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Joe Simpson Paper Cc - Ripon <br /> LAWRENCE & ASSOCIA'e SHEET NO � OF <br /> 2001 Market St., Rm. 523Nov 14 19 8 8 <br /> REDDING, CA 96001 CALCULATED By D.A. L. DATE <br /> (916) 244.9703 CHECKED By DATE_ <br /> Not to scale <br /> SCALE <br /> 2-inch galvanized steel cap <br /> 2-inch diameter x 3-ft long galvanized <br /> Ahsteel riser, threaded botends <br /> "Redi-Crete" concrete seal <br /> 10 , 2-inch PVC female adapter , secured to blank <br /> jcasing w/ stainless-steel screws <br /> X, 7-7/8-inch diameter hole <br /> 0 <br /> D "4 x 10" gravel pack <br /> ° <br /> 0 <br /> 2-inch PVC blank casing, Sch 40 , belled <br /> 'o joints secured w/ stainless-steel screws <br /> B ° <br /> 0 <br /> v° <br /> _ p <br /> OO <br /> D <br /> C c <br /> 0 <br /> 74 <br /> 2-inch PVC slip coupling, secured to blank <br /> D _ <br /> casing and screen w/ stainless-steel screws <br /> > � <br /> - ^L <br /> 10 ' _ - > Caved hole <br /> _ ._ <br /> 2-inch PVC screen, Sch 40 , 20 slot* <br /> .......... . <br /> v <br /> 2-inch PVC slip cap secured to screen w/ <br /> stainless-steel screws <br /> *Ob-12 has 80-slot screen <br /> 1 <br /> See Table ,� for,. ret+e==a- - � S <br /> Observation Well Construction Details (Sheet 1 of 2) <br /> Wells Ob-2 , 5 , 6 , 12 , 13 , and 14 <br /> Figure 23 <br /> Gm.w.01471. <br />