Laserfiche WebLink
PROJECT: TRACY GRAVEL PITS <br /> Tracy, California Log of Boring No. GMX-28 (cont'd) <br /> SAMPLES 0 <br /> ►— �, > E DESCRIPTION REMARKS <br /> o E o °o O Q a NAME(USCS):color,moist, %by wt., plast.density, structure, <br /> o v Z m _ W " cementation,react.w/HCI,geo. inter. <br /> POORLY GRADED GRAVEL with SILT and SAND (GP-GM): _ <br /> cont'd <br /> 34 — <br /> 0 <br /> 35- <br /> 0 — <br /> 36 POORLY GRADED SAND (SP): moist <br /> LEAN CLAY with SAND (CL): grayish brown (10YR 5/2), <br /> 37 moist,85%fines, 15%fine to medium sand, low plasticity, firm — <br /> 0 — <br /> POORLY GRADED SAND (SP): moist <br /> 38- <br /> 0 <br /> --------------------------------- — <br /> LEAN CLAY(CL): grayish brown (10YR 5/2), moist, 95% <br /> 39 0 fines, 5%fine sand, low plasticity,firm — <br /> 40 --------------------------------- — <br /> SANDY LEAN CLAY(CL): grayish brown (10YR 5/2), moist, Grab groundwater sample <br /> 60%fines, 40%fine to medium sand, low plasticity, hard — GMX-28-082205 collected <br /> 41 — through 5 feet of 1-inch <br /> OD Sch.40 PVC screen <br /> (0.010-inch slot size) <br /> 42 — placed in borehole from 44 <br /> POORLY GRADED SAND (SP): moist to 49 feet bgs. <br /> Enviro-core drive casing <br /> 43 T brown (7.5YR 4/4) retracted from bottom of <br /> boring to 44 feet bgs to <br /> maintain surface seal. <br /> 44 T — <br /> + wet <br /> soft <br /> 45 — <br /> soft <br /> 46 --------------------------------- — <br /> POORLY GRADED SAND with CLAY(SP-SC): grayish brown <br /> (10YR 5/2),wet, 90%fine to medium sand, 10% low plasticity <br /> 47 fines _ <br /> 48- <br /> 491 <br /> 8 <br /> 49 — <br /> Bottom of boring at 49.0 feet Borehole destroyed using <br /> Type 1-11 neat cement <br /> 50 _ grout placed from total <br /> depth to ground surface <br /> with a tremie pipe. <br /> 51 <br /> OAKBOREV(REV.3/00) <br />'' Geomatrix Consultants Project No. 7066.001 1 Page 3 of 3 <br />