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MONITORING WELL CONSTRUCTION DETAILS <br /> PROJECT: Shell Station Pershing, Stockton DATE: 07-10-90 <br /> PROJECT NO. : 89-016 WELL NO. : MW-2 <br /> UNIVERSAL SURFACE BOX <br /> Diameter: 12" <br /> S , xType (flush/above) : flush <br /> zzzzz 1 PVC Pipe Length Above Ground: flush <br /> WATER PROOF LOCKING CAP Yes, Geostore <br /> STANDPIPE MATERIAL <br /> L Type Material : PVC Schedule 40 <br /> , Diameter: 4" Inch <br /> Joint Type: flush threaded <br /> BACKFILL AROUND RISER <br /> 3` Material Mix: Cement/Bentonite <br /> Total Depth From Surface: 23 feet <br /> 1 Total Thickness: 23 feet <br /> L BENTONITE SEAL <br /> Type: Volclay <br /> Size: 0. 25 inch <br /> Total Thickness: 2 . 0 feet <br /> WELL SCREEN <br /> Type Material : PVC Schedule 40 <br /> L4 Diameter: 4" inch <br /> • • • •= Joint Type: flush threaded <br /> Slot Size: 0 . 020 inch <br /> �'�• Total Length: 20 feet <br /> L5 Depth to Bottom: 45 feet <br /> GRAVEL PACK <br /> Type Material : #3 lonestar <br /> Total Thickness : 22 . 5 feet <br /> • _ ; ""• Depth to Bottom: 45. 5 feet <br /> Distance Above Screen: 2 feet <br /> . TOTAL DEPTH OF WELL: 45 feet <br /> L1 45 . 5 ft. TOTAL DEPTH OF BORING: 45. 5 feet <br /> L2 21 ft. DIAMETER OF BORING: 10 inch <br /> L3 23 ft. METHOD OF DRILLING: HSA <br /> L4 45 ft. DATE STARTED: 7-9-90 <br /> L5 20 ft. DATE COMPLETED: 7-10-94 <br />