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•'4 <br /> �bERIF'` AND1;k5vNANDASSOCIATES RECEIVED MAY 3 9991 <br /> P _�\ 2701 East Hammer Lane,Suit(. 118 <br /> y N Stockton,California 95210 <br /> x (209)472-1091 <br /> 0 <br /> P <br /> SG\ Fax(209)472-10'/3 <br /> gSp <br /> April 29, 1991 <br /> Bill Channell <br /> WATERWORKS CORPORATION <br /> 1710 Main Street <br /> Escalon, CA 95320 <br /> Subject: Compaction & Field Density Tests <br /> L41DLAW CORP. TANK BACKFILL <br /> 1444 Tillie Lewis Drive <br /> Stockton, California <br /> Our Job Number: SF-10 <br /> Gentlemen: <br /> This report presents the results of compaction and field density tests performed <br /> on the tank backfill for the sub;ect project. <br /> 557 <br /> on <br /> st was <br /> The fill consisted the <br /> eof thettil!$o1ls. An ASTM The maximurn drydensitywasc1126.4epounds <br /> conducted on a sample <br /> per cubic foot, at an optimum moisture content of 10.0 percent. <br /> The results of the field density tests are presented next. <br /> f FIELD DENSITY TEST RESVI_TS <br /> Test Dry Density Moisture Reiative Elev. <br /> Date No. lbw- Co8� lent-/- COm 91 3W <br /> Location <br /> W mer -3.0 <br /> 03-25-91 1 115.4 6.8 92 SW Corner <br /> 2 115.8 Middle E Half -2.0 <br /> „ <br /> {}3-26-91 119. 5 g 0 7.4 94 96 Middle W Half <br /> 2 121.7 93 SW Corner -0.6 <br /> 3 117.7 6.3 Retest <br /> 3A 120.3 8.1 95 <br /> 8 4 97 NE Corner -0.6 <br /> 4 122.6 7.4 91 Middle W Half SG <br /> p3-27.91 1 128.9 5.7 95 Retest { <br /> 1A 133.9 Middle E Half " <br /> 2 131.7 6.5 93 <br /> 2A 133.5 6.3 95 Retest <br />