SW8050604_COMPLIANCE_20050922

STORMWATER DIVISION CODING SHEET
POST -CONSTRUCTION PERMITS
PERMIT NO.
SW a;2�4
DOC TYPE
❑ CURRENT PERMIT
❑ APPROVED PLANS
❑ HISTORICAL FILE
COMPLIANCE EVALUATION INSPECTION
DOC DATE
YYYYMMDD

DETENTION POND ANALYSIS FILE NAME- G-\DATA\WPDATA\WQS\POND1050604.WK1
PROJECT#: SW8 050604
PROJECT NAME: Storage Place
REVIEWER: R. Hall
DATE:
06-Sep-05
Receiving Stream:
Poplar Creek
Class:
C; NSW
Drainage Basin:
White Oak
Index No.
19-16-2-3
Site Area
5.40 acres
Drainage Area
square feet
Area =
5.40 acres
IMPERVIOUS AREAS
Rational C
Building 123408.00 square feet
Future 88299.00 square feet
square feet
square feet
square feet
square feet
TOTAL .2
"
41 7QT'QQ:'j square feet
SURFACE AREA CALCULATION
% IMPERVIOUS 90.00%
Des. Depth 7
TSS: 90
Rational Cc= 0.02
SA/DA Ratio 3.90%
Req. SA 9174 sf
Prov. SA .sf
................
VOLUME CALCULATION * place a "ll" in the box if Rational is used
Rational ?*
Des, Storm
()G inches
'
Rv=
0.86
Bottom
11.2 msI
Perm. Pool
msl
Design Pool
19.9 rnsl
Design SA
12444 sf
Req. Volume
cf
Prov. Volume
cf
ORIFICE CALCULATION
FOREBAY
Perm. Pool Volume=
Req. Forebay Volume=
Provided Volume=
Percent=
SA @
Elevation=
28703
5740.6
6350.00
Avg. Head =
0.82
ft
Q2 Area =
3.22
sq. in.
Flow Q2, cfs
0.098
cfs
Q5 Area =
1.29
sq. in.
Flow Q5, cfs
0.039
cfs
Orifice Area
1.77
sq. in.
No. of Orifices
Q=
0.053
cfs
Diameter, inches
weir H x W
in
x
..... ..... .. .. .. .. .. in
Drawdown days
COMMENTS
Surface Area , Volume and Orifice are within Design GuidelineE

STORMWATER NARRATIVE
Storage Place
Onslow County
Storage Place is a proposed commercial mini -storage development, located on
Piney Green Road in Jacksonville, North Carolina. Project development will consist of
gravel drives, storm drainage, and mini -storage structures.
Stormwater from the proposed development will flow to a wet detention basin
that has been sized for the current development and for future development on this site.
The future development is not known at this time, but outlined on the attached
stormwater delineation plan is the area in question.
The current phase consist of 123,408 s.f. of impervious surface area. The future
section is shown as having 88,299 s.f. of impervious surface area. The wet detention
pond has been sized to handle the finished total impervious surface area of 211,707 s.f.
For additional information please refer to the stormwater management permit
application form, the wet detention been supplement and stormwater delineation plan.
c2:Specs: Storage Place. SN.5.13.05

