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Marley Cooling Tower Log of Boring A. TW-3 <br /> DO 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): 28.45 <br /> Sample Interval Depth to First Water(ft. bgs): 59.46 s <br /> Borehole Diameter: 6.625 inches Depth to Static Water(ft. bgs): 59.46 <br /> Borehole Total Depth:85 feet Monitoring Well Construction <br /> Date Started: 5/29/03 Type of Surface Seal: Concrete <br /> Date Completed: 5/30/03 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 /> N � <br /> N O <br /> d <br /> L y <br /> yT _ Well <br /> w ~ ro o <br /> o. oSoil Description <br /> Construction o E c <br /> v E N t o O m <br /> d 3 y m C C a N J <br /> W <br /> 0 Grab ASPHALT:Asphalt-4"thick, road base material-6"thick, 6 to 8 inch thick <br /> hand angered to 6 ft. bgs.to clear utilites. concrete pad <br /> with traffic <br /> SM:Silty Sand,yellow brown(10YR5/6), moist,fine sand, rated vault <br /> -5 30%silt,loose. <br /> 0 -to <br /> 5 ---15 No additional soils collected from 5 ft. bgs.to 65 ft.bgs. <br /> 0 -20 % 2-inch diameter <br /> Schedule 40 <br /> �I PVC blank <br /> 5 -25 <br /> 0 -30 <br /> I <br /> I <br /> I <br /> 5 -35 <br /> 1 <br /> 0 40 Type Port (lalnd Neat <br /> Cement <br /> 5 -45 <br /> .0 0 <br /> Project No. 3850244.020101 Log of Boring: TW-3 <br /> © M W H Pagel of 2 <br />