SW6220704_Supplement-EZ Form_20221027

SUPPLEMENT-EZ COVER PAGE
PROJECT INFORMATION
1
Project Name
Edison Acres
2
Project Area (ac) _
55.26
3-
Coastal Wetland Area ac
0
4
Surface Water Area ac
0
5
F—
Is this project High or Low Density? ---- --
Low
- -- - — - _�
6
Does this project use an off -site SCM?
No
COMPLIANCE WITH 02H .1003(4)
7 Width of vegetated setbacksprovided Meet) _ _ _ 30'
8 Will the vegetated setback remain vegetated? Yes
s 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
0
14
Stormwater Wetland
0
15
Permeable Pavement
0
16
Sand Filter
0
17
Rainwater Harvesting (RWH)
0
18
s
Green Roof ..------- --- _— ----
s._ 0
19
Level Spreader -Filter Strip (LS-FS)
0
20
_ _ _ _
Disconnected lmLervious Surface (DIS)—�_---®
0
F 21
Treatment Swale
22
Dry Pond_
0
23
StormFilter
0
24
Silva Cell _ ._
0
25
Bayfiker
0
26
Filterra
0
FORMS LO;V '
DESIGNER CERTIFICATION �..", ,�-._.,��d�--�.•_�=�•--"..
' "'
27
Name and Title: �'�-max
Fleet Temple, PE
28
Organization:
Fleet Temple Engineering, PLLC
29
Street address:
5245 Red Hill Church Rd.
30
City_State,-?�P:
Coats, NC 27521
31
Phone number(s):
910-658-2446
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
•a. 4 t r•e3,►�
Seal
C
Si ature of Designer
Date
/C 2 -7 Zo7/L

DRAINAGE AREAS
1 11stilisa Nghdensity project?
Mo
2 ` Ifso, number of drainage areas/SCMs
0
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
IVIS LOADED
DRAINAGE AREA INFORMATION
Entire Site
LD 1
4 T of S C M
5 Total drainage area (sq ft)
2407038
2407038
6 Onsite drainage area (sq ft)
2407038
2407038
7 Offsite drainage area (sq ft� ^�
0
0 J...
8 Total BUA inproject (sq ft)
560203 sf
560203 sf
New BUA on subdivided lots (subject to permitting)
9 (sq ft _ _ _
4.95000 sf
495000 sf
New BUA not on subdivided lots (subject to
10 rmitting) (sQ
sf
sf
11 imsite BUA ft
sf
j
Breakdown of new BUA not on subdivided lots:
L12I
-Parking (sq
_8idewalk (sqft)_—_ -
- Roof ft
-- — -
- Roadway (sq ft)
65203 sf t
65203 sf
I - Future (sq ft)
_
Other, please specify in the comment box
below ft
New infiltrating permeable pavement on-
13 subdivided lots (sq _ft) _
--.-------
—�.----
--
New infiltrating infiltrating permeable pavement not on
14 subdivided lots ft
sf
Existing BUA that will remain (not subject to
a
15 rndtiri(sq R) ._. -- -- --- -- ----
_ _ ---
- -- -
16 Existing BUA that is already permitted ft
17 iExisting BUA that will be removed (sq
18 Percent BUA
23%
^ 23%
^ _ _
19 , Desig n storm (inches)
� 26�&sig n volume of SCM (cu ft)
21 Calculation method for design volume
ADDITIONAL INFORMATION
j
Please use this space to provide any additional information about the
22 drainage area(s):
j
E
j

LOW DENSITY
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
4
Side slopes of the vegetated conveyances (H:V)
31
5
Maximum velocity in the vegetated conveyances during the 10-year storm?
5
6
Are curb outlet swales proposed?
Yes
$ 7
Maximum longitudinal slope of curb outlet swale(s) (%)
10%
8
Bottom width of curb outlet swale(s) (feet)T_ -�
4' & 6
9
Maximum side slope of curb outlet swale(s) (H:V)
31
10
Minimum length of curb outlet swale(s) (feet)
100 ft
11
Are treatment swales used instead of curb outlet swales?
N o
12
Is stormwater released at the edge of the setback as dispersed flaw?
Yes
13
Have stormwater outlets been designed to prevent downslope erosion?
Yes
14
Are variations to rule 1003 proposed?
No
ADDITIONAL INFORMATION
_
15
Please use this space to provide any additional information about this low density project
z
s
m
r
t
€
CURB OUTLET SWALE& 21. 22 2124
�
Drainage
Pervious
Swale
Area
BUA
C
Q
Slope
V,,,,w
V-1
Flow depth
#
(ac)
area
(cfs)
(%)
(fps)
(fps)
(ft)
1
180
043
1 37
050
6.48
1 36
500
320
090
2
290
0.68
2.22
0.50
10A4
1.36
5.00
3.60
1 10
3
1.70
040
1.30
0.50
6.12
4.12
5.00
470
070
4
200
0,47
1.53
050
7.20
4 12
5.00
5.D0
0.80
5
0.40
0.09
0.31
0.50
1.44
4.12
500
3.20
0.40
6
0.70
017
0.53
0.50
2.52
4.12
500
370
050
7
0.20
0.05
015
050
072
1.00
500
1.60
0.40
8
040
0.09
0.31
0.50
1.44
1.00
5.00
1.90
0.50
9
0 50
012
038
0.50
1 80
2.77
5-00
300
0-50
10
1 30
0.31
099
0.50
468
2.77
500
3.80
0.70
11
0.30
0.07
023
0.50
1 08
1.92
5.00
230
040
12
0.80
0.19
0.61
0.50
2.88
192
5.00
2.90
060
13
050
0.12
038
050
1 80
1 92
5.00
260
050
14
050
0,12
038
0.50
1 80
1. 92
500
260
0.50
15
1 70
040
1 30
050
6 12
059
500
230
100
16
1-40
033
1 07
050
504
0.59
5-00
1.60
0.60
17
030
007
023
0.50
1.08
0.50
500
140
0.60
18
020
U5
0.15
0.50
072
0.50
500
120
0.50
19
110
026
0.84
0.50
3.96
9-74
500
3.40
0.60
20
050
0.12
0.38
050
1.80
9.74
500
2.80
050
21
180
043
1 37
050
648
2.50
5.00
340
0.40
22
1.00
0.24
0.76
050
3 60
2.00
5.00
270
0.30 i
23
160
0.38
122
050
5.76
10.00
5.00
470
0.20
24
2.10
0.50
1.60
0.50
7.56
2.50
5.00
3.40
0.40
25
26
-
3
27
-
-
28
-
29
30