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Site-specific traffic control plans as well as plates for MUTCD TA-3, TA-6 and TA-10 and associated <br /> descriptions from the MUTCD, are attached. <br /> 1.1.4 Backfill Methodology <br /> All CPTs will be backfilled following the guidelines outlined in the Department of Water Resources Bulletin <br /> 74-90 with respect to the method by which the exploratory CPTs will be sealed. The grout injection will <br /> begin at the bottom of the cavity and will move upward. A field engineer or geologist will supervise all <br /> backfill activities. <br /> 3 <br />