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Ah dh <br /> PROPOSED MICTNITORING WELL CONST UCTION DETAIL <br /> E IS A Total Depth of Boring 50 ft. <br /> B Diameter of Boring 8 in. <br /> H Drilling Method HSA <br /> C Top of Box Elevation to be surveyed ft. <br /> Referenced to Mean Sea Level <br /> Referenced to Project-Datum <br /> D Casing Length 25 ft. <br /> Material Schedule 40 PVC <br /> F E Casing Diameter 2 in. <br /> F Depth to Top Perforations 25 ft. <br /> G Perforated Length 25 ft. <br /> Perforated Interval from 25 to 50 ft. <br /> Perforation Size 0.02 in. <br /> D � <br /> H Surface Seal from 0 to 0.5 ft. <br /> A Seal Material concrete <br /> I Backfill from 0.5 to 21 ft. <br /> Seal Material neat cement <br /> J Seal from 21 to 23 ft. <br /> Seal Material hydrated bentonite <br /> K K Sand Pack from 23 to 50 ft. <br /> G = Pack Material Lonestar#2/12 sand <br /> L Bottom Seal N/A ft. <br /> Seal Material N/A <br /> M Traffic-rated,water-resistant, steel well box. <br /> Locking expandable well plug with lock. <br /> L <br /> B <br /> Note: Depths measured from initial ground surface. <br /> GXD Inc.3831 N.Freeway Blvd Suite 220 Proposed Monitoring Well FIGURE <br /> Sacramento CA 95834 USA Construction Details <br /> 7 1 916 372 6806 Siebold <br /> Wvmv.ghd.wm 820 South American Street 3 <br /> Stockton, California <br /> JOB NUMBER REVIEWED BY DATE REVISED DATE REVISED DATE <br /> 03009-10017 RC Feb-14 Feb-14 <br />