SW3240301_Supplement-EZ Form_20240305

SUPPLEMENT-EZ COVER PAGE
FORMS LOADED
PROJECT INFORMATION
1 Project Name Village of Granite Quarry Phase III
2 Project Area(ac) 9.79
3 Coastal Wetland Area(ac) 0
4 Surface Water Area(ac) 0
5 Is this project High or Low Density? High
6 Does this project use an off-site SCM? Yes
COMPLIANCE WITH 02H.1003(4)
7 Width of vegetated setbacks provided(feet) 30'
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)? N/A
10 Is streambank stabilization proposed on this project? No
NUMBER AND TYPE OF SCMs:
11 Infiltration System 0
12 Bioretention Cell 0
13 Wet Pond 1
14 Stormwater Wetland 0
15 Permeable Pavement 0
16 Sand Filter 0
17 Rainwater Harvesting(RWH) 0
18 Green Roof 0
19 Level Spreader-Filter Strip(LS-FS) 0
20 Disconnected Impervious Surface(DIS) 0
21 Treatment Swale 0
22 Dry Pond 0
23 StormFilter 0
24 Silva Cell 0
25 Bayfilter 0
26 Filterra 0
FORMS LOADED
DESIGNER CERTIFICATION 27 Name and Title: Allen Mcdowell
28 Organization: Bohler Engineering,NC
29 Street address: 1927 S.Tryon Street,Suite 310
30 City,State,Zip: Charlotte,NC 28203
31 Phone number(s): [phone]
32 Email: [e-mail]
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.
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D RAI NAG E AREAS
1 Is this a high density project? Yes
2 If so,number of drainage areas/SCMs _ 1
3 Does this project have low density areas? _ Yes
4 If so,number of low density drainage areas _ 1
Is all/part of this project subject to previous rule
5 versions? No
FORMS LOADED
DRAINAGE AREA INFORMATION Entire Site 1 LD 1
4 Type of SCM BMP6 BYP5,6,8
5 Total drainage area(sq ft) 319033 _ 274397 44636
6 Onsite drainage area(sq ft) 283922 257653 26269
7 Offsite drainage area(sq ft) 35111 16744 18367
8 Total BUA in project(sq ft) 122622 sf 103573 sf 19049 sf
New BUA on subdivided lots(subject to
9 permitting)(sq ft) 50839 sf 50839 sf sf
New BUA not on subdivided lots(subject to
10 permitting)(sf) 45190 sf 45190 sf sf
11 Offsite BUA(sq ft) 7544 sf 7544 sf sf
12 Breakdown of new BUA not on subdivided lots: 0
-Parking(sq ft) 3574 sf 3574 sf sf
-Sidewalk(sq ft) 8889 sf 8889 sf sf
-Roof(sq ft) sf sf sf
-Roadway(sq ft) 32727 sf 32727 sf sf
-Future(sq ft) sf sf sf
-Other,please specify in the comment box
below(sq ft) sf
New infiltrating permeable pavement on
13 subdivided lots(sq ft) sf sf sf
New infiltrating permeable pavement not on
14 subdivided lots(sq ft) sf sf sf
Existing BUA that will remain(not subject to
15 permitting)(sq ft) 45604 sf 26555 sf 19049 sf
16 Existing BUA that is already permitted(sq ft) sf
17 Existing BUA that will be removed(sq ft) sf sf sf
18 Percent BUA 38% 43%
19 Design storm(inches) 1.0 in N/A
20 Design volume of SCM(cu ft) 12009 cf N/A
21 Calculation method for design volume scs N/A
ADDITIONAL INFORMATION
Please use this space to provide any additional information about the
22 drainage area(s):

OFF-SITE SCM
THE DRAINAGE AREA
1 Drainage area number for this project BMP 3
2 Master permit number SW3171201
3 Drainage area number from the master permit BMP#3
4 Lot or outparcel number 404B100
76,230 SF OR 1.75
5 BUA allocated by Master Permit ACRES
INFORMATION ABOUT THE OFF-SITE SCM
6 Type of off-site SCM Wet Pond
7 Available treatment capacity in the off-site SCM (cu ft) 38493 cf
8 Have deed restrictions limiting the BUA on the site been recorded? YES
9 Has an Engineer's Certification for the off-site SCM been submitted to DEQ? No
10 Are there any Notices of Violation for the off-site system? No
11 Has the off-site SCM been maintained in accordance with its O&M Plan? Yes
12 Will the collection system be maintained in its design state and kept clean? No
ADDITIONAL INFORMATION
13 Please use this space to provide any additional information about the off-site SCM(s):