Laserfiche WebLink
PROJECT: FORMER VERNALIS PUMP STATON <br /> Vernalis, California Log of Boring No. ASB-5 (cont'd) <br /> SAMPLES O <br /> �o a DESCRIPTION REMARKS <br /> w°-' E G E o o O ¢ o-' NAME(USCS):color,moist,%by wt.,plast.density,structure, <br /> = o m Z m mal cementation,react.w/HCI,geo.inter. <br /> a (n m <br /> 70%fines,20%fine sand, 10%fine to coarse gravel <br /> _ -------------- <br /> 34 y POORLY GRADED SAND with SILT(SP-SM): olive brown — <br /> < - �(2.5Y 4/3),moist,90%fine to coarse sand,10%nonplastic <br /> �J <br /> fines <br /> '- 35 _ wet <br /> SANDY SILT(ML) light olive brown (2.5Y 5/4),wet,70% Grab groundwater sample <br /> �! fines,30%fine sand,nonplastic,soft ASB-5 collected through <br /> 36 10 feet of 1-inch OD Sch. <br /> 1^ 40 PVC screen <br /> is <br /> (0.010-inch slot size) <br /> 37 placed in borehole from 30 <br /> POORLY GRADED SAND with SILT Ltd---------___ to 40 feet bgs. <br /> a:S <br /> POORLY GRADED SAND(SP): olive brown (2.5Y 4/3),wet, Hollow-stem augers <br /> 95%fine to coarse sand,5%fines - retracted to 30 feet bgs to <br /> 38 maintain surface seal. <br /> It 39 a — <br /> ( m <br /> 40 Bottom of boring at 40.0 feet - Heaving sands <br /> — encountered at 40.0 feet <br /> a`- 41 bgs;sampling refusal. <br /> Borehole destroyed using <br /> k-7 42 Type 1-II neat cement - <br /> �f grout placed from total <br /> depth to ground surface <br /> 43 with a tremie pipe. <br /> = 44 <br /> �. 45 <br /> 46 <br /> 47 <br /> 48 <br /> a' 49 <br /> E; <br /> �± 50 <br /> 51 <br /> ' 1:PROJECMOil1GIMOGS1011.0031 SBSLOG.GOw OM11REV(R1HV.x0I <br /> �± Geomatrix Consultants Project No.5011.003 Page 3 of 3 <br /> q_tj <br /> x <br /> `.L <br />