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1 <br /> PROJECT 541 WEST GRANT LINE ROAD Log Of Boring TR-23 <br /> Tracy, California PAGE 1 OF 1 <br /> Boring location See Site Plan, Figure 3 Logged by R Richards <br /> Date started 9124103 Date finished 9124103 <br /> ' Drilling method Direct push, geoprobe model 5400 mounted on Truck <br /> Hammer wetghtldrop --- Hammer type --- <br /> Sampler 2-inch-diameter split barrel continuous core <br /> _ <br /> SAMPLES E 0 <br /> a g MATERIAL DESCRIPTION <br /> W w sampleE oc' g = <br /> A Number m 5 So t: Surface Conditions Reinforced concrete pavement <br /> ' S inches of rernforced concrete <br /> 1 CLAYEY GRAVEL with SAND(GC) <br /> ' <br /> 481 GC dark brown,dense,dry, 15-20 percent medium sand,25-30 percent fines, FILL 2 48 <br /> 3 <br /> CLAY with SAND (CL) <br /> 4 dark brown,very stiff,dry to moist,25-30 percent fine sand, hydrocarbon odor <br /> S <br /> 481 CL <br /> 6 48 <br /> ' 7- <br /> 8— SILTY SAND(SM) <br /> SM ra soft moist 20-25 percent fines hydrocarbon odor <br /> 9 CLAY(CL) <br /> 10 481 gray with black streaks, very stiff,moist,slightly plastic, <10 percent fine-grained <br /> 48 CL sand, hydrocarbon odor <br /> ii <br /> M12- <br /> 13- <br /> 14- <br /> 15- <br /> 16- <br /> 17- <br /> 18- <br /> 19- <br /> 20- <br /> 21- <br /> 22- <br /> 23- <br /> 24- <br /> 25- <br /> 26- <br /> 27- <br /> 28- <br /> 29- <br /> 30 <br /> 2131415161718192a212223242526272830 <br /> Boring terminated at 12 d feet Tr�dw�e118tRol�o <br /> Boring backfilled with cement grant <br /> Temporary 1 Inch PVC screen from 7 to 12 feet <br /> Project No Figure <br /> ' 357701 A-23 <br />