HomeMy WebLinkAboutWPO201900056 Plan - E&S 2022-04-251992 3.09
Height
The minimum allowable height measured from the upslope side of the dike is 18 inches (see
Plate 3.09-1).
\\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ } \ \ \ \ \ \x 32.0
\ \ \ \ \ D TC TYPE
1,5' DEEP V-DITCH
\LINED WITH CLASS
1 \RIPRAP, \ \\ \\ / — / / EXTEND OP TO
TOP OFSTREAM
BANK AND MATCH
\\ II II 1 \ \\ \I I II I I I I I 1 l 1 \ STREAM WIDTH
0.0
6"x6' PLUNGE POOL
1,0 DEEP WITH 211 \ \ \
/SIDES OR EQ. ENERGY \ \\ \ \ \\ \\ \\ \\\ \
DISSIPATING FEATURE,
Source: Va. DSWC Plate 3.09-1
Side Slopes
DITCH TYOE 1 \ ` \ \ `\ `\ \ \ \ \ \ I / / / / / / 1§:1 or flatter, along with a minimum base width of 4.5 feet (see Plate 3.09-1).
v1,0' DEEP V-DITCH v v `v vv vv v vv v vv A A \ / I / / /
CZ)\\ \ \ LINED WITH CLASS\ Grade
/ \ \ 1 RIPRAP
The channel behind the dike shall have a positive grade to a stabilized outlet. If the
channel slope is less than or equal to 2%, no stabilization is required. If the slope is greater
than 2%, the channel shall be stabilized in accordance with Std. & Spec. 3.17,
STORMWATER CONVEYANCE CHANNEL.
/ \ PS
Outlet
1. The diverted runoff, if free of sediment, must be released through a stabilized outlet
or channel.
-- V 1 I AV A \ v 'V `v vvv vvv v vvv vvv v vvv v VA VAA 1 A I I I I I I III-54
vv\
V A v v PERMANEN�\\\\
v /
\ \ DIVERSION `\\ \\ \\� \\ \ \ \ \ \\
\\ \\ \\ \\ DIKE
, — — — — _
EXTEND OP
STREAM TOP
PBOF
<//1,5DI'T DEEPV DITCH / ❑P/— `\ // // // I I I /�/--------------
\ LINED WITH CLASS _
1 RIPRAP
-----
6'x6' PLUNGE POOL — — —
// // 1,0' DEEP WITH 2:1
SIDES OR EQ. ENERGY_ — — _ \ \ \
I/—DISSIPATING
—
� 34.0 \ \ \\ PS \ \\ \\ \\ \\ \\ \ DISSIPATING FEATURE // / /// / \\ 11\ \\ \\ \ // // \\
DITCH TYPE\1
EEP V-DITCH \\ / —
LINEDWITH CLASS\ \\ / / / J/
1 RIPRAP / �/ v
PERMANENT II I `\ `\ \ PS / OUTLET PROTECTION DIVERSION) I \ \ \ // _ �� / 4.0' 6.0'
DIKE
Ir ��� \\ \ \\ \\\ \\V // /� // // A
A o n
OUTFALL
DITCH OUTLET TO
WELL-DEFINED DITCH TYPE 1 DITCH TYPE 2
CHANNEL CLASS 1 RIPRAP CLASS 1 RIPRAP
PLAN VIEW + WITH UNDERLYING WITH UNDERLYING
FILTER FABRIC
\a2_0 x _ — — > 1 / FILTER FABRIC
_ — — — d50 -
'-- — — — —- U� �N3R��� DITCH HUTEALL 07
SECTION A -A SCALE 1 "=40'
-- --' 80 0 40 80
FILTER CLOT L KEY IN 6'-9'j SCALE IN FEET
RECOMMENDED FOR
ENTIRE PERIMETER
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DATE:
03-28-2022
SCALE:
1 "=40'
JOB:
19.1164
FILE:
19.1164
SHEET:
C I
OF 01