HomeMy WebLinkAboutSW4080101_APPROVED PLANS_20080723STORMWATER DIVISION CODING SHEET
POST -CONSTRUCTION PERMITS
/�q I
PERMIT NO.
SW
DOC TYPE
❑CURRENT PERMIT
fi-APPROVED PLANS
❑ HISTORICAL FILE
DOC DATE
6n?i2 7A 3
YYYYMMDD
`i C1 ti� i Cl VILISI TE DRA WINGS
O
NORTH //�t�l
M� @ I FOR.•
g COL UMBIA D E VEz OPMEN T, L L C
DOLLAR GE-NE-RAL STORES
IVOUNTAIN VIEW ROAD
KING, N C 27021
PREPARED B K 0
D A RD EN ENGINEERING SER I/ICES
184 ROLLING HILLS RD.
MOORESVILLEIt NC 28117
PHONE.'
704� 66J— 77J8
704� 66J— 0219
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OWNER INFO
COLUMBIA DEVELOPMENT, LLC
P.O. BOX 10325
GREENSBORO, NC 29404
(336) 855-5555
CONTRACTOR
BRAWLEY CONSTRUCTION CO.
954 OAK RIDGE FARM HIGHWAY
MOORESVILIE, NC 28115
(704) 663-5270
SHEET
SHEET
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SHEET
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SHEET
SP-4
INDEX
Ls�r permit DocT
with these ducun„ _t,_ :.
,,Trod by ttie s€ormwciier permit. North Caro--'�l
require that the stormwater system
i�ct during oonstrucuon; certify conformity t[r- ko` ;
s .<nd specs; ai' d certify compliance m!r. tr;e
rlwat2r rums ( i 5A NCAC 2H .1... i -,Date'
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NC Division Ut
_Revision M? '7 L t
JUL 2 1 ZOOS
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W0. an k ( All
water Branch
DESCRIP TION
CO l/ER SHEET
GRADING PLAN
WET POND NOTES/DETAILS
WET POND NOTES/DETAILS
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100 YR S7nW - 478.2' OUTLET STRUCTURE
50 W STORM - 478,1' WITH TRASH RACK. IJ77MAL -WELF W/ WETLAND
25 YR SMRM - 477.9' PLANTINOS, 10' MIN. W 07H
fO YR STORM - 477.8' AT f' aY SYOE - 477.0'
2 M4 S70RM - 477.5' A Low 9D1E` - 476.0' 12 FREEBOARD
TEMPORARY POCX aEV - 477.2'
PE mummy POOL E4ry - 476.5' f0' MN. 70P �F DAM
f E4,-V - 48a 0'
EMEROENCY WEIR
. ...............:::. .. '......... ...: '. :::: ' .... ELEV - 4720'
...
6... . . 5 EMBANKMENT
�o ANTI -SEEP
BOTTOM OF POOL ELEV - 4685' _ COLLARS EXTEND 24'
MAIN POND N•
CMU 9AFFZ£
R7P Or BAFFLE - 477.5'
SEE DETAIL ANTI -FLOTATION PAD
20'INVERTED WATER QUA UTY ORIFICE INV IN. OUTLET PIPE
4745
LOCATED THIS SIDE (SEE DETAIL) llvv OUT 474E0'
55, Lavo
BACK OF OU7ZET SMU107VRE SLOPE: 09x
LOCATED A Tor or f0.1 SLOPE
POND PROFILE
NOT TO SCALE
WETPOND
AQUATIC SHELF AND BERM DETAIL
100 YR STORM - 478.2'
50 YR STORM - 476E1' OUTLET STRUCTURE WITH TRASH
25 M7 SrCRM - 4779' 12" FREE BOARD MIN.
10 YR S70RU - 4778' t' ABOVE INVERTED WATER LITTORAL SHE7.F W/ WETLAND
2 YR STORM - 477.5' PERMANENT QUALITY ORIFICE.
TEMPORARY POOP aEV. - 4772' FOREBAY LOCATED THIS SIDEPLANTING$ 10'MIN. 77
PER7MANENT POOL EZEK IN FORESAY - 477.0' POOL ELEV AT Low
SIDE - 4'
78.0
SEE DETAIL EZET� Ar LaW s7DE - 47'B.o'
: '.::, :.' ' . ......:.: ,
I I I- =-1 i 11I _ �- I .... S_....... r0:r ........... ......p 24" MIN.
?� ti MAIN POND _ t0'- 0' _ n
' RIP RAP BERM
AND WEIR
CLASS B RIP RAP
'N 15" MIN. DEPTH.
SEDIMENT FOREBAY BOTTW OF P001- EZEV - 466E5'-
BOTTOM OF FOREBAY ELEV. - 473.5'
At4U BAFFLE
NOTES W04rB SEE DETAIL
1. 4-6 INCH LAYER OF AMENDED SOIL IS REQUIRED IN ANY
AREA WHERE PLANTINGS ARE REQUIRED (SEE SOIL PARAMETERS).
SOIL PARAMETERS
80X SAND
2OR ORGANICS (CLAY CONTENT OR-8%)
INFft TRATIDN RATE 0.5 IN/HOUR (1.0 PREFERRED)
pH 5.5 - 7.0
P-INDEX 10 - 30
WETPOND PROFILE
TRASY RAOY(
30' ma
4' CAP
INV. 476.5'
_n�� 4' DIA. SLW. 40
PVC PIPE
INV
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• �w '4 y
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SYDE EZEVA27OIN 44' CONCRETE FILL FRONT EZEVAIION
FM ANTI-FLOATA-ON
WET POND
OUTLET STRUCTURE
AN7I-FL0ArA770N CALCULA77ON IV rs
Vt7LUME OF WYD: 2.7' X (PI X 2.542 / 4) - 1125 CU FT
NE 6HT OF WATER DISPLACED - 1.125 CU FT x 62.4 L99 / FT CU A 827 LBS
cavo E7j= NEEDED TO COUNTER REACT BOUANCY - 027 LBS x 1.2) /150 WS/FT CU - 5.62 FT CU
- 6.62FTCU/(P/x2.512'14)- 1.4'
1.1 - SAFETY FACTOR 6z4LB/F'T CU - WEIGHT ar WATER T50 LBS/Pr LYf - m7atr a- cavmETE
TYP. SAWED CONTRACTION JOINT
SCALE: 1" - 1'-0r
L- ANTI -FLOTATION PAD
BACK OF OUTLET STRUCTURE
LOCATED AT TOE Of 10:1 SLOPE
AVM C
NOTE
THE =NEnESS0
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Approved stormwater Permit Documents
Construction in accordance with these documents is
required by the stormwater permit. North Carolina
rules tequire that the stormwater system designer
Inspect during construction; certify conformity with the
plans and specs; and certify compliance with the
stormwater ruler,. ( t 5A NCAC 2H .10t78 (j ; }
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