Typical Vented Manhole
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3 SCHEDULE FLANGEDGALVANIZED STEELNOTES1 VENT TOP TO BE 2 ABOVE100 YEAR FLOOD ELEV2 VENT MUST BE FACTORYWELDED FABRICATED ANDHOT DIPPED GALVANIZED WATERTIGHT FRAME COVER3 MAX VENT HEIGHT ABOVE FACTORY CAST IN CENTERED IN TOP WITHMANHOLE TOP IS 12' PLACE GALVANIZED STAINLESS STEEL BOLTSPIPE FLANGE 12ABOVE MH TOPFINISHED GRADESEAL AROUND VENT PIPE | ARES Sh ANHOLETHROUGH MANHOLE ELLLLZLLLGawh 1ts 2 - 3 ABOVEMIN 12 PRE-CAST GRADETOP SLAB WALLCOLLARBUGSCREENTYPE 316 SSVENT1412 SLOPEON ALL INVERTS BRICK MORTARINVERTEXTENDED BASEIF REQUIRED AOA4 "a 4 4 ° 4 - f SG Lg AIO -- asAAG RA3 ied x xx Hy ey rx Cex ty Or Os ex ty ar x yy tx tx or rr er ox er yy x ty x ert ry ty rx x x ri ey 'j, CAO OO OO OORRA RRRMIN 6 GRAVEL BEDDING- NOTTOSCALE™------C™| CCCCdT_ «Name | Date "ae z ESON onDrawnBy [| 'Ss PAGEChecked By | | ~--SSs] 39 JOHNSTONCOUNTY §f | A SANITARY SEWER[Approved By [| Department of Public Utilties SOA b STANDARD DETAIL 33Scale { PO Box 2263 wtf AYee Typical Vented MannoleA ACE[Rev| Description [Date __|init | See