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STEEL PLATE COVER <br /> (NO.B 1730-5 I JH) <br /> 777 77T7- (CHRISTY PRODUCTS) <br /> 9" CONCRETE VAULT <br /> INSIDE DIMENSIONS I7"wX30"1X24"d <br /> I <br /> NO. B 1 730.BOX AND NO.B 1 730 EXT. <br /> .2- <br /> GROUT <br /> 15 1 /4" DIAMETER BOREHOLE <br /> CEMENT SEAL <br /> 10" DIAMETER SURFACE CASING <br /> 20 <br /> CLEAN WASHED PEA GRAVEL <br /> 180 °q o;,.. 4" DIAMETER BLANK PVC PIPE <br /> NON-THREADED SLIP <br /> Q 200 AND COUPLING JOINTS <br /> X. <br /> v� 9 7/8" DIAMETER BOREHOLE <br /> v <br /> a SAND PACK <br /> 3 <br /> MONTEREY 8X20 BAGGED SAND <br /> 0 <br /> J <br /> W CENTRALIZER <br /> m <br /> F HYDROPHYLLIC WELL SCREEN <br /> 4" DIAMETER 0.020 SLOT SIZE. <br /> z <br /> 40 SLOTS PER FOOT f <br /> s <br /> a <br /> us <br /> 0 <br /> 260 PVC CAP <br /> FIGURE 2. SCHEMATIC WELL CONSTRUCTION DIAGRAM <br />