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kma <br /> /tom q <br /> t Sinle less <br /> Geotechnicat and Environmental Consultants Engineering and Chemical Laboratories <br /> w• <br /> November 13, 1990 TL n790-056-02 <br /> Invoice n70801 <br /> For: Dames & Moore <br /> 1320 E. Shaw Avenue, Suite 110 <br /> Fresno, CA 93710 <br /> i <br /> Project: Tank Excavation and Backfill <br /> Chevron Service Station <br /> Hwy 99 and Morada Lane <br /> Stockton, California <br /> PO. No. 16000-250-44 <br /> Account No. 114-071 <br /> u• Subject: Spot Soil. Density Tests conducted on the <br /> tank excavation backfill sails. <br /> F�. <br /> Dear Mr. Irwin: <br /> This report presents the individual compaction test results of the . <br /> - in-place density tests conducted on the backfill soils placed in ' <br /> the tank removal excavation at the above referenced location. <br /> 1 - <br /> The scope of ..our testing' 'was authorized by Mr. Mike Irwin with <br /> Dames & Moore on October 18, 1990. <br /> The tests were performed by Val Baroni, Doug Davidson, g <br /> Harold Holland, and Dennis Thompson of our Modesto office on <br /> October 19, 22, 23, 24, 25, 26, and 27, 1990. <br /> Project Description: This 'project consists of the previous <br /> removal of underground storage tanks <br /> and . backfill of the resulting <br /> - excavation. According to Mr. Irwin, <br /> the excavation measured approximately <br /> 60 by 60 feet in plan dimension and was <br /> about 15 feet deep. <br /> Project Specifications: According to Mr. Richard Johnson the <br /> following specifications shall apply: <br /> Uniform Building Code Standard No. . <br /> 70-1. All fill sails shell be <br /> compacted to a minimum of 90 percent of <br /> maximum density as determined by the <br /> USC 70-1. <br /> Z 2527 Fresno Streel •P.O.Boz 1472 C 9401 West Goshen Avenue <br /> Fresno.California 93716•(209)258-7021 Visalia, California 93291 {2091 05:•21.50 <br /> C 1405 GramEe lane.Sune 1 i. 3701 Pegasus Dnve.swie 124 <br /> Moeesto.Cal-tCrma 95351 •(2091 523.09°4 Baaer56eld,California 9330Y • eCS:39:•E.Cae <br />