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',110-V_.- 1.2002 4: 16RM I' S Q I I, I11C. <br /> k'% KLEINFELDFR <br /> Al BMph]yTr urv,^!d LOltl�d�1 <br /> t <br /> COP4�1File No. 20744.G01 <br /> September 20, 2002 <br /> Mr. Ken I{jeldsen <br /> Kjeldsen, Sin.nock& Neudeck, Inc. <br /> 711 North Pershing Avenue <br /> Stockton, CA 95201-0844 <br /> Subject: PERCOLATION TESTING <br /> LINDBERG PROPERTY.` <br /> 950 NORTH FINIE ROAD <br /> LINDEN, CALIFORNIA <br /> <1� J <br /> Dear Mr, Kjeldsen: <br /> Kl.einfelder is pleased to present the results of our percolation testing for a proposed parcel split <br /> to be located. at 950 :North Fine Road in Linden, California, On a preliminary basis, we <br /> understand the subject 8-acre project site will be divided into four parcels of 2 acres each. The <br /> site is currently wideveloped farmland. <br /> Dining the time of our investigation, groundwater was not encountered in any of our borings. <br /> Lines of Equal Depth to Groundwater contour maps published in groundwater reports by the San <br /> Joaquin County Flood Control and Water Conservation District show groundwater levels in the <br /> project area ranging from about 120 to 170 feet below ground surface from Spring 1981 to <br /> Spring 1999. <br /> The subsurface conditions at the site were explored for our current study on August 23 and <br /> September 3, 2002, by drilling percolation borings to depths of between about 1.0 and 25 feet <br /> below site grade. Shallower percolation tests (approximately 3.5 feet in depth) were performed <br /> during a previous investigation and failed, Reference is tirade to our earlier study dated June 15, <br /> 1987 (File No, 20-2925-01). The borings were drilled using a Simco 2400 truck-mounted drill <br /> rig equipped with 6-inch O,D, solid-stem auger. The approximate percolation test locations are <br /> presented on the attached plate. <br /> Based on our findings, the subsurface soils encountered consisted. of surficial brown sandy silts <br /> and clays underlain by interbedded layers of light brown to brown sandy silts and clays and silty <br /> and clayey sands to the maximum depths explored. Based on blow count data, most of the upper <br /> soils can be classified as "hardpan." <br /> 20744,001/5T02R522 Septembor 20,2002 <br /> Q 2002 Kleinfelder,Inc, Page 1 of 2 <br /> KLEINFELDER 2825 East,Myrt!e Street,Stockton, CA 95:05-4794 (209; 943-1345 (209)948-0621 fax <br />