Loading...
HomeMy WebLinkAbout20150485 Ver 1_Riparian Buffer Authorization_20150514Date: May 15, 2015 1667 Thomas A. Betts Pkwy., Rocky Mount, NC 27804 Phone: 252 - 446 -3017 - Fax: 252-446-7715 Firm License: C -0569 - www.mackgaypa.com LETTER OF TRANSMITTAL Re: P140121 Hampton Downs of Youngsville Duplex Subdivision To: Ms. Karen Higgins NC Division of Energy, Mineral and Land Resources NCDWR - 401 & Buffer Permitting Unit 512 North Salisbury Raleigh NC 27604 We are sending: ❑ Shop drawings ❑ Copy of letter ® Attached ❑ Prints ® Plans ❑ Change order rra MAY 1 4 2015 DENR 401 & Sup FER t?�c S�U�CEs ❑ Samples ❑Specifications COPIES DATE NO. DESCRIPTION 3 5/13/15 P140121 Project Plans 3 5/13/15 P140121 Riparian Buffer Authorization Form & Supporting Documentation THESE ARE TRANSMITTED as checked below: ® For approval ❑ Approved as submitted ❑ For your use ❑ Approved as noted ❑ As requested ❑ Returned for corrections ® For review and comment ❑ FOR BIDS DUE ❑ Resubmit copies for approval ❑Submit copies for distribution ❑ Return corrected prints REMARKS: Please contact Karen Callaway at karen @mackgaypa.com with any questions. Thank you! ,. 2 0 1 5 p 4 8 5 State of North Carolina � ,= �,�,����,t• Department of Environment and Natural Resources Division of Water Resources Division of Water Resources 15A NCAC 02B.0233 (8)(b), .0243 (8)(b), .0250 (11)(b), .0259 (8)(b), .0267 (11)(c), .0607 (e)(2) — Buffer Authorization FORM: BA 10 -2013 Riparian Buffer Authorization Form A. Applicant Information 1. Project Information 1 a. Name of project: Hampton Downs of Youngsville Duplex Subdivision 1 b. County- Franklin 1 c. Nearest municipality: Youngsville ld Subdivision name: Hampton Downs of Youngsville, Hampton Village of Youngsville 1e. Is the project located in any of North Carolina's twenty coastal counties If yes, answer if below. ❑ Yes dNo 1f. Is the project located within a NC Division of Coastal Management Area of Environmental Concern (AEC)? ❑ Yes 9No 2. Owner Information 2a Name on Recorded Deed Hampton Downs of Youngsville, LLC DB 1641 Pagel 80 Mason and Krystal Hurt DB 1965 Page 325 Fort Street Rentals, LLC DB 1649 Page 118 2b. Deed Book and Page No See above 2c Map Book and Page No (include a copy of the recorded map that indicates when the lot was created). MB 2007 Page 272, MB 2001 Page 291, MB 1999 Page 419 2d. Responsible Party (for Corporations)- Robert H. Coggins, III, Manager, Hampton Downs of Youngsville, LLC 2e. Street address: 2475 Hurt Drive 2f City, state, zip Rocky Mount, NC 27804 2g Telephone no . 252 -443 -0735 2h Fax no: 252 - 443 -4705 21. Email address nccoggins @embargmail com 3. Applicant Information (if different from owner) 3a. Applicant is- ❑ Agent ❑ Other, specify - 3b. Name: 3c. Business name (if applicable): 3d. Street address: ((p) U�-_. 91 "NZ P nZ1 3e. City, state, zip. _' 3f. Telephone no.. (� " V AY ) n, U I 3g Fax no ( - "' IJ I ( 3h Email address ( a; _ J �� �_ �.:���i�F���t f •., nets FORM BA 10 -2013 Page 1 of 7 INTERNAL DRAFT- NOT FOR PUBLIC USE Section A. Applicant Information, continued 4. Agent/Consultant Information (if applicable) 4a Name: 4b. Business name (if applicable) - 4c. Street address 4d. City, state, zip 4e. Telephone no.: 4f. Fax no.: 4g Email address. FOR.Nf. SSGP3080 8 -13 Page 2 of 7 B. Project Information and Prior Project History 1. Property Identification 1a Property identification no (tax PIN or parcel ID). 1853 -14 -5280, 1853 -13 -1792, 1853 -13 -1792 1 b Site coordinates (in decimal degrees). Latitude 36 0411 Longitude. -78 4877 1c Property size Hampton Downs of Youngsville, LLC - 21.38 acres Mason and Krystal Hurt — 1 24 acres Fort Street Rentals, LLC — 1 653 acres 2. Surface Waters 2a. Name of nearest body of water to proposed project- Unnamed tributary to Brandy Creek 2b Water Quality Classification of nearest receiving water- 28-29-3(l) 2c River basin- Tar - Pamlico 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. Severe erosion from an existing drainage pipe on adjacent Hampton Village Apartments (Fort Street Rentals.LLC) site, Hurt lot has one single - family residence, Hampton Downs of Youngsville, LLC property is undeveloped 3b. Attach an 8'/2 x 11 excerpt from the most recent version of the USGS topographic map indicating the location of the site 3c Attach an 8'h x 11 excerpt from the most recent version of the published County NRCS Soil Survey Map depicting the project site 3d List the total estimated linear feet of all existing streams (intermittent and perennial) on the property - 197 LF 3e Explain the purpose of the proposed project: Protection of existing pipe from Hampton Village Apartments; removal of old sediment basin when apartments were constructed in 2000; installation of outlet pipe from proposed wet detention basin for proposed residential subdivision 3f Describe the overall project in detail, including the type of equipment to be used: Hampton Downs of Youngsville, LLC proposes to build 120 duplex residential dwelling units (60 buildings) on 16 36 acres of a 21.38 acre tract between Wolfpack Lane and Park Avenue (Hwy 1 -A) in Youngsville NC As a part of the project, the developers would like to solve some maintenance issues related to an existing 24" HDPE drainage pipe that conveys runoff from the adjacent Hampton Village Apartments Drainage from the pipe has created a severe erosion problem