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VERTICAL SCALE: 1 "==-10'
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N. IT, S,
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TRASH RACK_TRASH RACK -\TOP OF' DAM =591
f----\T'OP OF DAM --593 590590
STORAGE ELEVATION 590.0 -GRACE ELEVATION = 586.0
S1 L
590 1 L\ -590 3 3
VOLUME PROVIDED =4329 C.F. -I' E PROVIDED== 9298 C�F, 6,0'-36" RISER
RISER—__v_' VOLUME
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SEE RISER DETAIL
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EXISTING GRADE
INV. -a3.0 . 0 p� EXISTING GRADE IN V-=580.0 54
580 LOW PIPE @ 2.90% INV=581.97 580 LOW PIPE @ 3, 7 0,,,� I N V= 5 7.8.
STONE WEIR ES -2 STONCE WEIR E C -
EC -11 ES -2
(SEE DETAIL) (SEE DETAIL)
570 -4- 4- 570
TRASH AND DEBRIS RA('K CONFIGURATIONS
FOR EXTENDED -DETENTION CONTROL STUCTURES - BASIN I
CONCRETE HOOD
ANTI -VORTEX PLATE
EMBANKMENT AND TRASH RACK EL,=590.0
--..--STONE CHECK
7_ DAM BERM
F—
SIFEEL OR CONCRETE
CORNER POSTS CENTERLINE EMBANKMENT
PLAN VIE
N. T. S.
CIRCULAR MULTI -STAGE RISER
'EXTENDED DETENTION W.S.E.
T 24" R.C,P:
SCREW CAPi
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INV. ELEV. 00
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OUTLET ==586.0 OR 00 oa:(,�_(
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0
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0
90' ELBOW (DO Et -585.27
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00 000'
4
4
STONE CHECK DAM BERM
RIP -RAP I" TO 3" STONE OVER
FOOTING RIP -RAP
-OR BASE
RISER SECTION ITIEW
FOOTING N. T. S.
TRASH AND DEBRIS RACK CONFIGURATIONS
FOR EXTENDED -DETENTION CONTROL STUCTURES -- BASIN 11
CONCRETE HOOD
EMBANKMENT ANTI -VORTEX PLATE EL -,---586,0
AND TRASH RACK
7 _.STONE_ CHECK
DAM BERM
STE=EL OR CONCRETE
CORNER POSTS CENTERLINE EMBANKMENT
PLAN VIEW
N, T. S.
1-5 CIRCULAR MULTI -STAGE RISER EXTENDED DETENTION W,S.E.
36" R�C.P.
SCREW CAP i
WITH 6" 1
ORIFICE. CAP
INV, V, CE LEV. 00
24" R.C.P. 0
OUTLET t
80,0 OR 00BARREL SGHTLY 0___.PERF. PIPE
BELOW 00 0
00
__..X._, XX
90' ELBOW
10 0 0 0 0 01,e�
A 4
STONE CHECK DAM BERM
''.. 4 RIP -RAP 1" TO 3" STONE~ OVER
FOOTING RIP -RAP
INSTALI OR BASE
13" ORIFICE SECTION VIEW
IN OUTLET RISER
END OF PIPE FOOTINIG N.T.S.
DATE
JUNE 7, 2002
APPROVED
Albemarle County Engineering & Public Works
te:
KURT M. GLOECKNER
54-17-30)1064
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