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Exhibit A <br /> ABC(Accelerated Bridge Construction)Investi ati�on-. <br /> The objective of this task is to provide a general outline to determine if ABC techniques are applicable to this <br /> project in order to save construction costs and duration and,minimize the MOT impacts,to vehicular traffic <br /> as well as railroad operations. <br /> Task 00300 Renorts(overview) <br /> Environmental Considerations PESA—PSI—Building Demolition <br /> In 2012 a Preliminary Design Study was conducted to determine the most feasible option to handle future <br /> traffic volumes for the Brush College Road and Faries Parkway intersection and the Brush College Road <br /> underpass of the Norfolk Southern (NS) rail yard located south of Faries Parkway. As part of the design <br /> study a Preliminary Environmental Site Assessment (PESA) of the Brush College Road corridor was <br /> completed. <br /> PESA—PSI <br /> The PESA was conducted over three years ago and will need to be updated. A Technical Memo will be <br /> completed to provide an update to the initial PESA report. <br /> The PESA Report identified multiple subject properties containing known Environmental Recognized <br /> Conditions (RECs)and 20 adjacent properties surrounding the NS/Faries Parkway Crossing Site that do not <br /> contain known RECs but may have the potential for contamination migration. <br /> AECOM Technical Services, Inc. will perform Preliminary Site Investigations (PSIs) for the Brush College <br /> Road at Norfolk Southern/Faries Parkway Crossing overpass project. <br /> Buildin�Demolition-Asbestos Containing Materials/Lead Based Paint Survey <br /> Asbestos-Containing Materials(ACM)Survey <br /> AECOM will conduct a U.S.Environmental Protection Agency(EPA)Asbestos Hazard Emergency <br /> Response Act(AHERA)-type asbestos survey of the interior of seven buildings to be demolished as part of <br /> this project. <br /> Lead Based Paint(LBP)SurveX <br /> Concurrent with the asbestos survey,AECOM will collect paint chip samples from representative interior <br /> and exterior building materials. Paint chip samples will be analyzed by a qualified laboratory utilizing <br /> Atomic Absorption Spectroscopy (AAS)by EPA Method 6010. <br /> ACM-LBP Letter Re,port <br /> AECOM will prepare an electronic letter report for each building, summarizing the ACM and LBP survey <br /> methodology and findings. <br /> Scope 9-21-18 A-3 <br />