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Home My WebLink About20140593 Ver 1_401 Application_20140614=0140583 PAID LEONARD S. RINDNER, PWS Environmental Planning Consultant 3714 Spokeshave Lane Professional Wetland Scientist Matthews, NC 28105 Land Planning (704) 904 -2277 June 9, 2014 Mr. William Elliott U.S. Army Corps of Engineers Asheville Regulatory Field Office 151 Patton Avenue, Room 208 Asheville, NC 28801 Mr. Alan Johnson NCDENR Division of Water Resources 610 East Center Street, Suite 301 Mooresville, NC 28115 Mr. Elliott and Mr. Johnson, Enclosed is a Pre - Construction Notification (PCN) for the proposed storm water treatment pond to service Hagood Reserve residential development at the intersection of Carmel Road and Colony Road, in Charlotte, Mecklenburg County, North Carolina. Mr. Len Rindner spoke with Mr. Steve Kichefski in March 2014 regarding this project and Mr. Kichefski agreed that we could apply for a Nationwide Permit #29 to use a portion of the existing pond for the new treatment pond and that no mitigation would be required. Thank you for your consideration and please contact me if you have any questions, (828) 708- 7059 or email at amanda.jones ,wetlands -e .com. mcpmuwq JUN 1 1 2014 Sincerely, OPPO__ Amanda Jones 20140583 OF W A �F9 p Office Use Only Corps action ID no. PAID p < DWQ project no. Form Version 1.4 January 2009 Page 1 of 10 PCN Form — Version 1.4 January 2009 Pre - Construction Notification (PCN) Form A. Applicant Information 1. Processing 1 a. Type(s) of approval sought from the Corps: Q Section 404 Permit ❑ Section 10 Permit 1 b. Specify Nationwide Permit (NWP) number: 29 or General Permit (GP) number: 1c. Has the NWP or GP number been verified by the Corps? Q Yes ❑ No 1d. Type(s) of approval sought from the DWQ (check all that apply): Q 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 DWQ 401 Certification: ❑ Yes ❑X No For the record only for Corps Permit: ❑ Yes ❑X No 1f. 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 0 No 1 g. Is the project located in any of NC's twenty coastal counties. If yes, answer 1 h below. ❑ Yes ❑X No 1h. Is the project located within a NC DCM Area of Environmental Concern (AEC)? ❑ Yes ❑X No 2. Project Information 2a. Name of project: Hagood Reserve Residential Development 2b. County: Mecklenburg 2c. Nearest municipality / town: Charlotte 2d. Subdivision name: 2e. NCDOT only, T.I.P. or state project no: 3. Owner Information 3a. Name(s) on Recorded Deed: Colony Carmel Investors, LLC 3b. Deed Book and Page No. 8:28493 P:708 3c. Responsible Party (for LLC if applicable): Bailey W. Patrick, Manager 3d. Street address: 521 E. Morehead Street, Suite 400 3e. City, state, zip: Charlotte, NC 28202 3f. Telephone no.: 704- 248 -2102 3g. Fax no.: 3h. Email address: bpatrick @mpvre.com Page 1 of 10 PCN Form — Version 1.4 January 2009 4. Applicant Information ,(if'different from; owner) 4a Applicant is ❑ Agent ❑X Other, specify 4b Name Wade Miller 4c Business name (if applicable) - Copper Builders 4d Street address 1235 -E East Blvd , Suite 155 4e City, state, zip Charlotte, NC 28203 4f Telephone no 704- 965 -9252 4g Fax no 4h Email address wade @copperbuilders corn 5. Agent/Consultant Information (if applicable) 5a Name Leonard S Rindner 5b Business, name (if applicable) Leonard S Rindner, PLLC, Wetlands & Environmental'Planning Group 5c Street address 3714 Spokeshave Lane 5d City, state, zip Matthews, NC 28105 5e Telephone no, 704 - 904,2277 5f Fax no 5g Email address len nndner @wetlands -epg corn Page 2 of 10 B. Project Information and Prior Project History 1: Property,ldentification 1a Property identification no (tax PIN or parcel ID) 21163234 1'b Site coordinates (in decimal degrees) I Latitude 35 131137 Longitude -80 809594 1 c. Property size 914 acres 2. Surface Waters 2a Name,of nearest body of water to proposed, project McAlpine Creek 2b Water Quality Classification of