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x <br /> e � <br /> 1.1 pI2II <br /> SLING METHODOLOGY <br /> I'l, will notify Underground services Alert (USA) at least two <br /> i�etore starting any drilling activities. This, in <br /> working days engaging a line <br /> addition to :;tu(jyinq utility maps (Figures 3) , <br /> to four feet, will <br /> locating service, and hand digging each hole <br /> help assure that drilling activities will not encounter any <br /> underground utilities' <br /> Prior to each days field work, the field geologist or IT site <br /> representative will conduct a TAILGATE SAFETY MEETING to ensure <br /> proper site precautions are identified and also to conform to the <br /> IT site specific health and safety plan (Section 4 .0) . <br /> The borings will be drilled by a sub-contractor with a current <br /> c-57 license. All drilling will be performed with a steam <br /> ll <br /> cleaned, 8 inch hollow stem auger. Each Wentereddrilled <br /> . lf aeclay <br /> to 15 feet into the first saturated zone encou <br /> layer greater than five feet t=uck is encountered below theifirst <br /> saturated zone, it will be assumed to be a laterally <br /> extens <br /> clay layer and drilling will be stopped. If the clay layer is <br /> r <br /> less than five feet thick, It will be assumed to be a clay lens <br /> and drilling will continue to the maximum depth in the saturate <br /> determine the depth of each well <br /> Zone. The field geologist will <br /> Is that must be followed should <br /> as well as any special procedure <br /> any unusual or anomalous conditions be identified (i.e. f]-wing <br /> sands) . Each monitoring well will be installed through the <br /> center of the hollow stem auger. As discussed in Section 2.4, <br /> the water table is anticipated to be approximately 40 to 50 feet <br /> below grade. Wells are anticipated to be approximately 60 feet <br /> deep. <br /> 3-2 <br />