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WELL CONSTRUCTION DIAGRAM g"Ef <br /> . PROJECT NUMBER 002-70950-01 BORING/WELL NO MW-6A&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 1/12/2000 <br /> A <br /> R EXPLORATORY BORING <br /> 9 a Total depth 72 ft <br /> b Diameter 12 in <br /> Drilling method Hollow Stem Auger <br /> h WELL CONSTRUCTION <br /> e <br /> c Total casing length A 72 ft B 50 ft <br /> Material Poly-Vinylchlonde <br /> i <br /> d Casing Diameter A 2 in B 2 in <br /> e Depth to top of screen A 52 ft B 25 ft <br /> f Screen Interval A 52 ft to 72 ft <br /> Screen Interval B 25 ft to 50 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 /> h Backfill 22 ft <br /> l 1�7 Backfill material Cement Grout <br /> i Seal A 50 ft B 51 ft <br /> Seal material Bentonite <br /> f Sand pack A 21 ft B 28 ft <br /> f Sand Pack interval A 51 ft to 72 ft <br /> l Sand Pack interval B 22 ft to 50 ft <br /> Pack material 10-20 Sand <br /> k Bottom seal None <br /> Seal material None <br /> I Depth to groundwater 47 ft <br /> $ k below ground surface <br /> b <br />