that is undermining the pipe outlet The runoff from the pipe subsequently enters the buffered stream on the northeast side of the duplex project site The developers would also like to regrade an old sediment basin that was never removed after the apartments were constructed. Repairing both of these problems will require regrading the streambanks within the buffer as shown on the attached plans. Grading will take place above the ordinary high water mark The duplex development is proposing to utilize a wet detention basin that is designed to remove 90% total suspended solids. The second buffer impact is the construction of the outlet pipe from the detention basin through the buffer The pipe outlet will also be located above the ordinary high water mark. No heavy equipment will be used in the buffer The contractor will be required to use a lightweight long -arm excavator such as the Bobcat 331 Compact Excavator with a long -arm option or a walk behind mini track loader such as the Bobcat MT52 Fine grading in the buffer will be done by hand FORM: BA 10 -2013 Page 3 of 7 Project Information and Prior Project History 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? v Yes ❑ No ❑ Unknown Comments 4b. If yes, who delineated the jurisdictional areas Name (if known)- Jeff Harbour Agency/ Consultant Company Environmental Services, Inc Other - 4c If yes, list the dates of the Corps jurisdictional determinations or State determinations and attach documentation Jan 29, 2015 5. Project History 5a Have permits or certifications been requested or obtained for this project (including all prior phases) in the past'? ❑ Yes [] No ❑ Unknown 5b If yes, explain and detail according to "help file" instructions. 6. Future Project Plans 6a Is this a phased project? ❑ Yes gNo 6b If yes, explain FORM SSGP3080 8 -13 Page 4 of 7 C. Proposed Impacts Inventory 1. Buffer Impacts la Project is in which protected basin? ❑ Neuse LI Tar - Pamlico ❑ Catawba ❑ Randleman ❑ Jordan ❑ Goose Creek 1 b Individually list all buffer impacts below If any impacts require mitigation, then you MUST fill out Section D of this form Buffer impact Reason for Type of impact Stream name Buffer Zone 1 Zone 2 number — impact (exempt, allowable, mitigation Impact impact Permanent (P) allowable w/ mitigation) required? (sq ft) (sq ft) or Temporary T B1 El P ❑ T Protection of Allowable Unnamed trib ❑ Yes 9No 988 1784 existing to Brandy Creek structures B2 Q P ❑ T Outlet pipe from Allowable Unnamed trib to ❑ Yes Ef No 666 104 wet detention Brandy Creek basin B3 ❑ P ❑ T ❑ Yes ❑ No B4 ❑ P ❑ T ❑ Yes ❑ No B5 ❑ P ❑ T ❑ Yes ❑ No B6 ❑ P ❑ T ❑ Yes ❑ No Total buffer impacts 1c. Comments D. Impact Justification and Mitigation 1. Avoidance and Minimization la Specifically describe measures taken to avoid or minimize the proposed Impacts in designing project. B1 - Rip rap outlet protection from the existing apartment complex pipe will only be installed outside of the 50' buffer B2 — Proposed wet detention basin has been designed to remove 90% TSS 1 b Specifically describe measures taken to avoid or minimize the proposed impacts through construction techniques B1 and B2 - No heavy equipment will be utilized within the 50' buffer; construction sequence calls for contractor to begin and complete work within 48 hours and only when dry weather is predicted FORM: BA 10 -2013 Page 5 of 7 C. Impact Justification and Mitigation, continued 2. Buffer Mitigation 2a Will the project result in an impact within a protected riparian buffer that requires buffer mitigation? ❑ Yes [Q No 2b If yes, then identify the square feet of impact to each zone of the riparian buffer that requires mitigation and calculate the amount of mitigation required in the table below Zone Reason for impact Total impact (square feet Multiplier Required mitigation (square feet Zone 1 3 (2 for Catawba) Zone 2 1 5 Total buffer mitigation required: 2c If buffer mitigation is required, is payment to a mitigation bank or NC EEP proposed? ❑ Yes ❑ No 2d If yes, attach the acceptance letter from the mitigation bank or NC EEP. 2e If no, then discuss what type of mitigation is proposed 2f. Comments. FORNt SSGP3080 8 -13 Page 6 of 7 E. Diffuse Flow Plan All buffer Impacts and high ground impacts require diffuse flow or other form of ❑ Diffuse flow stormwater treatment. Include a plan that fully documents how diffuse flow will be [.Other maintained. If a Level Spreader Is proposed, attach a Level Spreader Supplement Form BMP If due to site constraints, a BMP other than a level spreader is proposed, please provide a ❑ Yes ED/No plan for stormwater treatment as outlined in Chapter 8 of the NC Stormwater BMP public (federal /state) land? Manual and attach a BMP Supplement Form. 1 b F. Supplementary Information 1. Environmental Documentation la Does the project Involve an expenditure of public (federal /state /local) funds or the use of ❑ Yes ED/No public (federal /state) land? 1 b If you answered "yes" to the above, does the project require preparation of an ❑ Yes ❑ No environmental document pursuant to the requirements of the National or State (North Carolina) Environmental Policy Act (NEPA/SEPA)? 