmel Associates, PA Land Planning F: 336.723.1069 description: OVERALL SITE SHOWING LOCATION OF EXHIBITSTREAM IMPACT 1�►�ry�� 1/1 4f y L 0C t a 11ne, \ STREAM IMPACT #1, \ \ SEE SHEET 2 OF \ \S \ \ EXHIBIT FOR DETAIL !f / r V 1 r ! s pip lye f , \ P VA # SCALE: 1 = 100 \� 100 0 100 =: \12- 273 \Drawings \CD's \12 -273 Civil.dwg : overall 10/03/13 1:31pm PLAN ViEW approved deweterin0 device \ stream diversion pumps discharge hoses intake A ' f p' dswatenng pump .0 hose "r `t� � stow intake hose 0 flow c� sediment dike i�� clean water dike ! sump -hole _or pool 020 to 18" deep work dry pumps should discharge length not to exceed onto a stable velocity that which e be dissipater made of rip rap completed n one day orsandbags SEC110N A —A !rnparmus sheeting base flow + i toot work area 'i` i " (2 loot minimum) cross secncn of sandbag dike PUMP AROUND DETAIL NOTESe 1. PUMP AROUND DIKES SHALL NOT BE SET OUTSIDE OF THE DISTUREBED /IMPACT LIMITS SHOWN ON THE PLANS. 2. INSTALL PUMP - AROUND DNERISON AND DEWATER THE CONSTRUCTION ZONE THROUGH THE DEWATERING DEVICE. THE CONTRACTOR SHALL STAGE THE LIMITS OF THE PUMP - AROUND FLAW ONERSION TO DEWATER ONLY THAT SECTION SCHEDULED FOR THAT DAYS WORK. AT THE END OF EACH WORK DAY, THE WORK AREA SHALL BE SiABILIZED, THE PUMP AROUND PRACTICE REMOVED, AND THE FLOW RESTORED TO THE CHANNEL WORK SHALL BE COMPLETED ONLY DURING FORECAST PERIODS OF DRY WEATHER. PLAN VIEW r- straw We dike or berm 1 - (0.45 m) +_ minimum j I j j minimum i i I' j 0.9 m A.F.._ ! stone outlet structure SECTION 1.5 It (0,45 m)�� flow A=A A �- filter fabric i; 4 to 6-4n (10 to 15 cm) riprop SECTION R -B 2 to 3 -ft (0.6 to 0,9-m) rebar or stakes for Straw bales 6 inches (15 cm) 4 -in (10 -cm) minimum depth DEWATERING BASIN DETAIL 1 STREAM PUMP AROUND AND DEWATERING DETAILS f 3,R (0,9-m) minimum _. ECS Carolinas, LLP AGENT AUTHORIZATION Scope of Work: Permitting Services Location: Silas Pointe Winston Salem, 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 (duality field verification and permit application. Property Address: 3 3 5/LA 5 e e,d e vwx /C duri 7 3 Owner Informatlon: Name:�B;�.� Address: Telephone Number: 4 ,' j — 4Lf 9. _ Fax Number: 20 Email Address: 40 Ws fD 4AAeA'� r T. t- Aire514,A. ca Data: Z- Ecosystem PRQGRAM October 2, 2013 Charles Campbell Broyhill Silas Point MOB, LLC 2701 Coltsgate Road. Suite 300 Charlotte, NC 2821 1 Project: Silas Point Medical Office Building Expiration of Acceptance: April 2, 2014 County: Forsyth The purpose of this letter is to notify you that the North Carolina Ecosystem Enhancement Program (NCEEP) is willing to accept payment for compensatory mitigation for impacts associated with the above referenced project as indicated in the table below. Please note that this decision does not assure that participation in the NCEEP will be approved by the permit issuing agencies as mitigation for project impacts. It is the responsibility of the applicant to contact these agencies to determine if payment to the NCEEP will be approved. You mUat also cgD]ply with all other state. federal gr local gov&mMent pgrMits. regwlgji r aLithprizAtion6 ass2ciated with the mosed activity rose incl4ding SL 2OQ9-3,37: Act tQ P o► ote the Uge gf Cgmpen§aJgry .Miliggtign Batiks as amended by S.L. 2011 -3431 This acceptance is valid for six months from the date of this letter and is not transferable. If we have not received a copy of the issued 404 Permit /461 Certification /LAMA permit within this time frame, this acceptance will expire. It is the applicant's responsibility to send copies of the permits to NCEEP, Once NCEEP receives a copy of the permit(s) an invoice will be issued based on the required mitigation in that permit and payment must be made prior to conducting the authorized work. The amount of the In- Lieu Fee to be paid to NCEEP by an applicant is calculated based upon the Fee Schedule and policies listed at www.nceep.net, Based on the information supplied by you in your request to use the NCEEP, the impacts that may require compensatory mitigation are summarized in the following table, The amount of mitigation required and assigned to NCEEP for this impact is determined by permitting agencies and may exceed the impact amounts shown below. Impact River Basin CU Location Stream (feet) Wetlands (acres) Buffer I (Sq. Ft.) Buffer Il (Sq. Ft.) Cold Cool Warm Riparian Non-Riparian Coastal Marsh Yadkin 03040 10 1 0 0 156 0 0 0 0 0 Upon receipt of payment, EEP will take responsibility for providing the compensatory mitigation. The mitigation will be performed in accordance with the N.C. Department