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NESTED INJECTION WELL DETAILS <br /> PROJECT NUMBER 2129-1140-01 BORINGA/VELL NO.: IW-2 A/B <br /> PROJECT NAME: Knowles Property GROUND SURFACE ELEV.: <br /> LOCATION: 7835 Thorton Road, Stockton,California DATUM <br /> WELL PERMIT NO. SR-0062938 INSTALLATION DATE: April 9,2012 <br /> EXPLORATORY BORING WELL CONSTRUCTION <br /> c.SURFACE SEAL 0 to 1 ft <br /> a.TOTAL DEPTH 59 ft. <br /> SEAL MATERIAL Concrete <br /> b. DIAMETER 8 in. Deep Well <br /> DRILLING METHOD Holow Stem Auger d.TOTAL CASING LENGTH 56 <br /> ft. <br /> MATERIAL Schedule 80 PVC <br /> e. DIAMETER 3/4 in. <br /> f. DEPTH TO TOP OF SPARGE POINT 54 ft <br /> g.SPARGE POINT <br /> INSTALLED FROM 54 TO 56 ft. <br /> e— --- OCTOP OF CASING h.TRANSITION SEAL 51 to 52 ft. <br /> i� TOC( <br /> ) SEAL MATERIAL Bentonite Chips <br /> 'G-5 VAULT BOX(STD.) <br /> i. FILTER PACK 52 to 59 ft. <br /> II _ <br /> c FILTER PACK MATERIAL #2/12 Sand <br /> Shallow Well <br /> TOTAL CASING LENGTH 50 ft, <br /> M MATERIAL Schedule 80 PVC <br /> n <br /> k. DIAMETER 3/4 <br /> I.DEPTH TO TOP OF SPARGE POINT 48 ft. <br /> m.SPARGE POINT <br /> d INSTALLED FROM 48 TO 50 ft. <br /> o <br /> n. BACKFILL 1.0 to 45 ft. <br /> BACKFILL MATERIAL Grout <br /> o.SEAL 45 to 47 ft. <br /> m p <br /> SEAL MATERIAL Bentonite Chips <br /> BENTONITE <br /> p. FILTER PACK 47 to 51 ft, <br /> h �`� GROUT #2/12 Sand <br /> `1 FILTER PACK MATERIAL <br /> CONCRETE <br /> SAND <br /> J— <br /> t- =j PERFORATION <br /> b <br /> NOT TO SCALE <br /> PREPARED BY Shane Edmunds DAT;= 4-13-12 <br /> REVIEWED BY DATE <br />