1 c. If you answered "yes" to the above, has the document been finalized by the State ❑ Yes ❑ No Clearing House? (If so, attach a copy of the NEPA or SEPA final approval letter.) Comments: 2. Violations 2a Is the site in violation of DWR Wetland Rules (15A NCAC 02H 0500), Isolated Wetland i ❑ Yes No Rules (15A NCAC 02H .1300), DWR Surface Water or Wetland Standards, or Riparian Buffer Rules (15A NCAC 02B .0200)? 2b Is this an after - the -fact permit application? ❑ Yes dNo 2c. If you answered "yes" to one or both of the above questions, provide an explanation of the violation(s): Hampton Downs of Youngsvllle, LLC By Robert H. Goggins, III, 2� _ Manager /1 ! /fjt �� VV 5/12/2015 Applicant/Agent's Signa ure Applicant/Agent's Printed Name (Agent's signature is valid only if an authorization letter from the applicant is provided ) Date Send 3 complete sets of this form and accompanying documents to the following: For government transportation projects sent by First Class Dlfail via the US Postal Service NC DWR, Transportation Permitting Unit 1617 Mail Service Center Raleigh, NC 27699 - 1617 For all other projects sent by First Class 1lltail via the US Postal Service Karen Higgins NCDWR — 401 & Buffer Permitting Unit 1617 Mail Service Center Raleigh, NC 27699 - 1617 For government transportation projects sent by delivery service (UPS, FedEx, etc) OR NC DWR, Transportation Permitting Unit 512 N. Salisbury Street Raleigh, NC 27604 For all other projects sent by delivery service (UPS, FedEx, etc) OR Karen Higgins NCDWR — 401 & Buffer Permitting Unit 512 N. Salisbury Street Raleigh, NC 27604 FORM- BA 10 -2013 Page 7 of 7 NORTH 1 HERESY CERTIFY THAT THE SUBDIVISION PLAT SHOWN MUTES. QN HEREON HAS BEEN FDUMB TO COMA T WITH THE SUBDIVISION _PROPERTY IS SUBJECT TO A 60 NC DOT ROW ALONG US NWT 0 I-A REGULATIONS OF THE TOWN OF YDUNGSVILLE WITH ALL _ppOPCRTY IS SUB TO ALL [ASEH[NTS, ALRCENENTS AND ROW S ON VARIANCES NOTED IN THE MINUTES OF THE YOUNGSVILLE BOARD RECORD PRIOR TO THE RECORDING OF THIS PLAT OF COMMISSIONERS AND THAT THIS PLAT IS APPROVED -ALL DISTANCES ARE HORIZONTAL GRDUNU DISTANCES FOR RE[OROIIBT IN THE OFFICE OF THE REGISTER OF DEEDS G UT k 7 Y YDUNGSVILLE HWY # O6 VICINITY AIAP _LEGEND NNFS SURI'EYEO unES OT SUNALY -D LIP -- EIISTDIG INCH PIPE EGM - -- EAISTING —CM., NONU.— A, - -- NEW IRON PIPE ,IN - -- K NAIL DOUIL E uERNlw1 pSTN.CE C"'sue Jp,�V'PET = T' /G 7cv/ SUINGVISION ADHEIT kx OR •,J DATE -- 1u Eo >- POUNDS,` F C WINSTON DEED BOOK # 753, PAGE / 620 1 JAMES WADE ATKINSON. JR A REGISTERED LAND SURVEYOR CERTIFY THAT THIS PLAT REPRESENTS A SUBDIVISION OF LAND WITHIN THE AREA OF A COUNTY THAT HAS AN ORDINANCE THAT REGULATES PARCELS OF LAND R \W - -- OHOLY OF nAY 0 --- CUAIPULL. POI., Z ROFESSIONAL LAND SLR E O IIONi11 CAR(AINA FRWNWI CUUeir FC WINSTON DEED BOOK If 753 PAGE 0 620 JN.IES WADE ATK4ISON JR CERTIFY THAT THIS PUT WAS DRAWN UNDER Dy y. COuPUIDC MIT SUPERNLON ... IAN A�IUAL FIELD i UR— LU(O(E UNDER MY SUPEAVI51011) .1 HOPS rAC. P 1. O PRECISION ASBGA CITIATED4BY UTTIUGE30A, 0 111111 IS 1 20000 ny F gP7 D DIAT TT 1E BOUNOARES NOT SURVEYED AA E SHOWN AS BROK01 ONES PLOTTED FROM R OW NFOALL\BON FOUND W PPF / i S DE // 01 ThAT THIS PUT WAS PREPARED LY 2 h gg7J3' 8 4J ACCORDNICE WITH GS 47 -30 AS AMENDCO RIESS MY ORIGUTAL SIG—RE \ IgP ))• REGISTRADDN NUUBEA AND SEAL THIS 5TH DAY OF JULY A.D 1001 g DATE SEAL CA ST..AW i WORTH CAROLINA FMANALYI COUNTY ROWS \ Go—. \ � <09NE B -T LINE TABLE Z LINE LENGTH BEARING \ 5URlEY R LI 4288 $ 41 -W \ LI 1 -344b L2 760 549.45'3]'W kEGI51 NATION NUMSE L3 1060 53537 OWW L4 3380 S03 12.51'E \ YO IS 250 N70- 58.37 -E L6 236 S01.11IS'V \ L7 4170 N27 53 RWE \ L LB 1920 S89.04'00'E \ C'I L9 2707 S57'52'19'V \ •K� nN 82- 22' -51 LI0 3358 S55'0131'V \ LIl 3042 N01'13'10'E NCG5 POWI 11 319 S19.0100'E N 2 35 636 \ � E � 83] 571 6'. DRUUA P WORA _ NLVILW UFTICEN OF FPNUON COUNTY —T., THAI THE N OR PLAT TO n II ICK 11115 CERIIDCATION IS ATFIAED MEETS Au STATuTOR, REOUIRENEIRS ban owood '7-,W Of R-1 OFFICER DATE COUNTY 111E FOREGOING CERTIFICATE OF �1yWp� LL�(v,A RMEW OFFICER IS CERTIFIED TO BE CORRECT MIS INSTRUMENT WAS PRESENTED FOR REGISTRATION AND RECORDED IN PLAT eaDA'gM_iPALE�j 1HIS-„j 1�,10D1 AT/.'55gu LII�nT h) S REGISTER OF DEEDS A68r5RA1 REG OF DEED To' t, \so C o VA C / /�sySNC/ / fY/ }5f I F C WINSTON 1 PRF /1, SLIDE /61 +1 1 OWNER MORRIS J HURT. MARCUS J 6D d IT IT-7 III, aT 0. ITG IT f V9 110 A6 BT, lL POrR4E R BVIET` DEED BOOK /IOM PORE / )50 IT \ ROW ROW GRID NEIRTH BASED ON DOM 4 1999 Pli R 419 NAD 83 DATUM REFERENCES REED DO tl 753, PAGE p 620 DEED B00K 0 1094, PAGE tl 598 DEED BOOK 0 980 PACE 0 222 DEED BOOK R 1044, PAGE 0 758 BOOK OF MAPS IT 1996 PAGE 0 33S BOOK OF MAPS 0 1999 PAGE 0 169 PNF 0 3 SLIDE 0 150 -C PRF 0 1 SLIDE 0 188 -A PRF 0 1. SLIDE 0 U1 BOOK OF MAPS 0 1999 PAGE IT 419 AREA TABLE LOT B AREA A -1 1312 ACRES A-2 1198 ACRES A -3 1153 ACRES A -4 1086 ACRES A -5 0886 ACRES A -6 0982 ACRES B -1 1428 ACRES 11-2 1454 ACRES B -3 1653 ACRES / ' I ( WE ) HEREBY CERTIFY THAT I AM ( WE ARE ) THE / i LIT OWNER(S) OF THE PROPERTY SHOWN AND DESCRIBED HEREON WHICH VAS CONVEICD TO HE I US ) BY DEED RECORDED IN THE REFERENCES LISTED ON THIS PLAT AND THAT I ( WE ) HEREBY ADOPT THIS PLAN OF SUBDIVISION JENKIxS WWO scar WITH MY ( OUR ) FREE CONSENT ESTABLISH MINIMUM BUILDING LINES, AND DEDICATE ALL DRAINAGEWAYS AND BWK OF YAPS / )BED, PAGE IT IBB \ OTHER OPEN SPACE TO PUBLIC OR PRIVATE USE AS NOTED FONTHLR 1 ( WE ) CERTIFY THAT THE LAND ..S SHOWN HEREON IS WITHIN THE SUBDIVISION IURISDICTION OF FRANKLIN COUNTY REVISIONS SUBMISION OF : HAMPTON ' VILLACE OF YOUNCSVILLE TOWNSHIP YDUNGSVILLE COUNTY FRANKLIN 50' 0' Too' STATE NORTH CAROLINA ZONE MIXED USE\ SPECIAL USE TAX MAP C -7 PARCEL 83 /4 o L DATE OWNER- DATE JAMES WADE ATKINSON, JR PROFESSIONAL LAND SURVEYOR 136 BEAVER DAM DRIVE YOUNGSVILLE NC, 27596 `TEIE 556 -6818 DATE 1-15 -01 SURVEYED BY JWA FIELD BOOK N 23 SCALE 1" = 100' DRAWN BY JWA DRAWING NO CHECKED & CLOSURE BY JWA r i / r r 1 Vim' +Vyr. � 1eo ,z E_r r _ / r # I I r �r / / t t I / � l a; r r r r / I /I r r r - 0— *41.._ - -4,1...e...