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HomeMy Public PortalAboutTerminal ManholeNOTES: C.I. FRAME & COVER 1) INSIDE OF BRICK MANHOLE TO BE PLASTERED WITH 1/2" MIN. 1 TO 3 CEMENT TO SAND MORTAR MIX TO TOP OF HIGHEST PIPE. 2) MANHOLE STEPS UNIFORMLY SPACED AT MAX. 16" C—C. 3) INVERT CHANNEL AND INVERT SHELF ARE REQUIRED WHEN HOUSE LATERALS ARE CONNECTED TO TERMINAL MANHOLES. (3 MAX.) 4) THE MINIMUM INSIDE DIAMETER FOR THE BASE AND RISER SECTIONS SHALL BE 42 INCHES FOR 8 INCH DIAMETER SANITARY SEWERS AND ALL STORM SEWERS. THE MINIMUM INSIDE DIAMETER FOR SANITARY SEWERS LARGER THAN 8 INCH DIAMETER IS 48 INCHES. A 1/2" MIN. 1 TO 3 CEMENT TO SAND MORTAR MIX. (ALL BRICK STRUCTURES) CLASS "A" CONCRETE APPROVED PATENTED WATER STOP REQUIRED FOR PLASTIC PIPE. DIA 26 1/2" MIN. 24" MAX. 5 1/2" 16" 42' or 48" 4" ROWLOCK ARCH O. o D p D • O. .Q . O.Q 16" 16" 24" MAX. 3" 3/4" MORTAR L, 7" BED f .o 4' o o .D • A O .o Q D 'o . D ELEVATION SECTION A —A D TOP TRANSITION 36" MIN FOR BRICK. 24" MIN FOR CONC. 8" A Z 0 H U w 0 H H 0 KEYWAY 1/2" MIN. 1 TO 3 CEMENT TO SAND MORTAR MIX. (ALL BRICK STRUCTURES) SANITARY HOUSE LATERAL TERMINAL MANHOLE METROPOLITAN ST. LOUIS SEWER DISTRICT Standard Details of Sewer Construction Dr. WSH/SAM Ch. J.C.K. 2009 SHEET 20 (REV)