Laserfiche WebLink
ENGEO LOG OF BORING 4-1302 <br /> Expect Excellence LATITUDE: 37.769561 LONGITUDE: -121.419766 <br /> Geotechnical Exploration DATE DRILLED: 10/21/2021 LOGGED/REVIEWED BY: L.Becker/ZAC <br /> Holly Buildings H & I HOLE DEPTH: Approx.31'/2 ft. DRILLING CONTRACTOR: West Coast Exploration <br /> Tracy, California HOLE DIAMETER: 4.0 in. DRILLING METHOD: Solid Flight Auger <br /> 15188.000.006 SURF ELEV(NAVD88): Approx.20 ft. HAMMER TYPE: 140 Ib.Rope and Cathead <br /> Atterberg Limits <br /> N 0 <br /> w <br /> v o c �� <br /> to n <br /> a) 0 axi C' o'm H <br /> LL CL DESCRIPTION o �, �It o 0 a, �'X <br /> c p T J U J U ,U U.N 3 .� c� Q <br /> ti m <br /> n m E 3 N N a n-0 aL�i a 0:2 <br /> a) a) >a5 O a5 a5 C o O o U L L C m <br /> ❑ W (n J > m J LL LL LL 2 ❑�' (n (n <br /> LEAN CLAY WITH SAND(CL),dark greenish gray, <br /> medium stiff,wet,low plasticity,20-25%fine-grained sand 22 79 23 105 <br /> FAT CLAY WITH SAND(CH),light olive brown mottled <br /> with gray,very stiff,wet,high plasticity, 15-25% <br /> fine-grained sand <br /> ----------------------- <br /> CLAYEY SAND(SC),light olive brown,medium dense, <br /> wet,low plasticity,medium-to fine-grained sand,20-25% <br /> 25 -5 fines <br /> 23 <br /> 21 <br /> ------------------------- <br /> POORLY GRADED SAND WITH CLAY(SP-SC),light <br /> olive brown,medium dense to loose,wet,medium-to <br /> fine-grained sand,5-12%fines <br /> N <br /> O <br /> M <br /> 30 -10 <br /> 0 <br /> c� <br /> z 11 10 <br /> 0 <br /> LU <br /> z <br /> z <br /> w <br /> a End of boring at approximately 31 1/2 feet below ground <br /> 0 surface.Groundwater encountered at approximately 12 1/2 <br /> m feet at time of drilling. <br /> a <br /> o' <br /> 0 <br /> m <br /> 0 <br /> 0 <br /> J <br /> W <br /> O <br /> UI <br /> 0 <br /> U <br /> Z <br /> 2 <br /> U <br /> W <br /> O <br /> LU <br /> O <br /> J <br />