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Monitoring Well Detail <br /> PROJECT NUMBER 1582G BORING / WELL NO. MW- <br /> PROJECT NAME Tri-Valley/Thornton TOP OF CASING ELEV.8. 97 <br /> COUNTY San Joaquin GROUND SURFACE ELEV.9. 71 <br /> WELL PERMIT NO. 87-2966 DATUM Arbitrary, MW-2 <br />' top casing se a 10 . 00 <br /> . - � <br /> S EXPLORATORY BORING <br /> .4 <br /> a_ Total depth 26 . 5 ft. <br /> b. Diameter 7 • Sin, <br /> Drilling method hollow stem auger <br /> d <br /> e <br /> h WELL CONSTRUCTION <br /> 1 <br /> c. Casing length 25 fir. <br /> Material sch 40 PVC <br /> d. Diameter 2 ;n, <br /> a c e. Depth to top perforations 10 ft. <br />' f. Perforated length 15 ft. <br /> i <br /> Perforated interval from 2 5 tol�ft. <br /> -'•" Perforation type machzne slot <br /> "� 'i':• Perforation size 0 . 02 zn . <br /> ( 1-0 ft . } 1 <br /> :;;... <br /> g. Surface seal ft. <br /> • '� ' Seal material <br /> concrete <br /> 5-1 <br /> •:' • •== h. Backfill ( ft . ) 4 ft. <br />' Backfill material grout cement <br /> tN L Seal ( 9-5 ft - ) <br /> •:: <br /> Seal maternal bentonite pellets <br /> ft . )j. Gravel pack ( ) 16 ft <br /> Pack material #2/12 sand <br /> k. Bottom sea[ ft <br /> • : .•:.•:+ Sea[ maternal N/A <br /> b <br /> k F--8 chr.isty box, locking <br /> i. <br /> • cover, lock <br /> 1 <br /> ' EXCELTECH <br />