-_p.L�f a./.b...... WEf.�. r-e2 hmn...as+. ✓,.wG61. V,.•.•11...Lie.....�J -- L � $ow..D .6 Calw,.,.,.«•..••+� ..O •Kvt Kw ^"tit .L.,u. 4...... Y4, zS>,.id.a...w.+Pd,w:+.d•:Saa- 8 -A3 -o7 >o � aJBC'vazpisea PIN rgiJ�py -W We°AlJ hsp rMgth �wa+w�a, raa al ,- ,.•a i u`9al w e (a••° 1 Q a..«alan ..•raa m ewa°1�Y ,""9re ; r d Y i>.a a. a•alr mamolw •. aoa, r. m •mwu•. ia,w n B�a.rLq� . ^o• tsrJ. t m• ,mm a w•� / Ilwf Inr rmt,.NOw n eaw.aa�u « °x"ccs �>N ..ar.'+ ° ,-A :Bpi Ir. a .• �.. _ > a a— s— La.a•�P— r,a..—a Lana s,?r,r L -sf.t •"'c• ^. a � . � LEGEND O S q � n I a ImNre.o6 a Pul.umna rma sar..y �BrtB�ln ii" "'a",° ;°r p N J � `� i ��a�e,,`I°�" "� "�'' "B. i, oln� .,.aeon to m. e.r „�L� of o � u•.m..n au«, c., } E € R - P.wl..aaa Lana saae« pm. North v' W L) i Q d a OH 0 �• `� 1r- _ - - � QBNam. pOy"Ir ) 1 yYYYC.Yn�'. c \ � Eoy B S IJSLS 1 Total Area a 2tW Acres \� 1- zaizr' JOZj} ^ f ) gg•ec ��H <p, carama• a. °°) 11 n,a \ l o� ~g (B D '?'•tsiio ,,.,, .'. �� � ExA> E°•an« =� / 135/ / �o v �• °r'"f� °4m11 r °J�� C � •LBL•e3B[N p°TU O<tq. / 4 / eas -uruew r � W r 410 > '/•pE Wq� M1 rt «ual nam caaa° /- ` l+` � •F �� ' ,,�N ” v c.owtl caul, u• > oi� I: IOiB.•a Notes- 6 n � �4 � d5p 61' 1p f � :fl SFALki -•. ` w:. :.' >'r. 4 fl .. plot« om. -_ •�•° crnv °I•aNOy � awr. m.t °a. a " o.n armntorwna e°e'w •� v1 I w��> ei,l�. :°•• 1 ' Lure Table • �� I \ ^41;�q; pp1�i�pp1� MpB Bzgg®® ggppl�qq 1,■�gg `�M • I3Wf]IO�li7�!lliJ ® ®IfmO m = L'LE l«a m• - mom m�wwac .I.wou ° ] e:BB�nNO ` \ ♦ \ \ rll u F s \ 4 L. 246 W P we cp w3u � 1 rw. cw , T r1 r r aB B a 8• z j •off - pi.r"nnp a•n9 •um• r Nwa m.° mmr•tw - . Inawp....a, .ta,•. ,ai.. °m...l,: n.l.a . w:. :.' >'r. 4 fl .. plot« om. -_ •�•° crnv °I•aNOy � awr. m.t °a. a " o.n armntorwna e°e'w •� m coca ^a ` ei,l�. :°•• 1 ' pp1�i�pp1� MpB Bzgg®® ggppl�qq 1,■�gg `�M • I3Wf]IO�li7�!lliJ ® ®IfmO °,u • l«a m• - mom m�wwac .I.wou ° ] e:BB�nNO we cp w3u � 1 rw. cw , T m. Ir.Bomv ..,nle °t. °I pnm« w nor eno.n ona mor m n•.c war � - Mm. � ai i. tW".:: orw.�n' �1o:w. N•�•. p°yinamW Ma e'-o uv:aa.,r,... lam -2007 ^272 '• a/ _— - ma w Brew• h�apunl°nw °n�n. Ytw rWa.°1 � � si `y fl•pOla er 0••a• Boak 1pGA Pap• >B4 "rnWIN Canty fl BI 4 y 1JfA �11hEi2 � `• 1v`^ 'r �� � �'.-•� 150011 auo I POL�f- g- 04-o`] Sp>�Sp•3 L 2 E]92 BwWn ^ 1 1024- 1266 f >p�J/ Ea ^ yl BBy C 506 y p1e -E � yJ IL o`.'po� ciao G i� t 1 U r ,F 1 aw eor �6n vp. vx �4� .1- n�foeo // ? LL �1 En.'1 ' �' �• 1 ORAFTSYAN SNB /SLB u1t1Pp fW elm �i' 6aA> 1-1— MC new a oa.a .IS > SCAIF 1" - 100' w ;w -I.smo A GATE July 13. 2001 ' / FILE POE0f 1B NURTH Q N .J 541 SRF I I YOUNGSVILLE HWY VICINITY AIAP LEGEND — LINES SORY£YEO I HLREBT CERTIFY THAT THE SUBDIVISIDN PLAT SHOWN NOTES, W GLORIA # 810, HEREON HAS BEEN FOUND TO COMPLY WITH THE SUBDIVISION REGULATIONS OF FRANKLIN COUNTY, WITH ALL VARIANCES - PROPERTY 13 SUBJECT TO A 60' NE DOT ROW ALONG - PROPERTY IS SUBJECT TO ALL EASEMENTS, AGREEMENTS US NVY. Y 1 -A. //''�S, GRID NORTH NOTED IN THE MINUTES OF THE TOUNGSVILLE BOARD OF LOMHISSIONERS AND THAT THIS PLAT IS APPROVED FOR REGORGING IN THE OFFICE OF THE REGISTER OF DEEDS PRIM -ALI- D STANC TO THE RECORDING GROUND TMT3 PLAT ALL DISTANCES ARE MNIROlRAL GROUND DISTANCES AND RMWIS ON �i E , 9 '39 \\ NIP FCuu WINSTON �I I ( VE ) HEREBY CERTIFY THAT 1 AM ( YE ARE ) THE \ CURVE DATA E AREA BY COORDINATES sY Fp DOMROL HEREON WHICH WAS CONVEYED TO HE ( US ) BY BEEB RECORDED IN THE REFERENCES LISTED ON THIS PLAT, AND \ \ 1 X37 2143 ACRES R coRnER 7 CHID BRO = N 44'- 29' -21' W ��_r) - - JAMES CHARLES WILSON \ DEED BOOK a 857, PAGE 363 \\ BASED ON BOM 11 1999, P6 p IB9 •Q j G 60 MAD 83 DATUM SUBD,1511SIDN ADMINISTRATOR DATE ' O N 6�ry ti N 77 P R F # SLIDE 81 y 75423' TOTAL E r� S w \ OLD PROPERTY LINE - __ \g 1 \\ \ F C WINSTON 11 # 1, SLIDE 8 81 51 \ \ \PRF 1 F WINSTON \. 5? 66 SETBACKS DEED BOOK N 753, PAGE # 620 oPEAn zlSm ot➢ FR' 250 \o \ REFERENCES 'M N 06 _35 DEED BOOK Y 753, PAGE B 620 FRONT = 500' pp NI m t'y DEED BOOK p 1094, PAGE Y 598 REAR = 25 0' I \ a Nw DEED COX p B 1044, PAGE Yp SIDES = 200' 0�O JAMES CHARLES WILSON N \ QI I DEED BOOK # 857, PAGE # 128 `� \ �• 758 BOOK OF MAPS 1996, PAGE p 335 p b I S \ BOOK 4 MAPS Y 1999, PAGE p 189 Dih I u! \'O AREA \ Il PRF p 1, SLIDE p 160 -C PRF p I, SLIDE p IBB -A 4. fA1. G I4 2116 ACRES \ PRF Y 1, SLIDE 0 BI - LINES NOT SumIED 1, JAMES WADE ATKINSON, JR, A REGISTERED LAND SURVEYOR CERTIFY DP -- EXImNC IRO)! PIPE THAT THIS PLAT REPRESENTS A RECOMBINATION OF LAND WITHIN THE AREA ECM - -- EisnN CONCRETE MONUMENT OF A COUNTY THAT HAS AN ORDINANCE THAT REGULATES PARCELS OF LAND NIP - -- NEW IRON PIPE PKN - -- PK HAIL OMD - -- DOUG LE MERIDIAN DISTANCE 08 - - -- DEED 800K R \W - - -- RIGHT OF WAY pU - -- COW MD POINT , � EGISTERED LAND SURVEY. DATE NORTH CMOUNA FRANKLIN COUNTY I JAN'S WADE AIKINSON, JR CERTIFY THAT THIS PUT WAS DRAWN UNDER MT SUPERVISION