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a <br /> MONITORING WELL CONSTRUCTION DETAILS _ <br /> PROJECT: Shell Station Pershing, Stockton DATE: 07-09-90 <br /> PROJECT NO. : 89-016 WELL NO. : MW-1 <br /> UNIVERSAL SURFACE BOX <br /> Diameter: 12" <br /> xxzxx 03-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 /> 04g I <br /> L 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: 26.5 feet <br /> 1 Total Thickness: 26. 5 feet <br /> L3 BENTONITE SEAL <br /> Type: Volclay <br /> Size: 0 . 25 inch <br /> Total Thickness: 1.5 feet <br /> WELL SCREEN <br /> Type Material: PVC Schedule 40 <br /> L Diameter: 4" inch <br /> • ,' "" Joint Type: flush threaded <br /> Slot Size: 0 . 020 inch <br /> i <br /> Total Length: 20 feet <br /> L5 ` Depth to Bottom: 50 feet <br /> GRAVEL PACK <br /> i <br /> 1 " Type Material: #3 lonestar <br /> i <br /> •"' "" Total Thickness: 23 . 5 feet <br /> •'•'•"';"""' Depth to Bottom: 51. 5 feet <br /> Distance Above Screen: 2 feet <br /> TOTAL DEPTH OF WELL: 50 feet <br /> L1 51 . 5 ft. TOTAL DEPTH OF BORING: 51. 5 feet <br /> L2 26 . 5 ft. DIAMETER OF BORING: 10 inch <br /> L3 28 ft. METHOD OF DRILLING: HSA <br /> L4 50 ft. DATE STARTED: 7-9-90 <br /> I L5 20 ft. DATE COMPLETED: 7-9-90 <br />