SW3200201_Supplement-EZ Form_20200212

SUPPLEMENT-EZ COVER PAGE
FORMS LOADED
PROJECT INFORMATION
roject Name
R4Surface
roject Area acoastal
Wetland Area
Water Area (a
Dollar General - Newton (Store #21479)
2.11
5 1 Is this project High or Low Density? High
6 1 Does this protect use an off -site SCM? No
COMPLIANCE WITH 02H .1003(4)
7
Width of ve etated setbacks provided feet
N/A
8
Will the vegetated setback remain vegetated?
Yes
9
Is BUA other that as listed in .1003 4 c-d out of the setback?
Yes
10
lis 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
Treatment Swale
0
22
Dry Pond
0
23
StormFilter
0
24
Silva Cell
0
25
Ba filter
0
26
Filterra
0
FORMS LOADED
DESIGNER CERTIFICATION
27
Name and Title:
Justin Church, PE / Principal Engineer
28
Organization:
BREC, P.A.
29
Street address:
1520 Meadowview Drive
30
City, State, Zip:
Wilkesboro, NC 28697
31
1 Phone numbers :
336.844.4088
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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of Designer
02/04/2020
Date

1995 rules
S L 2006-246
2008 rules
2017 rules
12
Breakdown of new BUA:
Parking (sq ft
Sidewalk (sq ft
Roof (sq ft
Roadway 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
subdivided lots (sq ft
15
Exisitng BUA that will remain (not subject to
permitting) (sq ft)
16
1 Existing BUA that is already permitted (sq ft)
17
Existing BUA 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
JPlease 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
25
Bottom of the sediment 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
Ponding depth in the sediment chamber, above any permanent pool
(inches)
12.0 in
1033
29
jElevation of top of weir between chambers (fmsl)
Chamber
Volume that can be retained ii
Bottom of the sand chamber
33
rnysicai aeptn or the sans cnamaer kincnes)
i z.0 in
34
Ponding depth in the sand chamber, above any permanent pool
(inches)
12.0 in
35
Elevation of the bypass device (fmsl)
1033
36
Type of bypass device
orifice
37
Mechanism for distributing flow over the sand surface
stone dam
38
Sand specification for sand chamber
astm c33
39
Depth above underdrain pipe (inches)
12 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
use this space to provide any
43 ISand
Sand Filter 1 4:05 PM 2/4/2020