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MONITORING WELL CONSTRUCTION DETAILS _ <br /> PROJECT: Shell Station Pershing, Stockton DATE: 07-10-90 <br /> OJECT NO. : 89-016 WELL NO. : MW-2 <br /> UNIVERSAL SURFACE BOX <br /> Diameter: 12" <br /> zzzxx zG-S- xxx Type (flush/above) : flush <br /> 4" PVC Pipe Length Above Ground: flush <br /> WATER PROOF LOCKING CAP Yes, Geostore <br /> STANDPIPE MATERIAL <br /> I' 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: 23 feet <br /> 1 Total Thickness: 23 feet <br /> L3 BENTONITE SEAL <br /> Type: Volclay <br /> Size: 0. 25 inch <br /> Total Thickness: 2 . 0 feet <br /> .I:N .ISN <br /> �Y <br /> .N:N <br /> WELL SCREEN - <br /> .I.N - <br /> • �' Type Material : PVC Schedule 40 <br /> Diameter: 4" inch <br /> Joint Type: flush threaded <br /> � • Slot Size: 0. 020 inch <br /> hify . .N <br /> Total Length: 20 feet <br /> .44 <br /> • - Depth to Bottom: 45 feet <br /> GRAVEL PACK <br /> •I.N ..I.1 <br /> •=:y .. :N;N Type Material: #3 lonestar <br /> Total Thickness: 22 . 5 feet <br /> � • Depth to Bottom: 45. 5 feet <br /> MI.-1411 1./ uN i l <br /> Distance Above Screen: 2 feet <br /> TOTAL DEPTH OF WELL: 45 feet <br /> LI 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: 7-10-90 <br />