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PIEZOMETER P-1 <br />Record Drawing <br />Ground Surface <br />3' <br />Bentonite Pellets <br />5° Dia. Protective Steel Casing <br />with Locking Cover <br />i <br />Concrete pad +3' _ <br />(approx.) <br />Sandstone <br />(Code1Q <br />Shale <br />(Blue Hill) <br />81ank Sch. 40 PVC Casing <br />15'-:' (1.5"dial <br />"~-- 6"dia. borehole <br />Fixer Pack <br />(Colorado Silica 8-12) <br />24'- <br />~ Protective boulders placed <br />around piezometers <br />Cement/Bentonfte Grout <br />;rforated Sch. 40 PVC <br />.5° dia.. 1/8"drilled holes) <br />NOT TO SCALE <br />