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a.. '*%-� `++d <br /> Logged By: Date Drilled. Drilling Contractor: MethodlEquipment: Boring Numbcr. <br /> Hollow Siem Auger <br /> �-+ M.B.K_ 11/21/96 Mitchell Drilling CMF,-75 MV'�1-Z <br /> "Legend to Logs" for Boring Ground Groundwater Elevation(ft.): Total Drive Drop <br /> sampling method, Diam.(in.): Elev.(ft.): Q Depth(f[.): wt-{Ebs.): Dist.(in. <br /> classifications and laboratory ) <br /> u <br /> test methods 10 M Not Encountered 27.0 140 30 <br /> Weil n0 <br /> Description <br /> Construction a o a F- <br /> � <br /> w o E <br /> q � � ti <br /> �.. Traffic box ASPHALT: 2" thick <br /> set in FILL: <br /> concrete MW2-1 <br /> (SP)SAND; fine grained, moderate brown, slightly moist Bag 0-5' <br /> to moist, no petroleum odor <br /> 2" dia. solid 5 14 DUNFJALLUVIUM DEPOSITS-- - ------ ----- _ MW2-2 <br /> �+ Sch. 40 PVC 4 (SP)SAND, fine grained, moderate brown, moist, slightly <br /> casing 0.5" 14 petroleum odor <br /> cement grou <br /> 10- <br /> 15 (SP)Same as above, slightly moist to moist, no petroleum 0 MW2-3 <br /> Bentonite 15 <br /> *� <br /> pellets 17 <br /> hydrated witl <br /> tap water <br /> 15 <br /> 12 (SP)Same as above, fine to coarse grained, light yellow 0 MW2-4 <br /> 13 brown, slightly moist, predominantly moist, no odor <br /> 14 {Rf)SILT, with pores, moderate yellow brown, moist toJ <br /> �-' 4" dia. Sch. 12 %wet MW2-5 <br /> 40 PVC 12RE <br /> -- -- -------- - <br /> 0.010" 13 (CL)Silty CLAY, moderate yellow brown, moist to wet, <br /> slottedP•P t e numerous expansion shears <br /> �-+ 20 <br /> 16 (CL)Same as above, wet, no petroleum odor, geotechnical MW2-5 <br /> #2/12 RMC 12 sample disturbed - <br /> Monterey 13 <br /> sand <br /> -• End cap 25 <br /> 16 (ML CL)Silty CLAY and Clayey SILT, moderate yellow Mw2-6 <br /> 17 brown, wet, no odor <br /> 25 <br /> T.D. = 27.0 feet below ground surface <br /> Groundwater encountered at 16.0 feet during drilling and <br /> measured at 15.9 feet on 11/22/96 <br /> Hnu readings in ppm <br /> The substrata descriptions above are generalized representations and based upon visual/manual classification of cuttings and/or <br /> samples obtained during drilling. Predominant material types shown on the log may contain different materials and the change from <br /> one predominant material type to another could be different than indicated. Descriptions on this log apply only at the specific <br /> location at the time of drilling and may not be representative of subsurface conditions at other locations or times. <br /> Project No. 40007-097-01 Date Nov.96 Log of Boring <br /> Figure <br /> A-2 (sheet 1 of 1) <br />