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Compliance MONITORING WELL DETAIL <br /> Closure, Inc. <br /> Project Number 12118-2 Boring/Well No. MW-8 <br /> Project Name Quak Stop No. 121 Top of Casing Elev. 29.375 <br /> County Sari Joaquin Ground Surface Elev. 29.640 <br /> Well Permit No. N/A Datum M.S.L. <br /> k Id l <br /> EXPLORATORY BORING <br /> 9 <br /> a. Total depth 23 ft. <br /> b. Diameter 2.5 in. <br /> Drilling method Direct Push <br /> e h <br /> WELL CONSTRUCTION <br /> a <br /> C. Casing length 23 ft. <br /> C <br /> Material 3/4 -inch PVC <br /> d. Diameter 3/4 in <br /> e. Depth to top perforations 13 ft. <br /> r* r•r• <br /> tirVV 1rV <br /> f. Perforated length 1 ft. <br /> r•r• r•r• <br /> i f:� i r• Perforated interval from 13 to 23 ft. <br /> VVV V1� <br /> r•r• r•r• <br /> MVV L•L <br /> Perforation type Machine Slot <br /> LVV 9fV <br /> r+r• r•r+ <br /> V VV V V <br /> r•r• r+r• 0.020 <br /> Perforation size in <br /> r•r• r•r• <br /> 1�V V U tir <br /> r•r• r r• <br /> g. Surface seal 1 ft. <br /> UVV VV <br /> f r•r• r•r• J <br /> Seal material Cement Grout <br /> r•r• r•;` <br /> VVV VV <br /> 4+1rL•— UY <br /> h Backfill 9 ft <br /> VVV V1• <br /> r•r• r•r• <br /> 'S.•VV VY <br /> +=Y+- rYr• Backfill material Portland Cement <br /> r•r• r•r- <br /> r•r• r•r• <br /> ,•�,• �V 1. Seal <br /> r•r• r•r <br /> VVV YV <br /> Seal material Bentonite <br /> 1 lY r•l• <br /> VVV L V <br /> r•r• r•r• j, Gravel pack 12 ft. <br /> UY1^ V V <br /> r•r• r•r• <br /> UVV VV <br /> r•r• r•r•: <br /> Pack material 2/12 Lone Star Sand <br /> r•r• r•r• <br /> TUU u� <br /> r•r• r•r• <br /> water Tight Vault box with lock <br /> k. <br /> �vU vti. <br /> r•r• r•r• <br /> U Y� w U <br /> ;:r f: NOTE: well constructed with 3/4" PVC to <br /> Surface. Perforated section constructed <br /> with 3/4" inside 1 .5" Prepacked with sand. <br /> •r•r• <br /> �b� <br />