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WELL DETAIL@ <br /> PROJECT NUMBER 2560-203.01 BORING /WELL NO. MW-1 <br /> PROJECT NAME Chevron Pipeline, Milepost 215 TOP OF CASING ELEV. 67.72 <br /> LOCATION 415 Mt. Diablo, Tracy, CA GROUND SURFACE ELEV. 68.0 <br /> WELL PERMIT NO. 008371 DATUM MSL <br /> INSTALLATION DATE 2/14/96 <br /> TOC (Top of casing) <br /> G-5 vault box (Std.) <br /> g EXPLORATORY BORING <br /> a. Total depth 35 ft. <br /> b. Diameter 12 in. <br /> Drilling method Hollow-stem Auger <br /> e d h WELL CONSTRUCTION <br /> c. Total casing length 34.5 ft. <br /> Material Schedule 40 PVC <br /> d. Diameter 4 in. <br /> a c e. Depth to top perforations 14.5 ft. <br /> i f. Perforated length 20 ft. <br /> Perforated interval from 14.5 to 34.5 ft. <br /> Perforation type Machine Slot <br /> Perforation size 0.020 inch <br /> g. Surface seal 1 ft. <br /> Material Concrete <br /> f j h. Backfill 10 ft. <br /> Material Cement w/4% bentonite <br /> I. Seal 2 ft. <br /> Material Bentonite <br /> j. Gravel pack 21.5 ft. <br /> Gravel pack interval from 34.5 to 13 ft. <br /> Material Lonestar#3 Sand <br /> k. Bottom seal/fill Bentonite 0.5 ft. <br /> k <br /> Material Slough <br /> b <br /> Form prepared by AJM <br />