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Marley Cooling Tower Log of Boring it. TW-5 <br /> Dr• Method: Rotary Sonic Boring Location:Stockton, CA <br /> Drilling Equipment: Sonic <br /> Drilling Contractor: Resonant Sonic International Elevation(Ground Surface): TBD <br /> Sampling Method: Continuous Core Elevation(Top of Casing): 28.53 <br /> Sample Interval Depth to First Water(ft. bgs): 59.62 a <br /> Borehole Diameter: 6.625 inches Depth to Static Water(ft.bgs): 59.46 <br /> Borehole Total Depth:90 feet Monitoring Well Construction <br /> Date Started: 6/04/03 Type of Surface Seal: Concrete <br /> Date Completed: 6/04/03 Blank Casing Type/Size: SCH 40 PVC,2-in ID Top of Screen(ft.bgs): 60 ft. bgs. <br /> Logged By: Tony Mikacich Screen Type/Size: SCH 40 PVC, 2-in ID Bottom of Screen(ft.bgs): 85 ft. bgs. <br /> Screen Slot Size: 0.020 inch Type of Sand Pack: #3 <br /> M <br /> d <br /> L y <br /> Q) > T c ? d = Well <br /> « 2 0m > a a o Soil Description <br /> oca o a E o Construction <br /> o w` E <br /> w '^ t w o 1p 3 N m <br /> w <br /> 0 Grab ASPHALT:Asphalt-4"thick, road base material-6"thick, 6 to 8 inch thick <br /> hand sugared to 5 ft.bgs.to clear utilites. concrete pad <br /> with traffic <br /> SM:Silty Sand,yellow brown(10YR 5/6), moist,fine;and, rated vault <br /> 5 25%silt,loose. <br /> 0 -10 No additional soils collected during the drilling of TW-5. <br /> 5 -15 <br /> 0 -20 1 2-inch diameter <br /> Schedule 40 <br /> / PVC blank <br /> 5 -25 <br /> 0 -30 <br /> 5 -35 <br /> 100A <br /> I <br /> 1 <br /> 0 40 Type I Poalnd(Neat <br /> Cement <br /> 5 -45 <br /> 1 <br /> 0 111PO � <br /> Project No. 3850244.020101 Log of Boring: TW-5 <br /> © M W H Page 1 of 2 <br />