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WELL DETAILS <br /> BORING/WELL NO MW-12 <br /> PROJECT NUMBER U5469 <br /> 70P OF CASING ELEV 1619 <br /> PROJECT NAME Arco Service Station No 5469 <br /> GROUND SURFACE ELEV 16 73' <br /> LOCATION 130 S Wilson Way, Stocdon California <br /> DATUM City of Stockton Benchmad5 Na.92 <br /> WELL PERMIT NO SR45774 <br /> INSTALLATION DATE February 14 2006 <br /> EXPLORATORY BORING <br /> a TOTAL DEPTH 53 ft <br /> d <br /> TOC(TOP OF CASING) b DIAMETER 10 _in <br /> G-5 VAULT BOX(STD) DRILLING METHOD Hollow Stem Auagf_-- <br /> �. r�x <br /> WELL CONSTRUCTION <br /> c TOTAL CASING LENGTH 52 ft <br /> h MATERIAL Schedule 40 PVC <br /> e d DIAMETER 4 in <br /> `� \S a DEPTH TO TOP PERFORATIONS 32 ft <br /> i <br /> a °� f PERFORATED <br /> c INTERVAL FROM 32 TO 52 ft <br /> . PERFORATION TYPE Slotted Screen <br /> PERFORATION SIZE 002 in <br /> g SURFACE SEAL 0 to 1 0 ft <br /> SEAL MATERIAL Concrete <br /> h BACKFILL 1 0 to 27 ft <br /> =_ BACKFILL MATERIAL Neat Cement <br /> i SEAL 27 to 30 ft <br /> SEAL MATERIAL Bentonite <br /> b' -- I FILTER PACK 30 to 53 ft <br /> FILTER PACK MATERIAL #3 Sand <br /> k BOTTOM SEAL <br /> BENTONITE 1 CONCRETE <br /> - SEAL MATERIAL _ NIA <br /> U CEMENT L—I SAND <br /> E El PERFORATION <br /> NOT TO SCALE <br /> PREPARED BY DATE <br /> REVIEWED BY DATE <br />