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1.Approach and scope of Work • Noise impacts of arising from construction will be quantified based on the duration,nature,phasing and level of various construction activities. In addition,typical noise generated by various elements of the project operations,including cargo transfers,rail usage,off-road equipment,and project-generated motor vehicle traffic will be estimated.Project construction and operational noise will be evaluated regarding the potential to adversely affect noise-sensitive land uses or violate noise standards. • Measure the level of vibration currently produced by the facility at up to four sensitive locations nearby. This data will be then used to extrapolate the expected level and event frequency of future operating conditions. • Analyze the potential for exposure of persons to or generation of excessive ground borne vibration or ground borne noise levels. • Calculate the change in noise levels due to project and cumulative traffic along roadway segments most affected by project traffic.Determine whether there would be significant project or cumulative effects on noise levels along streets in the project vicinity where existing noise-sensitive land uses exist.These predictions will be made using the computer model described above. • identify practical, feasible mitigation measures for noise impacts identified for the project and the expected benefit to be derived from these.Evaluate whether mitigation measures would reduce the impacts below a level of significance. s Traffic, Transportation and Circulation Issues Activities associated with the proposed UP Modernization project would alter traffic patterns in the area by increasing the number of employees and truck movements on area roads,and by changing the access points for the �< site.ESA will conduct a comprehensive evaluation of the potential impacts on Roth Road, Lathrop Road and Airport Way,and at key intersections where project traffic would travel. The Traffic,Transportation and Circulation section also will evaluate traffic impacts at the at-grade crossings of Union Pacific tracks on both Roth Road and Lathrop Road(and the potential for an overpass over the Union Pacific main line on Roth Road). ESA's in-house traffic engineers/planners (Jack Hutchison, P.E., Lesley Lowe,and Pete Costa)will analyze the potential impacts of the proposed project on the surrounding transportation system and will identify feasible measures to mitigate those impacts. 1-12 San Joaquin County—EJR torthe Union Pacific Modernization Project