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Monitoring Well TW-3 Construction Diagram <br /> Locking steel <br /> cover <br /> Ground surface <br /> 2-inch Sch. 40 blank casing Well cap <br /> Cement grout <br /> (5%bentonite) —2 feet below ground surface <br /> Transition seal —a feet <br /> (bentonite chips) <br /> —4 feet <br /> 8-inch diameter borehole <br /> No. 1/20 filter sand <br /> 2-inch Sch.40 well screen _ <br /> (0.01-inch slot) <br /> End cap —14 feet <br /> —15 teat <br /> Not to scale <br /> TW-3 WELL CONSTRUCTION DIAGRAM Figure <br /> Surland Homes Property3 <br /> GEDMATRIX Tracy, California Project No. <br /> eu>eoryoa..a 4780 <br />