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<br />GRADE flll'tGS MAY BE REQUIRED <br />TO BRING MANHOLE COVERS TO <br />GRADE DEPENDING ON INSTALLED <br />DEPTH OF INCOMING DRAIN LINE, <br /> <br />REINFORCED CONCRETE PIPE <br />I ,. <br />(I SECTION ¡LENGTH = 4 -0 ) <br /> <br /> <br />REINFORCED COHCRE1E COVEns TO ÐE <br />DESIGNED BY OWNER TO WITHSTMID <br />MAXIMUM LOADING TH AT WILL 0 CCUR. <br /> <br />RUBBER WATER SEALS - <br /> <br /> <br />MItHMUM 24 It DIAMETER CAST <br />IRO~I MAU HOLE RIUG a COI/ER <br /> <br />4" CLEAN -OUT <br /> <br />2"VENT PER <br />BLDG, INSPEC, <br />REQUIREMENTS <br />4" CLEAN- OUT <br /> <br />-- <br /> <br />" <br /> <br />FLOW -- <br /> <br /> <br />¿O'N:INE MUST <br />BE 3" (min) <br />ABOVE STATIC <br />WATER LEVEL <br /> <br />2." C,\.P. VENT <br /> <br />2t-O"(min) <br /> <br /> <br />~ S'-S"{mõo) <br /> <br />" <br /> <br />1 <br />0\ <br />FLOWLINE ELEVATION r-t <br />HERE DETERMINES 1 <br />STATIC WATER LEVEL <br /> <br />, <br /> <br />REINFORCED <br />CONCRETE <br />SLAB <br /> <br />. . <br /> <br />'1.:1.-,~~;~. ,.'. .-. "".'U <br />., '. "-,. '..' ." t,',., ..",..'J6"<min) <br /> <br />.', '.'PI;E'.DI~,"B"'.' -¡'I'".,t <br />~ (SEE TABLE)~~ 6 ~ <br />(rnln) <br /> <br />SIZE REQUIREMENTS <br />f~~~ 751801051901951100 <br />"Â'(lN) 36 42 /42 48 48 54 54 60 60 60 66 66 66 72 72 172 <br />.'8'~IN) 30 36 136 42 42 42 48 48 48 54 54 54 60 60 60 I~ <br /> <br />SAND AND GREASE TRAPS <br />TYP E I' <br /> <br />CITY OF SAN MARCOS ,TEXAS <br /> <br />- <br />