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WEGE WELL CONSTRUCTION LOO <br /> PROJECT NAME SANCHEZ MONITOR WELL NUMBER RI-B <br /> 1879 Country Club Blvd , Stockton _ TOP OF CASING ELEVATION <br /> PROJECT NUMBER DATE COMPLETED April 9 2001 <br /> WELLTYPE GROUNDWATER MONITORING/RECOVERY WELL <br /> REMARKS: WELL INSTALLED THROUGH 10 INCH HOLLOW STEM AUGERED <br /> BORING <br /> TYPICAL MONITORING <br /> WELL <br /> 7 f WELL CONSTRUCTION <br /> 1 Total Depth of hole 29 FT <br /> 2 Diameterof boring _'FINCH <br /> $ 3 Casing length 29 FEET' <br /> 5 4 <br /> 4 Diameterof casing 6INCH <br /> 5 Depth to top of screen 21 FEET <br /> 9 8 FEE'S <br /> ro -- 6 Length of screen <br /> screen interval 21'-29.0' <br /> - t screen type MONOFLEXR80 <br /> 3 screen size 0,020" <br /> 7 Surface sea I 8"TRAFFIC BOX <br /> seal material CONCRETE <br /> 6 <br /> 11 8 Backfill 6 <br /> seal material NEATCEMENT <br /> 9 Upperseal 1S% 20' <br /> seal material BENTONITE <br /> _4- 10 Lower seal <br /> seal material <br /> 2 <br /> 11 Annulus 20'- 29' <br /> material 93 SAND <br /> DOTE: Well constructed with poly-vinyl 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 water tight and locked for security <br />