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GS1 GeoStrategies, Inc. Log of Boring Mw-2 <br /> PROJECT: Winner Ford LOCATION: 1615 1 1 C h St ree t , Tracy, CA <br /> GSI PROJECT NO. : 8146.701 SURFACE ELEVATION: 45.66 <br /> DATE STARTED: 9/10/94 WL (ft. bgs): 10.00 DATE: 9/10/94 TIME: 11.20 <br /> DATE FINISHED: 9/10/94 WL (fl, bgs): 10.75 DATE: 9/10/94 TIME: 18:10 <br /> DRILLING METHOD: 8 in. Hollow Stem Auger TOTAL DEPTH: 20 Feet <br /> DRILLING COMPANY: Geo-Environmental Drilling GEOLOGIST: R. Mallory <br /> W <br /> co <br /> x C5 En <br /> z WELL DIAGRAM <br /> z � <br /> GEOLOGIC DESCRIPTION <br /> � W W U <br /> Q <br /> X a to _j _j y U <br /> CL y d O x 2 Q J. <br /> W.2 ..-., __j a a a o <br /> Oa m N U] U' Ul <br /> PAVEMENT <br /> CL/ML <br /> SILTY CLAY (CL/ML) - dark olive gray (SY 3/2), <br /> medium soft, moist,medium plasticity, 55% clay, 40% <br /> ML silt, 5% fine to sand, medium dry strength. <br /> v <br /> U U <br /> 4 <br /> 5 SILT (ML) - very dark gray 00YR 3/1), medium stiff, <br /> low plasticity, moist, 90% silt, 10% fine sand, medium a m <br /> 714 8 MW-2-6.5 dry strength, increase to medium plasticity at 6 N - - - <br /> feel. <br /> iQ 1281 4 MW-2-10.5 saturated at 10 feet. — <br /> U b <br /> C — G <br /> � � b <br /> O — H <br /> O — O <br /> 4 <br /> D _ � <br /> increase fine sand to 25%, color change to olive — ro <br /> �5 11.5 6 MW-2-15.0 brown (2.5Y 5/4) at 14 feel. = c <br /> ,c o <br /> Increase fine gravel to 10% at 16 feet, <br /> )v <br /> 1.3 B MW-2-17.5 SP-SM SAND WITH SILT (SP-SM) - olive brown (2.5Y 4/4), <br /> ML coarse, saturated, 9O% fine sand, 10% silt. _ �,ro <br /> SANDY SILT (ML) - light olive brown (2.5Y 5/4), — <br /> 2.4 4 MW-2-20.0 medium stiff, saturated, 75% sill, 25% fine sand, low -- <br /> 2� plasticity,low dry slrenglh. <br /> Bottom of boring at 20 feel, 9/10/94 <br /> (x = converted to equivalent standard penetration <br /> blows/ft.) <br /> .1 <br /> 25 <br /> JOB NUMBER: 6146.701 Page 1 of 1 <br />