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"" A"° TECHNOLOQV CORP. PIEZOMETER / WELL INSTALLATION LOG <br /> . • N0 . MT-3 <br /> M <br /> CLIENT PROJECT PROJECT NO <br /> Marley Coolingw - <br /> PROJCCT LOCATION COORDINATES TOP OF RISER ELEVATION DATE <br /> Stockton, California Not determined Not determined 4/17/91 <br /> STRATUM MONITORED INSPECTOR <br /> Silty Sand Sand Gravel M. Williams <br /> CHECKED BYAPPROVED BY <br /> M. Williams E. Meyer <br /> -0.15' GROUND SURFACE ELEVATION Not rleterminpd <br /> TYPE OF SEAL Cement-Rentonite Grout <br /> 79.3' <br /> x <br /> 2.5" Nominal Sch. 80 <br /> E : ?� <br /> O.D. & TYPE OF Aluminum <br /> I'• RISER PIPE <br /> 92.0' <br /> Bentonite Pellets <br /> 3.0' TYPE OF SEAL <br /> µ` 2.5" Nominal Sch. 80 <br /> TYPE AND SIZE OF PVC with 0.01" slots <br /> 95.0' f SCREEN OR OPENINGS <br /> 79.3'-89.0' #3 Lone <br /> 9.5' Star Silica Sand <br /> 89.0'-95.0' Natural <br /> Sand <br /> TYPE OF FILTER <br /> F.. <br /> 0.0' TYPE OF SEAL NA <br /> L— DIAMETER OF BOREHOLE 5-1/2" <br /> METHOD OF INSTALLATION. Boring drilled to completion; set riser pipe and screen; pulled dual <br /> wall casing; placed filter and seal . Grouted to 1' below surface. <br /> REMARKS 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 />