WHITE OAK RIVER BASIN
Name of Stream
Subbasin
Stream Index Number
Map Number
Class
Mill Creek
WOK01
20-29-1-1
I30NE2
SA;HQW
Mill Creek
WOK03
21-19
H31SE9
SA;HQW
Mill Run
WOK02
19-17-7
I29NW5
SC;NSW
Mill Swamp
WOK02
19-3-1
H28NE5
C;NSW
Milldam Branch
WOK03
21-3-6
H31SWB
C
Millis Swamp
WOK03
21-3-2
H31SW7
C
Millstone Creek
WOK02
19-30-3-1
I29SW1
SA;HQW
Mingo Creek
WOK04
21-35-7-10-3
H33NW9
SC
Mirey Branch
WOK02
19-41-5-3
I29SE3
SA;HQW
Mirey Branch
WOK01
20-7
H30NW7
C
Money Island Bay
WOK03
20-36-13
I32NW4
SA;HQW
Money Island Slough
WOK03
20-36-13-1
132NW4
SA;HQW
Money Island Swamp
WOK03
21-16-2
H31SE5
C
Morgan Bay
WOK02
19-18
129NW6
SC;NSW
Mott Creek
WOK02
19-16-3
I29NE1
C;NSW
Muddy Creek
WOK02
19-30-2
I29NW8
SA;HQW
Mulberry Creek
WOK01
20-13
H30SW4
C
Mullet Cove
WOK05
21-35-7-31
I33NW4
SA;ORW
Mullet Gut
WOKO1
20-29-2-1
I30NE1
SA;HQW
Mundine Branch
NEU11
20-6
H29NE6
C
Mundine Branch
WOK01
20-6
H29NE6
C
NEW RIVER
WOK02
19-(1)
H28NW3
C;NSW
NEW RIVER
WOK02
19-(7)
H29SW8
SB;NSW
NEW RIVER
WOK02
-19-(10.5)
H29SW8
SB;HQW,NSW
NEW RIVER
WOK02
19-(11)
I29NW2
SC;HQW,NSW
NEW RIVER
WOK02
19-(15.5)
I29NW2
SC;NSW
NEW RIVER
WOK02
19-(27)
I29NE7
SA;HQW
NEWPORT RIVER
WOK03
21-(1)
H31SW9
C
NEWPORT RIVER
WOK03
21-(17)
H31SE9
SA;HQW
Negro Creek
WOK05
21-35-7-4
H33SE2
SA;HQW
Nelson Bay
WOK04
21-35-7-10-(1)
H33NW9
SC
Nelson Bay
WOK04
21-35-7-10-(5)
H33NW9
SA;HQW
New River Restricted Area # 1
WOK02
19-31
I29SW2
SC
New River Restricted Area # 2
WOK02
19-37
I29SE4
SC
Newby Creek
WOK04
21-35-1-8
I32NW3
SA;HQW
Newport River Restricted Area (Morehead City
WOK03
21-31
I32NW2
SC
Harbor)
North Fork White Oak River
WOK01
20-2
H29NW6
C
North Leopard Creek
WOK04
21-35-1-7-2
H32SEB
SA;HQW
North River
WOK04
21-35-1
H32SW6
SA;HQW
Northeast Creek
WOK02
19-16-(0.5)
H29SE4
SC;NSW
Northeast Creek
WOK02
19-16-(3.5)
I29NE1
SC;HQW,NSW
Northeast Creek
WOK02
19-16-(4,5)
I29NW3
SC;NSW
Northwest Prong Newport River
WOK03
21-2
H31SW5
C
Old Channel
WOK05
21-35-7-8-1
H33SE4
SA;ORW
Oyster Creek
WOK03
21-23
H32SW8
SA;HQW
Oyster Creek
WOK04
21-35-7-18
H33SW4
SA;ORW
Parrot Swamp
WOK01
19-41-16-4
130NW5
SA;HQW
Pasture Branch
WOK01
19-41-16-2
I30NNI
SA;HQW
Pasture Creek
WOK04
21-35-7-10-7
H33SW3
SA;HQW
Peak Swamp
WOK03
21-3-4'
H31SWB
C
Peltier Creek
WOK03
20-36-11
I31NE3
SB:#
Pettiford Creek
WOK01
20-29-1
I30NE3
SA;HQW
Pettiford Creek Bay
WOK01
20-29
I30NE1
SA;HQW
Pitts Creek (Hargetts Creek)
WOK01
20-21
H30SW9
SA;HQW
Point of Grass Creek
WOK05
21-35-7-1
H33NEB
SA;ORW
Poplar Creek
WOK02
19-16-2-3
H29SE7
C;NSW
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