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1 1/8"
10-3/4"
12"
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5 3/4"
1/2" DIA. GRADE 60
STEEL REINFORCEMENT.
1 1/4"
SECTION A —A
COPOLYMER POLYPROPYLENE PLASTIC
MANHOLE STEP FOR
PRECAST & CAST —IN —PLACE
MANHOLE
METROPOLITAN ST. LOUIS SEWER DISTRICT
Standard Details of Sewer Construction
Dr. D.A.B.
Ch. J.C.K.
2009
SHEET 58