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HomeMy Public PortalAbout382448STEPS 16" C.C. CONC. BLOCK SUPPORTS. EXISTING PIPE SET LEVEL & PLUMB. 6" ABOVE BOTTOM OF PRECAST. Wm- PLAN 42" OR 48" OR 60" I.D. AS REQUIRED. MANUFACTURED RADIUS TO CONFORM TO PIPE O.D. + 2". (NO FIELD CUT) C. - 1,r✓ \\ 77 / 7� \ \ s D — a , 10 v o 1 (SPRINGLINE v..o_a.p EX. PIPE � giO �D0"°o:�0�� Ac D 0. O 0 p. D 0 a p� � .. v 0 . p D V" v 0 0 Do v 0 Vo v 0 . 0 p. v O o.p O D.O. 8" I..0 D v 0,0 �00 D D o OP. oe D '7°oo.t' D.� NEW PIPE. SHAPE INVERT TO FL. OF NEW PIPE. INVERT SHAPED TO SPRINGLINE OF PIPE. BREAK OUT PIPE TO SPRINGLINE AFTER ALL SECTIONS SET. STD. PRECAST MH. RISER BLOCK —UP CONC. BLOCKS 3 SUPPORTS MINIMUM. ELEVATION SECTION WITH NO BELL. CLASS "A" CONCRETE PLACED IN ONE CONTINUOUS POUR AND VIBRATED. NOTE: WATER STOP REQUIRED FOR P.V.C.. SANITARY & COMBINED SEWERS TO BE VACUUM TESTED. PRECAST MANHOLE ON EXIST. PIPE W/CONTINUOUS FLOW ONLY METROPOLITAN ST. LOUIS SEWER DISTRICT Standard Details of Sewer Construction Dr. S.A.M. Ch. P.W.S. 2009 SHEET 22