20070301 Ver 1_Site Plan_20070221

PEAK WATER
STORM EVENT SURFACE FREEBOARD PEAK OUTFLOW • EL~I/ATION
„ , VENT 4 REBAR 12 . 2-YEAR 248.17 1.83 FT. 9.43 CFS
CH WAY SCREEN ACCESSIBLE O.C. EA NT . 1 2 PREFORMED JOI 10-YEAR 249.05 0.95 FT. 18.85 CFS
THROUGH DOOR " FILLER, 12 WIDE i
. 100-YEAR 249.39 0.67 F?. 36.24 CFS

'
RISER
100YR WSEL TOP OF DAM 250.00' T WATER LEVEL DURING STORM 24~~~ \ ~ \ 10QYR WSEL TOP OF DAM 250.00
r OUTLET END: 249.27'
FLOAT CONNECTION r~~~~~~ RISER ~ ~ ~~i ~i ~ , r !iii ~ ~~y
TO RISER PEAK FLOW ATTENUATION POOL f~ i PEAK FLOW MINIMUM SLOPE 3:1
~"~-r / ~ MINIMUM SLOPE 3:1 ATTENUATION ~
. 8 BARREL. PIPE LONGER THAN ~ry~/\ / 'Ti~~i~ POOL
NOT INCLUDED WITH SHOWN
CTIaN E VATIO SKIMMER SUPPLIED. BY USER , EARTH DAM iii l
IN. 2000 PSF M EARTH DAM
FLEXIBLE JOINT SEE BMP SECTION FOR SLING DATA BEARING CAPACITY
LAR BENEATH COL ATTACH SKIMMER TO ORIFICE UNTIL SI~'E ~~~~j~~~~~,
NOTE: . " TRATION USE 2,0 SKIMMER. SKIMMER MAY VARY SLIGHTLY FROM ILLUS , IS STABILIZED SO POND FUNCTIONS f~S A SEDIMENT FILTER BASIN LEVEL
SPREADER
ANTI-FLOTATION DEVICE ~ 'r
NT ~ . S N'fS . ANTI-SEEP COLLAR 24" OUTLET PIPE /Y~ i
15" OUTLET -PIPE BY-PASS OUTLET CROSS SECTION LOW FLOW OUTLET CROSS SE T PIPE
SS SECTION
NTS NTS
i ~ ~ ~ s ; t y I III ` ' ~ ~ / / i ~ , , I 11 ,I 11 ~ 1 I ,1 y~ , ,r/' , , , ~ , , , I 1 1. I l
r r ~ l 1
1 ~--TRASH RACK (SEE DETAIL)
I ~ ~ ~ ~ I . ~ , ~ ~ ~ I ~ . , / / , } 1. ~ y y ~
i / I i f S ~ , y ~ t , 1 ~ I. WEIR ELEVATION: 248J5~ f
i l''! it ' f r ! I I I y 1 ti j ~ 1 ~ ~ / ~ I I ~ I ~ ~ ~ J / r'/ / ~ 5 ~ 4, ~ ,i
it j l ~ ~ ` I y ` ~ ~ Iy~ ~ . W. i ~ } ~ I ~ ~ ~ ~ if ~ >r ~ i . , ~`l I I 1 I I , / ~ . ~ 1/4"x 2° STEEL STRAP. W/ 2 - 3/4" ANCHOR BOLTS 2
~ .i r ~ , ~ ~ II, ,1 STEEL
'0-RING' JOINT `STRAPS REQ'D ANTI--VORTEX
I f / / r V ~ 1 , .I ~ ~ I Ir , / f, '1 ~ r I i Ct, 1 t I I ~ i r r ,r ti l ~ •a PRECAST. REINFORCED MANHOLE BAFFLE, MINIMUM
I ! i ~ ~ i C? ; I I i I \ it j i t r- ~ ~ / ' , ~ ~ ~ 6" THICK SIDEWALL - 50 A A THICKNESS
II ~ i / ~ r ~`i 1 i ' ` ~ , I J ~ I I I ' ~ i r r I ~ ~ J ``ti 12 GAGE
I r I ~ I ~ I ~ ~ l \ , k , ~ GROUT EACH SIDE
I ~ I I i I 1 I l I , I ~ I ~ ~ ~
I I l ~ t I / ~ ~ti„ I ~ ~ r ~ 1 I! ~ I I I 1 ` 15" RAP L.OW FLOW ORII"ICE
~ ! i ~ 1 I I ~ ' d~ I r 1 ~ I I r ~ ~ ~ 24° 'O-RING' GASKEtED
i t , til I ? I, I f I FUTURE STORM DRAIN PIPE TEMPORARY. CLASS ili RCP
r t i SIZE AND EXACT LOCATION \ ~ ti ~ I I I I - t I ~ ~ SKIMMER ATTACHMENT
` , ~ I ~ , i ~ , ~ ` i i TO BE DETERMINED ~ ~ \ ~ ~ t ~1 ~ t 1 ~ r9~q
POND BOTTOM 245.0 ~ 15" PIPE TO 00 ro
~ ,I I y, ENW Y . ~ ti w/
I ~ ~,i ~ , ~ I ~ Ep,SEME , T ~ ~ I 1 f I IIp ~ 1 1 ~ 1 ~
I I ~ ti , ~ LEVEL SPREADER ~ - GROUT
1I I I ~ ~ SPACING AT EXTREMITY OF
r 1 ~ , I , ~ ~ ~ , o a' y4 ' a-, ~ CONCRERTE ANTI-FLOTATION ROD
I~ I I ~ \ \ ~ ~ ` \ if! ~ I ~ I \ ~ ~ ~ t ~ ~ \ tl• - BASE> B'x6'x2' PLAN
