SW3220304_Supplement-EZ Form_20220629

SUPPLEMENT-EZ COVER PAGE
FORMS LOADED
(PROJECT INFORMATION
1
Project Name
2
Project Area (ac)
3
Coastal Wetland Area (ac)
4
Surface Water Area (ac)
5
Is this project High or Low Density?
6
Does this project use an off -site SCM?
Aldi East
�r In -bound Traffic
271.95
0
1.35
Low
No
COMPLIANCE WITH 02H .1003(4)
7
Width of vegetated setbacks provided (feet)
30' min required; 300' min. provided
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
I Is streambank stabilization proposed on this project?
No
NUMBER AND TYPE OF SCMs:
11
Infiltration System
12
Bioretention Cell
13
Wet Pond
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:
Todd Fisher
28
Organization:
ColeJenest & Stone
29
Street address:
200 S. Tryon Street, Suite 1400
30
City, State, Zip:
Charlotte, NC 28202
31
1 Phone number(s):
704-376-1555
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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Signature of Designer
06/24/22
Date

DRAINAGE AREAS
1
Is this a high density project?
No
2
If so, number of drainage areas/SCMs
0
3
Does this project have low density areas?
Yes
4
If so, number of low density drainage areas
2
5
Is all/part of this project subject to previous rule
versions?
No
FORMS LOADED
DRAINAGE AREA INFORMATION
Entire Site
LD 1
LD 2
4
Type of SCM
None
None
5
Total drainage area (sq ft)
11846000 sf
4474530
7371470
6
Onsite drainage area (sq ft)
11846000 sf
4474530
7371470
7
Offsite drainage area (sq ft)
0
0
0
8
Total BUA in project (sq ft)
1379500 sf
777070 sf
602430 sf
9
New BUA on subdivided lots (subject to
permitting) (sq ft)
0
0
0
10
New BUA not on subdivided lots (subject to
permitting) (so
268720 sf
97520 sf
171200 sf
11
Offsite BUA (sq ft)
0
0
0
12
Breakdown of new BUA not on subdivided lots:
Parking (sq ft)
192570 sf
89770 sf
102800 sf
Sidewalk (sq ft)
3060 sf
2880 sf
180 sf
Roof (sq ft)
4100 sf
4100 sf
0
Roadway (sq ft)
68990 sf
770 sf
68220 sf
Future (sq ft)
0
0
0
Other, please specify in the comment box
below (sq ft)
0
0
0
13
New infiltrating permeable pavement on
subdivided lots (sq ft)
0
0
0
14
New infiltrating permeable pavement not on
subdivided lots (sq ft)
0
0
0
15
Existing BUA that will remain (not subject to
permitting) (sq ft)
1110780 sf
679550 sf
431230 sf
16
Existing BUA that is already permitted (sq ft)
0
0
0
17
Existing BUA that will be removed (sq ft)
0
0
0
18
Percent BUA
3%
3%
2%
19
Design storm (inches)
N/A
N/A
N/A
20
Design volume of SCM (cu ft)
N/A
N/A
N/A
21
Calculation method for design volume
N/A
N/A
N/A
ADDITIONAL INFORMATION
Please use this space to provide any additional information about the
22 drainage area(s):

LOW DENSITY
DESIGN
REQUIREMENTS FOR LOW DENSITY PROJECTS FROM 02H .1003
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?
4.23
6
JAre curb outlet swales proposed?
Yes
7
Maximum longitudinal slope of curb outlet swale(s) (%)
2
8
Bottom width of curb outlet swale(s) (feet)
2 ft
9
Maximum side slope of curb outlet swale(s) (H:V)
31
10
Minimum length of curb outlet swale(s) (feet)
350 ft
11
Are treatment swales used instead of curb outlet swales?
No
12
Is stormwater released at the edge of the setback as dispersed flow?
Yes
13
Have stormwater outlets been designed to prevent downslope erosion?
Yes
14
Are variations to rule .1003 proposed?
No
ADDITIONAL
INFORMATION
15
1 Please use this space to provide any additional information about this low density project:
Swale
#
Drainage
Area
ac
BUA
(ac)
Pervious
area
ac
C
Q
(cfs)
Slope
( % )
Va„o„,
(fps)
Vatt.a,
(fps)
Flow depth
(ft)
1
0.97
0.56
0.41
0.70
4.76
2.00
6.17
2.38
0.55
2
0.50
0.39
0.11
0.82
2.87
1.50
6.33
1.87
0.46
3
1.20
0.56
0.64
0.63
5.30
9.00
5.68
4.23
0.39
4
0.92
0.39
0.53
0.60
1 3.87
5.50
5.71
1 3.24
0.38
5
0.31
0.22
0.09
0.78
1.70
3.80
5.78
2.24
0.27
6
0.71
0.58
0.13
0.84
5.88
1.50
6.33
2.27
0.65
7
1.32
1.15
0.17
0.89
8.23
1.00
6.68
2.14
0.85
8
0.52
0.32
0.20
0.58
2.11
1.20
6.56
1.58
0.41
9
3.17
2.75
0.42
0.87
19.30
1.50
6.55
3.07
1.03
10
1.12
0.26
0.86
0.48
3.80
0.65
7.15
1.25
0.45
11
0.26
0.13
0.13
0.65
1.18
1.00
6.49
1.32
0.41
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28