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Y <br /> t <br /> CONCRETE APRON TRAFFIC RATED WELL COVER <br /> f <br /> SURFACE GRADE <br /> WATER TIGHT LOCKING <br /> 7 r i <br /> Grout Seal 1 to 11 feet <br /> (Schedule 40) Blank PVC Casing <br /> 0 5 To 15 Feet <br /> Bentonite Plug 11 To 13 Feet <br /> Filter Pack (#3 Sand) <br /> (Schedule 40) 0 010 Slotted PVC Screen 13 To 35 Feet <br /> 15 To 35 Feet <br /> i <br /> 8—Inch Boring Diameter <br /> z <br /> Not To Scale <br /> All Measurements Depicted As Feet Below Surface Grade <br /> 140P <br /> ROPOSED GROUND WATER MONITORING WELL DESIGN & ,4dV-?DCed <br /> Sierra Lumber GeoEnvrronmInc <br /> Of Northern C&GtorRIJ <br /> ni+ <br /> 375 West Hazelton Avenue PROJECT NO AGE-99-0448 FILE Sierra4d FIGURE <br /> Stockton, California DATE 02 March 1999 DRAWN BY MAC 4 <br />