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WELL CONSTRUCTION DETAIL <br />M <br />�B� <br />A <br />Total Depth Of Boring 65 <br />ft. <br />B <br />Diameter Of Boring 8 <br />in. <br />Drilling Method Hollow—stem Auger <br />C <br />Top Of Box Elevation <br />ft. <br />❑ Referenced To Mean Sea Level <br />❑ Referenced To Project Datum <br />D <br />Casing Length 50 <br />ft. <br />Material Schedule 40 PVC <br />E <br />Casing Diameter 2 <br />in. <br />F <br />Depth To Top Perforations 30 <br />ft. <br />G <br />Perforated Length 20 <br />ft. <br />Perforated Interval From 30 to 50 <br />ft. <br />Perforation Type Machine slotted <br />Perforation Size 0.02 <br />in. <br />H <br />Surface Seal From 0 to 1 <br />ft. <br />Seal Material Concrete <br />Backfill From 1 to 25 <br />ft. <br />Backfill Material Neat Cement <br />J <br />Seal From 25 to 28 <br />ft. <br />Seal Material Bentonite <br />K <br />Gravel Pack From 28 to 50 <br />ft. <br />Pack Material Lonestar #2/12 <br />L <br />Bottom Seal 15 <br />ft. <br />Seal Material Bentonite <br />M <br />Vault Box, Locking Well Cap, Lock <br />Note: Depths Measured From Initial Ground Surface. <br />Ge tt/er - Ryan Inc. PROPOSED WELL CONSTRUCTION DETAIL <br />Former Chevron Service Station No. 9-5775 <br />3164 Gold Camp Drive, Suite 240 301 West Kettleman Lane 3 <br />Rancho Cordova, CA 95670 Lodi, California <br />JOB NUMBER REVIEWED BY DATE REVISION DATE <br />346408 11/98 <br />