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PROJECT: TRACY GRAVEL PITS <br /> Tracy, California Log of Boring No. GMX-27 (cont'd) <br /> SAMPLES 0 <br /> H m m m — 2 f DESCRIPTION REMARKS <br /> CL <br /> �' E o E o o° O Q as NAME(USCS):color,moist, %by wt.,plast.density,structure, <br /> o m Z N mu_ W '" cementation, react.w/HCI,geo.inter. <br /> 0 T hard <br /> 52 <br /> LEAN CLAY(CL): cont'd <br /> - <br /> 53- <br /> Driller noted heaving <br /> sands. <br /> 54- <br /> 55 <br /> 4 55 — <br /> Bottom of boring at 55.0 feet Borehole destroyed using <br /> - Type 1-II neat cement <br /> 56 _ grout placed from total <br /> depth to ground surface <br /> with a tremie pipe. <br /> 57 - <br /> 58 - <br /> Hydropunch driven from <br /> ground surface to 60 feet <br /> 59 - bgs in companion boring. <br /> Grab groundwater sample <br /> GMX-27-082405 collected <br /> 60 - through 5 feet of 1-inch <br /> OD Sch.40 PVC screen <br /> (0.010-inch slot size). <br /> Drive casing retracted <br /> 61 - from bottom of boring to <br /> 55 feet bgs to maintain <br /> surface seal. <br /> 62 - <br /> 63- <br /> 64- <br /> 65- <br /> 66- <br /> 67- <br /> 68- <br /> 69 <br /> 3 64 65 66 67 68 69 <br /> OAKBOREV(REV.3/00) <br /> Geomat ix Consultants Project No. 7066.001 Page 4 of 4 <br />