FROM (AI ACTUAL FIELD SURVEY MADE ONCE MY SUPERVISION) (OEEO DESCRIPTION RECORDED 91 BOOK 753 PAGE 024, ECT) (0MER1 UTAT ME RATIO OF PRECISION AS CACULATED MY LATITUDES AND OEPPRNRES IS 1 20 000 ANTI THAT ME BOUNDARIES NOT SURvEYD ME SHOWN AS BROKEN ONES PLOTTED FA04 ROW\ INFOfl1.UTION FOUl,O IN PRF j 1 SLIDE B B1, THAT THIS PIAT WAS PREPARED W ACCORDANCE WITH GS 47 -30 AS AAENDEED WITNESS MY GRIGINAL SIGNATURE REGWRATION NUMBER Al0 SEAL MIS 10TH DAY OF NOVEMBER, AO 1999 ROW, /NIP SEAL OR VAMP SuRVEYOR L- V R GISTRATION NUMBER F C WINSTON DEED BOOK # 753, PAGE # 620 NORTH CM... FRAInIIN COL_ 1 710-1 r WOOD REVIEW OMCIR OF FRANKL)N COUIM CERTIFY MAT ME MAP OR PLAT TO WHICH THIS CERflMCATON IS AFFIXED MEETS ALL STATUTORY REQUIREMENTS 9 WDIDU It-la-q9 REVIEW DmCCR DATE NORM CAROLINA FPoWKu. CoutM THE FOREGOING CEITTIpCATE OF REVIEW OMCER IB CERMFD IN BE EAT BOOK MIS INSTRUMENT WAS TMESENTED FOR flECl/STRATIOT AND RECORDED 1_1 \l0UN�0EC \� \9(i9l I. REGISTER OF DEEDS ASSISTANT REG OF DEEDS RECORDED IN BOOK OF )MPS VOL Si_ -\1 \DOG PL\f, — 11 \el 11_1 o0 — , , T S I N , ." t 1 1 1 , -- I I 1- -- I I I I I I 1 I i WI .I old Ilo NI^ Ila of I I I I 1 I 1 I I 7 66' -1 \ ham' S� Li' Im AREA BY COORDINATES O•( \ J h 2 AREA PflOPERIY UN 5 25 W %1 7871 ACRES I 6N� \'p AREA BY COORDINATES S 5 00 �0 ro Lj�� 200 m DEED BOOK # 10044, PAG'E 7# 756 EP N 7 F WINSTON \ ROW O DEED BOOK # 753, PAGE # 620 < ^ ROW TOTAL AREA W GLORIA # 810, N 82'- 22' -52' 700 % W 1938 55' -96 - JENKINS WHOLESALE -C- DEED BOOK SAGE 61 260 BOOK OF MAPS # 1999, PAGE 189 12.130 ACRES pP N 2.149,6]8 207 N E BM 571 692 O .__ 111 \\ NIP FCuu WINSTON �I I ( VE ) HEREBY CERTIFY THAT 1 AM ( YE ARE ) THE \ CURVE DATA E AREA BY COORDINATES sY Fp �� �� HEREON WHICH WAS CONVEYED TO HE ( US ) BY BEEB RECORDED IN THE REFERENCES LISTED ON THIS PLAT, AND \ \ 1 X37 2143 ACRES R MAT I ( WE ) HEREBY ADOPT THIS PLAN OF SUBDIVISIDN CHID BRO = N 44'- 29' -21' W \ - OF CHD DISF = 10900' ALL DRAINAGEWATS AND OTHER SPACE PI N( j LISA B McDOWELL —RADIUS = 34000' INSTON W. \\ ' O N - DEED BOOK # 1047, PAGE jj 786 b P R F # SLIDE 81 y 75423' TOTAL M n \ OLD PROPERTY LINE - __ \ POD NIP Du; MP �S NI N 82'- 22' -52' 700 % W 1938 55' -96 - JENKINS WHOLESALE -C- 0D• NCGS 'POWER ' S BOOK OF MAPS # 1999, PAGE 189 %Q \ �QQ pP N 2.149,6]8 207 N E BM 571 692 O .__ 111 \\ NIP FCuu WINSTON �I I ( VE ) HEREBY CERTIFY THAT 1 AM ( YE ARE ) THE \ P R F 1, SLIDE # 81 1 D OW NER(S) OF THE PROPERTY SHOWN AND DESCRIBED sY Fp ti ON AREA HEREON WHICH WAS CONVEYED TO HE ( US ) BY BEEB RECORDED IN THE REFERENCES LISTED ON THIS PLAT, AND \ \ 1 X37 2143 ACRES R MAT I ( WE ) HEREBY ADOPT THIS PLAN OF SUBDIVISIDN \ \ WITH NY ( OUR ) FREE CONSENT, ESTABLISH MINIMUM BUILDING LINES, AIND DEDICATE Q•\ s-) AREA BY COC RDIlUTE9 ALL DRAINAGEWATS AND OTHER SPACE PI N( .�L\ >, I FURTHER WE ) CERTIFY THAT THE LAUD AS SIOWNTEll HEREON IS WITHIN THE SUBDIVISION JURISDICTION OF INSTON W. \\ N1 ,"S 7y iS;eYf' i FRANKLIN COUNTY P R F # SLIDE 81 y ,r \ \ \\ \ F C WINSTON 11 # 1, SLIDE 8 81 OYNER(s) DATE \ \PRF 1 /I GVNER(S) DATE OWNER F C WINSTON. JR REVISIONS RECOMBINATION SURVEY FOR: JAMES WADE ATKINSON, JR PROFESSIONAL LAND SURVEYOR MORRIS J. HURT 136 BEAVER DAM DRIVE YOUNGSVILLE NC, 27596 TELE 556 -6818 TOWNSHIP YOUNGSVILLE COUNTY FRANKLIN DATE _ 9p 1 SURVEYED BY JWA FIELD BOOK N 23 5`0'_100' STATE NORTH CAROLINA SCALE I" = 100' ORAWN BY JWA 0' DRAWING NO ZONE LI TAX MAP C -7 PARCEL 83 CHECKED & CLOSURE BY JWA SITE + �` J _ • 111 1� V _i I gsvilit- WT - IIW 4jisk Lmul Ch �. ; 1, \ . w � � '�.�' ���� � • ��•�;�. E f �. , �;,. t' t. .'ALL i'l�i.►7 i ��;. .�V �Y� ty��* �ul, i�',� -�: ,�•, %�� °' 1� �'� �'w, � �.� w� �'ti,•!t' .' ;�� `,ice 4 � , . � , 1 Ix 04 LAII I } f � � vet ., �i ��'• '� v- •,R�'♦ 1l \ i .lid a � r f '1 " M" ► 7T►' .- 1 of • 0 •..s r „� ,Ll , � may' 'i �;� �C - r ���. , . �i � )82 This field sketch is to be used by a PLS to locate delineated features. stream channel; SLA 1-12; likely subject to 50-ft buffer 0 -M 84! IF tream located ffsite; not flagged; ubject to a 50-ft small wetland; WHA 1-5 o 0"j Olt it O-IV47 41'. too 04 00tJ Hampton Downs at Youngsville - Preliminary Delineation Results January 9, 2015 moo® NCDEN North Carolina Department of Environment and Natural Resources Pat McCrory Governor January 29, 2015 Hampton Downs of Youngsville 2745 Hurt Dr. Rocky Mount, NC 27304 Donald R. van der Vaart Secretary Subject: Buffer Determination NBRRO 15 -010 Franklin County Determination Type: Buffer Call Isolated or EIP Call ® Neuse (15A NCAC 28.0233) Start@ ❑ Tar - Pamlico (15A NCAC 26.0259) Ephemeral /Intermittent/Perennial Determination _ _ ❑ Isolated Wetland Determination ❑ Jo rdan (15A NCA C 2B 0267) To Project Name: Hampton Downs Location/Directions: Property is located between HWY 96 and alt. US 1. Subject Stream: Brandy Creek Determination Date: January 13, 2015 Staff: James Graham Feature/Flag Not Subject E/1/P* Start@ Stop@ Soil USGS Subject To Survey I Topo To Buffers i Buffers A X I I Flag ( X *E /I/P - EphemeraYIntermittent /Perennial Explanation: The feature(s) listed above has or have been located on the Soil Survey of Wake County, North Carolina or the most recent copy of the USGS Topographic map at a 1:24,000 scale. Each feature that is checked "Not Subject" has been determined not to be a stream or is not present on the property. Features that are