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WELL SEAL <br /> 2 INCH I.D. COLUMN PIPE <br /> 3/4" I.D. SOUNDING TUBE BOLTED STEEL COVER <br /> REFERENCE POINT MONUMENT <br /> '0 APPROXIMATE DEPTH <br /> CEMENT PAD BELOW LAND SURFACE <br /> (IN FEET) <br /> 13.75" NOMINAL BOREHOLE <br /> 4" I.D. SCHEDULE 40 <br /> RUSH-THREADED PVC CASING <br /> NOT TO SCALE <br /> VOLCLAY GROUT <br /> 91.0 <br /> 3/8" INCH BENTONITE CHIPS <br /> iv <br /> 93.0 <br /> SANDFILTER ° 100.0 <br /> 4" I.D. SCHEDULE 40 <br /> FLUSH-THREADED PVC <br /> CIRCUMSLOT SCREEN ° <br /> .n <br /> CENTRALIZER ° <br /> a = B <br /> �0 0 110.0 <br /> 4" I.D. SCHEDULE 40 a <br /> RUSH THREADED END CAP O a� �o <br /> TO APPROX. 110.5 <br /> FIGURE 1-1 <br /> SCHEMATIC WELL CONSTRUCTION DIAGRAM <br /> UPPER INTERMEDIATE ZONE EXTRACTION WELL KEW-3U <br /> DUDEK k ASSOCIATES, INC. <br /> 45011 CH F.D WG <br />