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. U J <br /> r February 25, 2002 <br /> Job Number: LGOl-397 <br /> Page 7 <br /> Two sites were evaluated for their soil suitability; an area near the eastern septic system <br /> and an area located on new property acquired through the lot line adjustment. The following <br /> sections describe the soils and percolation tests conducted in these areas. Generally,the soils <br /> observed during our investigation are similar to the Finrod clay loam soils described in the Soil <br /> ` Survey of San Joaquin report. <br /> Percolation Test: 4799 Jack Tone Road at Eastern Septic System <br /> Three(3) soil borings were drilled near the existing(eastern) septic system leach line to <br /> characterize the subsurface soils. The percolation test was required by the County and provided <br /> information to help determine whether expansion of the existing septic system would adequately <br /> handle seasonal peak loads from temporary workers. Plate 1 identifies the location of borings. <br /> Due to limited access, all three(3) soil borings were performed within approximately 15 feet of <br /> each other. A following boring log describes the soils and the depth which the two percolation <br /> test holes were drilled. <br /> ` Table 4. <br /> Soil Boring Log B-1,B-2, and B-3 <br /> (Unified Soil Classification System) <br /> Depth(FT) <br /> B-1 B-2 77hbn <br /> 3 <br /> 0-1 Lime treated clay(CL). Lime treated clay(CL). clay(CL). <br /> 1-2 Dark brown clayey-silty Dark brown clayey-silty sand yey-silty sand <br /> sand(SC). (SC). ). <br /> 2-6 Reddish brown sandy Reddish brown sandy silty clay n sandy silty <br /> silty clay(CL).TD=3 FT. (CL). CL).E8-12 <br /> Light brown silty sand(SW). ilty sand(SW).S FT. <br /> Dark brown sandy silt(ML).Dark brown silty sand(SM). <br /> TD=18 FT. <br /> Note:TD=Total depth of boring or percolation test hole. <br /> Borings B-1 and B-3 were converted into two(2)percolation test holes.The total depth <br /> 6' of P-1 (B-1)was 3 feet and the total depth of P-2(B-3)was 5 feet. The percolation test borings <br /> r � <br /> E <br /> O <br /> SSS OL`' <br /> V <br />