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WELL CONSTRUCTION DIAGRAM gLA* FJ <br /> PROJECT NUMBER 002-70950-01 BORING 1 WELL NO MW-4A&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 1/19/2000 <br /> A R EXPLORATORY BORING <br /> I 9 a Total depth 70 ft <br /> b Diameter 12 in <br /> Drilling method Hollow Stem jue,hWELL CONSTRUCTION <br /> c Total casing length A 70 ft B 43 <br /> Material Poly-Vinylchlonde <br /> i <br /> d Casing Diameter A 2 in B 2 in <br /> e Depth to top of screen A 45 ft B 23 ft <br /> f Screen Interval A 45 ft to 70 ft <br /> Screen Interval B 23 ft to 43 ft <br /> f 1 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 20 ft <br /> l Backfill material Cement Grout <br /> i Seal A 43 ft B 44 ft <br /> Seal material Bentonite <br /> I Sand pack A 26 ft B 23 ft <br /> f Sand Pack interval A 44 ft to 70 ft <br /> 1 Sand Pack interval B 20 ft to 43 ft <br /> Pack material 10-20 Sand <br /> k Bottom seal None <br /> Seal material None <br /> I Depth to groundwater 45 ft <br /> k below ground surface <br /> ---------- <br /> b <br /> b <br />