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WELL DETAILS <br /> BORINGAMELL NO MW-17 <br /> PROJECT NUMBER U6100 <br /> TOP OF CASING ELEV 272 20' <br /> . PROJECT NAME Former Arco Service Station No 6100 <br /> GROUND SURFACE ELEV 272 69' <br /> LOCATION 25775 S Patterson Pass Road,Tracy,Cahfomia <br /> DATUM <br /> WELL PERMIT NO SR0045139 <br /> INSTALLATION DATE December 13,2005 <br /> EXPLORATORY BORING <br /> a TOTAL DEPTH 98 ft. <br /> d <br /> TOC(TOP OF CASING) b DIAMETER 10 in <br /> G-5 VAULT BOX(STD) DRILLING METHOD Hollow Stem Auaer <br /> !` WELL CONSTRUCTION <br /> c TOTAL CASING LENGTH 28 ft <br /> h <br /> Q5 MATERIAL Schedule 40 PVC <br /> e � d DIAMETER 4 in <br /> a DEPTH TO TOP PERFORATIONS 78 ft <br /> a +� f PERFORATED <br /> c INTERVAL FROM 78 TO 98 ft <br /> • _ PERFORATION TYPE Slotted Screen <br /> PERFORATION SIZE 001 ,n <br /> g SURFACE SEAL 0 to 10 ft <br /> SEAL MATERIAL Concrete <br /> h BACKFILL 1 0 to 71 ft <br /> BACKFILL MATERIAL Neat Cement <br /> t SEAL 71 to 75 ft <br /> _ SEAL MATERIAL Bentonite <br /> -- FILTER PACK 75 to 98 ft <br /> �— b —� <br /> FILTER PACK MATERIAL #2112 Sand <br /> / k BOTTOM SEAL <br /> BENTONITE �rT CONCRETE <br /> L__j SEAL MATERIAL NIA <br /> Rey CEMENT L—J SAND <br /> E�D PERFORATION <br /> NOT TO SCALE <br /> PREPARED BY DATE <br /> REVIEWED BY DATE <br />