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WELL CONSTRUCTION DETAIL <br /> E A Total Depth of Boring 60 it. <br /> C <br /> B Diameter of Boring 8 in. <br /> .a I Drilling.Method hollow-stem auger <br /> H <br /> C Top of Casing Elevation ft. <br /> Referenced to Mean Sea Level <br /> I Referenced to Project-Datum <br /> D Casing Length 60 ft. <br /> Material Schedule 40 PVC <br /> E Casing Diameter 2-inch in. <br /> I <br /> E F Depth to Top Perforations / 50 it. <br /> G Perforated Length 10 ft. <br /> Perforated Interval from 50 to 60 ft. <br /> I <br /> 1 Perforation Size 0.02 in. <br /> H Surface Seal from 0 to 1.5 ft. <br /> ,l Seal Material concrete <br /> D � <br /> A I I Backfill from 1.5 to 45 ft. <br /> Backfill Material neat cement <br /> J Seal from 45 to 48 ft. <br /> Seal Material bentonite <br /> K Gravel Pack from 48 to 60 ft. <br /> Pack Material Lonestar#3 Sand <br /> i <br /> K L Bottom Seal none ft. i <br /> G = Seal Material <br /> M flush mounted water resistant well box, <br /> locking well cap and lock. <br /> Note: <br /> I� <br /> I L <br /> I <br /> R <br /> Proposed Well Construction Detail FIGURE <br /> G ETTLER- RYAN, 1 NC. Former Unocal Service Station #2859 <br /> 6747 Sierra Ct.,Suite J (925)551-7555 1665 Pacific Avenue <br /> 3 <br /> Dublin,CA 94568 Stockton, California <br /> Job NUMBER REVIEWED BY DATE - REVISED DATE REVISED DATE <br /> 240072.05 <br />