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UTILITY BOX <br /> GROUND LOCKING CAP <br /> SURFACE <br /> ..... .,.,., <br /> .... .. .. ..., <br /> 16-INCH <br /> .... ., ,. ,,. <br /> CEMENT BENTONITE DIAMETER <br /> GROUT <br /> BOREHOLE <br /> .... .. .. ... <br /> (3% BENTONITE) <br /> .... .. „ ... <br /> .... .. ,. ,.. <br /> 12-INCH <br /> .... .. ,. , . <br /> DIAMETER <br /> .... .. ,. ... <br /> CONDUCTOR <br /> .... .. „ ... <br /> CASING(TIED INTO A-B AQUITARD) <br /> ATD <br /> .,,. .. .. ,,. <br /> „ <br /> 9-10-INCH <br /> BENTONITE DIAMETER <br /> SEAL BOREHOLE <br /> 4-5-INCH <br /> DIAMETER <br /> BLANK PVC <br /> CASING <br /> SAND PACK <br /> 4-5-INCH <br /> DIAMETER <br /> PERFORATED <br /> PVC CASING <br /> BOTTOM SCREW CAP <br /> OR SILT TRAP <br /> AS APPROPRIATE <br /> 0 <br /> P <br /> q <br /> S <br /> C <br /> V <br /> a <br /> NOT TO SCALE <br /> 0 <br /> P <br /> Figure B-2 : TYPICAL DOUBLE-CASED B-ZONE MONITORING WELL CONSTRUCTION <br /> Project No. 3966 LINCOLN CENTER, STOCKTON, CALIFORNIA L E V I N E•F R I C K E <br /> ErvGwEE4S.HVOROGEOtOG6R h nPPUE�sciEr+r¢rs <br />