SW3200201_Supplement-EZ Form_20200319

SUPPLEMENT-EZ COVER PAGE
FORMS LOADED
PROJECT INFORMATION
1
I Project Name
Dollar General - Newton (Store #21479)
2
Project Area (ac)
2.11
3
Coastal Wetland Area ac
0
4
Surface Water Area ac
0
5
Is this iproject 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) NIA
8 Will the vegetated setback remain vegetated? Yes
9 Is BUA other that as listed in .1 003(4) c-d out of the setback? Yes
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
1
17
Rainwater Harvesting RWH
0
18
Green Roof
0
19
Level Spreader -Filter Strip (LS-FS)
0
20
Disconnected Impervious Surface (DIS)
0
21
ITreatment Swale
0
22
Dry Pond
0
23
StormFilter
0
24
Silva Cell
0
25
Sayfliter
0
26
Filterra
0
FORMS LOADED
DESIGNER CERTIFICATION
27
Name and Title:
Justin Church, PE 1 Principal Engineer
28
Organization:
BREC. P.A.
29
Street address:
1520 Meadowview Drive
30
City, State, Zip:
Wilkesboro, NC 28697
31
Phone number(s):
336.844-4088
32
1 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 knowled a and belief, true, accurate, and complete; and
that the engineering plans, specifications, operation and maintenance agreementd other supporting information are consistent
with the information provided here.
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DRAINAGE AREAS
1
Is this a high density project?
Yes
2
If so, number of drainage areas/SCMs
1
3
Is all/part of this project subject to previous rule
versions?
No
FORMS LOADED
AREA INFORMATION
Entire Site
1
4
T pe of SCM
N/A
Sand Filter
5
Total BUA in project (sq ft
29724 sf
29512 sf
6permitting)
New BUA on subdivided lots (subject to
s ft
N/A
N/A
7permitting)
New BUA outside of subdivided lots (subject to
sf
29724 sf
29512 sf
8
Offsite - total area (sq ft
57064 sf
sf
9
Offsite BUA (sq ft
33347 sf
sf
10
Breakdown of new BUA outside subdivided lots:
Parking (sq ft
19474 sf
19262 sf
Sidewalk (sq ft
1290 sf
1290 sf
Roof (sq ft
8960 sf
8960 sf
Roadway s ft
sf
sf
Future (sq ft
sf
sf
Other, please specify in the comment box
below (sq ft
sf
sf
11
New infiltrating permeable pavement on
subdivided lots (sq ft
sf
sf
12
New infiltrating permeable pavement outside of
subdivided lots (sq ft
sf
sf
13
Exisitng BUA that will remain (not subject to
ermitting) (sq ft
sf
sf
14
Existing BUA that is already permitted (sq ft
sf
sf
15
Existing BUA that will be removed (sq ft
sf
sf
16
Percent BUA
33%
68 0
17
IDesign storm inches
N/A
1 in
18
IDesign volume of SCM cu ft
N/A
1794 cf
19
lCalculation method for design volume
N/A
Schueler
ADDITIONAL INFORMATION
20
Please use this space to provide any additional information about the
drainage area(s):
DRAINAGE AREA INFORMATION
Entire Site
1
4
T pe of SCM
N/A
5
Total BUA from project (sq ft)
6
1995 rules
S L 2006-246
2008 rules
2017 rules
7
New BUA on subdivided lots (subject to
permitting) (sq ft)
1995 rules
S L 2006-246
2008 rules
2017 rules
New BUA outside of subdivided lots (subject
to permitting) (sf)
1995 rules
S L 2006-246
2008 rules
8
2017 rules
9
Offsite - total area (sq ft)
1995 rules
S L 2006-246
2008 rules
2017 rules
10
Offsite BUA (sq ft)
1995 rules
S L 2006-246
2008 rules
2017 rules
11
IDesign storm (inches)

1995 rules
SL 2006-246
2008 rules
_
2017 rules
11
Design storm (inches)
1995 rules
SL 2006-246
2008 rules
-
2017 rules
12
Breakdown of new BUA:
- Parkin (sq ft
-
- Sidewalk (sq ft)
-
- Roof s ftL_
- Roadwa s ft
- Future (sq ft
- Other, please specify in the comment box
below (sq ft
13
New Infiltrating permeable pavement on
subdivided lots (sq ft
-
14
New Infiltrating permeable pavement outside of
1 subdivided lots (so ft)
15 _
Exisltng BUA that will remain (not subject to
permittin (sq it
16
Existin BUA that is ahead ermined s ft
17
ExistingBUA that will be removed (sq ft)
18
Percent BUA
19
_
Design volume of SCM cu ft
20
Calculation method for design volume
ADDITIONAL
INFORMATION
21
Please use this space to provide any additional
information about the drainage area(s):

SAND FILTER
23
Volume that can be retained In the sediment chamber cubic feet)
1049 cf
24
Will there be a permanent pool In the sediment chamber?
:Yes
26
Bottom --of sedimen —chamber (fmsl)
1031.00. .
26
Area of the sediment chamber (square feet)
887 sf
27_
Physical depth of the sediment chamber (inches)
24.0 in
28
Pending depth in the sediment chamber, above any permanent pool
(Inches)
12.0 in
29
Elevation of top of weir between chambers (fmsl)
1033
Sand Chamber
30
Volume that can be retained in the sand chamber (cubic feet)
1061 bf
31
Bottom of the sand chamber (fmsl)
-1032. 00
32
Area of the sand chamber (square feet)
889 sf
33
Physical depth of the sand chamber (Inches)
12,0 in
34
Pending depth in the sand chamber, above any permanent pool
(inches)
12.0 in
36
Elevation of the bypass device (fmsl)
1033 ..
36
_
Type of bypass device
Weir
37
Mechanism for distributing flow over the sand surface
stone dam -
38
_
an specification for sand chamber
astm c33
39
Depth above underdrain pipe (inches)
18 in
40
Will the media be maintained to drain at least two Inches per hour at the
sand surface?
Yes
41
Is at least one clean -out pipe —provided at the low point of each
underdrain line?
-
Yes
q2
Will clean -out pipes be capped?
Yes
Sand Filter 4 8:44 AM 3/19/2020