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lop <br /> WEGE WELL CONSTRUCTION LOG <br /> PROJECT NAME REGAL STATION 603 MONITOR WELL NUMBER MW-4 <br /> 6425 PACIFIC AVENUE, STOCKTON, CA TOP OF CASING ELEVATION 9 51' <br /> PROJECT NUMBER DATE COMPLETED 2-17-89 _ <br /> WELL TYPE MONITOR WELL (WATER) <br /> REMARKS: 12 BAGS CLEAN *3 MONTEREY SAND, 112 BUCKET BENTONITE PELLETS 10 <br /> BAGS NEAT CEMENT WITH 5% BENTONITE POWDER 30' 01 4" SCH 480..0 02" SLOTTED PVC <br /> CASING, 35' OF 4" SCH 480 BLANK PVC CASING, 1 WATER TIGHT SECURED TRAFFIC BOX <br /> TYPICAL MONITORING WELL <br /> 1 WELL CONSTRUCTION <br /> 1 Total Depth of hole es' <br /> 2 Diameter of boring 10" <br /> 5 8 3 Casing length 65' <br /> 4 <br /> 4 Diameter of casing 4" <br /> 5 -Depth to top of screen 35' <br /> 9-- -- 6 Length Qf screen 30' <br /> 10 <br /> -- --------- screen interval 35'-65' <br /> "r screen type machine cut slot <br /> va 1 screen Size 0 02" <br /> u <br /> 3 <br /> 7 Surface seal 0-1 5' <br /> :n <br /> seal material concrete <br /> 6 <br /> 11 8 Backfill material 1 5'-28' <br /> uY <br /> n.4 seal material Neat cement <br /> =� 9 Upper seal <br /> V{ seal material <br /> 10 Lower seal 28'-29' <br /> ------------ seal material Bentonite Pellets <br /> 2 11 Annulus 29'-65' <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 /> i h <br /> r <br />