HomeMy WebLinkAboutWPO201400091 Plan - E&S Erosion Control Plan 2014-10-315/
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LIMITS \ -QF AM-E- NDMENT FOUR -�Dk -ON�At - - - - --
\`\ -CLEARING -AND GRADING -_ -
\ ,, ASSOCIATED WITH
C U L-VE R-T, R E P LA`C Ell E N T. - -
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-OPE OF WORD\ INCLUDES� -EARTN 0E-TREES; -
INSTACLA. ION OF � DIMENT TRAPS DIVER nKLS
ORIGINAL 1 Z
GROUND
ELEV
EL =A Area 2 1 0'
DRY STORAGE D2 H
67 CU YD /ACRE N
EL =B Area 1
WET STORAGE
67 CU YD /ACRE
D1
(EXCAVATED) FILTER CLOTH ORIGINAL
GROUND
EL =C ELEV.
**
*SEE PLATE 313 -1 COARSE AGGREGATE CLASS I RIPRAP
CROSS SECTION OF OUTLET
CLASS I RIPRAP
LENGTH (IN FEET) = 2'
(INXAC DRAINAGE AREA
DIVERSION
DIKE
/X
/ COARSE AGGREGATE
EXCAVATED / FILTER CLOTH
AREA /
* *COARSE AGGREGATE SHALL BE VDOT #3, #357 OR #5
OUTLET (PERSPECTIVE VIEW)
Sediment Trap Design Data
No.
A
B
TCH
Left Side
Z (ft.)
Weir
Len
DA
Wet Vol.
D1
Wet Vol
Dry Vol
D2
Dry Vol
Velocity
Depth
SCC Al
EC -2 Matting
.)
18'
)h
(Acs)
(Req.)
(ft.)
Cy (Prov.)
(Req)
(ft )
Cy (Prov.)
1
321
320
317
2
2.0
4
0.29
19.4
3
20
19.4
1
25
2
320
318
315
3
20
5
0.77
51.6
3
54
51.6
2
65
TEMPORARY SEDIMENT TRAP (Sl-
C1 jNot To Scale
------ - -AN,D PERMANENT CONVFY-AN- C- E-CTTANNELS; AND ,
CULVERT REPAR AND EXTENSION, AS APPRQV-E -D,
BY VDOT. 330 —
-- ,_REFER TO APPR)WED MASS GRAD[NG- -PLAN SET
/
FOR -SITE LEGEND , \'N-A_MTI�tE; DETAILS, AND,---
\� NOTES.
�\
PIPE OUTLET CONDITIONS '
A
r /
/
3dad W
/ V
o PIPE OUTLET TO FLAT
AREA WITH NO DEFINED / r X
PLAN VIEW CHANNEL % ''(G '
L
0 7
SECTION A —A FILTER CLOTH
KEY IN 6 " -9 ", RECOMMENDED FOR ENTIRE PERIMETER
NOTES 1 APRON LINING MAY BE RIPRAP, GROUTED RIPRAP, GABION
BASKET, OR CONCRETE
2 La IS THE LENGTH OF THE RIPRAP APRON AS CALCULATED
USING PLATES 3 18 -3 AND 3 18 -4
3 d = 1 5 TIMES THE MAXIMUM STONE DIAMETER, BUT NOT
LESS THAN 6 INCHES
Z r)9 \�
vvIL-L-1 i 1wiwiivl11 vL-iniL.
Ditch Sections
Section
Lining
Channel
Channel
Left Side
Right
10 —Yr
10 —Yr
Depth
Width
Slope
Slope Slo
Velocity
Depth
SCC Al
EC -2 Matting
2 0'
18'
3.1
6.1
3.24
0.70
1— Width
TYPICAL DITCH SECTION DETAIL
Not To Scale
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J�BTIN M. SHIMP
Lic. o. 5183
1 �(-,u 1 LP
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��'`5'SIDNAL l�
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by the Albemarle County
Community Development Depafte
[date ! o •- 11 - z o I Iq
File I I) o ,—v I a n o r) 91
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10/24/14
N/A
Sheet No.
1 OF 1
File No.
12.009