The URL can be used to link to this page

Home My WebLink AboutSW8060842_HISTORICAL FILE_20080206STORMWATER DIVISION CODING SHEET POST -CONSTRUCTION PERMITS PERMIT NO SW8 O�o0VL4"L DOC TYPE ❑ CURRENT PERMIT ❑ APPROVED PLANS HISTORICAL FILE ❑ COMPLIANCE EVALUATION INSPECTION DOC DATE 200 $ 020-P YYYYMMDD O W A7FR Q � —1 Michael l Easley Go\emor RhlhamG Ross Jr Secretary North Carolina Department of Em rronment and Natural Resources February 6, 2008 Mr Jennings D Edge, Managing Member Edge Holdings, LLC 8991 Ocean Highway West Calabash, NC 28467 Subject Approved Plan Revision Plantation Storage Stormwater Project No SW8 060842 Brunswick County Dear Mr Edge Coleen H Sullins Drrutor Dmston of Water Quality On December 18, 2007, the Wilmington Regional Office received a plan revision for Stormwater Management Permit Number SW8 060842 The revisions include the addition of catch basins and pipes per the approved plan It has been determined that a formal permit modification is not required for the proposed changes We are forwarding you an approved copy of the revised plans for your files Please replace the old approved plan sheet(s) with the new one(s) {OR Please add the attached plans to the previously approved plan sheet ) Please be aware that all terms and conditions of the permit issued on September 7, 2006, remain in full force and effect Please also understand that the approval of this revision to the approved plans for the subject State Stormwater Permit is done on a case -by -case basis Any other changes to this project must be approved through this Office prior to construction The issuance of this plan revision does not preclude the permittee from complying with all other applicable statutes, rules regulations or ordinances which may have jurisdiction over the proposed activity, and obtaining a permit or approval prior to construction If you have any questions concerning this matter, please do not hesitate to call me at (910) 726-7215 Sincerely David Cox Environmental Specialist ENB\dwc S \WQS\STORMWATER\PERMIT\060842PR feb08 cc Christian Russell Brunswick County Building Inspections David Cox [Wdmmgton Regional Office Central Files North Carolina Division of Water Quality 127 Cardinal Drive Extension Wilmington NC 28405 Phone (910) 796 7215 Wilmington Regional Office Internet www ncaateruualz or Fax (910) 350 2004 oe NonhCarohna Nalm-ally Customer Service 1 877 623 6748 An Equal Opportunity/Affirmative Action Employer — 50% Recycled110 % Post Consumer Paper State Stormwat anagement Systems rmit No SW8 060842 Plantation Storage Stormwater Permit No SW8 060842 Brunswick County Designer's Certification Page 1 of 2 I as a duly registered piof'0-s5-,mv101 PWn.t-e in the State of North Carolina having been authorized to observe (periodically/ weekly/ full time) the construction of the protect P,�dSul4 f%o-9J Sfo�A9C'� (Protect) for 4�do Y6IJ Qr (Protect Owner) hereby state that, to the best o-rAy abilities ue care and diligence was used in the observation of the protect construction such that the construction was observed to be built within substantial compliance and intent of the approved plans and specifications The checklist of items on page 2 of this form Is included in the Certification Noted deviations from approved plans and specification // 7kC Oert1-f1Ao�•610 s �rvr ¢I,.e. STdrArtwhfer fDA;d RNd Cel%o71a„) SysteM 0A/ j A F441610 of ¢Le 5,%ej -Bull Figs beew ww7l-led All of ' Ire 3�0(0r0,ifee srstPM hqs DeeN CONPlebbl SEAL Signature �044# Registration Number ff y� Date �S=AL r: 8948 A%,VG 10 U Aj Page 6 of 7 0 JI (O • State Storm w Management Systems Wwermit No SW8 060842 Page 2 of 2 Certification Requirements ✓ 1 The drainage area to the system contains approximately the permitted acreage r a 1 1, ✓ 2 The drainage area to the system contains no more than the permitted amount of built -upon area ✓ 3 All the built -upon area associated with the project is graded such that the runoff drains to the system = .' . 