Laserfiche WebLink
PROJECT 4110 INDUSTRIAL WAY <br /> Tracy, California Log of MW-1 PAGE 1 OF 1 <br /> Boring location See Figure 2 <br /> Date started 9129193 Date finished 9129193 LOGGED BY Peter Cusack <br /> Drilling method Hollow stem auger,6-inch outside diameter <br /> Hammer weight 140 pounds I Drop 30 inches <br /> Sampler California Modified,2 5-inch O D ,2 0-inch I D WELL CONSTRUCTION <br />' SAMPLES <br /> �- V7—E9 <br /> MATERIAL DESCRIPTION Traffic rated <br /> CL <br /> LULL 0Emco-Wheaton <br /> o Box <br />' 3-inch as halt navement Locking <br /> 1 SILTY SAND with GRAVEL(SM) Well <br /> brown, loose, moist, no odor <br /> 2 Plug <br />' 3 CLAYEY SAND (SC) <br /> 4 <br /> dark brown, moist, very stiff, no odor Cement <br /> 0 22 grout with <br />' S 5% <br /> 6 <br /> bentonite <br />' 7 Bentonite <br /> 8 color change to light brown pellets <br /> 9 , <br /> 2-inch <br />' 10 diameter <br /> 0 9 _ stabilized water level (10/4/93) Sch 40 <br /> 11 <br /> SANDY CLAY (CL) PVC <br /> 12 light brown, very moist, hard, no odor <br /> r <br /> 13 water encountered at a depth of 13 2 feet <br /> 14 during drilling (9/29/93) 0 02-inch <br /> 3 <br /> slots <br /> 15 <br /> 16 0 43 <br /> 17 � Monterey <br /> #3 sand <br /> 18 <br /> 19 <br /> h k <br /> 20 Threaded <br /> 21 40 end cap <br /> Bonng terminated at a depth of 21 0 feet <br /> 22 Well installed as illustrated <br /> 23 Note (1) Blow counts have been corrected to <br /> 24 SPT-N values <br /> (2)OVM readings are in parts per million <br /> I 25 or(ppm) <br /> 26 <br /> 27 <br /> 2s <br /> 29 <br /> 30 <br /> TREADWELL & ROLLO, INC. Project No 110707 Figure 3b <br /> Consulting Engineers and Scientists <br />