SW5200601_2- Supplement-EZ_20200605

SUPPLEMENT-EZ COVER PAGE
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PROJECT INFORMATION
1 Project Name _ Charter Fumiture Parking and Building
2 Project Area ac 22.17
3 Coastal Wetland Area Jac)p
4 Surface Water Area ac 0
5 Is this project High or Low Density? Low
6 Does this project use an off -site SCM? No
COMPLIAMPE. WITH 02H.1003(4)
7
Width of vegetated setbacks provided feet 30+
8
Will the vegetated setback remain vegetated? Yes
9
Is BUA other that as listed in .1003(4)(_c-d) out of the setback? No
10
Is streambank stabilization proposed on this project? No
NUMBER AND TYPE OF 8CIIAa:
11
Infiltration System
0
p
0
12
Bioretention Cell
13
Wet Pond
14
Stormwater Wetland
p
15
Permeable Pavement
p
16
Sand Filter
0
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
1
23
StormFilter
p
24
Silva Cell
0
25
Bayfilter
0
26
Filterra
0
ress:
32 l Email;
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Mack SurnMg, PE
immey Engineering Associates, PLL
150 South Fayettevllle St.
Asheboro, NC 27203
336-328-0902
mack®summeyengineering.com
Cerlirnalign 51a lemenm
I certify, under penally of low that this Supplement-Fl 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 Imrmowledge and belled, true, accurate, and complete; and that
the engineering plans, specifications, operation and maintenance agreements and other supporting Information are consistent whh the
Information provided here.
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UKAINAUt: AKtAS
1 Is this a h h densi ro ect? _ _ No
2 If so, number of drainage areas/SCMs 1
Is all/part of this project subject to previous rule
3 versions? No
FORMS LOADED
iRAINAGE
AREA INFORMATION
Entire Site
_Drypond_
466268 sf
f
4
T peof SCM
Total BUA inprjoect (sgft)_ _
New BUA on subdivided lots (subject to permitting)
s
5
6
sf
96580 sf
7
New BUA outside of subdivided lots (subject to
ermitting) (so
8
Offsite - total area (sq ft
0.0 sf
9
Offsite BUA (sq ft)
0.0 sf
10
Breakdown of new BUA outside subdivided lots:
Parking (sq ft
96580 sf
Sidewalk (sq ft
sf
Roof (sq ft
sf
Roadway s ft
0.0 sf
_
Future (sq ft
0.0 sf
Other, please specify in the comment box
below (sq. ft
0.0 sf
11
New infiltrating permeable pavement on
subdivided lots s ..ft
0.0 sf
12
New infiltrating permeable pavement outside of
subdivided lots s
0.0 sf
13
Exisitng BUA that will remain (not subject to
permittin )_(sq ft
369688 sf
0.0 sf
0.0 sf
14
Existing BUA that is already permitted (sq ft
15
Existing BUA that will be removed (sg ft
16
Percent BUA
74%
17
Design storm inches
18
Desi n volume of SCM cu ft
19
Calculation method for design volume
kDDITIONAL
INFORMATION
20
Please use this space to provide any additional information about the
drains a area(s):
iRAINAGE AREA INFORMATION Entire Site
1
4
T e of SCM N/A
5
Total BUA from project (sq ft)
6
1995 rules
SL 2006-246
2008 rules
2017 rules
New BUA on subdivided lots (subject to
permitting) (sq ft)
1995 rules
SL 2006-246
7
2008 rules
2017 rules
8
New BUA outside of subdivided lots (subject to
permitting) (sf)
1995 rules
SL 2006-246
2008 rules
2017 rules
9
Offsite - total area (sq ft)
1995 rules
SL 2006-246
2008 rules
2017 rules
10
Offsite BUA (sq ft)
1995 rules

2017 rules
11
Design storm (Inches)
1995 rules
SL 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 s ft
15permitting)
Exisitng BUA that will remain (not subject to
s ft
1.6
Existing BUA that is already ermitted (sq ft
t7
Existing BUA that will be removed s
18
Percent BUA
19
Design volume of SCM cu ft
10
Calculation method for design volume
DDITICNAL
INFORMATION
21
Please use this space to provide any additional
Infa.rmatlon about the drainage area(s):

LOW DENSITY
DESIGN RE UIREIVIENTS FOR LOW DENSITY PROJECTS FROM 02H .1003
1
Is project below density thresholds set forth in the applicable stormwater rule?
Does project maximize dispersed flow and minimize channelization of flow?
Yes
2
Yes
3
Has the use of,p)ping been minimized .er.1003(2)(c)?
Yes
4
Side slopes of the vegetated conveyances (H:V)
3:1 Slope
5
Maximum velocity in the vegetated conveyances during the 10-year storm?
6
Are curb outlet swales proposed?
No
7
Maximum longitudinal slope of curb outlet swale(s) (%)
8
Bottom width of curb outlet swale(s) (feet)
9
Maximum side slope of curb outlet swale(s) (H:V)
10
Minimum length of curb outlet swale(s) (feet)
11
Are treatment swales used instead of curb outlet swales?
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:
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Flow depth Jft)