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10 ROADWAY 10 ' <br /> PAVING <br /> CASING VENT <br /> ( SEE M - 14) <br /> ROCK BASE <br /> 36 " ( MIN ) <br /> - - - - - - - - - - - - - - - - - - - - - <br /> - - <br /> DUCTILE IRON TO EXTEND DUCTILE IRON M . J . <br /> ONE LENGTH MINIMUM CLASS 52 PIPE <br /> ELEVATION <br /> CARRIER STEEL CASING MINIMUM <br /> PIPE SIZE WALL THICKNESS <br /> 4" 12 188 <br /> 6 " 14 . 250 <br /> 8 " 16 250 <br /> 10 20 . 250 <br /> 12 24 250 <br /> 16 32 375 <br /> 20 40 375 <br /> 24 48 . 500 <br /> 30 60 . 625 <br /> 36 72 " 625 <br /> 42 84 625 <br /> 48 96 . 625 <br /> . NOTE <br /> 1 , IF RETAINER GLANDS ARE REQUIRED , THE CASING SIZE SHALL BE <br /> ADJUSTED ACCORDINGLY, <br /> INDIAN RIVER COUNTY �� VER �� CASING INSTALLATION DRNONG <br /> DEPARTMENT OF A z M - 12 <br /> UTILITIES SERVICES *� DETAILS <br />