HomeMy WebLinkAbout235.10standard type 2-60" diam.
CB concrete top slab
frame locking lid
(marked "DRAIN")
mounted over 24" diam.
++ — eccentric opening
36" CMP riser
6"
PLAN
NTS
standard locking maintain 1" gap between
bottom of slab & top of
III riser - provide pliable
gasket to exclude dirt
M-361'
compacted pipe bedding
riser, 36" diam. min.,
same material & gage as
_ tank welded or fused to tank
M.H. steps 12" O.C.
24"
max
weld or bolt
standard M.H. steps detention tank
SECTION
NTS
NOTES-
1. Use adjusting blocks as required to bring frame to guide.
2. All materials to be aluminum or galvanized and asphalt coated (Treatment 1 or better).
3. Must be located for access by maintenance vehicles.
4. May substitute WSDOT special Type IV manhole (RCP only).
Y � STD. PLAN - 235.10
Y + PUBLIC WORKS DETENTION TANK
�N 0$ DEPARTMENT ACCESS DETAIL MARCH 2008