SW6220603_Supplement-EZ Form_20220916

SUPPLEMENT-EZ COVER PAGE
LOAD SUPPLEMENT FORMS
PROJECT
WJKNWATION
1
I ftjad Name — — i
Pmjed Area ac
Coastal Wetland Area ac
Suface Water Area sc ---
Is Oft projW High or Low Dens --
this project use an off -site SCM?
Hamra Sw symm
2
T5
3
0
4
0
5
High
B 1130es
yes
COIKLUNCE tMTH 02H .1 oa(4)
7
WYdth of etated setbacks ffovidledfeet
50
8
Will the vegetated setback remain ed?
Yes
9
ff BUA is Proposed in the setback, does k meet NCAC 021-11.1 4 ?
NIA
10
Is streambank shgAzation proposed on this project?
No
NUMBER
AND TYPE OF SCMs:
11
Infiltration System
12
Bioretention Cal
13
Wet Pond
14
5tomwmller Wetland
15
Permeable Pamremerd
16
Sand Fiiler-
17
Rainwater Harvestirig (RWH
18
Green Roof
19
Level Spreader -Fitter LS-FS
20
Disconnected Imperviots Surface IS
21
Treatment Swale
Pond
23
StormFdter
r22
24
Siva Cel
25
Ba r
26
Fltem
LOAD SUPPLEMENT FORMS
DESIGNER CERTIFICATION
27
Name and Trtie:
Jarrod E. Hilliard, PE, CFM, Owner
28
Organization:
Hilliard Engineering, PLLC
29
Street address:
_ 3417 Winterwind Circle
30
City, State, Zip:
Sanford, NC 27330
31
Phone numbers :
919-352-2834
32
1 Ema:
jhilliardChilliardengineedng.com
Certification Statement
I certify, under penalty of law that this SupPlement-El form and all supporting information were prepared under my direction or supervision; that the
information provided in the forth 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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Date

DRAINAGE AREAS
1
Is Ors a high density project?
Yes
2
If so, number of drainage areas=kft
1
3
Does Ors pTiqd have low density areas?
No
4
If so, number of low density drainage areas
0
5
Is aRlpart of this project subject to previous rule
versions?
No
FORMS LOADED
DRAINAGE AREA INFORMATION
Entim SM
t
4
Type of SCM
5
Total drainage area fl
326,700
326,700
6
Onsite drainage area ft
326,700
326.700
7
Offsite drainage area ft
8
Total BUA in R
258531 sf
258531 sf
9
New BUA on subdivided lots (subject to permitting)
ft
10
New BUA not on subdivided lots (subject to
perm") (so
258531 sf
258531 sf
11
Offsite BUA N ft
12
Breakdown of new BUA not on subdivided lots:
- Parking ft
117831 sf
117831 sf
- Sidewalk ft
- Roof ft
1407W sf
140700 sf
- Roadwa
- Future ft
- Other, please specify in the comment ton
below fl
13
New infiltrating permeable pavement on
subdivided lots ft
14
New infiltrating permeable pavement not on
subdivided lots (sq ft)
Usting BUA that will remain (not subject to
rmitti ft
15
16
E)dsting BUA that is already permitted ft
17
E)dsting BUA that will be removed ft
18
Penoent BUA
79%
79%
19
Design storm inches
20
Design volume of SCM cu ft
21
Calculation method for design volume
ADDITIONAL INFORMATION
22
Please use this space to provide any additional information about the
drainage area(s):

OFF -SITE SCM
THE DRAINAGE
AREA
1
Drainage area number for this project
2
Master permit number
SW6100804
3
Drainage area number from the master permit
1
4
Lot or outparcel number
Mini Storage
5
BUA allocated by Master Permit
258531 sf
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)
67707 cf
8
Have deed restrictions limiting the BUA on the site been recorded?
No
9
Has an Engineer's Certification for the off -site SCM been submitted to DEo?
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?
No
12
Will the collection system be maintained in its design state and kept clean?
Yes
ADDITIONAL
INFORMATION
13 1
Please use this space to provide any additional information about the off -site SCM(s):
One of the outparcels and the residential portion of SW6100804 has not been constructed as of the date of
this submission.