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r <br /> r d <br /> l <br /> WELL CONSTRUCTION DETAIL <br /> E C <br /> M <br /> A Total Depth Of Baring 55 ft <br /> } H g Diameter Of Boring 8 in <br /> Drilling Method <br /> • - - Hollow—stem Auger <br /> C Top Of Box Elevation ft <br /> ❑ Referenced To Mean Sea Level <br /> ❑ Referenced To Project Datum <br /> D Casing Length 55 ft <br /> Materia! Schedule 40 PVC <br /> E Casing Diameter 2 in <br /> F Depth To Top Perforations 25 ft <br /> G Perforated Length 30 ft <br /> J Perforated Interval From 25 to 55 ft <br /> ❑ Perforation Type Machine—slotted <br /> A Perforation Size 002 in <br /> — H Surface Seal From 0 to 1 ft <br /> Seal Material Concrete <br /> I Backfill From 1 to 21 ft <br /> Backfill Material Neat Cement <br /> J Seal From 21 to 23 ft <br /> G — K Seal Material Bentonite <br /> K Gravel Pack From 23 to 55 ft <br /> Pack Material #3 Lonestor graded sand <br /> L Bottom Seal ft <br /> Seal Material None <br /> M Vault box, locking well cap, and <br /> lock <br /> L <br /> --A iiiii I- <br /> B <br /> Note Depths Measured From Initial Ground Surface <br /> PROPOSED WELL CONSTRUCTION DETAIL FIGURE <br /> GeoStrategies Former Unocal Service Station No 0187 <br /> G S 13164 Gold Camp Drive, Suite 240 437 East Miner Avenue 4 <br /> Rancho Cordova, California 95670 <br /> Stockton, California <br /> JOB NUMBER REVIEWED BY DATE REVISION DATE <br /> 4827 5;0 71' 3/97 <br />