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E S T A e L I s M E o I ! 3 0 <br /> �o <br /> �iCLARK WELL INC. PROTECT UNDERGROUND WATER <br /> WINSan Joaquin Delta College Test Well & Recommendations Holt Parking Lot <br /> FT FT Strata <br /> 0 1 Top Soil <br /> 1 22 Clay <br /> 22 45 Sand &Gravel <br /> 45 79 Sand <br /> 79 83 Clay <br /> 83 95 Sand <br /> 95 105 Clay <br /> 105 126 Sand <br /> 126 132 Clay <br /> 132 137 Sand <br /> 137 172 Clay <br /> 172 177 Sand <br /> 177 185 Clay <br /> 185 221 Sand <br /> 221 247 Clay <br /> 247 258 Sand <br /> 258 266 Clay <br /> 266 290 Sand <br /> 290 330 Clay <br /> 330 353 Sand <br /> 353 370 Clay <br /> 370 425 Sand <br /> 426 435 Clay <br /> 430 ft Deep <br /> 36" Borehole to 230 <br /> 230' 30" .375 Conductor Pipe <br /> 230 ft Grout Seal 9 sack sand &cement mix <br /> 26" Borehole from 230 to 430 - <br /> 327 ft 16" ID .250 inch wall Copper Bearing(CBE) Blank Pipe from +1 to-326 ft <br /> 100 ft 16" 1D .250 inch wall Copper Bearing(CBE) Ful-Flo Louvered Pipe from -326 to-426 ft <br /> 4 ft 16" 1D .250 inch wall Copper Bearing(CBE) Pipe with Bull nose from -426 to 430 ft <br /> 6 X 12 Silcia Gravel <br /> Slot Size 0.070 <br /> Michael R. Clark- 10 March 02 <br /> 2024 EAST CHARTER WAY, STOCKTON, CALIFORNIA 95205-7016, TEL: 209/462-7676, FAX: 209/462-5597 <br /> GENERAL ENGINEERING CONTRACTORS, License No . A 371560 <br /> www.clarkwell.com <br />