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BORING NO. PB- 3/MW- 3 <br /> f3 COORDINATES N <br /> Z z n DRILLING REMARKS N o FIELD GEOLOGIST Rob Deinagro DATE BEGAN 7/18/03 _ <br /> a: CHECKED BY R. Ddnogra DATE FINISHED 7/18/03CL _ <br /> o 1 W Tratfic Rated Bou a APPROVED BY 0 Wynne SURFACE ETEV 500 ft mel <br /> TOTAL DEPTH 23 ft CORE SIZE 8' dla. <br /> . D DESCRIPTION <br /> 4 4w ASPHALT undarioin by engineered fill <br />' Locking Cap fill <br /> 20 <br /> rement Slurry e • 3/8' PEA GRAVEL fill material <br /> Z' Dia Blank y <br /> PVC Cowng + <br /> 1111 ' <br /> Mod Chip <br /> 5 NR NA NR Bentonite <br /> SealCLAY VATH SILT Dark reddish brown.r . <br /> B <br /> mol3t. lomm to medium deneltY6 <br /> line eand, 70-80%day, 20-30%sllt, medium plasticity <br /> -' d <br /> PB-3 4/5/8 1K107L QFtrst encountered groundwater at 10.5 ft <br /> (1q 2' Dia PVC LEAN CLAY WITH SAND Light brown, wet, medium density, 20-30% fine <br /> sand 10-20% sift, 50-60% day Interbedded up to 3' of SAND (fine <br /> Scrawl w/ -- <br /> 020 inch slots grained) with day encountered. <br /> - <br /> 15 -- Becomes more SANDY with SAND fine to medium grained, wet <br /> PB-3 /8/1 75% Sand !3 <br /> (15') <br /> d <br /> lie <br /> 8' Diu _- <br /> Borehole <br /> 20 Lass SAND with depth <br /> PB-3 <br /> (20') Bottom -_- <br /> Cap <br /> 230' <br /> TOTAL DEPTH OF BORING 23 FEET <br /> -25- <br /> -30- <br /> -351 <br /> 35 <br /> DRILLER Fousto Santos PAGE T OF 1 <br /> • DRILLING CO Gregg Drilling <br /> DRILLING METHOD 8" HSA <br /> SAMPLING METHOD <br /> PROJECT SBC �. <br /> LOCATION Tracy, CA <br /> PROJECT NO B38819 79000000 ,w - <br /> DRAWN BY RB CHECKED BY Shaw E&1,Ir <br /> DATE 09 OS APPROVED BY DRAWING NO. 838819-A158 <br />