checked ..Subject" have been located on the property and possess characteristics that qualify it to be a stream. There may be other streams located on your property that do not show up on the maps referenced above but, still may be considered jurisdictional accordins to the US Army Corps of Engineers and/or to the Division of Water Resources (DW'R). This on -site determination shall expire five (5) years from the date of this letter. Landowners or affected parties that dispute a determination made by the DNVR or Delegated Local Authority may request a determination by the Director. An appeal request must be made within sixty (60) days of date of this letter or from thted ��att�rrrll� North Carolina Division of Water Resources 1,628 Mad Service Center Raleigh, NC 27699 -1628 Phone (919) 791-4200 Internet. www navaterguality era Location. 3800 Barrett Drive Raleigh NC 27609 Fax (919) 788 -7159 An couai CoportunityrAtfirmative Action employer- 501% ,Racycled /10% Post Ccrsumar?aoer Hampton Downs Wake County January 29, 2015 Page 2 oft party (including downstream and/or adjacent owners) is notified of this letter. A request for a determination by the Director shall be referred'to the Director in writing c/o Karen Biggins, DWR WeBSCaPe Unit, 1650 Mail Service Center, Raleigh, NC 27699. This determination is final and binding unless, as detailed above, you ask for a hearing or appeal within sixty (60) days. The owner /future owners should notify the Division of Water Resources (including any other Local, State, and Federal Agencies) of this decision concerning any future.correspondences regarding the subject property (stated above). This project may require a Section 404 1401 Permit,for -the proposed activity. `Any inquiries should be directed to the Division of.Water Resources (Central Office) at (919 )-807 -6300, and the US Army Corp of Engineers (Raleigh Rea ilatory Field Ofi"ice) at (919) - 554. 488.4. If you have questions regarding this determination, please feel free to contact James Graham at (919) 7914256. Re -c .Ily, Danny SmiiT , Supervisor Water Quality Section Raleigh Regional Office cc: RRO /SWP File Copy i:auren`Riiper - Environmental Services, Inc. 4901 Trademark Dr r!3 ACME Mapper 2.1 - 1.3 mi NW ol'Notingsville NC I of 1 1/12/2015 2:38 I'M � ���} I 1 '�`,�Y � • I IH; i cl r3 1 ti i i J � J, h�,' y,�.j { �M® 4� i �' {�.•�I"y �- �` A ui ..� ilk fA ..r f ` rG,.% .,�.+21�!'DJ' �fJ � ��+vkr; .A E t._•^^!j�� ,'f���T•t'7`S�� +f5.'i,.A ,..y�x�ti�tl ";i �a �r�+�"�s 9 5 .. � � "' Y. +, r�'^'- �' �-rl �t f t. ' , s �.c' a ��••� i , � •j �,;, p{ti...S�� �'� '• �• 3+i: r r,� r �, r�,i ,:. ,j`y'�pp � �i ��� b�t:�•rFaa;', � yy r, �;t�ig�� , � t�k;Ja w d a?a3I Al +f t i _ a1� ,, � � �' 'J � 1. 'r 1 ' 'V�� l i' •� Ij l �r�j� n:. ;�•y� 'k � /`( �� �`a..••�t ,`l .. +�' � ` �y�.l+ .'1 '`�'�! 4 �i Y�� 1• ar{� � p k E �. 'Y, � �, .: �, •l y ?r - �f1 xa \y�i ( r F'��',' '+' • - I `.' , o tr ;,iw ' � � ! � � �+ „1 � 5' q ��i iii, - %r, ,� :r ��k. � . h �' `fir �)I ."` , r - !` ° �r� . � 1! � '��( /jti i...` � { r • p1l pppj�{ fff ' '�� .I • - ', � ^{ a yl� 1. t� dot t,r �. i KC• �1 ` � may. • fa 1('t rrRS!'j.u�7" AV I � t 1 '�,,,�'� �• "fit �,... -4 `�'`� �� , a� ` i.' 1 �i - {' r �,: `�y.� t >.� /1 . _,,4 ..SS ��t, b ���*a� f r�, 4 `"+�•'"b'!,� �q�'tk b:� '�� t . ' ? ' * ~'�` ,7 s j e r =i I Isis field sketch is to be Used by a PI-S to locate delineated features. p ", o►��3ti .�' ,� IJ impton Downs at Youngsvill .Jankimy 9, 015 �� O ttt�348 � � ` i +�I'1 �{ � � f• e - Preliminary Delineation Results �! ��� is A NCDENR Permit No STORMWATER MANAGEMENT PERMIT APPLICATION FORM 401 CERTIFICATION APPLICATION FORM WET DETENTION BASIN SUPPLEMENT This form must be filled out, printed and submitted. The Required Items Checklist (Part ill) must be printed, filled out and submitted along with all of the required information 11FROJECTINF_ORMATION° Project name Hampton Downs of Youngsville Duplex Subdivision Contact person Karen G Callaway P E Phone number 252446.3017 Email karen@mackgaypa com Date Drainage area number Site Characteristics Drainage area Impervious area, post - development % Impervious Design rainfall depth Storage Volume: Non-SA Waters Minimum volume required Volume provided Storage Volume. SA Waters 15" runoff volume Pre - development 1 -yr, 24 -hr runoff Post - development 1 -yr, 24 -hr runoff Minimum volume required Volume provided Peak Flow Calculations Is the pre /post control of the 1 yr 24hr storm peak flow required? 1 -yr, 24 -hr rainfall depth Rational C, pre - development Rational C, post - development Rainfall Intensity 1 -yr, 24 -hr storm Pre - development 1 -yr, 24 -hr peak flow Post - development 1 -yr, 24 -hr peak flow Pre /Post 1 -yr, 24 -hr peak flow control Elevations Temporary pool elevation Permanent pool elevation SHWT elevation (approx at the perm pool elevation) Top of 10ft vegetated shelf elevation Bottom of 1 Oft vegetated shelf elevation Sediment cleanout, top elevation (bottom of pond) Sediment cleanout, bottom elevation Sediment storage provided Is there additional volume stored above the state - required temp pool? I Elevation of the top of the additional volume 10 -May -15 1 595,150 ftz 319 806 ftz 5374 % 10 in 26.460 ft3 27,500 ft3 ft3 ft3 ft3 ft3 ft3 (Y or N) 29 In (to be provided by DWQ) O�OF W AT F9pG o ""il� 1-C OK, volume provided Is equal to or In excess of volume required. 