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r _ r <br /> lea <br /> l <br /> i I L{ 1��FL� U 4 C.• <br /> Since 1B9B <br /> Geotechnical and Environmental Consultants • <br /> " Engineering and Chemical Laboratories <br /> November 13, 1990 - <br /> TL 0790-056-02 <br /> Invoice #70801 <br /> For: Dames & Moore <br /> 1320 E. Shaw Avenue, Suite 110 <br /> Fresno, CA 93710 <br /> Project; Tank Excavation <br /> Chevron Service Station <br /> kfill <br /> Hwy 99 and Morada Lane <br /> Stockton, California <br /> PC). No. 16000-250-44 <br /> Account No. 114-071 <br /> Wy Subject: Srot Soil Density Tests conducted on the <br /> tank excavation backfill soils, <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 /> y; the tank removal excavation at the above referenced location. <br /> The scope of -our testing was authori <br /> Dames & Moore an October l8, 1990. zed by Mr. Mike Irwin with <br /> The tests were performed by Val Baroni, Doug Davidson, <br /> "- Harold Holland, and Dennis Thompson of our Modesto office on <br /> October 19, 22, 23, 24, 25, 26, and 27, 1990. <br /> oT Project Description; This <br /> 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 /> fallowing specifications shall apply: <br /> Uniform Building Code Standard No. <br /> 70-I. All fill soils shall be <br /> compacted to a minimum of 90 percent of <br /> B <br /> maximum density as determined by the <br /> U <br /> C. 70-1. <br /> Z2 2527 Fresno Street •P.O.Boz 1472 <br /> Fresno.California 93716•(209)258-7021 G 9401 West Goshen Avenge <br /> 7 1405 Granite.ane.Swe 1 Visalia, california 93291 (209)651.2190 <br /> Anaoesto,California 95351 •(2C9)523.0994 C' 3701 Pesasus Drive,suite 12a <br /> Sakersi eid. <br /> Cahfornsa 93309•1005)393.5068 <br />