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WATER TIGHT <br /> J-CAP <br /> <br /> VARIES <br /> 12' TO 36' <br /> \ /\~ . n . <br />~~\ / <br />4 <br /> \/ . <br />\~ <br /> <br /> <br /> ~ ~ GRDUT OR <br /> CONCRETE <br /> 6' DEPTH TYP. <br /> BENTONITE <br /> CLAY SEAL <br />APPROXIMAT E 2' DEPTH TYP. <br />12" RISER PIP E i <br />~~~ <br /> / \ <br />\ <br /> \ <br />~ / <br />PIEZOMETER ~:- <br />(2' PVC RISER ~ ~~; _ <br />- <br />PIPE TYP.) •.=s~: <br /> SAND FILTER CIO/20) <br /> TO TOTAL DEPTH & <br /> 2' ABOVE SCREEN <br /> V ARJES <br /> C 4 TO 8' TVPJ <br /> SLOTTED SCREEN (0.010') <br /> TOTAL DEPTH TO 2' <br /> ABOVE WATER LEVEL <br /> _:.; <br /> s; <br /> =~ -- <br /> ~••f: <br />BOTTOM ELEV. =BEDROCK -- '~{"' ' <br /> <br /> <br /> <br /> <br /> HALL-IRWIN CORPORATION <br />CIVIL RE9711RCES, LLC NISSEN FARM RESOURCE <br />onn: nc~ae <br />TYPICAL P[EZOMETER <br />08/2003 - <br />