nearest receiving water- C 2c River basin Catawba 3. Project Description 3a Describe the existing conditions on the.site and ,the- general land use m,the °vicinity of the project,at the time of this application The site currently partially wooded and partially distnibed /graded for residential development and is surrounded by residential housing developments 3b List the, total estimated acreage of all existing wetlands on the property, 0 1 3c List the total estimated linear feet of all existing streams (intermittent and perennial) on °the property `0, 3d Explain the purpose of the proposed project The purpose is to constructa storm water management BMP to service a proposed residential housing development 3e Describe the overall project in detail, including the'type ofrequipment to be used The BMP will beiconstructed using dump trucks, back hoes, excavators, etc 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) irrthe past? N Yes ❑ No ❑ Unknown Comments Was reviewed b Steve Kichefski in March 20,14 y 4b If the Corps made the jurisdictional determination, what type of determination was made? Preliminary ❑ Final 4c If yes, who delineated the,jurisdictional,areas? Name (if known) Pat Kealy Agency /Consultant Company Leonard S Rindner, PLLC Other 4d If yes, list the dates of the Corps jurisdictional determinations or State determinations and attach documentation 5. Project History 5a Have permits or certifications been requested or obtained for this project (including all prior phases) in the past? El Yes ❑X No ❑.Unknown 5b If yes, explain in detail according to "help file" instructions 6. Future Project Plans 6a Is this a phased project? ❑ Yes ❑X No +6b If yes, explain Page 3 of 10 PCN Form — Version 14 January 2009 C. Proposed Impacts Inventory 1. Impacts Summary la Which sections were completed below for your project (check all that apply) ❑ Wetlands ❑ 'Streams —, tributaries ❑ Buffers ❑X 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 Wetland impact number Permanent (P) or Temporary T 2b Type of°impact 2c Type of wetland 2d Forested 2e Type of jurisdiction Corps (404,10) or DWQ (401, other) 2f Area of impact (acres) M - Choosejone Choose one Yes /No - W2 - Choose one Choose one Yes /No - W3 - Choose one Choose one Yes/No - W4 - Choose one Choose one Yes /No - W5 - Choose one Choose one Yes /No - W6 - Choose one Choose one Yes /No - 2g Total Wetland Impacts: 2h Comments 3. Stream Impacts If there are perennial or intermittent stream impacts (including temporary impacts) proposed on the site, then complete this question for all stream sites impacted 3a Stream'impact number Permanent (P) or Temporary (T) 3b Type of impact 3c Stream name 3d Perennial (PER) or intermittent (INT)f? 3e Type of jurisdiction 3f Average stream width (feet) 3g Impact length (linear feet) S1 S2 S3 - Choose one - - S4 - Choose one - - S5 - Choose;one - - S6 - Choose,one - - 3h Total stream and tributary impacts 31 Comments Page 4 of 10 PCN Form — Version 1 4 January 2009 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 individual) 'list all open water impacts below 4a Open water Impact number Permanent (P) or Temporary-(T) 4b Name of waterbody (if applicable) 4c Type of Impact 4d Waterbody type 4e Area of Impact (acres) 01 P Open Water Pond Fill Pond 049 O2 - Choose one Choose 03 Choose one Choose 04 Choose one Choose 4f Total open water impacts 049 4g Comments 5. Pond or Lake Construction If pond or lake construction proposed, the complete the chart below 5a Pond ID number 5b Proposed use or purpose of pond 5c Wetland Impacts (acres) 5d Stream Impacts (feet) 5e Upland (acres) Flooded Filled Excavated Flooded Filled Excavated P1 Choose one P2 Choose one 5f Total: 5g Comments 5h Is a dam high hazard permit required9 ❑ Yes ❑ No If yes, permit ID no- 61 Expected pond surface area (acres) 5j Size of pond,watershed (acres) 5k Method of construction A. 