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r`*,MCE AND TECHNOLOGY CORP. PIEZOMETER / WELL INSTALLATION LOG N 0 . MT-6 <br /> N <br /> CLIENT PROJECT PROJECT NO. <br /> Marley Cooling Tower Company MCTC - Contract 13, Phase I 11654.682 <br /> PROJECT LOCATION COORDINATES TOP OF RISER ELEVATION DATE <br /> Stockton, California Not determined Not determined 4/13/91 <br /> STRATUM MONITORED INSPECTOR <br /> Sand, Clayey Silt M. Williams <br /> CHECKED BY APPROVED BY <br /> M. Williams E. Meyer <br /> -0.15' GROUND SURFACE ELEVATION Not determined <br /> X.I <br /> : : TYPE OF SEAL Cement-Bentonite Grout <br /> 76.3' h' <br /> I.; 2.5" Nominal Sch. 80 <br /> O.D. & TYPE OF <br /> Aluminum <br /> I:? RISER PIPE <br /> 88.3' <br /> Bentonite Pellets <br /> 2.0' TYPE OF SEAL <br /> P <br /> J. <br /> 2.5" Nominal Sch. 80 <br /> TYPE AND SIZE OF PVC with 0.01" slots <br /> 88. 5' SCREEN OR OPENINGS <br /> 76.3'-80.0' Lone Star <br /> 9 6, #3 Silica Sand <br /> 80.0'-88.5' Natural <br /> Sand <br /> TYPE OF FILTER <br /> F• <br /> ''• Bentonite Pellets <br /> 12.10 ' TYPE OF SEAL <br /> DIAMETER OF BOREHOLE 5-1/2" <br /> METHOD OF INSTALLATION: Boring drilled to completion, bottom 12.0' sealed with bentonite; <br /> set riser pipe and screen; pulled dual wall casing; placed filter and seal ; grouted <br /> to 1' below surface. <br /> REMARKS. Well developed by bailing 5 well volumes of water. Flush mounted, 12" diameter <br /> iron manhole frame and casing installed and concreted in place. <br />