i ~ ~ ~ ~ \ \ I I . ~ ~ 1 i I ~ N ^ ~Q ~ d•
, I ~ \ I ~1 ~ I „ ~ y , ti ~ I 1, ~ ti l ~ \ ~
I 2~, IOUTLEf B RR L \ I ~ ~ ( , . I ~ , NOTE: CONTRACTOR TO SUBMIT SHOP DRAWING TO ENGINEER FOR APPROVAL
~ \
t II I ~ RIP-RAP ~ ~ r' RISER DETAIL 6'-s°
, ~1, I I DI SIPAT R ~ , 1 ~ ~ \ I I s ~ NTS
, I+I ~ II \ \ I i ~ ~ I , \ , , \ ~ ~ j Il \
~ , l ~ \ ~ \ ~ ~ ' ~ I \ \ \ , 1 ~ J ` ---I I~'- 4~~ 2' 1-1 2' 1-1/8"'
ti 4 I ~ ~ \ ,I I i J ti \ ~ ~ ~ ~
1 ! ~ ~ ~ l ~ ~ ~ t >u I ~ ~ \ 0
Eft \ I A TI SE ~ \ i 1 ~ \ 0.00% SLOPE ON TOP OF ~
ti 11 ~ I ~ ~ t l \ \ ~ \ I COL R ~ ~ ~ ~ } I.A GUTTER (FLAT SLOPE)
II ~ ~ ~ I I \ \ 15 ~ OUTL'ET B RRE \ \ \ . 4 ~ \ ~ ~ \ I , I ~ ~ \ ~ SEE PLAN FOR LEVEL 00
J / ~J ti ~ TO LEV,FL DREAD R ~ / \ ti ~ \ SPREADER LENGTH
tl ~ 11 ~ ~ \ ~ , 10' LEVEL SPREADER LIP ELEVATION= N
4"-6" HIGHER EXISTING SLOPE ON
DER . ` ~ ~ a LEV L ~ ~ ~ ~ - \ ~ ~ \ SAY ~ ~ DOVWNSTREAM SIDE
I 1 ~ ti ~ ~ ~ \ PIA c / / \ E FROM BYP 'AM BYPASS STRUCTURE 6' MIN 24A ~~PSI MIN COMPRESSIVE DIFFUSED FLOW ~
' ~ STRENGTH) THROUGH BUFFER w 1 ~ 6'-0°
I / ll ,a
1 ~ t ~ ti ~ \ ti. \ \ ~ ~ ~ ~ ~ ~ e 4
l 1 1 ~ ~ i r t~ 1 1 0 3'-p" C.
/ ~ , - ~ LEVEL SPREADER 5.5 . L.F. ~ ~ - ~ 1 , i
ti n ~ . ~ ~ INSTALL CLAS ALL CLASS B RIP RAP M #57 WASHED STONE - ECTION A-A
I 1 r z \ ~ ~ ~ r r ~ i o ~ ~ ~ / / , ! , FROM oUTLEI )M OUTLET TO BOTTOM VEGETATED COMPACTED 4" THICK (MIN) ~
LK ~ ~ ~ , ~ / / Sr S M ~ / ~ o, r ~ - of FoR~ OF FOREBAY 18" MIN FOREBAY SUBGRADE pERMAMENT GEOTEXTILE
, r , ~ ~ - r ~ , r , DEPTH, DEPTH,. 3' WIDE WITH , UNDERLINER
~ \ t ~ ~ . / / / ,f r r GEOT ~EOT~xr"-E `-i"'ER TYPICAL FOREBAI(/LEVEL SPREADER DETAIL 'mss" R"~" "ors:
~ \ i
~ / ~ i ~ ~ 'j ~ ~ ~ ~ r f NTS 1. ALL STEEL-ARE 3/4" DIAMATER GALVANIZED STEEL..
~ , 2. ALL RADII ARE 1" UNLESS OTHERWISE NOTED. 3. CONTRACTOR TO SUBMIT MANUFACTURER'S SHOP DRAWING PRIOR 4. STEEL BARS SHALL BE WELDED SO THAT THE TRASH RACK CAN B 5. TRASH RACK SHALL BE FASTENED TO THE RISER IN 4 EQUALLY.S EX, GRADE THESE PLANS HAVE BEEN APPROVED FOR G PRIOR TO FABRICATION.
I ~ ~ CK CAN BE REMOVED IN ONE PIECE.
~ C .QUALLY SPACED. LOCATIONS.
~ / N ~
. Ci ~ ~ ~ 3~-0° CONSTRUCTION BY THE TOWN OF WAKE FOREST
/"t r'~1 D 1~ TRASH RACK DETAIL ML
'~/i~~/ 3 s- NTS
v CITYOF RALEIGKPUBLIC UTILTTIESDfiPT. DATE - ,;,,,,,,,,,,,1 J ~
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rn j \1 , ~ EROSION CONTROL _ DATE ~ -,n ~ oar°~ 000
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a f AND FILTER 1=ABRIC SECTION ~ ~ ~ o a 4 0 °O
GRAPHIC SCALD ~ ~ ~o o ~0 2a ao. FIRE PREVENTION DATE a t ~ ~ a y e a 028942 b
°a ca of *0 o0 0000000 06 Qoo ,
N G 4TA I L DITCH DETAIL S~D/~SlONAD~IS~~R DATA y d ~°e°G" aaaa~`~ a C ~ oo ~~C.4aa
0 . » , 7 inch ~ 20 ft, n 1 -20 rays oa

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