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 an impacts require mitigation. then MUST fill out Section D,of this form. 6a. Project is,`in which protected basin? ❑ Neuse ❑ Tar - Pamlico ❑ Catawba ❑ Randleman ❑ Other 6b Buffer Impact number — Permanent (P) or Temporary T 6c Reason for impact 6d Stream name 6e Buffer mitigation required? 6f Zone 1 impact (square feet ) 6g Zone 2 impact (square feet 131 - Yes /No B2 - Yes /No B3 - Yes /No B4 - Yes /No B5 - Yes /No B6 - Yes /No 6h Total Buffer Impacts: 61 Comments Page 5 of 10 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`9 -acres site,contains,an approximately 2 -acre open waterpond The upland areas are being+ developed fora residential development however given the small.size of the site and the location/size of the pond, impacts to the pond are unavoidable Impacts have been minimized by=nverting a portion of the pond to,a storm water BMP which will allow a portion of the impacts to remain opentwater wetland,versus,the other option of completely draining /filling the pond for residential housing pads/infrastructure 16 Specifically describe measures taken to avoid or minimize the proposed impacts through construction techniques Appropriate sediment and,erosion control devices will 'be installed'`to ensure4hat no additional impacts occur to'the remaining pond (approximately 1 5 acre) outside the proposed impact area 2. Compensatory Mitigation for Impacts to Waters of the U.S. orWaters of the State 2a Does the project require,Compensatory Mitigation for impacts to Waters of the U S or Waters of the State? ❑ Yes ® No 2b If yes, mitigation is required by (check all that apply) ❑ DWQ ❑ Corps 2c If yes, which mitigation option will be used for this project? ❑ Mitigation bank ❑ 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 Choose one 'Type Choose one Type Choose one Quantity Quantity Quantity 3c Comments, 4. Complete if Making a Payment to In -lieu Fee Program 4a. Approval letter from in-lied fee program is attached ❑ Yes 4b Stream mitigation requested linear feet 4c If using stream mitigation, stream temperature Choose one 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 Page 6 of 10 PCN Form — Version 14 January,2009 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 1 5 6f Total buffer mitigation required: 6g If buffer mitigation is required, discuss what type of mitigation is proposed (e g , payment to private mitigation bank, permittee responsible riparian buffer restoration, payment into an approved in -lieu fee fund) 6h Comments Page 7 of 10 E. Stormwater Management and Diffuse Flow Plan (required by DWQ) 1. Diffuse Flow Plan 1 a Does the project include or is it- adjacent to protected riparian buffers identified ❑ Yes ® No Within one of the NC Riparian,, Buffer Protection Rules? lb If yes, then is a diffuse flow plan included? If no, explain why ❑ Yes ❑ No 2. Stormwater Management Plan 2a What is the overall percent imperviousness of this project? 80 2b. Does this project-require a.Stormwater Management Plan? ❑X 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 The plan�mcludes the constructiomof Wet Pond to treat storm °water from the site in accordance with Charlotte - Mecklenburg Phase II, Post - Construction Ordinances 2e Who will be responsible for the review, of the Stormwater Management Plan? City and State 3. Certified Local Government Stormwater Review 3a In which local government's jurisdiction is this project? City of,Charlotte Z Phase II ❑ NSW 3b. Which of =the following locally - implemented stormwater management programs ❑ USMP apply,(check all that apply) ❑ Water Supply Watershed ❑ Other 3c Has the approved Stormwater Management °Plan with proof of approval been ❑ Yes ❑X 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 ❑X 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 8 of 10 PCN Form— Version 14 January 2009 F. Supplementary Information 1. Environmental Documentation (DWQ Requirement) la Does the, project involve an expenditure of public (federal /state /local) funds or the ❑ Yes ❑X No use of public (federal /state) land? 1'b. If you answered "yes" to the above, does the project require preparation of an environmental document pursuant to the requirements of the National or State El 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 ❑ Yes ❑ No letter) 'Comments 2: Violations (DWQ Requirement) 2a Is the,site in violation of'DWQ Wetland Rules (15A NCAC-2H 0500), Isolated Wetland Rules (15A NCAC 2H 1300), DWQ Surface Water or Wetland Standards, ❑ Yes Q No or Riparian Buffer Rules (15A NCAC 26 0200)? 2b Is this an after - the -fact permit applications El Yes ® No 2c If you answered "yes' to one or both of the above questions, provide an explanation of the violation(s) 3. Cumulative Impacts (DWQ Requirement) 3a Will this project (based on past and reasonably anticipated future impacts) result in ❑Yes ❑,No additional development, which could impact nearby downstream water quality? 3b If you answered "yes" to the above, submit a qualitative or quantitative cumulative impact analysis in accordance with the most - recent DWQ policy If you answered "'no," provide a,short narrative description Development will utilize existing infrastructure (roads, sewer) and are surrounded by existing °adjacent developments 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 Sewer lines will be installed toAie intorexistinglsewer infrastructure,and transported to nearest VVKrP Page 9 of 10 PCN Form,— Version 1 4 January 2009 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 ❑X No habitat? 5b. Have you checked with the USFWS concerning Endangered Species Act ❑ Yes ❑X No impacts? 5c. If yes, indicate the USFWS Field Office you have contacted. - 5d. What data sources did you use to determine whether your site would impact Endangered Species or Designated Critical Habitat? Professional knowledge of the area and listed species. Site does not support habitat for listed species known to occur in this area - Helianthus schweinitzii. 6. Essential Fish Habitat (Corps Requirement) 6a. Will this project occur in or near an area designated as essential fish habitat? ❑ Yes ❑X No 6b. What data sources did you use to determine whether your site would impact Essential Fish Habitat? Professional knowledge of the area. 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 ❑X 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? The North Carolina State Historic Preservation Office's HPOWEB GIS Service (https: / /gis.ncdcr.gov /hpoweb) 8. Flood Zone Designation (Corps Requirement) 8a. Will this project occur in a FEMA- designated 100 -year floodplain? ❑ Yes ❑X No 8b. If yes, explain how project meets FEMA requirements: 8c. What source(s) did you use to make the floodplain determination? Amanda Jones for Len Rindner 06 -09 -2014 Applicant/Agent's Printed Name Date pplicant/ ent's Signature (Agent signature is valid only if an authorization letter from the applicant is provided.) Page 10 of 10 MONARD_S._RIIND ER. WS SaWomental Planning Consultant 3714 Spokeshave Lane Protdislonal Weiland Sei_entist Matthews, NC 28105 Land Planning (704) 9042277 The purpose of this form is to authorize our firm to act on your behalf.in matters related to aquatic,rescurce O.e, stream*etlanda) identificatioWnug) g and regulato_ry,permitting. The undersigned, who are either registered property owners or legally under authorized to conduct due diligence activities on the property as identified below,,do hereby authorize associates of Leonard S. Rindner, PLLC, Wetlands and Environmental Planning Group (WEPG) to act on my behalf and take all actions necessary for the processing, issuance, and acceptance of applicable permits) and/or certification(s). Project/Site Name: HAGOOD RESERVE Property Address: 5952 Colony Road, Charlotte, NC 28226 Parcel Identification Number (PIN): 211. 