SW8061222_COMPLIANCE_20061220

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

WET DETENTION POND ANALYSIS
FILE NAME S.IWQSISTORMWATERIEXCELSPREADSHEETSIPONDI61222 WK1
PROJECT # SW8 6,1 REVIEWER C Baker "1
PROJECT NAME Titlemarsh Landing „�EI�'�?'� , �� �t, ��,II DATE 20-Dec-06
Receiving Stream Jump ndf R n Creek Class SC,Sw
Drainage Basin CapeF F.,ear; 4� 1 i1 Index No �18; 887913-2�.
Site Area Ih;II, III 1i,16' 29;111 acres
Drainage Area '&,;!1,527,161"00 square feet Area in Acres 1210
IMPERVIOUS AREAS Rational C
Buildings
Parking
Future
Offsite
TOTAL
SURFACE AREA CALCULATION
`157500 '001
w 1 ,
4 j63120 00
25010' 04 `
I�'I�lil1llllf 4II�Irfll�lli31",��i�>; I��,�_�� �
223120 00
square feet
square feet
square feet
square feet
square feet
square feet
square feet
square feet Rational Cc= 012
% IMPERVIOUS
42 32%
SA/DA Ratio
2 64%
Des Depth,
" ;; 'rl 1,,,:5'5
Req SA
13914 sf
TSS, 85 or 90
1 ;o,hp, , i'90
Prov SA
14247,, sf
VOLUME CALCULATION * place a "1" in the box if Rational is used
Rational � *,
Des Storm
inches
Rv=
0 431
Bottom
l ��e ,,,l `,25
�,,F� i 1 11,1,,,,',
msl
Perm Pool
msl
Design Pool
31, 1
msl
Storage met @elev 30 80 msl
Req Volume
18931
cf
Vol Prov at DP
20125
cf
ORIFICE CALC
Avg Head =
Flow Q2, cfs
Flow Q5, cfs
No of Orifices
Diameter, inches
Drawdown =
026 ft
0 110 cfs
0 044 cfs
'Y A�` 11, 1,,2'00, weir H x W
41 days
C= 3 288787879
Perm Pool Volume= ';;1,11113983&1,T'I
Req Forebay Volume= 7966
Provided Volume= [,1'',84611T00','j
Percent= 1 21 2%
Elevation Area Inc Vol Acc Vol
26 00 y 0 3472 00 000
,x'27„�y'4420 00 I' 3946 00 394600
Q2 Area = 645
Q5 Area = 258
Orifice Area 314
Q= 0 053
In x
Surface Area @DP =
Falling Head Drawdown =
L= -0 052
COMMENTS
Surface Area , Volume and Orifice are within Design Guidelines
sq inches
sq inches
sq inches
cfs
„ in
8307 sq ft
1 9 days

CAPE FEAR RIVER BASIN
Name of Stream Subbasm Stream Index Number Map Number Class
Intracoastal Waterway
CPF24
18-87-(25 5)
K27NE5
SA,ORW
Intracoastal Waterway
CPF24
18-87-(30 5)
K27SW3
SA,HQW
Intracoastal Waterway
CPF17
18-88-9
L26NE4
SA,HQW
Intracoastal Waterway
CPF17
18-88-9-(3 5)
L26NE9
SC
Island Creek
CPF22
18-74-27
H27SW4
C,Sw
Island Creek
CPF23
18-74-50
J27SE5
C,SW
Jack Branch
CPF05
16-41-6-1-(1)
D23SW9
C,NSW
Jack Branch
CPF05
16-41-6-1-(2)
D23SW9
WS-IV,NSW
Jackeys Creek
CPF17
18-77-3
K26NE6
C,SW
Jacks Ford Branch
CPF15
18-31-24-5-2
G23SW1
C
James Creek
CPF14
18-23-13
G21NE5
WS-III
Jennie Creek
CPF15
18-31-2
G21NE7
C
Jenny Branch
CPF08
17-8-2
D19NEI
WS-IV
Jim Branch
CPF07
18-7-4
E23SW3
C
Joes Fork
CPF14
18-23-3-1
G21NW1
WS-III
John Creek
CPF24
18-87-30
K27SE1
SA,ORW
Johns Branch
CPF17
18-64-6
J25SE8
C,SW
Johns Swamp Branch
CPF20
18-68-17-6
I25SE1
C,SW
Johnson Branch
CPF04
16-31-1
D21SE4
C,NSW
Johnson Branch
CPF13
18-20-25-1
F23NW9
C
Johnson Creek
CPF12
17-43-6-1
D21SW5
WS-III
Johnson Mill Race
CPF19
18-68-1-17-13
H25SW2
C,SW
Jolly Branch
CPF06
16-41-1-15-1-2
D22NE5
C,NSW
Jones Branch
CPF05
16-41-4-1-1
D22SE5
WS-IV,NSW
Jones Branch
CPF21
18-74-8-2
G27NE4
C,SW
.zones Creek
CPF02
16-14-5-1
C21NW1
WS-II,HQW,NSW
Jones Creek
CPF06
16-41-1-15-1-1
D22NE1
C,NSW
Jones Creek
CPF13
18-20-12
F23SW1
C
Jones Creek (Lake Ann)
CPF20
18-68-16-1
I26SW4
C,SW
Jones Lake
CPF16
18-46-7-1
I24NE4
B
Jones Swamp
CPF18
18-68-12-4
G24SW3
C,SW
Jordan Creek
CPF02
16-14-6-(0 5)
C21NE1
WS-II,HQW,NSW
Jordan Creek
CPF02
16-14-6-(3)
C21NW6
WS-II,HQW,NSW,CA
Jordan Branch
CPF02
16-11-14-1-4
C20SW1
C,NSW
Jump and Run
CPF22
18-74-22 5
H27NE7
C,SW
'Jump =and,Runz�Creek
CPF17
G18=88=9=3-2
L26NE5
C::SC;Sw
Jump -and -Run Branch
CPF19
18-68-2-12-1
H25NE6
C,SW
Jumping Run
CPF18
18-68-12-2-4-1-1
G24NE2
C,SW
Jumping Run
CPF21
18-74-10
G27NE7
C Sw
Jumping Run
CPF23
18-74-38
I27SE5
C,Sw
Jumping Run Branch
CPF21
18-74-6
G27NW5
C,SW
Jumping Run Branch
CPF23
18-74-55-5
J26NE2
C,SW
Jumping Run Branch
CPF17
18-76-1-3
K27NW2
C,SW
Jumping Run Creek
CPF14
18-23-20
G22NW9
WS-III
Jumping Run Creek
CPF14
18-23-29
F22SE9
C
Jumping Run Creek
CPF18
18-68-12-15
I25NE1
C,SW
Juniper Branch
CPF13
18-20-24
F23SW3
C
Juniper Branch
CPF14
18-23-3-2
G21NW2
WS-III
Juniper Branch
CPF19
18-68-5
I25NE3
C,SW
Juniper Branch
CPF21
18-74-6-1
G27NW5
C,SW
Juniper Branch
CPF21
18-74-13-2
027SE3
C,SW
Juniper Branch
CPF23
18-74-55-10
J26NE9
C,SW
Juniper Creek
CPF13
18-20-6-(5)
F22NW9
B
Juniper Creek
CPF07
18-21
F24NWB
C
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