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TOP OF CASING ~ <~) ~ J-CAP <br />TYPICAL 12" TO 36" <br />t 2 FEET <br />ADDITIONAL <br />SAND PACK <br />ABOVE SCREEN <br />CONCRETE <br />6" DEPTH <br />GROUND SURFACE <br />•. .. <br />NATIVE <br />GROUND <br />f 4" - <br />DIAMETER <br />BOREHOLE <br />BENTONITE CLAY SEAL <br />2" PVC RISER PIPE <br />(TYPICAL) <br />UPPER PORTION <br />LOWER PORTION <br />COARSE GRADED <br />SAND PACK <br />10 FEET HORIZONTAL 0.010" <br />SLIT SCREENED INTERVAL <br />END CAP <br />t 4", TYPICAL <br />VARIES WITH NATIVE <br />GROUND COMPETENCY <br />AND <br />REQUIRED INSTALLATION <br />TorAL DEPTH <br />PENETRATED <br />I DA7E~ _ PI 9/8/98WG I SCALE- ~' TEMP. PN SOMETER WELL I D XXL N0. XXX X XXX I DRAWN' EPM <br />