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• <br /> WEGE WELL CONSTRUCTION LOG <br /> PROJECT NAME REGAL STATION 603 MONITOR WELL NUMBER MW-12 <br /> 6425 PACIFIC AVENUE, STOCKTON CA TOP OF CASING ELEVATION <br /> PROJECT NUMBER DATE COMPLETED 9/2a192 <br /> WELL TYPE MONITOR WELL (WATER) <br /> REMARKS 10 BAGS CLEAN #2/16 MONTEREY SAND 1 BUCKET BENTONITE PELLETS 12 <br /> BAGS NEAT CEMENT WITH 5% BENTONITE POWDER 20' of 4 SCH 480 SLOTTED PVC <br /> CASING, 50' of 4 SCH 480 BLANK PVC CASING, 1 WATER TIGHT SECURED TRAFFIC BOX <br /> TYPICAL MONITORING WELL <br /> 7 ' WELL CONSTRUCTION <br /> 1 Total Depth of hole 70' <br /> i <br /> I <br /> 2 Diameter of boring 10 <br /> € 8 3 Casing length 70' <br /> 4 <br /> 4 Diameter of casing 4 <br /> I <br /> I i 5 Depth to top of screen 50' <br /> 4 I <br /> 10 6 Length of screen 20' <br /> � � � <br /> r , screen Interval 50'-70' <br /> f screen type machine cut slot <br /> I 1 screen size n n1 <br /> 3 <br /> 7 Surface seal 0-1 5' <br /> seal material concrete <br /> 8 Backfill material 1 5'-43 <br /> seal material neat cement — <br /> 9 Upper seal <br /> 43'-45 <br /> seal material bentonite pellets <br /> E 3 <br /> 3 1 <br /> 11-1 LOWer seal - <br /> - t - seal material <br /> 2 <br /> 11 Annulus 45'-70' <br /> material clean #2116 Monterey sant <br /> NOTE WELL SECUR€TY IS CONCRETED 10 STEEL MONUMENT WITH <br /> LOCKING HINDGED LID <br /> WELL IS SECURED WITH LOCKING WATER TIGHT WELL CAP <br />