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MONITORING WELL CONSTRUCTION DETAILS <br /> PROJECT: Shell Station Pershing, Stockton DATE: 07-09-90 <br /> ECT NO. : 89-016 WELL NO. : MW-1 <br /> UNIVERSAL SURFACE BOX <br /> Diameter: 12" <br /> zzZzz zG-S- xzz Type (flush/above) : flush <br /> 4" PVC Pipe Length Above Ground: flush <br /> WATER PROOF LOCKING CAP Yes, Geostore <br /> i <br /> STANDPIPE MATERIAL <br /> L2 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 /> L BENTONITE SEAL <br /> Type: Volclay <br /> Size: 0 . 25 inch <br /> Total Thickness : 1. 5 feet <br /> ..fat NiN <br /> 1-1 Mt Mt i.1 <br /> WELL SCREEN - <br /> .t.f :. Type Material : PVC Schedule 40 <br /> ♦Y <br /> L .N.. Diameter: 4" inch <br /> IN..f .ta•1 <br /> Joint Type: flush threaded <br /> Slot Size: 0. 020 inch <br /> IN.t .N iN <br /> Total Length: 20 feet <br /> J5 :t;" Depth to Bottom: 50 feet <br /> .li i .H IN <br /> ;- GRAVEL PACK <br /> Mf.t .N IN <br /> • •- Type Material : #3 lonestar <br /> .t..f .. . ..N.N <br /> - • - Total Thickness: 23 .5 feet <br /> .!.-I. Depth to Bottom: 51.5 feet <br /> Distance Above Screen: 2 feet <br /> .w•i - <br /> TOTAL DEPTH OF WELL: 50 feet <br /> 91 51.5 ft. TOTAL DEPTH OF BORING: 51. 5 feet <br /> 2 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 /> L5 20 ft. DATE COMPLETED: 7-9-90 <br />