025 (unitless) 063 (unitless) 012 in /hr OK 543 ft3 /sec 103 ft3 /sec 0 60 ft3 /sec 38450 fmsl 38225 fmsl 38175 fmsl 38275 fmsl 38175 fmsl 37700 fmsl 37600 fmsl 100 ft (Y or N) fmsl Form SW401 -Wet Detention Basin -Rev 9. 1118/12 Parts I & 11 Design Summary, Page 1 of 2 Permit No (to be provided by DWQ) Sm a II DESIGN IPIFORMATION������- ������> '���.`;�`.�ss��.>.��:r,:.��'�'. Surface Areas Area, temporary pool 27 500 ft2 Area REQUIRED, permanent pool 17,553 ft SAIDA ratio 2 95 (unitless) Area PROVIDED, permanent pool, Ap._xd 19,041 ft OK Area, bottom of 1Oft vegetated shelf, Ado, 0e,i 14,844 ft Area, sediment cleanout, top elevation (bottom of pond), A�,you,id 5,102 ft` Volumes Volume, temporary pool Volume, permanent pool, Vp.,.l Volume, forebay (sum of forebays If more than one forebay) Forebay % of permanent pool volume SAIDA Table Data Design TSS removal Coastal SAIDA Table Used? Mountain /Piedmont SAIDA Table Used? SAIDA ratio Average depth (used In SAIDA table) Calculation option 1 used? (See Figure 10 -2b) Volume, permanent pool, Vp--. Area provided, permanent pool, AP. _.1 Average depth calculated Average depth used In SAIDA, da,, (Round to nearest 0 5ft) Calculation option 2 used? (See Figure 10 -2b) Area provided, permanent pool, Apei,y.i Area, bottom of 10ft vegetated shelf, Ab,, shelf Area, sediment cleanout, top elevation (bottom of pond), At,,-po,d "Depth" (distance b/w bottom of 10ft shelf and top of sediment) Average depth calculated Average depth used In SA/DA, day, (Round to down to nearest 0 5ft) Drawdown Calculations Drawdown through onfice? Diameter of onfice (If circular) Area of onfice (if- non - circular) Coefficient of discharge (Cc) Driving head (Ho) Drawdown through weir? Weir type Coefficient of discharge (C„,) Length of weir (L) Driving head (H) Pre - development 1 -yr, 24 -hr peak flow Post - development 1 -yr, 24 -hr peak flow Storage volume discharge rate (through discharge onfice or weir) Storage volume drawdown time Additional Information Vegetated side slopes Vegetated shelf slope Vegetated shelf width Length of flowpath to width ratio Length to width ratio Trash rack for overflow 3 orifice? Freeboard provided Vegetated filter provided? Recorded drainage easement provided? Capures all runoff at ultimate build -out? Drain mechanism for maintenance or emergencies is 27,500 ft3 OK 58,052 ft3 12,085 ft' 208% % OK 90 % N (Y or N) Y (Y or N) 295 ( unitless) N (Y or N) 58,052 ft3 19,041 ft 371 ft OK 3 5 ft OK Y .(YorN) OK 19,041 OK 14,844 ft` OK 5,102 ft2 OK 475 ft OK 371 ft OK 35ft OK Pump Y (Y or N) 300 in in 060 (unitless) 125 ft N (Y or N) (unitless) (unitless) ft ft 0 47 ft'/sec 1 10 ft3 /sec 0 14 ft3 /sec 2 50 days OK, draws down in 2 -5 days 3 1 OK 10 1 OK 10 0 ft OK 3 1 OK 3 1 1 OK Y (Y or N) OK 13 ft OK N (Y or N) OK Y (Y or N) OK Y (Y or N) OK Forth SW401 -Wet Detention Basin -Rev 9-4/18/12 Parts I & 11 Design Summary, Page 2 of 2 ma*NR Permit No STORMWATER MANAGEMENT PERMIT APPLICATION FORM 401 CERTIFICATION APPLICATION FORM WET DETENTION BASIN SUPPLEMENT This form must be filled out, printed and submitted The Required Items Checklist (Part ill) must be printed, filled out and submitted along with all of the required Information I PROJECVINFORMAT10N Project name Hampton Downs of Youngsvllle Duplex Subdivision Contact person Kare^ G Callaway, P E Phone number 252 -446 -3017 Email 'QrenCmaatgaypa com Date 10- May -15 Drainage area number 1 (to be provided by DWQ) O�O� W A TF9oG h � > ti CS < IIDESIGNiINF,ORMATION "" �� IN MA Site Characteristics Drainage area 595,150 ft Impervious area, post - development 319,806 ft % Impervious 5374 % Design rainfall depth 10 In Storage Volume: Non -SA Waters Minimum volume required Volume provided Storage Volume: SA Waters 15' runoff volume Pre - development 1 -yr, 24 -hr runoff Post - development 1 -yr, 24 -hr runoff Minimum volume required Volume provided Peak Flow Calculations Is the pre /post control of the 1 yr 24hr stone peak flow required? 1 -yr, 24 -hr rainfall depth Rational C, pre - development Rational C, post - development Rainfall intensity 1 -yr, 24 -hr storm Pre - development 1 -yr, 24 -hr peak flow Post - development 1 -yr, 24 -hr peak flow Pre /Post 1 -yr, 24 -hr peak flow control Elevations Temporary pool elevation Permanent pool elevation SHWT elevation (approx at the perm pool elevation) Top of 1Oft vegetated shelf elevation Bottom of 10ft vegetated shelf elevation Sediment cleanout, top elevation (bottom of pond) Sediment cleanout, bottom elevation Sediment storage provided Is there additional volume stored above the state - required temp pool'? Elevation of the top of the additional volume 26,460 ft3 27,500 ft3 OK, volume provided is equal to or In excess of volume required ft3 ft3 ft3 ft3 ft3 (Y or N) 2 9 in 0 25 (unitless) 0 63 (unitless) 012 in/hr CK 0 43 ft3 /sec 1.03 ft3 /sec 0 60 ft3 /sec 38450 fmsl 38225 fmsl 38175 fmsl 38275 fmsl 38175 fmsl 37700 fmsl 37600 fmsl 100 ft N (Y or N) fmsl 19' VEAL E 13 ?34 a .