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WELL CONSTRUCTION DETAIL <br />A <br />Total Depth of Boring 90 <br />Proposed Well Construction Detail <br />Former Chevron Service Station #9-5775 <br />301 West Kettleman Lane <br />ft. <br />B <br />Diameter of Boring 8 <br />Dublin, CA 94568 <br />n. <br />Drilling Method Hollow -Stem Auger <br />C <br />Top of Box Elevation <br />346408.09 <br />ft. <br />3/00 <br />Referenced to Mean Sea Level <br />Referenced to Project -Datum <br />D <br />Casing Length 90 <br />ft. <br />Material , Schedule 40 PVC <br />E <br />Casing Diameter 2 <br />n. <br />F <br />Depth to Top Perforations 85 <br />ft. <br />G <br />Perforated Length 5 <br />ft. <br />Perforated interval from 85 to <br />90 <br />ft. <br />Perforation Size 0.02 <br />n. <br />H <br />Surface Seal from 0 to <br />1.5 <br />ft. <br />Seal Material Concrete <br />I <br />Backfill from 1.5 to <br />80 <br />ft. <br />Seal Material Neat Cement <br />J <br />Seal from 80 to <br />83 <br />ft. <br />Seal Material Bentonite <br />K <br />Gravel Pack from 83 to <br />90 <br />ft. <br />Pack Material Lonestar #3 Sand <br />L <br />Bottom Seal None <br />ft. <br />Seal Material <br />M <br />Note: Depths measured from initial ground surface <br />V1 <br />Gettler - Ryan, Inc. <br />Proposed Well Construction Detail <br />Former Chevron Service Station #9-5775 <br />301 West Kettleman Lane <br />FIGURE <br />5 <br />6747 Sierra Ct., Suite J (925) 551-7555 <br />Dublin, CA 94568 <br />Lodi, California <br />JOB NUMBER <br />REVIEWED BY DATE REVISED DATE <br />REVISED DATE <br />346408.09 <br />3/00 <br />