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PIEZOMETER P-2 <br />Record Drawing <br />Ground Surtace <br />3'- <br />Bentonite Pellets <br />5" Dia. Protective Steel Casing <br />with Locking Cover <br />i <br />Concrete pad +3' ` <br />(aPP~x~ <br />t <br />Sandstone <br />(Codell) <br />Shale <br />(Blue Hill) <br />Blank Sch. 40 PVC Casing <br />(1.5" dia.) <br />21'- . <br />:• f- 6" dia. borehole <br />Finer Pack <br />(Colorado Silica 8-12) <br />31' <br />38' <br />~ Protective boulders placed <br />around piezometers <br />Cement/Bentonite Grout <br />:rtorated Sch. 40 PVC <br />.5° dia., 1/8"drilled holes) <br />NOT TO SCALE <br />