Laserfiche WebLink
GEOTECHNICAL BORING LOG <br />SHEET 1 OF 1 <br />PROJECT NO. <br />DATE STARTED <br />DATE FINISHED <br />DRILLER <br />TYPE OF DRILL RIG <br />1-0396 <br />7/7/21 <br />7/7/21 <br />2R Drilling Inc. <br />8" Hollow Stem Auger <br />PROJECT NAME 4th St. and Cabrilla Park Dr. <br />GROUND ELEV. 145 BORING <br />GW DEPTH (FT) LOGGED <br />DRIVE WT. 140lbs NOTE <br />DROP 30 in. <br />DESIG. B-5 <br />BY FIR <br />w <br />�a <br />} <br />OJ <br />�m <br />w. <br />� <br />a� <br />�0 <br />w <br />w� <br />2r <br />o <br />o <br />GEOTECHNICAL DESCRIPTION <br />;z <br />z <br />o <br />�Qo <br />w <br />a— <br />w <br />« <br />� <br />m <br />= <br />H <br />�� <br />U) <br />Qp <br />Ofw <br />o <br />o <br />J <br />20 <br />5" Asphalt over no base. <br />SM <br />YOUNGER FAN DEPOSITS(Qyf): SILTY SAND, fine to medium <br />grained, brown, moist, loose, few clay. <br />g <br />15.6 <br />105 <br />71 <br />R <br />5 <br />140 <br />10 <br />@5.0ft. trace roots. <br />11.7 <br />104 <br />53 <br />R <br />10 <br />135 <br />9 <br />@10.0ft. trace fine gravel <1/2". <br />14.9 <br />110 <br />78 <br />R <br />15 <br />130 <br />10 <br />@15.0ft. fine to coarse grained, loose, few fine to coarse gravel <br />15.6 <br />108 <br />78 <br />R <br />20 <br />125 <br />72 <br />SM <br />@20.0ft. SILTY SAND with GRAVEL, fine to coarse grained, brown, <br />3.2 <br />R <br />o.. <br />moist, very dense, fine gravel <1/2". <br />C <br />25 <br />120 <br />16 <br />0 <br />4111 <br />@25.0ft. No Recovery. <br />R <br />TOTAL DEPTH 26.0 FEET <br />NO GROUNDWATER ENCOUNTERED <br />NO CAVING OBSERVED <br />SAMPLE TYPES: <br />1 GROUNDWATER <br />® RING (DRIVE) SAMPLE <br />► SEEPAGE <br />4i <br />Alta California Geotechnical, Inc. <br />D s <br />I nc' <br />FBIBU TUBE SAMPLE <br />: BEDDING F: FAULT 18 — 861 <br />P.N. 1-0396 10/3/2023PLATE B-5 <br />S: SHEAR RS: RUPTURE SURFACE <br />S <br />