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STEEL LID <br /> CONCRETE VAULT <br /> I" COLUMN PIPE , <br /> SOUNDING TUBE 6.625" STEEL LOCKABLE <br /> WELL SEAL WELL HOUSING <br /> GROUT <br /> 15.5" BORING <br /> � '• GROUT <br /> 30. <br /> • 10.75" C.D. STEEL CASING <br /> ff � <br /> 1ti <br /> .cQ L <br /> 4 <br /> BENTGNITE SEAL <br /> 4"I.0. FLUSH-THREADED SCHEDULE 40 <br /> PVC CASING <br /> CENTRALIZER <br /> 3.875" BORING <br /> i <br /> I <br /> CENTRALIZER <br /> Ne.3 MONTEREY SAND <br /> 4" I.D. SCHEDULE 40 AVC SLOTTED CASING, <br /> O.C3 INCH SLOTS <br /> k <br /> THREADED PVC CAP <br /> TOTAL DEPTH <br /> THE MARLEY COOLING TOWER <br /> COMPANY <br /> STOCKTON, CALIFORNIA FACILITY <br /> REFERENCE: PHASE III GROUND WATER SCHEMATIC MONITORING <br /> ASSESSMENT, PREPARED BY WELL CONSTRUCTION DIAGRAM, <br /> HARGIS+ASSOCIATES, 1987. <br /> FIGURE 4-4 <br />