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r � <br /> s <br /> EMCO WHEATON A7Y 4"00 <br /> MONITORING WELL BOX <br /> OR EQUIVALENT LOCKING EXPANSION PLUG <br /> EXISTING SURFACE <br /> 2'x 2'x 1'REBAR REINFORCED <br /> CONCRETE PAD(IF REQUIRED) <br /> 2' <br /> 2' <br /> SAND-CEMENT SLURRY <br /> OR NEAT CEMENT <br /> 2' <br /> BENTONITE SEAL <br /> WELL CASING: <br /> 1, 4-INCH DIAMETER <br /> SCHEDULE 40 PVC <br /> W <br /> 15' <br /> SAND FILTER PACK <br /> 10' _ <br /> WELL SCREEN: <br /> MACHINE SLOTTED PVC <br /> PVC THREADED END-CAP, <br /> OR SLIP CAP ATTACHED WITH <br /> STAINLESS STEEL SCREWS <br /> 10" <br /> NOT TO SCALE <br /> PROPOSED WELL CONSTRUCTION DETAILS CLEARWATER GROUP, INC. <br /> Ruiz Grocery Store <br /> 4491 West Durham Ferry Road Project No. Date Figure <br /> Tracy, CA D-107 2/97 2 <br />