Loading...
HomeMy WebLinkAboutSW3221002_Supplement-EZ Form_20221004SUPPLEMENT-EZ COVER PAGE DRMS LOAC PROJECT INFORMATION 1 Project Name Cardinal Row 2 Project Area ac 13.91 3 Coastal Wetland Area ac 0 4 Surface Water Area ac 0.06 5 Is this roiect High or Low Density? Low 6 Does this protect use an off -site SCM? No COMPLIANCE WITH 02H .1003(4) 7 Width of ve etated setbacks provided feet 50 8 Will the vegetated setback remain vegetated? Yes 9 If BUA is proposed in the setback, does it meet NCAC 02H.1003 4 c-d ? I N/A 10 1 Is streambank stabilization proposed on this project? No NUMBER AND TYPE OF SCMs: 11 Infiltration S stem 12 Bioretention Cell 13 Wet Pond 14 Stormwater Wetland 15 Permeable Pavement 16 Sand Filter 17 Rainwater Harvesting RWH 18 Green Roof 19 Level Spreader -Filter Stri LS-FS 20 Disconnected Impervious Surface DIS 21 Treatment Swale 22 Dry Pond StormFilter Silva Cell 113ayfilter IFilterra 23 24 25 26 FORMS LOADED NER CERTIFICATION Name and Title: Organization: Street address: City, State, Zip: Phone number(s): Email: Matthew C. Kirchner Eagle Engineering, Inc 2013-A Van Buren Ave Indian Trail, NC 28104 704-882-4222 mkirchner(&eagleonline.net Certification 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. �N CARO =��oFEss/oti9�y�,' SEAL = 04550 = �� •. INE ••G � /'//F�/ C K\ bi02/2022 /i/Sdant� /fl i-1 Signature of Designer 09/02/2022 Date DRAINAGE AREAS 1 Ils this a high density project? No 2 If so, number of drainage areas/SCMs 0 3 Does this roject have low density areas? Yes 4 If so number of low density drainage areas 1 5 Is all/part of this project subject to previous rule versions? No FORMS LOADED DRAINAGE AREA INFORMATION Entire Site LD 1 4 T pe of SCM N/a 5 Total drainage area (sq ft 12.07 ac 6 Onsite drainage area (sq ft 12.07 ac 7 Offsite drainage area (sq ft 0.00 ac 8 Total BUA in project (sq ft 42,736 sf. 9permitting) New BUA on subdivided lots (subject to s ft 42,736 sf. 10permitting) New BUA not on subdivided lots (subject to s 0 sf. 11 Offsite BUA (sq ft 0 sf. 12 lBreakdown of new BUA not on subdivided lots: 0 sf. - Parking (sq ft 0 sf. - Sidewalk (sq ft 0 sf. - Roof (sq ft 0 sf. - Roadway s ft 0 sf. - Future (sq ft 0 sf. - Other, please specify in the comment box below (sq ft 0 sf. 13 New infiltrating permeable pavement on subdivided lots (sq ft 0 sf. 14 New infiltrating permeable pavement not on subdivided lots (sq ft 0 sf. 15permitting) Existing BUA that will remain (not subject to s ft 0 sf. 16 lExistina BUA that is already permitted (sq ft 0 sf. 17 Existing BUA that will be removed (sq ft 0 sf. 18 Percent BUA 7% 19 Design storm inches N/a 20 Design volume of SCM cu ft N/a 21 lCalculation method for design volume N/a ADDITIONAL INFORMATION till DI-- . e +hic a +n n .ii.+e '.I.lifl-I inform +ihni i+ +he 22 drainage area(s): LOW DENSITY DESIGN REQUIREMENTS FOR LOW DENSITY PROJECTS FROM 02H .1003 1 1 Is project below 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) 3:1 5 Maximum velocity in the vegetated conveyances during the 10-year storm? 3.15 6 Are curb outlet swales proposed? No 7 Maximum longitudinal slope of curb outlet swale(s) (% ) N/a S Bottom width of curb outlet swale(s) (feet) N/a 9 Maximum side slope of curb outlet swale(s) (H:V) N/a 10 Minimum length of curb outlet swale(s) (feet) N/a 11 Are treatment swales used instead of curb outlet swales? Yes 12 Ps stormwater released at the edge of the setback as dispersed flow? Yes 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: