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Top of PVC Casing --1 72"IMCO WHEATON A-721 MANHOLE <br /> WITH WATERPROOF COVER <br /> Elevation Concrete Base <br /> U <br /> Ground Surface <br /> LOCKING EXPANSION <br /> WELL CAP <br /> 1 01 <br /> ......... ....... <br /> ....... --- <br /> 51.0' ------- <br /> 8 IN. DIAMETER BORING <br /> 2 IN. DIAMETER SCHEDULE 40 <br /> 55.0' WELL CASING <br /> CEMENT/BENTONITE SANITARY SEAL <br /> 2.0' <br /> BENTONITE PELLET SEAL <br /> 2.0' <br /> 70.0' <br /> 70.5' <br /> 15.0' <br /> SAND FILTER PACK <br /> (size: Monterey#3) <br /> 2 IN. DIAMETER SCHEDULE 40 <br /> PVC WELL SCREEN <br /> (0.020 slot size) <br /> 0.5- <br /> BOTTOM CAP <br /> 0.01 <br /> NOT TO SCALE <br /> Harding Lawson Associates Typical Well Construction Detail PLATE <br /> Engineering and Cozad Trailer <br /> Environmental Services 4907 East Waterloo Road <br /> Stockton, California <br /> DRAWN JOB NUMBER ED DATE REVISED DATE <br /> 20548,001.03 6/27/91 <br /> RHC Z <br />