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TRAFFIC RATED WELL COVER <br /> WATER TIGHT LOCKING CAP 4-INCH DIAMETER WELL CASING <br /> SURFACE GRADE <br /> Grout Seal (Portland Cement) <br /> 1 to 36 Feet <br /> (Schedule 40) Blank PVC Casing <br /> 0 5 To 40 Feet <br /> Transition Seal (Bentonite Pellets) <br /> 36 To 3B Feet <br /> Filter Pack (#3 Sand) <br /> (Schedule 40) 0 020-Inch Slotted PVC Screen 38 To 50 Feet <br /> 40 To 50 Feet <br /> 10-Inch Boring Diameter <br /> Not To Scale <br /> All Measurements Depicted As Feet Below Surface Grade <br /> PROPOSED OBSERVATION WELL DESIGNAdvanced <br /> FLAG CITY CHEVRON A GeoEnvironmental, Inc <br /> 7 � o!Norlhern Cr/�lorpir <br /> 6421 CAPITOL AVENUE PROJECT NO AGE-96-0232 FILE XWELL4 FIGURE <br /> LODI, CALIFORNIA DATE it JULY 2000 I DRA%N BY MAC 4 <br />