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Monitoring Well Detail <br /> ' PROJECT NUMBER 1813G BORING /WELL NO. <br /> ;�-l8R <br /> PROJECT NAME Dupont/L0dj- TOP OF CASING ELEV. 30 . 87 <br /> COUNTY <br /> San Joaquin GROUND SURFACE ELEV. 31 . 82 <br /> WELL PERMIT NO. 87-3860 DATUM _City of Lodi <br /> B EXPLORATORY BORING <br /> • •.` • •• a. Total depth 50.5 <br /> b. Diameter 10 In. <br /> Drilling method hollow stern auger <br /> e d h WELL CONSTRUCTION <br /> 50 <br /> c. Casing lengthft- <br /> Material sch 40 PVC <br /> d. Diameter <br /> e. Depth to top perforations LofL <br /> a c f. Perforated length .10 ft. <br /> i <br /> .. Perforated interval from 50 to 40 ft. <br /> Perforation type <br /> machine slat <br /> 0.020 in. <br /> Perforation size <br /> .. (2-0) 2 <br /> g• <br /> ~'= =t ..• Surface sea! ft. <br /> • :. <br /> ''" • Seal material C°ncxete <br /> `1 h. Backfill <br /> f . ''•:; •:c: ' Backfill material 5% bentonite/cement <br /> 2 <br /> :i.. L Seat <br /> bentonite pellets <br /> • Seal material <br /> T T <br /> (50-5-38) 12.5 <br /> }. Gravel pack ------ft- <br /> .-••.: ••'••' Pack material 2/12 sand <br /> .•t k. Bottom seal ft. <br /> Seal material N/A <br /> k N-9 christy box, c-arnlock <br /> I••+-=--- I. <br /> well head with "T" lock <br /> EXCEI.TIECH <br />