1 4 All roof drains are located such that the runoff is directed into the system 5 The outlet/bypass structure elevations are per the approved plan -� 6 The outlet structure is located per the approved plans _y7 Trash rack is provided on the outlet/bypass structure ✓ 8 All slopes are grassed with permanent vegetation 9 Vegetated slopes are no steeper than 3 1 ✓ 10 The inlets aredocated per the approved plans and do not cause short- circuiting of the system V 11 The permitted amounts of surface area and/or volume have been provided - [� 12 Required drawdown devices are correctly sized per the approved plans 13 All required design depths are provided 14 All required parts of the system are provided such as a vegetated shelf and a forebay ""15 The required system dimensions are provided per thie approved plans cc NCDENR-DWQ Regional Office Delaney Aycock Brunswick County Building Inspections = Jeff Phillips Brunswick County Engineering Page 7 of 7 OF WATF9 O?�O\G ✓W )I 2/ 07 Date /Z_ Project Nome . yaz" TArlo D 5-lz ,e A �- Project No �W8�60�f�Z— County �//%(///�$//l The Wilmington Regional Office of the Division of Water Qu!!,Oy received your Stormwater Permit Plan Revision request on 2 — 7 Your project will be reviewed within 75 days of receipt 6 you will be notified if additional information is needed If you have any questions Please contact any member of the Stormwater review staff in the Wilmington Regional Office at (910) 796-7215 Jo Casmer Administrative Assistant East Coast Engineering & Surveying, P. C. Engineers, Planners, & Surveyors December 12, 2007 Mrs Rhonda Hall Water Quality SCetion NC Department of Em ironment and Natural Resources 127 Cardinal Drn e Extension Wilmington, North Carolina 28405-3845 Subject Plantation Storage Stormwater Permit # SW8-060842 Calabash, North Carolina High Density Project — Plan Revision Dear Mrs Hall On behalf of our Client, enclosed is a submittal package for Plantation Storage located in C ilablsh, North Carolina Our Chcnt is requesting th it this application be processed within the normal processing trick 1 his application represents a phn revision to the Plantation Stor ige Stormw iter Plan These rex isions include the addition of catch basins and pipes, whereas the original intent of the previous plan called for most stormwater to sheet flow to a vegetated ~wale at the rear of the property PIc ise note that the amount of impen ious surfice area has not changed It is our understanding since the amount of impervious surface and method of treatment has not changed, n fee is not required The following presents the N arious components of the enclosed submittal package 1 1wo sets of plans to include the following sheets thit arc relevant to the stormwater revisions sheets C1 - Site phn, C2 - Stormwater plan, C3 - Erosion Control plan, C4 and C5 - Details 2 Calculations sheets fa) If you h i%e any questions or require any additional information, please contact our office Sincerely, J Christian Russell �C�YVED Project Manager SEC b 1007 Enclosures JCR jbb PC Mr Jennings Edge Edge Holdings, LLC w/ preliminary plan File 0696 (Plantation Storage) Red Apple Professional Park * 712 Village Road SW, Suite 105 Post Office Box 2469 * Shallotte North Carolina 28459 * Tel 910 754 8029 * Fax 910 754 8049 Plantation Storage Stormwater Calculations December 2007 0FESS/O �q :a SEAL- 8948 . 