� ` d �-tc f Y M -3 Lti Form SW401 -Wet Detention Basin -Rev 9-4/18112 Parts I & 11 Design Summary, Page 1 of 2 Permit No (to be provided by DWQ) I MESIGNsINFORMATION��� Surface Areas Area, temporary pool 27,500 ftz Area REQUIRED, permanent pool 17,553 ft SAIDA ratio 2 95 (unitless) Area PROVIDED, permanent pool, Apen -pad Area, bottom of 10ft vegetated shelf, Abo, ,1e,t Area, sediment cleanout, top elevation (bottom of pond), Abot,.d Volumes Volume, temporary pool Volume, permanent pool, Vpe- -pcd Volume, forebay (sum of forebays if more than one forebay) Forebay % of permanent pool volume SAIDA Table Data Design TSS removal Coastal SAIDA Table Used? Mountain /Piedmont SAIDA Table Used9 SAIDA ratio Average depth (used in SAIDA table) Calculation option 1 used? (See Figure 10 -2b) Volume, permanent pool, Vp, --P. Area provided, permanent pool, APefn,y -i Average depth calculated Average depth used in SAIDA, dav, (Round to nearest 0 5ft) Calculation option 2 used? (See Figure 10 -2b) Area provided, permanent pool, Ap.-p d Area, bottom of 10ft vegetated shelf, Abot 5nelt Area, sediment cleanout, top elevation (bottom of pond), Abotyond "Depth" (distance b/w bottom of 1Oft shelf and top of sediment) Average depth calculated Average depth used in SAIDA, clay, (Round to down to nearest 0 5ft) Drawdown Calculations Drawdown through orifice? Diameter of orifice (if circular) Area of orifice (if- non - circular) Coefficient of discharge (Co) Driving head (Ho) Drawdown through weir? Weir type Coefficient of discharge (Cw) Length of weir (L) Driving head (H) Pre - development 1 -yr, 24 -hr peak flow Post - development 1 -yr, 24 -hr peak flow Storage volume discharge rate (through discharge onfice or weir) 19,041 ft OK 14,844 fit 5102 ft` 27,500 ft3 OK 58,052 ft3 12,065 ft3 208% % OK 90 % N (Y or N) Y (Y or N) 295 (unitless) N (Y or N) 58,052 ft' 19,041 ft` 371 ft 35 ft Y (Y or N) 19,041 ft 14,844 5,102 fe 475 ft 371 ft 35 ft (Y or N) 3 00 in in 0 60 (unitless) 125 It _(Y or N) _ (unitless) (unitless) ft ft 0 47 ft3 /sec 1 10 ft3 /sec 0 14 ft3 /sec OK OK OK OK Storage volume drawdown time 260 days OK, draws down in 2 -5 days Additional Information Vegetated side slopes 3 1 OK Vegetated shelf slope 10 1 OK Vegetated shelf width 100 ft OK Length of flowpath to width ratio 3 1 OK Length to width ratio 3 1 1 OK Trash rack for overflow & onfice? Y (Y or N) OK Freeboard provided 1 3 ft OK Vegetated filter provided? N (Y or N) OK Recorded drainage easement provided? Y (Y or N) OK Capures all runoff at ultimate build -out? Y (Y or N) OK Drain mechanism for maintenance or emergencies Is (Pump Form SW401 -Wet Detention Basin -Rev 9- 4/18/12 Parts I & 11 Design Summary, Page 2 of 2 Permit No (to be provided by DWQ) FT 8;r'YC ^x J*+;6 �5 %'y�c Iili REQUIRED ITENIS;CIiECI<LIST ;3r '' �l..t "��;' ti& J :k s irk d Please indicate the page or plan sheet numbers where the supporting documentation can be found An incomplete submittal package will result in a request for additional information. This will delay final review and approval of the project. Initial In the space provided to indicate the following design requirements have been met, If the applicant has designated an agent, the agent may Initial below If a requirement has not been met, attach justification. MAR Calc Booklet 8 A copy of the signed and notarized operation and maintenance (0 &M) agreement MAR Calc Booklet 9 A copy of the deed restrictions (if required) MAR Calc Booklet 10 A soils report that Is based upon an actual field investigation, soil borings, and infiltration tests County sod maps are not an acceptable source of soils Information Form SW401 -Wet Detention Basin -Rev 9- 4/18/12 Part III Required Items Checklist, Page 1 of 1 Page/ Plan Initials Sheet No. MAR C3, C5, C20 1 Plans (1" - 50' or larger) of the entire site showing- Design at ultimate build -out, G 22 Off -site drainage (if applicable), Delineated drainage basins (include Rational C coefficient per basin), Basin dimensions, Pretreatment system, High flow bypass system, Maintenance access, Proposed drainage easement and public right of way (ROW), Overflow device, and - Boundaries of drainage easement. MAR C8, C20 2. Partial plan (1" = 30' or larger) and details for the wet detention basin showing: - Outlet structure with trash rack or similar, - Maintenance access, - Permanent pool dimensions, - Forebay and main pond with hardened emergency spillway, - Basin cross - section, - Vegetation specification for planting shelf, and - Filter strip 1�3a6ill dt�5;3y) Z4 -/-oi q o- j" 1'255 MAR C -20 3 Section view of the wet detention basin (1" = 20' or larger) showing: Side slopes, 3:1 or lower, Pretreatment and treatment areas, and Inlet and outlet structures. MAR C -19, C -20 4. If the basin is used for sediment and erosion control during construction, clean out of the basin is specified on the plans prior to use as a wet detention basin. MAR Calc Booklet 5 A table of elevations, areas, incremental volumes & accumulated volumes for overall pond and for forebay, to verify volume provided. MAR C -19 6 A construction sequence that shows how the wet detention basin will be protected from sediment until the entire drainage area Is stabilized. MAR Calc. Booklet 7 The supporting calculations. MAR Calc Booklet 8 A copy of the signed and notarized operation and maintenance (0 &M) agreement MAR Calc Booklet 9 A copy of the deed restrictions (if required) MAR Calc Booklet 10 A soils report that Is based upon an actual field investigation, soil borings, and infiltration tests County sod maps are not an acceptable source of soils Information Form SW401 -Wet Detention Basin -Rev 9- 4/18/12 Part III Required Items Checklist, Page 1 of 1