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Ah <br /> WELL SEAL <br /> 2 INCH I.D. COLUMN PIPE <br /> 3/4' I.D. SOUNDING TUBE LOCKING STEEL COVER <br /> REFERENCE POINT MONUMENT <br /> o <br /> I _I <br /> (V <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 /> FLUSH-THREADED PVC CASING <br /> NOT TO SCALE <br /> VOLCLAY GROUT <br /> 90.0 <br /> 3/8" INCH BENTONITE CHIPS <br /> +I <br /> iv <br /> 92.0 <br /> SANDFILTER 97.0 <br /> 4" I.D. SCHEDULE 40 a� <br /> FLUSH-THREADED PVC — <br /> CIRCUMSLOT SCREEN <br /> 7n <br /> CENTRALIZER <br /> a 0 112.0 <br /> 4' I.D. SCHEDULE 40 <br /> FLUSH THREADED END CAP 0 �� o <br /> TO APPROX. 112.7 <br /> FIGURE 1-2 <br /> SCHEMATIC WELL CONSTRUCTION DIAGRAM <br /> UPPER INTERMEDIATE ZONE EXTRACTION WELL KEW-4U <br /> DUDEK& ASSOCIATES, INC. <br /> 45011 CH G.0 WG <br />