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DATE OBSERVED: 6-12-85 METHOD OF DRILLING: 24" Bucket Auger <br />148+ 1600 to 25': 800 to 0' <br />LOGGED BY: MBC GROUND ELEVATION: LOCATION: LOCATION: See Plot Plan <br />w <br />z <br />< <br />°o <br />mw <br />jL <br />_ <br />C <br />Mo <br />Co.. <br />BORING NO. 2 <br />L6 <br />U.J <br />Da <br />2 <br />a <br />coyF <br />zz <br />wv <br />SOIL TEST <br />rn <br />B., <br />NQ <br /><t <br />a <br />N <br />O <br />oN <br />leOz <br />r <br />Mo <br />-'y <br />aZ <br />DESCRIPTION <br />G <br />J <br />O <br />7 <br />0 <br />0-5" A/C <br />5"-1Base/select subgrade <br />SM <br />FILL: <br />Gray brown silty SAND, damp, loose <br />SM <br />ALLUVIUM: <br />5 <br />CONSOLIDATION <br />5 <br />12.7 <br />104 <br />Medium brown silty SAND, moist, medium <br />MAXIMUM DENSITY/ <br />dense, fine to mediLm grained <br />OPTIMUM MOISTURE <br />@6' Trace of gravel, becomes increas- <br />DIRECT SHEAR <br />ingly silty, very fine grained sand <br />SIEVE <br />EXPANSION <br />10 <br />SULFATE <br />X <br />1 <br />11.4 <br />98 <br />Moderately porous <br />R-VALUE <br />@13' Becomes less silty, coarser sand <br />75 <br />1.9 <br />101 <br />Light brown SAND, dry to damp, medium <br />SW <br />4 <br />dense, fine to medium grained <br />@17' Becomes slightly silty <br />20 <br />SM <br />Silty SAND, slightly moist, medium <br />4 <br />dense <br />25 <br />5 <br />Sand is generally fine to very fine <br />grained <br />30 <br />ML <br />Light reddish -brown sandy SILT with <br />6 <br />trace of gravel, slightly moist, dense <br />@32' Becomes gravelly with a few <br />cobbles, increasingly sandy <br />SM <br />Becomes increasingly gravelly <br />GM <br />GRAVEL with red -brown silty sand <br />35 <br />- <br />matrix, moist <br />Abundant cobbles <br />@38' Becomes clayey SAND with gravel <br />lense only <br />40 <br />JOB NO.: 2702-00 <br />LOG OF BORING <br />FIGURE: B-4 <br />IRVINE SOILS ENGINEERING, INC. <br />