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1 <br /> VW- 6 <br />' 2—INCH PVC BALL VALVE <br />' CONCRETE APRON TRAFFIC RATED WELL COVER <br /> SURFACE GRADE <br /> 0 <br /> ISchedule 40, 4—Inch Diameter Well Casing <br />' Grout Seal (Portland Cement) <br /> 15 Foot to B 5 Feet <br /> PVC Blank Well Casing <br /> Ifrom 1 Foot to 10 Feet <br /> Transition Seal (Bentonite Chips) <br /> 8 5 Feet to 9 Feet <br /> Y i <br /> S, S, <br /> i+ <br /> :r :r <br /> v <br /> a <br /> M R <br /> sir � <br /> A �iP <br /> (Schedule 40) 0020-Inch Slotted PNC Screen .+_ V Filter Pack (#2/12 Monterey Sand) <br /> 10 Feet to 26 Feet + '• 9 Feet to 25 Feet <br /> n- n„ <br /> t . <br /> r� <br /> y, ,3 <br /> 8—Inch goring Diameter <br /> I <br /> INot To Scale <br /> All Measurements Depicted As Feet Below Surface Grade <br /> SOIL VAPOR EXTRACTION WELL DESIGN: VW--6 4dvarnced <br /> SIERRA LUMBER GeoEnvironmental, Inc. <br /> a <br /> 375 WEST HAZELTON AVENUE PPOA f NO AGE-98-0448 rux SVEe <br /> STOCKTON, CALIFORNIA DATE 12 AUGUST 2004 DRAWN BY MAC 4 <br />