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WEGE WELL CONSTRUCTION LOG <br /> PROJECTNAME SANCHEZ MONITORWELL NUMBER MW7-B <br /> 1879 Country Club Blvd , Stockton TOP OF CASING ELEVATION <br /> PROJECTNUMBER DATECOMPLETED A ri110 2001 <br /> WELLTYPE GROUNDWATER MONITORING WELL <br /> REMARKS. WELL INSTALLED THROUGH 8 INCH HOLLOW STEM AUGERED <br /> BORING <br /> TYPICAL MONITORING <br /> WELL <br /> WELL CONSTRUCTION <br /> 7 <br /> 1 Total Depth of hole 28 FT <br /> 2 Diameterof boring 81NCH <br /> 8 3 Casing length 28 FEET <br /> 5 4 <br /> 4 Diameter of casing 21NCH <br /> i 5 Depth to top of screen 20.5 FEE <br /> 9 7.5 FEET <br /> io 6 Length of screen <br /> - screen interval 20.5'-28.01 <br /> screentype MONOFLEXF480 <br /> screen size 0.0201NCH <br /> 3 <br /> 7 Surfaceseal 8"TRAFFICBOX <br /> seal material CONCRETE <br /> 1� 68 Backfill 6"-18` <br /> seal material NEATCEMENT <br /> 9 Upper seal 18'- 19 5' <br /> seal material BENTONITE <br /> 10 Lower seal <br /> seal material <br /> 2 11 Annulus 19.5'- 281 <br /> material #3 SAND <br /> NOTE Well constructed with polyvinyl chloride(PVC) <br /> casing with threaded bottom cap and slip on topcap <br /> Also, PVC steam cleaned before constructing each well <br /> Traffic boxes are watertight and locked for security <br />