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HomeMy WebLinkAboutSW6210902_Supplement-EZ Form_20211130SUPPLEMENT-EZ COVER PAGE FORMS LOADED Propect Nam Aroericarr Dream Baseball Field 1 8.04 2 Area ac -- 3 Coastal Weitard Area ae 0 <0.01 4 Surface Water Area ac 5 Is ttus or Low DenSW Low 6 Does this project use an off-sibe SCM? No COW, LACE yM H SM .400344j 7 Width of sedkx*s feet 30 8 VM the veqetated setback rerrtavt ? Yes 9 it BUA is in the seWadk, does it greet NCAC O�Lt c-d 4 ? ;A 10 IS slreambank stab�ratiai proposed on this poj�'t No ; ' MdhabwBioretenUon Cell P Wet Pond SlOrmwaher Welland Pe n eabie Pavement 16 Sand Fitter 17 RaRwrater RWH 18 Green Roof 19 Level Spreader -Filer LS-FS 20 DrA:o ecthd knpervxxis Surface DIS 21 Treatmerd Swaie f 22 Dry Pond 23 StmmFHW 24 Silva Cell 25 BayfdW 26 Fitter I FORMS LOADED 27 luarrre and TRIe: Chad Goodraght, Surveyor tMauldn Watk- Sury 29 Street address: 130 Broad Street 30 City, Staff Fuguay Vanna, NC 27526 31 Phone s: 919 552-9326 I 32 Email: CFstiBcatiar Slatemafi_ certify. m*w Penally of law that ttes Sk*plerne * EZ tam and a4 -Vp-bM wk—at- were prepared order my k5recborr a Supervis on, that the a-, pn>,aded in #w farm is, to fire best of my imoMiedye and beW, true, acaxate, and cmVisk- and ftA the errge> MV plain, speaficabons, and other supportM utorr wbm are consmterd with the i Ammabw pnwmiud hoe_ .•'�',,� CAR 0���"••. =Q'�o Essio;y9/�ss 2,•Q AArrAL \ \ \ r {p . Co • � o, , s u • o �. i I -Z9 2oZ 0-15 %jr-law a'ur\v v F-%5 w 1 Is this a high density project? No 2 if so, number of drainage areas/SCMs 0 3 Does this project have low density areas? Yes 4 If so, number of low derrAy draffiage areas 1 5 Is all/part of Mis project subject to previous none versions? No FORMS_OADED 4 Type of SCM 5 Total drarnage area ft 350= 350222 6 Onsite drainage area ft 350,222 350222 7 O(fsite dragarea ft 0 0 8 Total BUA in ft 12196 sf 12196 sf 9 New BUA on subdivided lots (subject to permitting) ft sf sf 10 New BUA not on subdivided lots (subject to 12196 sf 12196 sf 11 Offsite BUA ft sf sf 12 Breakdown of new BUA not on subdivided lots: - Pa ft 6000 sf 6000 sf - Sidewalk ft sf sf - Roof ft sf sf - R ft 6000 sf 6000 sf - Future ft sf sf - Other, please specify in the comment box below ft 196 sf 196 sf 13 New infiltrating permeable pavement on subdivided lots ft 14 New infiltrating permeable pavement not on subdivided krts ft 15 Existing BUA that will remain (not subject to ft 15 Existing BUA that is ft 17 E)astng BUA that will be removed ft 18 Percent BUA 3% 3% 19 Design storm ffct& e 20 Design volume of SCM cu ft 21 Calculation method for design volume WOA:, N 22 Please use this space to provide arty additional information about the dramage area(s): )then BUA is light foundations (96 sf) and fence posts (100 sf) LOW DENSITY DESIfiftriXUA1231110M 1 FM LJM ODOM HUM OM. is project bebw density thresholds set forth in the applicable stormwater rule? Yes 2 Does project maximize dispersed flow and minimize channelization of flow? Yes 3 Has the use of piping been minimized per .1003(2)(c)? Yes 4 Side slopes of the vegetated conveyances (H_V) 5 Maximum velocity in the vegetated conveyances during the 10-year storm? 6 Are curb outlet swales proposed? No 7 Maximum longitudinal slope of curb outlet swate(s) (%) 8 Bottom width of curb outlet swale(s) (feet) 9 Maximum side slope of curb outlet swale(s) (H:V) 10 Minimum length of curb outlet swale(s) (feet) 11 Are treatment swales used instead of curb outlet swales? 12 is stormwater released at the edge of the setback as dispersed flow? Yes 13 Have stormwater outlets been designed to prevent downslope erosion? Yes 14 Are variations to rule .1003 proposed? j No Ai7E)1i3OUAL OWOMATMIN 15 Please use this space m provide any additional information about this low density project No vegetated conveyances/swales are proposed- Stormwater runoff sheet flows off of the parking area and roadway and through vegetation - Swale 4 BtJA Area area (ac) Q Scope V,0,,, V,,, C (cis) ( %�) (fps) (fig) Flow depth t�) 2 3 4 5 s 7 8 9 10 t1 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30