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UTILITY Box <br /> GROUND LOCKING CAP <br /> SURFACE <br /> ..... ...... <br /> CEMENT BENTONITE "" " %% ;;; I1fiNCH <br /> GROUT %%:: :: ;; DIAMETER <br /> (3% BENTONITE) BOREHOLE <br /> I:-{.INCH <br /> DIAMETER <br /> CONDUCTOR <br /> ATD :; :;; <br /> .,,. „ CASING(TIED INTO A•8 AQUTTARD) <br /> 11-zt <br /> BENTONITE WW;`INCH <br /> DIAMETER <br /> SEAL BOREHOLE <br /> 6 INCH <br /> DIAMETER <br /> BLANK PVC <br /> CASING <br /> SAND PACK <br /> -INCH <br /> DIAMETER <br /> PERFORATED <br /> PVC CASING <br /> BOTTOM SCREW CAP <br /> OR-SILT TRAP <br /> AS APPROPRIATE <br /> a <br /> J <br /> NOT TO SCALE <br /> Figure B-2 : TYPICAL DOUBLE-CASED B-ZONE MONITORING WELL CONSTRUCTION <br /> i <br /> Project No. 3966 LINCOLN CENTER. STOCKTON. CALIFORNIA <br /> LEVINE•FRICKE <br /> ENCHEE$Mppp,EpEOG6TS h w➢ot60 SCiENrts+ I" <br /> I( <br />