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1 <br /> Monitoring Well Detail <br /> PROJECT NUMBER 15826 BORING / WELL NO--MW- <br /> PROJECT NAME Tri-Valley Thorton� TOP OF CASING ELEV. 10 01 <br /> COUNTY= San Joaquin GROUND SURFACE ELEV._ <br /> WELL PERMIT NO. 88-163 DATUM 10' @ MW-2 T O.C. <br /> t <br /> i <br /> 1 1. <br /> rA g EXPLORATORY BORING <br /> a. Total depth 24 ft. <br />' b. Diameter 8 in, <br /> Drilling method hollow stem auger <br />' d <br /> e h WELL CONSTRUCTION <br />' c. Casing length 22 . 5 ft <br /> Material sch. 40 PVC Pipe <br /> d_ Diameter 2 gin. <br /> a c e. Depth to top perforations 6 ft- <br /> f. Perforated length 16 . 5 ft. <br /> ;. Perforated interval from 22 . 5to Lft. <br /> Perforation type machine slot <br /> Perforation size 0 . 020 inch <br /> - g. Surface seal ?ft <br /> :;. <br />' ' Seal material concrete <br /> •••== h. Backfill <br /> f 2 . 5 <br /> ft. <br /> Backfill material cement grout <br /> M <br /> i. Seal <br /> Seal matercal bent on 2-t e <br /> -•:•'• }. <br /> Gravel pack 18 ft. <br /> •=• Pack material # 2/12 s and <br /> �• ::= k. Bottom seal -- ft. <br /> Seal material <br /> k <br /> b F-8 Christy box, locking <br /> I. <br /> cover , padlock <br /> EXCELTECH <br />