HomeMy WebLinkAbout237.20Frame and round solid
cover marked "DRAIN" with
locking bolts.
0
6" min.
weir shape
as needed for
performance
NOTES:
0
We and
0
0
El
crown
outlet pipe
flow
SECTION B -B
NTS
ISOMETRIC
NTS
1' min. under
DESIGN W.S.
I.E. weir, inlet
We and
drain
=
crown
outlet pipe
flow
c
E
shear gate with
(V
control rod for
'iE
drain. See
A
Locate additional ladder
rungs (in sets) to allow /
access to tanks or vaults l
when sump is filled
with water
Outlet Capacity: 100 -year developed peak flow.
Metal Parts: corrosion resistant steel parts galvanized and asphalt coated.
Catch Basin: type 2 Min. 72" diameter to be constructed in accordance with
AASHTO M-199 unless otherwise specified.
Baffle Wall: to be designed with concrete reinforcing as required.
Spill Control Requirements
SECTION A -A
NTS
tbk� B
'"I B
PLAN VIEW
NTS
frame
elevation
per plans
outlet pipe
handholds,
steps or ladder (2 places)
A
shear gate
Locate horizontal for
clearance with ladder.
Attach rod to support
bracket on inside of
access opening
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+ Y � + PUBLIC WORKS FLOW RESTRICTOR STD. PLAN — 237.20
DEPARTMENT OIL POLLUTION CONTROL
WEIR MARCH 2008