CEMP-E
TI 810-32
10 January 2002
Table 3-1. Valve Manhole Clearances.
RECOMMENDED INTERNAL CLEARANCES
O.D. OF
MINIMUM
BOTTOM
END OF
PIPE
DISTANCE
ELEC. LADDER OF TRAP
VALVE
INSULATION
(INCHES)
STATION
EQUIP.
STEM OR
OR
FROM
OR DRAIN
BODY
CONDUIT
TO
WALL
18"
-
18"
18"
6"
FLOOR
36"
24"
12"
24"
12"
TOP OF
18"
12"
6"
6"
36"
MANHOLE
NOTES:
1. IN ADDITION TO THE CLEARANCES FOR THE LADDER
INDICATED PROVIDE 24" AROUND THE LADDER
FOR MAINTENANCE ACCESS.
2. PROVIDE 24" AROUND SIDES OF MANHOLE DRAIN TO
ALLOW FOR CLEANING OF DEBRIS.
VALVE MANHOLE CLEARANCES
3-37
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