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APPROXIMATE DEPTH BELOW TEEL LID <br /> GN+vO �v/'1•'+cE <br /> CONCRETE VAULT (T2I�Fic R+re) <br /> 1.5" COLUMN PIPE <br /> SOUNDING TUBE 8.625" STEEL LOCKABLE <br /> WELL SEAL WELL MOUSING <br /> GROUT <br /> 15.5" BORING <br /> GROUT <br /> 10.75" I.D. STEEL CASING <br /> GROUT <br /> 4"I.D. FLUSH-THREADED SCHEDULE 40 <br /> PVC CASING <br /> BENTONITE SEAL <br /> 9.875" BORING <br /> CENTRALIZER <br /> MONTEREY NO. 3 SAND <br /> 4I.D. SCHEDULE 40 PVC SLOTTED CASING, <br /> 0.30 INCH SLOTS <br /> THREADED PVC CAP <br /> TOTAL DEPTH <br />