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i <br /> I <br /> i <br /> } <br /> WELL CONSTRUCTION DETAIL <br /> A Total Depth of Boring 90 ft. <br /> `"' ' E C B Diameter of Boring 8 in. <br /> i Drilling Method Hollow-stem auger _ <br /> H C Top of Casing Elevation ft. <br /> Referenced to Mean Sea Level <br /> Referenced to Project-Datum <br /> D Casing Length s0 ft. <br /> Material Schedule 40 PVC <br /> E Casing Diameter 2 in. <br /> F Depth to Top Perforations 85 ft. <br /> G Perforated Length 5 ft. <br /> Perforated interval from 85 to 90 R <br /> Perforation Size 0.02 in. <br /> H Surface Seal from 0 to 1.5 ft. <br /> ,1 Seal Material Concrete <br /> D <br /> A t Backfill from 1.5 to 78 ft. <br /> Seal Material Neat Cement <br /> J Seal from 78 to 83 ft. <br /> Seal Material Bentonite <br /> K Gravel Pack from 83 to 90 1 <br /> Pack Materiai Lonestar#3 Sand <br /> K L Bottom Seal None ft. <br /> G = Seal Material <br /> M Water resistant well box,locking well cap,lock <br /> Note: Depths measured from initial ground surface. <br /> L <br /> B <br /> i <br /> i <br /> Proposed Well Construction Detail FIGURE <br /> G ErnER- RYAN, INC. <br /> NC. Fortner Unocal Station No.2859 <br /> ' 8747 sly.a,SUM J (M)551-1655 1655 Pacific Avenue 4 <br /> OubhLCA94565 Stockton,California <br /> JOB NUMBER REVIEWED BY DATE REVISED DATE REVISED DATE <br /> 240079.04 02/01/01 <br />