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r <br /> WEGE WELL CONSTRUCT'ION LOG <br /> PROJEC�NAME SANCHEZ MONITOR WELL NUMBER RI-A <br /> 1879 ountry Club Blvd , Stockton TOP OF CASING ELEVATION <br /> PROJECTNUMBER DATECOMPLETED April 9,2001 <br /> WELLTYPE GROUNDWATER MONITORING IRECOVERYWELL <br /> REMARKS: WELL INSTALLED THROUGH 10 INCH HOLLOW STEM AUGERED <br /> BORING <br /> TYPICAL MONITORING <br /> WELL <br /> WELL CONSTRUCTION <br /> 7 <br /> 1 oT ta p I De th of hole 17 FT <br /> 2 Dlameterof boring 101NCH <br /> 5 8 3 Casinglength 17 FEET'4 <br /> 4 Dlameterof casing 41INCH <br /> 5 Depth to top of screen 12 FEET <br /> 6 Length of screen 5 FEET. <br /> screen interval 12'-17.0" <br /> screen type MONOFLEXF480 <br /> - i screen size 0.010" <br /> 3 <br /> 7 Surfaceseal s''TRAFFICBOX <br /> seal material CONCRETE <br /> — 8 Backfill 6"-9' <br /> seal material NEATCEMENT <br /> 9 Upperseal 91- 11 <br /> seal material BENTONITE <br /> 10 Lower seal <br /> seal material <br /> 2 11 Annulus <br /> material #2112 SAND <br /> NOTE Well constructed with poly-vinyl chloride(PVC) <br /> casingwith threaded bottom cap and slip on top cap <br /> Also, PVC steam cleaned before constructing each well <br /> Traffic boxes are water tight and locked for security <br />