HomeMy Public PortalAboutTypicalPrecastMHTeeforReinforcedConcretePipeSewers48RAISE TO GRADE WITH 3/4" MORTAR
BED AND BRICK FOR STORM MANHOLES
OR PRECAST CONCRETE UNIT.
CIRCULAR REINFORCING .12 IN?/FT.
CLASS "A" CONCRETE SEE
ASTM C-478 FOR MINIMUM
REQUIREMENTS.
REINFORCED CONCRETE PIPE
PER ASTM C-76.
MODIFIED CLASS "C"
BEDDING FOR R.C.P.
NOTES:
6" MIN.
K
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PAYLINE WIDTH OF TRENCH
PRECAST MANHOLE RISER
SECTION PER ASTM C-478.
6" MAX.
42" OR 48" DIA.
PLANE OF SPRINGLINE
4" MIN. PIPE 48"-54" DIA.
6" MIN. PIPE 60" DIA. AND
LARGER.
8"
42" OR 48" DIA.
8"
3" MIN.
>74
WATERTIGHT JOINT COMPATIBLE
TO SPIGOT END OF MH. RISER.
58" OR 64" DIA.
PRECAST CONCRETE ADAPTER RING
FOR USE ON PRECAST MANHOLE TEE
WATERTIGHT
JOINT
SHAFT STEPS
24" MAX.
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K
1) TO BE USED WHERE NO CHANGE IN LINE OR GRADE IS REQUIRED AT MANHOLE.
2) THE MINIMUM INSIDE DIAMETER FOR RISER SECTIONS SHALL BE 42 INCHES FOR ALL STORM SEWERS.
THE MINIMUM INSIDE DIAMETER FOR SANITARY SEWERS IS 48 INCHES.
6" MIN.
TYPICAL PRECAST MANHOLE TEE
FOR REINFORCED CONCRETE
PIPE SEWERS 48 INCH AND
LARGER IN DIAMETER
F____
METROPOLITAN ST. LOUIS SEWER DISTRICT
Standard Details of Sewer Construction
Dr. WSH/SAM
Ch. J.C.K.
2009
SHEET 24