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. WEGE WELL CONSTRUCTION LOG <br /> PROJECT NAME REGAL STATION 603 MONITOR WELL NUMBER Mw-5 <br /> 6425 PACIFIC AVENUE, STOCKTON, CA TOP OF CASING ELEVATION 9 77' <br /> PROJECT NUMBER DATE COMPLETED 2-21-89 <br /> WELL TYPE MONITOR WELL(WATER) <br /> REMARKS: 12 BAGS CLEAN •3 MONTEREY SAND 112 BUCKET BENTONITE PELLETS i0 <br /> BAGS NEAT CEMENT WITH 5% BENTONITE POWDER 30' of 4" SCH 480 SLOTTED PVC <br /> CASING, 35' of 4' SCH 480 BLANK PVC CASING, 1 WATER TIGHT SECURED TRAFFIC BOX <br /> TYPICAL MONITORING WELL <br /> 7WELL CONSTRUCTION <br /> ----- --- -- ------ 1 Total Depth of hole 65' <br /> 2 Diameter of boring 10" <br /> a 3 Casing length 65' <br /> 5 4 <br /> 4 Diameter of casing 4" <br /> 5 Depth to top of screen 35' <br /> S <br /> io - 6 Length of screen 30' <br /> --- - -- screen Interval 35'-65' <br /> screen type machine cut slot <br /> - 1 screed Size 0 02' <br /> 3 <br /> 7 Surface seal 0-1 5' <br /> seal material concrete <br /> 91 6 <br /> 8 Backfill material 1 5'-27' <br /> seal material neat cement <br /> 9 Upper seal <br /> seal material <br /> ___ 10 Lower seal 27'-28' <br /> ----------- seal material bentonite pellets <br /> I 1 ru U I U.IA GO -%p <br /> material clean *3 Monterey sand <br /> NOTE: Each well constructed with poly-vinyl chloride (PVC) <br /> casing with threaded bottom caps and threaded top caps <br /> Also, PVC steam cleaned before constructing each well- <br /> Traffic boxes are water tight and locked for security <br />