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Feb-24-06 12 :02P Ligh' Air, & Space Const 408 "9 0621 P . 02 <br /> Existing Grade <br /> J <br /> 1' J <br /> r „ Vault box with locking security <br /> ----- Concrete <br /> Cement Grout, placed by tremle line <br /> from bottom to top. <br /> Notes. <br /> Groundwateris anticipated to <br /> OCCur at about 25 to 40 feet <br /> below surface <br /> Borehole wN be advanced 10 feet ' 2-inch Sch. 40 PVC Blank Casing <br /> into groundwater or to the aquitard <br /> whichever is encountered first. <br /> Bentonite Clay, typ. 2-feet thick <br /> to prevent grout invasion opf sand pack <br /> 5' <br /> -------- Sand pack, nominal 2/12 or#3, extended <br /> 0 about 2-feet above top of slots <br /> 2-inch Sch. 40 PVC casing, <br /> Aquifer ----r <br /> Strata nominal 0.020" slots <br /> '. Sch. 40 PVC endcap <br /> 10' <br /> Aquitard <br /> Hollowstem Auger Borehole, <br /> nominal 8" diameter <br /> Note, This well detail is schematic only. The actual <br /> monitoring well construction will be modified to field <br /> conditions observed in the exploratory borehole. well slots <br /> will be raised to observe for separate phase <br /> product to the point where well seals are not <br /> compromised. Proposed Monitoring <br /> Construction modifications may also be made prior Well Schematic Project No. LA&S <br /> to installation by San Joaquin County regulatory permit. ScaleAs Shown <br /> 15589 McKinley Ave Date; Feb. 2006 <br /> Mantica. CA <br /> Figure I <br />