SW5240302_Supplement-EZ Form_20240419

SUPPLEMENT-EZ COVER PAGE
FORMS LOADED
PROJECT INFORMATION
1 Project Name Grading)
_ 2 Project Area(ac) 52.939_
3 Coastal Wetland Area(ac) 0
4 Surface Water Area(ac) 0.66
5 Is this project High or Low Density? _ Both High and Low Density
6 Does this project use an off-site SCM? No
COMPLIANCE WITH 02H.1003(4)
7 Width of vegetated 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)? N/A
10 Is streambank stabilization proposed on this project? No
_ _ ,_.-_
NUMBER AND TYPE OF SCMs:
n
11 Infiltration System '
12 Bioretention Cell
13 Wet Pond —_. 3
14 Stormwater Wetland ---_—ry
-------- ------
_ 15 Permeable Pavement 16 (Sand Filter
17 Rainwater Harvesting(RWH)
— —18 Green Roof19 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: Jeff Foster,PE,Project Manager
28 Organization: CE Group,Inc
29 Street address: r 367 Freedom Pkwy,Suite 220 ____
_30 City,State,Zip: Pittsboro,NC 27312
31 Phone number(s): [phone] x-105
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
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DRAINAGE AREAS
1 Is this a high density project? Yes
2 If so,number of drainage areas/SCMs 3
3 Does this project have low density areas? Yes
4 If so,number of low density drainage areas 2
Is all/part of this project subject to previous rule
5 versions? No
FORMS LOADED
DRAINAGE AREA INFORMATION Entire Site 1 2 3 LD 1
4 Type of SCM Wet Pond Wet Pond Wet Pond N/A
5 Total drainage area(sq ft) 543193 369389 281833 520673
6 Onsite drainage area(sq ft) 538706 320282 281833 520673
7 Offsite drainage area(sq ft) 4487 49107 0 0
8 Total BUA in project(sq ft) 439157 sf 192989 sf 227929 sf 22147 sf
New BUA on subdivided lots(subject to permitting)
9 (sq ft) sf sf sf
New BUA not on subdivided lots(subject to
10 permitting)(sf) 439157 sf 192989 sf 227929 sf 22147 sf
11 Offsite BUA(sq ft) sf sf sf
12 Breakdown of new BUA not on subdivided lots:
-Parking(sq ft)
-Sidewalk(sq ft)
-Roof(sq ft)
-Roadway(sq ft)
-Future(sq ft)
-Other,please specify in the comment box
below(sq ft) 439157 sf 192989 sf 227929 sf 22147 sf
New infiltrating permeable pavement on
13 subdivided lots(sq ft) sf sf sf sf
New infiltrating permeable pavement not on
14 subdivided lots(sq ft) sf sf sf sf
Existing BUA that will remain(not subject to
15 permitting)(sq ft) sf sf sf sf
16 Existing BUA that is already permitted(sq ft) sf sf sf sf
17 Existing BUA that will be removed(sq ft) sf sf sf sf
18 Percent BUA 81% 52% 81% 4%
19 Design storm(inches) 1.0 in 1.0 in 1.0 in
20 Design volume of SCM(cu ft) 35254 of 16013 cf 18224 of
21 Calculation method for design volume Simple Method Simple Method Simple Method
ADDITIONAL INFORMATION
Please use this space to provide any additional information about the
22 drainage area(s):
For Drainage Area 1 -BUA is a stone deck where mobile equipment is staged
and product is stockpiled. No designated parking areas or buildings are
present. Access to the site is through a low density area and it is gravel like
the deck. Drainage Area 2&3 is the same as 1.

DRAINAGE AREAS
1 Is this a high density project? Yes
2 If so,number of drainage areas/SCMs 3
3 Does this project have low density areas? Yes
4 If so,number of low density drainage areas 2
Is all/part of this project subject to previous rule
5 versions? No
FORMS LOADED
DRAINAGE AREA INFORMATION Entire Site LD 2
4 Type of SCM N/A
5 Total drainage area(sq ft) 759894
6 Onsite drainage area(sq ft) 759894
7 Offsite drainage area(sq ft) 0
8 Total BUA in project(sq ft) 41028 sf
New BUA on subdivided lots(subject to permitting)
9 (sq ft)
New BUA not on subdivided lots(subject to
10 permitting)(sf) 41028 sf
11 Offsite BUA(sq ft)
12 Breakdown of new BUA not on subdivided lots:
-Parking(sq ft)
-Sidewalk(sq ft)
-Roof(sq ft)
-Roadway(sq ft)
-Future(sq ft)
-Other,please specify in the comment box
below(sq ft) 41028 sf
New infiltrating permeable pavement on
13 subdivided lots(sq ft) sf
New infiltrating permeable pavement not on
14 subdivided lots(sq ft) sf
Existing BUA that will remain(not subject to
15 permitting)(sq ft) sf
16 Existing BUA that is already permitted(sq ft) sf
17 Existing BUA that will be removed(sq ft) sf
18 Percent BUA 5%
19 Design storm(inches)
20 Design volume of SCM(cu ft)
21 Calculation method for design volume
ADDITIONAL INFORMATION
Please use this space to provide any additional information about the
22 drainage area(s):
For Drainage Area 1 -BUA is a stone deck where mobile equipment is staged
and product is stockpiled. No designated parking areas or buildings are
present. Access to the site is through a low density area and it is gravel like
the deck. Drainage Area 2&3 is the same as 1.