40 GINE�Q �Q,S Af3l �v1 Prepared by East Coast Engineering & Surveying, P C Engmeers Planners & Surveyors Shallotte North Carohna28459 712 Village Road SW 4918 MamStreet Ofh 910 754SO29 PLANTATION STORAGE East Coast Engineering and Surveying PC STORM DRAINAGE FLOW CALCULATIONS JCR Q FROM DA1 Drainage Area = 3 467 SF Q FROM DA2 Drainage Area = 9 219 SF Drainage Area = 008 Acres Drainage Area = 0 27 Acres Design Storm = 10 YR storm Design Storm = 10 YR storm Surface Acres C Valuel1l Surface Acres C Value V) GRASSY 000 02 GRASSY 000 02 IMPERVIOUS 008 09 IMPERVIOUS 021 09 Total A 0079591368 Total A 0 21 Weighted C 0 900 Weighted C 0 900 Intensity 1 (1) 71 Intensity 1 (" 71 Q =CIA 051 cfs Q,=CIA 135 cfs Q FROM DA3 Drainage Area = 13 091 SF Q FROM DA4 Drainage Area = 10 503 SF Drainage Area = 030 Acres Drainage Area = 024 Acres Design Storm = 10 YR storm Design Storm = 1 10 YR storm Surface Acres C Value(l) Surface Acres C Valueflf GRASSY coo 02 GRASSY 005 02 IMPERVIOUS 030 09 IMPERVIOUS 019 09 Total A 0 300528007 Total A 0 2411157 Weighted C 0 900 Weighted C 0 749 Intensity 1 WI 7 1 Intensity I Pi 7 1 Q, = CIA 1 92 cfs Q = CIA 1 28 cfs Q FROM DAS Drainage Area = 11 810 SF Q FROM DAIS Drainage Area = 20 143 SF Drainage Area = 027 Acres Drainage Area = 046 Acres Design Storm = 10 YR storm Design Storm = 10 YR storm Surface Acres C Valuerll Surface Acres C Value GRASSY Goo 02 GRASSY 000 02 IMPERVIOUS 027 09 IMPERVIOUS 046 095 Total A 0271120294 Total A 046241965 Weighted C 0 900 Weighted C 095 Intensity 1 „I 7 1 Intensity 71 0, = CIA 173 cfs Q 312 cfs Q FROM DA7 Draingage Area = 4 279 SF Q FROM DA8 Drainage Area = 6 196 Drainage Area = Acres Drainage Area = 014 Acres 0 10 Desl n Storm = 10 YR storm Design Storm = 70 YR storm Surface Acres C Value Surface Acres C Value GRASSY 000 02 GRASSY 000 02 IMPERVIOUS 010 09 IMPERVIOUS 014 095 Total A 0 098232323 Total A 0 14224059 Weighted C 0 900 Weighted C 0 950 Intensity 1 (3) 71 Intensity 71 QI = CIA 0 63 CIS Q 0 96 cfs Q FROM DA9 Drainage Area = 7 100 Q FROM DA10 Drainage Area = 6 797 Drainage Area = 016 Acres Drainage Area = 016 Acres Design Storm = 10 YR storm Design Storm = 1 10 YR storm Surface Acres C value(f) Surface Acres C Valuer1l GRASSY Q!�R GRASSY 000 02 IMPERVIOUS IMPERVIOUS 016 095 Total A Total A 0 15603765 Weighted C Weighted C 0 950 Intensity 1 (3) I 7 1 Intensity 1 pI 71 r OF _ Ri, ¢.,. Date IVIS17007 PLANTATION STORAGE CULVERT CALCULATIONS East Coast Engineering and Surveying, PC JCR PIPE Total Q FLOW CONTRIBUTION PIPE SIZE INVERT IN INVERT OUT LENGTH BOX RIM IN BOX RIM OUT SLOPE Q MAX SD1 051 = DAl '" 32 50 31 25 122 3513 3575 1 02% 1 708 SD2 186 _' SD1 tDA2^ 18 31 25 3000 •141 r 3575 3554 0 89% 1071 SD3 1 28 ' ,' QA4 15 3259 3146 122 ' _ 3593 3575 0 93% 673 SD4 301 `a Sp3tD_A5 7 18 31 46 3131 141 3575 3554 0 11% 3 71 SD5 1 68 QA7tSQ12" 15 1 3241 1 3267 a 81 3618 3583 0 32% 396 SD6 264 DA,8tSQ5 18 1 3267 3250 ' — 101- 3583 3558 0 17% 467 SD7 374 QAi9tSQ6 " 24 3250 31 31 124 35 58 3554 1 0% 2400 SD8 686 i Sp7tDA6 " ' 24 3131 30 00 `. 128 3554 3554 1 0% 24 78 SD9 8 72 -.,-'$Q4tSD2 30 80 " 221 35 54 33 30 0 5% 32 73 SD10 872 -$Q9 30 64 42, 3330 3400 0 4% 27 41 SD11 -OUTLET 24 q253.11!'2 50 60 41 88 41 33 0 5% 173 SD12 1 05 - `DA10 'y 8 41 125" 35 85 36 1' ZOF 3 Revision Date 12/16/2007 DA10 10 6 797 Sq Ft 3 467 Sq 1 . i 4 10 503_Sq Ft DA% 4 279 _Sq Ft DA2 2 9 219 Sq Ft DA5 5 11 810 Sq Ft f)S,A8 6 196 Sq Ft E's 6 20143_Sq Ft PA9 7 100 Sq Ft DA3 3 13 091 Sq Ft 3 0 )= 3