SW4240903_Supplement-EZ Form_20241114

SUPPLEMENT-EZ COVER PAGE
FORMS LOADED
PROJECT INFORMATION
1 Project Name Villas At Hickory Tree
2 Project Area(ac) 7.114
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? No
COMPLIANCE WITH 02H.1003(4)
7 Width of vegetated setbacks provided(feet) 6
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
12 Bioretention Cell
13 Wet Pond 1
14 Stormwater Wetland
15 Permeable Pavement
16 Sand Filter
17 Rainwater Harvesting(RWH)
18 Green Roof
19 Level Spreader-Filter Strip(LS-FS)
20 Disconnected Impervious Surface(DIS)
21 Treatment Swale
22 Dry Pond
23 StormFilter
24 Silva Cell
25 Bayfilter
26 Filterra
FORMS LOADED
DESIGNER CERTIFICATION 27 Name and Title: Liz Warlick,PE,Civil engineering manager
28 Organization: CESI
29 Street address: PO Box 268
30 City,State,Zip: Concord,NC 28026
31 Phone number(s): 704-489-2684
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.
Designer
Signature of Designer
Seal Date

DRAINAGE 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? _ No
4 If so,number of low density drainage areas _ 0
Is all/part of this project subject to previous rule
5 versions? No
FORMS LOADED
DRAINAGE AREA INFORMATION Entire Site 1
4 Type of SCM WET POND
5 Total drainage area(sq ft) 4.78
6 Onsite drainage area(sq ft) 4.78
7 Offsite drainage area(sq ft)
8 Total BUA in project(sq ft) 82821 sf
New BUA on subdivided lots(subject to
9 permitting)(sq ft)
New BUA not on subdivided lots(subject to
10 permitting)(sf)
11 Offsite BUA(sq ft)
12 Breakdown of new BUA not on subdivided lots:
-Parking(sq ft)
-Sidewalk(sq ft) 8610 sf
-Roof(sq ft) 23696 sf
-Roadway(sq ft) 49129 sf
-Future(sq ft)
-Other,please specify in the comment box
below(sq ft) (Misc)1386 sf
New infiltrating permeable pavement on
13 subdivided lots(sq ft) N/A
New infiltrating permeable pavement not on
14 subdivided lots(sq ft) N/A
Existing BUA that will remain(not subject to
15 permitting)(sq ft)
16 Existing BUA that is already permitted(sq ft)
17 Existing BUA that will be removed(sq ft)
18 Percent BUA 26.73%
19 Design storm(inches) 1.0 in
20 Design volume of SCM(cu ft) 7473 cf
21 Calculation method for design volume Simple Method
ADDITIONAL INFORMATION
Please use this space to provide any additional information about the
22 drainage area(s):
Post DA 1 is the Wet Pond's drainage area with the 2024 Plans.The"new"
bua above is the existing 2024 conditions under the assumption that the
2013 Proposed BUA is being permitted for 2024.Sidewalk IMP is assumed
as"Concrete."Parking IMP is assumed part of pavement.