Resolutions-1997-021

CRETEX INTERIOR CHIMNEY SEAL OR APPROVED EQUAL CONCRETE RINGS AS REQUIRED TO MIN. OF 4" TO MEET GRADE WITH 24" MAX. HEIGHT OF SPACER RINGS, INCLUDING MANHOLE FRAME, SEAL AND RING SEAL, MASTIC OR APPROVED EQUAL. JOINTS TO BE CONFINED O-RING GASKET MEETING ASTM C-443 PRECAST CONCRETE SECTIONS CONFORMING TO ASTM C-478 MANHOLE FRAME AND LID TO BE NEENAH R-1670, SELF SEALING OR APPROVED EQUAL. IF IN PAVED AREA, CASTING SHALL ALSO BE NON-ROCKING. STEP MA INDUSTRIES PSI-PF OR APPROVED EQUAL 4" FOR \( \leq 21" \) PIPE 5" FOR \( >21" \) PIPE USE A-LOK SEAL OR APPROVED EQUAL WHERE PIPE PASSES THROUGH THE MANHOLE WALL. TYPICAL SANITARY SEWER AND STORM SEWER MANHOLE GREATER THAN 6' IN DEPTH FIGURE 8.1