632.34 Select one: I am an,Inierested "Buyervit6 Contract to Pnrehase Name: Wade Miller Co®pniey: Copper Builders Mailing Address: 1235 -B East Boulevard, Ste 155, Charlotte, NC 28203 Telephone Number: 704 = 965=9252 Electronic Mail Address: wade4i'copperbuilders.com 06/10/2014 Owner / Interested Buyer* / Other- Date * the Interested Buyer' /Other acknowledges that an agreement and/or formal contract to purchase and/or conduct due diligence activities exkts between the current property owner and ,the signatory of this authorization, in, cases where the property is not owned by the, signatory. % CcyjYCLC� STATE OF NORTH CAROLINA ) CONTRACT OF PURCHASE AND SALE COUNTY OF MECKLENBURG ) THIS CONTRACT OF PURCHASE AND SALE ( "Agreement"), made and entered into this 9tk day of March, 2014, by and between COLONY CARMEL INVESTORS LLC, a North Carolina limited liability company (hereinafter "Seller") and COPPER BUILDERS, INC., a North Carolina corporation (hereinafter "Purchaser"). RECITALS A. Hagood Reserve, LLC ( "Hagood Reserve', the predecessor in title to Seller, was the owner of a parcel of real property located at the southeast corner of Colony Road and Carmel Road in the City of Charlotte, Mecklenburg County, North Carolina, and containing approximately 9.14 acres, and further described in Deed Book 20179, Page 98, Mecklenburg County Public Registry (the "Entire Development'. Seller acquired title to Hagood Reserve's interest in the Entire Development by deed recorded in Book 27435, Page 585, Mecklenburg County Public Registry, through the foreclosure of a deed of trust recorded in Book 23147, Page 640, Mecklenburg County Public Registry, originally granted by Hagood Reserve to a trustee for the benefit of First Horizon Home Loans, a Division of First Tennessee Bank National Association (the "Original Lender'. Seller purchased the loan secured by the deed of mist in December 2011, and completed the foreclosure pursuant to an Order of the Clerk of Superior Court of Mecklenburg County, North Carolina, in Special Proceeding Number 10-SP -320 in June 2012 and recording a Notice of Foreclosure of a Deed of Trust in Deed Book 27578, Page 741, Mecklenburg County Public Registry, B. Prior to the foreclosure, Hagood Reserve executed and recorded the following instruments in the Office of the Register of Deeds for Mecklenburg County, North Carolina (the "Registry'): (1) a subdivision plat of the Entire Development, which is recorded in Plat Book 50 at Page 97 in the Registry (the "Plat"); (2) a Declaration of Condominium for Hagood Reserve Condominium (the "Condominium"), which is recorded in Book 25813 at Page 185 in the Registry (the "Declaration"); (3) plats and plans for the Condominium, which are recorded in Unit Ownership File No. 961 in the Registry (the "Plans"); and (4) a North Carolina Special Warranty Deed conveying Unit 103 of the Condominium (including an appurtenant 33.52% undivided interest in the common elements of the Condominium) to Sally H. James and Adele D. Hagood, Trustees of the W.W. Hagood, Jr. Trust (the " Hagood Trust"), which is recorded in Book 25814 at Page 689 in the Registry. Although the Original Lender did not subordinate the lien of its deed of trust to the Declaration or release Unit 103 from the lien and operation of its deed of trust, the foregoing documents were executed and delivered free and clear of the lien and operation of the deed of trust pursuant to an order of the United States Bankruptcy Court in the bankruptcy proceeding involving Hagood Reserve. C. As a result of the foreclosure and the prior conveyances by Hagood Reserve, Seller the owner of Units 101 and 102 of the Condominium, and their appurtenant 66.48% undivided 'interest in the common elements of the Condominium, and the Hagood Trust is the 3229729x5 22509.00011 s 4i.