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[7 <br />C <br />D <br />u <br />D <br />u <br />u <br />C <br />C' <br />i <br />r <br />WELL DETAILS <br />939-02.06 P-2 <br />PROJECT NUMBER BORING /WELL NO. <br />PROJECT NAME Landfill Development TOP OF CASING ELEV. 108.36 <br />on COUNTY San Joaquin GROUND SURFACE ELEV. 107.72 <br />A..oc <br />WELL PERMIT NO. 87-2086 DATUM Mean Sea Level <br />M Steel protective <br />casing (Std_) <br />EXPLORATORY BORING <br />a. Total depth 40.5 ft. <br />b. Diameter 8 in. <br />Drilling method Hollow -Stem Auger <br />WELL CONSTRUCTION <br />c. Casing length <br />Material Schedule 40 PVC <br />d. Diameter 2 in. <br />e. Depth to top perforations 31.5 ft. <br />f. Perforated length 8 ft. <br />Perforated interval from 3.• 5 to 39.5 ft. <br />Perforation type Machined Slots <br />Perforation size .020 inch <br />g. Surface seal 1 ft. <br />Seal material Cement/Bentonite <br />h. Backfill 27 ft. <br />Backfill material Cement/Bentonite <br />i. Seal fit. <br />Seal material Bentonite Pellets <br />j. Gravel pack 9.5 ft. <br />Pack material No -3 Sand <br />k. Bottom seal <br />Seal material Bentonite Pellets <br />I. Casing height • 8 ft. <br />m. Protective casing diameter 5 in. <br />40.3 ft. <br />