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a`"`E '"° TE`""°`°°Y CORP. PIEZOMETER / WELL INSTALLATION LOG <br /> G • N 0 . MT-4 <br /> �M <br /> CLIENT PROJECT PROJECT NO <br /> Marley Cooling Tower Company MCTC - Contract 13, Phase I 11654.682 <br /> PROJECT LOCATIONCOORDINATES TOP OF RISER ELEVATION DATE <br /> Stockton California Not determined Not determined 4/15/91 <br /> STRATUM MONITORED INSPECTOR <br /> Silty Sand Sand Silty Clay, Gravel M. Williams <br /> CHECKED BY APPROVED BY <br /> M. Williams E. Meyer <br /> -0.15' GROUND SURFACE ELEVATION Not determined <br /> / ` <br /> TYPE OF SEAL Cement-Bentonite Grout <br /> 78.5' <br /> 2. 5" Nominal Sch. 80 <br /> O.D. & TYPE OF Aluminum RjcP�a <br /> RISER PIPE <br /> 90.0' <br /> 2 5' Bentonite Pellets <br /> TYPE OF SEAL <br /> 2.5" Nominal Sch. 80 <br /> :r PVC w/ 0.01" Slots <br /> { TYPE AND SIZE OF <br /> 90.5' C? SCREEN OR OPENINGS <br /> 78.5'-81.3' #3 Lone <br /> Star Silica Sand <br /> 9.5' <br /> .r• - 81.3'- 90.5' Natural <br /> TYPE OF FILTER Sand/Gravel <br /> 0.0' TYPE OF SEAL NA <br /> DIAMETER OF BOREHOLE 5-1/2" <br /> METHOD OF INSTALLATION. <br /> Boring drilled to completion; set riser pipe and screen; pulled dual <br /> wall casing; placed filter and seal . Grouted to 2' below surface. <br /> REMARKS. <br /> Well developed by bailing 5 well volumes of water. Flush mounted 12" diameter iron <br /> manhole frame and casing installed and concreted in place. <br />