- r�44 164Ra i1 Carolinas Tdca Lp Bing Federal CU SITE HAGOOD RESERVE Charlotte, NC 4� Dordwam Eupa NE sodycot �C *, 0 2D" Wcvsoh Cororvmor, :203 Nok� � dr �A a, Loch Ln 4fl- Q�� J d' �g Carmel Road Park e X10 op � 6� d s Coe 0 Lori Ln N It ® 2014 Mi"ro Cwpbfmtipn ® 2013 Nokia LEONARD S. RINDNER PLLC Sheet: Page: Figure No. Wetlands & Environmental Planning Group HAGOOD RESERVE Drawn Reviewed 3714 Spokeshave Lane Matthews, NC 28105 by: NRN by: LSR (704) 904 — 2277 LEN.RINDNER.PWS @gmail.com VICINITY MAP *Approximate Boundary Dab -5 •T t CD � � 4 J•' i `�,Wljl��' ,' .✓ \.. ( C �� ( a' �rFiSYI�' f. FT? -r�7�r��t':tsr.:(nl.r�"ti5n: -; l vL_. ` f '�� , �' �!. /`� ' _. � ,.3'-�~_ C ,• •ate/ ' CD � � 4 J•' i `�,Wljl��' ,' .✓ \.. ( C �� ( a' �rFiSYI�' f. FT? -r�7�r��t':tsr.:(nl.r�"ti5n: -; HAGOOD RESERVE SITE - •+P R,, lop ot ( •� • • i • / x��'� '' . •' «. r ' `� r - USGS CHARLOTTE EAST (NC) QUAD ;' %, �'•w' 'r' �•r • , %'' ` (+( �' USGS WEDDINGTON (NC) QUAD All 1. t !,/.if`�k— y� ~M11�yt h� w...W� �I .yj j � t •�•� -- r fl • •� ' '� `'114 « �-7 .3 ; . ' '?� - . �'' • ` LOCATION: • - - • � �, � • LATITUDE LONGITUDE •SCALE ` r . .mfr �+ , •a•, • • �' 35.13115 N 80.80916 W 1200 600 0 1200(Feet)1 ,,+' �"1►'•. -ii!! • : HUC: 03050103 • r Lower Catawba ' or FIGURE N0. LEONARD S. RINDNER PLLC HAGOOD RESERVE SHEET: Wetlands & Environmental Planning Group DRAWN REVIEWED Charlotte, NC. PJK BY LSR BY: 3714 Spokeshave Lane Matthews, NC 28105 USGS CHARLOTTE EAST (NC) QUAD DATE: PAGE (704) 904 — 2277 1967 Photorevised 1988 LEN. RINDNER.PWS@gmail.com USGS WEDDINGTON (NC) QUAD 12/13/11 1968 Photorevised 1988 2�9 000 CcL,)2, low, CI HAGOOD RESERVE SITE LEONARD S. RINDNER PLLC SHEET. FIGURE N0. HAGOOD RESERVE Wetlands & Environmental Planning Group CHARLOTTE, NC. DRAWN PJK REVIEWED -SR BY: BY: 3714 Spokeshave Lane Matthews, NC 28105 (704) 904 — 2277 LEN. RINDNER.PWS @gmail.com PRELIMINARY MAP DATE: PAGE. 12113111 WATERS OF THE UNITED STATES FOR STUDY PURPOSES ONLY / SUBJECT TO U.S.A.C.E. 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W lu u z a mg cc o O g N w 2 O Z 0 2 O iz J W 2 cr u V Z LU w J_ m cc W a CL O L; 0 HYDROLOGIC ANALYSIS Charlotte CARMEL & COLONY Raleigh �+ a Wilmington +ColeJenes CJS PROJECT NO.: 4315 �7� DATE: 11011900 BY: CMS tone REVISED: RVW: RTF Land Planning + landscape Architecture + Civil Engineering + Urban Design DRAINAGE AREAS: (see attached drainage area map) 1=11Postalleveloped Drainage Area = 5 acres 0.006028 sq. miles Drainage Area= 3.858 acres 0.006028 s .miles (see attached soils map) Basin #2 Area % Soil Type Hydrologic Soil Group 100 CeB2 B CURVE NUMBER: Predeveloped CN BASIN #1 Cover Type % Im ervio Area ac % Total Imp. Area CN Wtd. CN woods (goo ) 0 1.93 0.50 0.0 55 27.5 Woods goo 0.00 0.00 0.0 70 0.0 oo s goo 0 0.00 0.00 0.0 77 0.0 GrasslOpen space goo ) 0 1.93 0.50 0.0 61 30.5 GrasslOpen space goo ) 0 0.00 0.00 0.0 74 0.0 GrasslOpen space goo ) 0 0.00 0.00 0.0 1 80 0.0 mpervious 100 2.81 0.00 0.0 98 0.0 Total 3.858 0.0 58.0 Use CN = 58 Postdeveloped CN BASIN #1 Cover T e % Im ervio Area ac % Total Imp. Area CN Md. CN ::coos (goo ) 0 0.00 0.00 0.0 55 0.0 Woods goo 0.00 0.00 0.0 70 0.0 Woods goo 0.00 0.00 0.0 77 0.0 GrasslOpen space goo 1.05 0.27 0.0 61 16.6 Grass /Open space goo ) 0 0.00 0.00 0.0 74 0.0 GrasslOpen space goo 0 0.00 0.00 0.0 80 0.0 Impervious 1 2.81 0.73 2.8 98 71.4 Total 3.858 2.8 87.9 Use CN = 88 You created this PDF from an application that is not licensed to print to novaPDF printer (http : / /www.novapdf.com) Mecklenburg County WQ Pond O Charlotte CARMEL 8 COLONY Raleigh Wilmington CJS PROJECT NO.: 4315 �t�� t DATE: 11011900 BY: CMJ REVISED: RVW: RTF I Land Planning + Landscape Architecture + Civil Engineering + Urban Design Mecklenburg County BMP Design Manual, July 2007 BASE DATA Total Drainage Area to Pond = 3.86 Acres Post - Developed Impervious Area 2.81 Acres, or 72.8 % CN = 88 WATER QUALITY VOLUME (WQv) Rv = runoff coefficient (Runoff /Rainfall) WQv = Water Quality Volume - inch /6 -hour water quality control I = % Impervious ( "Simple Method" - Schueler) Rv = 0.05 + 0.009(1) WQv = 1.0 "RvA 12 Rv = 0.71 WQv = 0.23 Ac. Ft. 9880 Cubic Feet Required WQv = 0.71 inches of runoff CHANNEL PROTECTION VOLUME (CPv) CPv = channel protection volume (1 -yr, 24 -hr channel protection control) Q = accumulated runoff volume, inches P = accumulated rainfall (potential maximum runoff), inches S = potential maximum soil retention, inches = (1000 1CN) -10 CN = SCS Curve number WQv = 0.23 Ac. Ft. S = 1.37 P =®-5 inches Q = (P- 0.2S)A2 / (P +0.8S) Page 1 of 5 You created this PDF from an application that is not licensed to print to novaPDF printer (http: / /www.novapdf.com) 0=1 1.45 inches CPv = Q(1112)(A) CPv =1 0.47 Ac. Ft. Page 2 of 5 You created this PDF from an application that is not licensed to print to novaPDF printer (http : / /www.novapdf.com) RELEASE RATES Release Rate for WO control: Water quality control volume is to be released over a 4 -day duration beyond the center of rainfall (96 hours plus 3 hour period) WO Release Rate = - 0.028 cfs Release Rate for CP control: Channel protection control volume is to be released over a 24 -hour period beyond the center of rainfall CP Release Rate =1 0.156 cfs POREBAY VOLUME Size wet forebay to treat 0.2 inch /impervious area PERMANENT POOL VOLWAAE' Design the permanent pool volume so that WQv /PPv = 1 0.3 PPv =1 0.76 Ac. Ft. Designed permanent pool elevation = Page 3 of 5 You created this PDF-from an application that is not licensed to print to novaPDF printer (hftp: / /www.novapdf.com) DA (ac) Imp. Area Forebay Volume (ac -ft) Inlet 1 3.9 2.8 0.05 Inlet 2 0.0 0.0 0.00 Inlet 3 0.0 1 0.0 1 0:00 PERMANENT POOL VOLWAAE' Design the permanent pool volume so that WQv /PPv = 1 0.3 PPv =1 0.76 Ac. Ft. Designed permanent pool elevation = Page 3 of 5 You created this PDF-from an application that is not licensed to print to novaPDF printer (hftp: / /www.novapdf.com) ELEVATION TO HOLD WQv Refer to Storage - Elevation Data Chart WQv Elevation = I 672.60 ORIFICE SIZING FOR WATER QUALITY VOLUME Avg extended detention release rate-I 0.028 cfs Avg Head = (WQv Elev -,Perm Pool Elev)J 2 =1 0.6 ft Use orifice equation Q = CA(2gh) "0.5 A= Q/(C *(2gh) "0.5) A =1 1.118 in "2 A = (¶ *d ^2)/4 d = ((A *4) /¶) "0.5 d =1 1.19 inches Page 4 of 5 You created,this PDF from an application that is not licensed to print to noVaPDF printer (http: / /www.novapdf.com) ELEVATION TO HOLD CPv Refer to Storage - Elevation Data Chart CPv Elevation = I 673.55 ORIFICE SIZING FOR CHANNEL PROTECTION VOLUME Avg extended detention release rate =1 2.156 cfs Avg Head = (WQv Elev -Perm Pool Elev) / 2 =1 1.0 ft Use orifice equation Q = CA(2gh) "0.5 A =1 4.617 in "2 A = (¶ *d "2)/4 d = ((A *4) /¶) "0.5 d =1 2.42 inches Page 5 of 5 You created this PDF from an application that is not licensed to print to novaPDF printer (h#,o,,//www_novapdf.com Water Quality Pond O CARMEL & COLONY N.k qn CJS PROJECT NO.: 4315 DATE: 11011900 BY: CM REVISED. RVW: RTF I and Pl-, �3 . I.r.1-P, Arrh,r,tw r . r �a -F�q i Mr,i�q . un�n D,ip BMP Basin Stora e - Elevation Data Elevation Areas Area ac Inc. Vol. ac -ft Total Accum. Vol. ac -ft Accum. Det. Vol. ac -ft Notes 662.00 1238 0.03 0.000 4 0.04 0.033 0.033 664.00 2013 0.05 0.042 0.074 0.06 0.051 0.125 0.07 0.062 0.187 0.08 0.073 0.261 0.09 0.086 0.347 669.00 4583 0.11 0.099 0.445 670.00 0 0.12 0.112 0.557 671.00 3� 0.13 0.126 0.684 671.50 1= 0.17 0.077 0.760 0.00 PPv 9427 0.22 0.097 0.858 0.10 10146 0.23 0.135 0.993 0.23 WQv 1 0.24 0.095 1.088 0.33 5 0.26 0.139 1.227 0.47 CPv 0.27 0.120 1.347 0.59 0.30 0.288 1.635 0.87 0.34 0.319 1.954 1.19 Required PPv = 0.76 ac -ft Design Permanent Pool Elevation = WQv = 0.23 ac -ft Elevation to hold Water Quality Volume = 672.60 CPv = ac-ft Elevation to hold Channel Protection Volume = 673.55 Page 1 of 1 You created this PDF from an application that is not licensed to print to novaPDF printer (http: / /www.novapdf.com)