Loading...
HomeMy WebLinkAboutSW6240805_Supplement-EZ Form_20241016 SUPPLEMENT-EZ COVER PAGE FORMS LOADED IPROJECT INFORMATION , .. 11.1.BAMSOM .. .w., .w� ,,.m..,. M , 1 I Project Name McQueen Farms Phase II 2 Project Area(ac) 59.13 3 Coastal Wetland Area(ac) 0 ( 4 Surface Water Area(ac) 47.07 j 5 Is this project High or Low Density? Low ( + 6 Does this project use an off site SCM? No COMPLIANCE WITH 02H 1003(4) s 7 Width of vegetated setbacks provided(feet) 30 l 8 Will the vegetated setback remain vegetated'? Yes i. 9 r If BUA is proposed in the setback,does it meet NCAC 02H 1003(4)(c d)? N/A 10 Is streambank stabilization proposed on this project? No # NUMBER AND TYPE OF SCMs 11 Infiltration System ` 12 Bioretention Cell s 13 Wet Pond t 14 Stormwater Wetland +. i 15 Permeable Pavement 4 16 Sand Filter j 17 'Rainwater Harvesting(RWH) 1 Roof i 19 eveln Spreader-Filter Strip(LS-FS) 20 Disconnected Impervious Surface(DIS) i # 21 ;Treatment Swale ) 22 Dry Pond s I 23 lStormFilter d 24 Silva Cell 25 Bayfilter i 26 ,Filterra FORMS LOADED DESIGNER CERTIFICATION_ r _ ,, _ y 27 Name and Title: C. Scott Brown PE s 28 Organization: 4D Site Solutions Inc 1 29 Street address: 409 Chicago Dr.Ste. 112 30 City,State,Zip: Fayetteville, NC 28306 1 31 'Phone number(s): 910-426-6777 s 32 Email sbrown@4dsitesolutions.com 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. Designer 0�' I CARS Q \,j' q(L\l‘y\iN,„..._ �, EAL _ Signatureo Designer 027452 = . S�•NGINEE O�� Seal Date DRAINAGE AREAS i 1 I Is this a high density project? No 2 If so number of drainage areas/SCMs 0 9 3 Does this project have low density areas? Yes { 4 ` If so,number of low density drainage areas 1 Its all/part this project subject to previous rule i 5 "versions? No FORMS LOADED DRAINAGE AREA INFORMATION EndreaSite I LD 1 4 i Type of SCM t t 1 5 )Total drainage area(sq ft) 2575702 t 2575702 i 6 ;Onsite drainage area(sq ft) 4 _ 2575702 ; 2575702 7 Offsite drainage area(sq ft) a .1 0 C 8 Total BUA in project ft 341434 sf 341434 sf t R 1 ...(sq ) s ___ New BUA on subdivided lots(subject to Y 9 permitting)(sq ft) 246000 sf _ 246000 sf t l New BUA not on subdivided lots(subject to 1 ) 10 !permitting}(sf) 95434 sf 95434 sf N 11 i Offsite BUA(sq ft) sf k 12 !Breakdown of new BUA not on subdivided lots jj .___.. t._ _.. ._k Parking(sq ft) t _..._ , Sidewalk(sq ft) 15015 sf 15015 sf 4, i Roof_(sq n) Roadway(sq ft} 80419 sf 80419 sf .. Future(sq ft) %. 1._ 4 Other, please specify in the comment box below ft € __ ,New infiltrating permeable pavement on i z r 13 subdivided lots(sq ft) ° _.._ _. New infiltrating permeable pavement not on t f 14 isubdivided lots(sq ft) 1, 1. + Existing BUA that will remain(not subject to r W U i 15 permitting)(sq ft) Nv N_ 1 16 Existing BUA that is already permitted(sq ft) 1 '.� 1 ( 17 Existing BUA that will be removed(sgft) it. 18 Percent BUA 13%_ 13% N 1!a 19 'Design storm(inches) 20 .Design volume of SCM(cu ft) J 21 iCalculation method for design volume A �, _. .:9n.o,9.. ., ., a,.. �e. �mo o2 ADDITIONAL INFORMATION ..> �n. F. !Please use this space to provide any additional information about the a N 22 drainage area(s): I . t 1 LOW DENSITY DESIGN REQUIREMENTS FOR LOW DENSITY PROJECTS FROM 02H.1003 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 3 sf 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? • 7 Maximum longitudinal slope of curb outlet swale(s)(%) 8 Bottom width of curb outlet swale(s)(feet) a, 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? k 12 :Is stormwater released at the edge of the setback as dispersed flow? 1 13 Have stormwater outlets been designed to prevent downslope erosion? t 14 Are variations to rule.1003 proposed? f ADDITIONAL INFORMATION 15 Please use this space to provide any additional information about this low density project: • Y 1 i Swale Drainage , BUA Pervious I q Slope V,r,, V,�,,, Flow depth Area (ac) fact area C fact (c(s) (%) (fill ((Pt) (ft) 1 1.51 0.50 1.01 0.40 4.40 0.20 5.00 0.49 1.42 2 2.09 0.68 1.41 0.39 5.98 0.44 5.00 0.87 1.22 3 0.87 0.36 0.51 0.46 2.93 0.31 5.00 0.54 1.05 4 3.27 0.47 2.80 0.26 6.12 0.41 5.00 0.84 1.26 6 2.74 0.00 2.74 0.15 2.47 0.41 5.00 0.61 ! 0.88 6 0.84 0.11 0.73 0.25 1.26 0.48 5.00 0.52 0.63 7 2.54 0.86 1.68 0.40 7.48 0.41 5.00 0.90 1.36 8 1.41 0.49 0.92 0.41 4.23 0.27 5.00 0.58 1.26 10 11 12 , 13 14 16 16 17 18 19 20 20 22 23 24 26 26 , 27 , 28 28 , 30 I.