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WELL CONSTRUCTION DIAGRAM BL A* E <br /> PROJECT NUMBER 002-70950-01 BORING!WELL NO MW-9A&B � <br /> PROJECT NAME U-Haul#709-50 TOP OF CASING ELEV <br /> LOCATION 2701 N Wilson Way GROUND SURFACE ELEV <br /> Stockton, CA DATUM <br /> WELL PERMIT NO INSTALLATION DATE 1/21/2000 <br /> A A EXPLORATORY BORING <br /> 9 a Total depth 77 ft <br /> b Diameter 12 in <br /> Drilling method Hollow Stem Auger <br /> h WELL CONSTRUCTION <br /> e <br /> c Total casing length A 77 ft B 50 ft <br /> Material Poly-Vinylchloride <br /> i <br /> d Casing Diameter A 2 in B 2 in <br /> e Depth to top of screen A 52 ft B 30 ft <br /> f Screen Interval A 52 ft to 77 ft <br /> Screen Interval B 30 ft to 50 ft <br /> f I a Perforation type Machine slot <br /> Perforation size 0 020 inch <br /> g Surface seal 1 ft <br /> Seal material Cement <br /> i h Backfill 27 ft <br /> I �7 _ Backfill material Cement Grout <br /> I Seal A 50 ft B 51 ft <br /> Seal material Bentonite <br /> I Sand pack A 26 ft B 23 ft <br /> f Sand Pack interval A 51 ft to 77 ft <br /> 1 Sand Pack interval B 27 ft to 50 ft <br /> Pack material 10-20 Sand <br /> k Bottom seal None ft <br /> Seal material None <br /> 1 Depth to groundwater 45 <br /> k below ground surface <br /> b <br />