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HomeMy WebLinkAboutSW5221201_Supplement-EZ Form_20221220SUPPLEMENT-EZ COVER PAGE fO RMS LOADED PROJECT INFORMATION 1 Project Name Princeville Farmer's Market 2 Project Area ac 13.53 3 Coastal Wetland Area ac 0 4 Surface Water Area ac 0 5 Is this project High or Low Density? Low ti 1 Does this project use an off -site SCM? No COMPLIANCE WITH 02H .1003(4) 7 Width of vegetated setbacks provided feat NIA 8 Will the vegetated setback remain vegetated? NIA 9 If BUA is proposed in the setback does it meet NCAC 02H.1003 4 c-d ? NIA 10 Is streambank stabilization proposed on this project? No NUMBER AND TYPE OF SCM9: 11 Infiltration System 0 0 12 Bioretention Cell 13 Wet Pond Stormwater Wetland 0 14 0 15 Permeable Pavement ISand Fitter 0 16 0 0 0 17 Rainwater Harvestin RW H 18 _ Green Roof 19 Level Spreader -Filter Strip LS-F5 0 20 Disconnected Impervious Surface DIS 0 21 Treatment Swale 0 22 1 Dry Pond 0 23 StormFilter 0 24 Silva Cell Bayfilter 0 25 0 0 28 Filterra FORMS LOADED DESIGNER CERTIFICATION 27 Name and Title: Organization: William A. Larsen P.E. 28 The Wooten Company 29 Street address: 301 West 14th Street Greenville NC 27834 252-757-1096 wlarsen@thewootencompany.com 30 City, State Zip-. 31 Phone numbers : 32 Email: Certiflcatlon Statement: I certify, under penalty of law that this Supplement-EZ form and all supporting information were prepared under my direction or supervision; that the information provided in the form is, to the best of my knowledge and belief, true, accurate, and complete: and that the engineering plans, specifications, operation and maintenance agreements and other supporting information are consistent with the information provided here. Signature of Designer ,57 I [ 76ZZ Date DRAINAGE AREAS 1 Is this a high density project? No 2 If so number of drainage areaslSCMs 0 3 Does this project have low density areas? Yes 4 If so number of low density drainage areas 1 5 Is alllpart of this project subject to previous rule versions? No FORMS LOADLD DRAINAGE AREA INFORMATION Entire Site LD 1 4 Tvpe of SCM N/A NIA 5 Total drains a area (sq ft) 589,367 589,367 6 Onsite drainage area (sq ft) 589,367 589,367 7 Offsite drainage area (sq ft 0 0 8 Total BUA in project (sq ft 60937 sf 60937 sf 9permitting) New BUA on subdivided lots (subject to s ft NIA NIA 10permitting) New BUA not on subdivided lots (subject to sf 29836 sf 29836 sf 11 Offsite BUA (sg ft) NIA NIA 12 Breakdown of new BUA not on subdivided lots: - Parking (sq ft NIA NIA - Sidewalk (sq ft 3904 sf 3904 sf - Roof (sq ft 10000 sf 10000 sf - Roadway s ft NIA NIA - Future (sq ft NIA NIA - Other, please specify in the comment box below ft 15932 sf 15932 sf 13 New infiltrating permeable pavement on subdivided lots ft NIA NIA 14 New infiltrating permeable pavement not on subdivided lots ft NIA NIA 15permitting) Existing BUA that will remain (not subject to s ft 28851 sf 28851 sf 16 Existing BUA that is already permitted (sq ft NIA NIA 17 Existing BUA that will be removed (sq ft 7231 sf 7231 sf 10% 16 IDesiUn Percent BUA 10% 19 storm inches 15.0 in 15.0 in _ 20 Desi n volume of SCM cu ft NIA NIA 21 lCalculation method for design volume Rational Rational ADDITIONAL INFORMATION Please use this space to provide any additional information about the 22 drainage areas : Other BUA: 1,017 SF of dumpster pad and concrete drive, 8.675 SF of walking trail, and 6,240 SF of basketball court. LOW DENSITY 9118QUIREMENTS FOR LOW DEN IlY PROJECTS FROM 02H.1003 1 Is project below density thresholds set forth in the applicable stormwater rule? Yes 2 Does project maximize dispersed Now and minimize channelization of flaw? Yes 3 Has the use of piping been minimized per. 1 003(2)c ? Yes 4 Side slopes of the vegetated comre ances H:V (2:1) 5 Maximum velocity in the vegetated conveyances during the 10-year storm? 4 6 Are curb outlet swales proposed? No 7 1 Maximum longitudinal slope of curb outlet swales) I%) NIA a Bottom width of curb outlet swate(s) feet NIA 9 Maximum side slope of curb outlet swale(s) (H:V) NIA 10 Minimum length of curb outlet swales) (feet) WA 11 Are treatment swales used instead of curb outlet swales? NIA 12 Is stormwater released at the edge of the setback as dispersed flow? No 13 1 Have stormwater outlets been designed to prevent downslope erosion? Yes 14 jAre variations to rule 1003 proposed? No ADDITIONAL INFORMATION 15 1 Please use this space to provide any additional information about this low density project: mom