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MONITORING WELL CONSTRUCTION DETAILS _ <br /> PROJECT: Shell Station Pershing, Stockton DATE: 07-11-90 <br /> OJECT NO. : 89-016 WELL NO. : MW-3 <br /> UNIVERSAL SURFACE BOX <br /> Diameter: 12" <br /> zzzzx ZG•S• Ozz Type (flush/above) : flush <br /> 4" PVC Pipe Length Above Ground: flush <br /> WATER PROOF LOCKING CAP Yes, Geostore <br /> STANDPIPE MATERIAL <br /> LJ Type Material : PVC Schedule 40 <br /> Diameter: 4" Inch <br /> Joint Type.: flush threaded <br /> BACKFILL AROUND RISER <br /> Material Mix: Cement/Bentonite <br /> Total Depth From Surface: 22 feet <br /> 1 Total Thickness: 22 feet <br /> L BENTONITE SEAL <br /> Type: Volclay <br /> Size_ 0. 25 inch <br /> Total Thickness: 2 . 0 feet <br /> f 1 a• ay... <br /> 1 <br /> .t.t <br /> WELL SCREEN <br /> • Type Material : PVC Schedule 40 <br /> L a..y . , it <br /> aFay ala. <br /> Diameter: 4 inch <br /> Joint Type: flush threaded <br /> a L Slot Size: 0. 020 inch <br /> Total Length: 20 feet <br /> 5 <br /> Depth to Bottom: 45 feet <br /> GRAVEL PACK <br /> .% <br /> Type Material : #3 lonestar <br /> Total Thickness: 21'2" <br /> :.:,:.; ;:, Depth to Bottom: 45'2" <br /> Distance Above Screen: 1 feet <br /> TOTAL DEPTH OF WELL: 45 feet <br /> 1 4512" TOTAL DEPTH OF BORING: 4512" <br /> L2 22 ft. DIAMETER OF BORING: 10 inch <br /> L3 24 £t. METHOD OF DRILLING: HSA <br /> T. 45 ft. DATE STARTED: 7-11-90 <br /> L5 20 ft. DATE COMPLETED: 7-11-90 <br />