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. I <br /> Protective Surface Casing Locking Well Cover <br /> Concrete Pad / Ground Surface <br /> f <br /> j Cement Grout <br /> i <br /> i. <br /> Well Centralizers 6" Diameter Borehole or <br /> k (Every 40') 10"Diameter Borehole <br /> 2" Diameter PVC (Schedule 40) or <br /> 6" Diameter PVC (Sch 80) <br /> 1 <br /> f <br /> j 2' Bentonite Seal <br /> 1.. <br /> Well Centralizers <br /> M <br /> ,I <br /> 10-20' Length Screen = Filter Pack Sand <br /> 1 — <br /> ? 2' Sediment Trap = (Sized from grading analysis) <br /> Well Centralizers <br /> Threaded Bottom Cap <br /> ` f <br /> Figure 3 <br /> Well Construction Details <br /> Disco Site <br /> ` Stockton,CA <br /> I 131420.A1.WPWell Cm"DILSiV&oomeiab CIR2IMH1LL <br />