of Environment and Natural Resources' Ecosystem Enhancement Program In -Lieu Fee Instrument dated July 28, 2010. Thank you for your interest in the NCEEP. If you have any questions or need additional information, please contact Kelly Williams at (919) 707 -8915. Sincerely, Ja is B Stanfill Asset Management Supervisor cc: Karen Higgins, NCDWR Wetlands /401 Unit John Thomas. USACE- Raleigh Sue Homewood. NCDWR- Winston -Salem Bradley Luckey, agent File kutor' .. E .. Pro" Our ka& RUM North Carolina Ecosystem Enhancement Program, 1652 Mail Service Center, Raleigh, NC 27699 -1652 /9'19-707-8976 /www,nceep.net 0 fou St "r AN C1 UK 20 Transou.Hauii and Jones Cash Stor4r, A -d Y5 n 4B; ok <> k FY2(314 AR C -House No.4 vi 094 Hanes" to' > 6. # > is. Park bylvin S1 4 Birchwood Dr I St FY3586 North C.4111 Eye Honk (M.-- Pollard Do I AV. FY3585 Wachovi3 n ryk PY3584 Carpenter's Flower Shop C I '?r(o (q %Vv jT"PTIh(jqf1" Rd Old Vineyard'14d SW FORSYTH taw or Wool ffrruly Or Oaks V1. FY3576 Lit.. El.4-.t.,y SW.1 V, 0) Mooney Haq CL 31575 Forsyth Technical Community Jolla e. 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Skvarla, III Mr. Bradley Luckey ECS Carolinas, LLP 4811 Koger Boulevard Greensboro, NC 27407 Director Subject Property: 3340 Silas Creek Parkway, Winston Salem, Forsyth County On -Site Determination for Applicability to the Mitigation Rules (15A NCAC 2H .0506(h)) Dear Mr. Luckey: Secretary September 5, 2013 On August 30, 2013, at your request and in your attendance, Sue Homewood conducted an or -site determination to review a feature located on the subject property for intermittent /perennial determinations with regards to the above noted state regulations. The feature that was reviewed is identified on the attached map. The channel identified on the attached maps was determined to be perennial throughout the property boundary. Please note that at the time of this letter, all intermittent and perennial stream channels and jurisdictional wetlands found on the property are subject to the mitigation rules cited above. These regulations are subject to change in the future. The owner (or future owners) should notify the DWR (and other relevant agencies) of this decision in any future correspondences concerning this property. This on -site determination shall expire five (5) years from the date of this letter. �hhnston -Salem Regional 08Ice Location 585 Waughtown St Winston - Salem. Mo0h C aro hn;� Phone 336­771 5000' PA.X 335 - 771 -463(, :usto e ervi Internet Aww ncwaterquallty org An Equal ')pportunity' Affirmative A.chrn Employee NorthCarolina Naturally Brad Luckey Broyhill Silas Pointe MOB LLC Stream Determination September 5, 2013 Page 2 of 2 Landowners or affected parties that dispute a determination made by the DWR or Delegated Local Authority that a surface water exists and that it is subject to the buffer rule may request a determination by the Director A request for a determination by the Director shall be referred to the Director in writing c/o Karen Higgins, DWR, Wetlands, Buffers and Stormwater Compliance Unit, 2321 Crabtree Blvd., Suite 250, Raleigh, NC 27604 -2260 Individuals that dispute a determination by the DWR or Delegated Local Authority that "exempts" surface water from the buffer rule may ask for an adjudicatory hearing. You must act within 60 days of the date that you receive this letter Applicants are hereby notified that the 60 -day statutory appeal time does not start until the affected party (including downstream and adjacent landowners) is notified of this decision DWR recommends that the applicant conduct this notification in order to be certain that third party appeals are made in a timely manner To ask for a hearing, send a written petition, which conforms to Chapter 150B of the North Carolina General Statutes to the Office of Administrative Hearings, 6714 Mail Service Center, Raleigh, N.C. 27699 -6714 This determination is final and binding unless you ask for a hearing within 60 days This letter only addresses the applicability to the mitigation rules and the buffer rules and does not approve any activity within Waters of the United States or Waters of the State or their associated buffers. If you have any additional questions or require additional information please contact me at 336 - 771 -4964 or sue homewood @ncdenr gov Sincerely, Sue Homewood DWQ Winston -Salem Regional Office Enclosures. USGS Topo Map cc Broyhill Silas Pointe MOB, LLC, 2701 Coltsgate Rd, Suite 300, Charlotte NC 28211 John Thomas, USACE Raleigh Regulatory Office (via email) DWQ, Winston -Salem Regional Office