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MONITO ING WELL CONSTRUCTION DETAIL <br /> M <br /> E C A Total Depth of Boring 80 ti. <br /> B Diameter of Boring 8 in. <br /> H Drilling Method HSA <br /> C Top of Box Elevation to be surveyed ft. <br /> �X Referenced to Mean Sea Level <br /> Referenced to Project-Datum <br /> D Casing Length 80 tt. <br /> Material Schedule 40 PVC <br /> F E Casing Diameter 2 <br /> F Depth to Top Perforations 60 It. <br /> G Perforated Length 20 ft. <br /> Perforated interval from 60 to 80 it. <br /> Perforation Size 0.02 i n. <br /> D <br /> A H Surface Seal from 0 to 1 it. <br /> Seal Material concrete <br /> I Backfill from 1 to 56 11. <br /> Seal Material neat cement <br /> J Seal from 56 to 58 It. <br /> Seal Material hydrated bentonite <br /> K <br /> K Sand Pack from 58 to 80 It. <br /> G Pack Material Lonestar#2/12 sand <br /> L Bottom Seal N/A tt. <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 /> WINZLERLSzKELLY Proposed Monitoring Well FIGURE <br /> Construction Details <br /> 3831 N.Freeway Blvd,Suite 220 Former Blue Star Gasoline Station <br /> Sacramento,CA 95834 4040 East Main Street 4 <br /> (916)372-6606 Stockton,California <br /> JOB NUMBER REVIEWED BY DATE REVISED DATE REVISED DATE <br /> 03009-10016 JD Aug-11 <br />