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f ICG <br /> 1898 <br /> IIJJ <br /> Geotechnical and Environmental Consultants • Engineering and Chemical Laboratories <br /> F' <br /> ! November 13, 1990 TL #79q-056-02 <br /> Invoice #70801 <br /> i . <br /> For: Dames & Moore <br /> 1320 E. Shaw Avenue, Suite 110 <br /> W Fresno, CA 93710 <br /> Project: Tank Excavation and Backfill <br /> t Chevron Service Station <br /> �4 Hwy 99 and Morada Lane <br /> Stockton, California <br /> P0. No. 16000-250-44 <br /> S <br /> [ s Account No. 114-071 <br /> Subject: Spot Soil Density Tests conducted on the <br /> f= tank excavation backfill soils_ <br /> Dear Mr. Irwin: <br /> is This report presents the individual compaction test results of the <br /> t' in-place density tests conducted on the backfill soils placed in <br /> the tank removal excavation at the above referenced location. <br /> The scope of our testing was authorized by Mr. Mike Irwin with <br /> Dames & Moore on October 18, 1990. <br /> i <br /> The tests were performed by Val Baroni, Doug Davidson, <br /> Harold Holland, and Dennis Z-nompson of our Modesto office on <br /> ,.; October 19, 22, 23, 24, 25, 26, and 27, 1990. <br /> �rb <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 /> I ; the excavation measured approximately <br /> i 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 soils shall be <br /> compacted to a minimum of 90 percent of <br /> maximum density as determined by the <br /> i USC 70-1. <br /> hM <br /> !,a C 2527 Fresno Street •PD.Boy 1472 C 9401 West Goshen Avenue <br /> Fresno.California 93716 •12091 258.7021 Visalia, California 93291 (2091 651-2190 <br /> ❑ 1445 Grande Lane,Sesta 1 C 37o,Pegasus Onvzl,Supe 124 <br /> Modesto,California 95351 •(209)523.099a Bakersfield.California 93308• (805)393.5098 <br />