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WEGE WELL CONSTRUCI`ION LOG <br /> PROJECT NAME SANCHEZ MONITOR WELL NUMBER PZ2-13 <br /> 1876 Country Club Blvd , Stockton TOP OF CASING ELEVATION 3.30 <br /> PROJECTNUMBER DATECOMPLETED JANUARY? 2003 <br /> WELLTYPE PIEZOMETER <br /> REMARKS WELL INSTALLED THROUGH 8 INCH HOLLOW STENT AUGERED <br /> BORING <br /> TYPICAL MONITORING <br /> WELL <br /> 7 I WELL CONSTRUCTION <br /> 1 Total Depth of hole 28 FT <br /> 2 Diameterof boring 81NCH <br /> 5 � <br /> 8 3 Casing length 28 FEET <br /> 4 Dlameterof casing 21NCH <br /> 5 Depth to top of screen 25 FEET <br /> ib-- -- 6 Length of screen <br /> 3 FEET <br /> screen interval 25'-28' <br /> screentype MONOFLEXF480 <br /> 1 screen size ^ 0.020 INCH <br /> 7 Surfaceseal 8"TRAFFICBOX <br /> seat materlaL CONCRETE <br /> tt 6 <br /> 8 Backfill 6"-5' <br /> i <br /> seal material NEATCEMENT <br /> 9 Upperseal 5'- 24' <br /> seal material BENTONITE <br /> 10. Lower seal <br /> -- - seal material <br /> 2 11. Annulus 240- 28P <br /> material #3 SAND <br /> NOTE Well constructed with poly-vinyl chloride(PVC) <br /> casing with threaded bottom cap and slip on tap cap <br /> Also, PVC steam cleaned before constructing each well <br /> Traffic boxes are watertight and locked for security <br />