Laserfiche WebLink
Date Begin - End: 10/11/2017 Drilling Company: Taber Drilling BORING LOG MW -4 <br />Logged By: <br />B. Campbell Drill Crew: <br />Andy <br />& David <br />Hor.-Vert. Datum: Not Available Drilling Equipment: CME -55 Track Rig Hammer Type - Drop: 140 Ib. <br />Auto - 30 in. <br />Plunge: <br />-90 degrees Drilling Method: <br />Hollow Stem Auger <br />Weather: <br />Sunny Bore Diameter: <br />8 in. O.D. <br />FIELD EXPLORATION <br />LABORATORY <br />RESULTS <br />MONITORING WELL <br />CONSTRUCTION` <br />4) <br />Latitude: 38.22964° N <br />'o <br />a <br />rn <br />rn <br />Longitude: -121.41900° E <br />° <br />o <br />c <br />m w, ar <br />Approximate Ground Surface Elevation (ft.): 15.00 <br />a <br />H <br />m y a <br />o <br />E <br />a <br />E c m <br />Location Offset: Nowell Road <br />n <br />Z� <br />— <br />J <br />o <br />x° <br />276 E <br />p, <br />Surface Condition: Access Road <br />m <br />a <br />=m a <br />ar ° <br />O <br />o <br />E <br />q Z <br />> CL <br />CL 4) N <br />m <br />U t v <br />o`4c <br />It <br />NZ <br />(n T <br />m 0 <br />Q w o <br />c9 <br />Lithologic Description <br />(n <br />F3 M' a. <br />it <br />5� <br />3 0 <br />o <br />n. <br />CL <br />a, <br />Sandy Lean CLAY (CL): medium plasticity, dark <br />brown, moist, very stiff, with fine-grained sand <br />10 5 <br />BC=7 <br />16" <br />2"SCH 40 <br />Silty SAND (SM): fine-grained, olive gray, moist, <br />9 <br />Solid PVC <br />medium dense <br />11 <br />11.9 95.3 <br />Riser <br />5 10 <br />BC=3 <br />5" <br />3 <br />3 <br />Lean CLAY with Sand (CL): medium plasticity, dark <br />gray, moist, soft, with fine-grained sand <br />0 15 <br />BC=1 <br />2 <br />15" <br />Portland <br />Sandy SILT (ML): fine-grained, dark gray, moist to <br />Cement Grout <br />wet, very soft to soft <br />41 6 <br />5 20 <br />BC=O <br />18" <br />58 <br />0 <br />3 <br />Bentonite Seal <br />20/40 Sand <br />Pack <br />10 25—BC=O <br />NR <br />0 <br />i L. <br />2 <br />II <br />i I <br />. <br />2" SCH 40 <br />i f <br />Slotted 0.010 <br />. <br />PVC Screen <br />15 30 <br />BC=O <br />I <br />Sandy Lean CLAY (CL): low to medium plasticity, <br />I. <br />' <br />dark gray, wet, very soft, with fine-grained sand <br />�P=0.5 <br />GROUNDWATER LEVEL INFORMATION: <br />The monitoring well was terminated at approximately <br />4 Groundwater was observed at approximately 16 ft. below ground <br />31.5 ft. below ground surface. Monitoring Well installed <br />surface during drilling. <br />to a depth of 31.5 ft. <br />GENERAL NOTES: <br />-20 35 <br />The exploration location and elevation are approximate and were <br />estimated by Kleinfekier. <br />PROJECT NO.: <br />20181913 <br />BORING LOG MW -4 <br />FIGURE <br />DRAWN BY: <br />TD <br />('OKLEINF-EL <br />DER <br />CHECKED BY: <br />RS <br />A-6 <br />PACIFIC GAS AND ELECTRIC <br />Bright People. Right Solutions. <br />DATE: <br />11/27/2017 <br />LINE 108 REPLACEMENT PROJECT (R-515) <br />THORNTON, CALIFORNIA <br />REVISED: <br />- <br />PAGE 1 0( 1 <br />