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APPROVED <br /> AS NOTED POST-TENSION <br /> w SLAB FLUSH W/ <br /> 0 FINISH GRADE <br /> 0 30 a0/S <br /> 40.8' 12'± i <br /> FINISH GRADE f 20' (TYP,) i <br /> 429.6 430.0 <br /> S=1% <br /> �— 12" FREEBOARD <br /> • -� EXPOSED PORTION <br /> i 100-YR MAX. OF WET/DET. VAULT <br /> 7.6' LIVE STORAGE WATER EL = 127.6 � <br /> - - -_WQ WATER 2 2H:1 V SLOPE FINISH GRADE <br /> 18" PVC PIPE FROM EL = 420.0 i 1 <br /> CB #10 IE 418.0 = <br /> DEAD STORAGE <br /> 12" PVC PIPE TO <br /> FCS IE=420.0 <br /> WET POOL STORAGE IN THE WEST SEDIMENT STORAGE SEDIMENT STORAGE EXISTING GRADE <br /> HALF OF THE VAULT ONLY. 4 FT EL. = 416.0 EL. = 420.0 <br /> DEPTH IN THE FIRST CELL & 3 FT <br /> 5%SLOPE WITH <br /> DEPTH IN THE SECOND CELL TROWEL FINISH (TYP.) <br /> SECTION B-B <br /> 1' = 10' <br /> �2 <br />