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AGREEMENT 1-2354 Exhibit A Brid~: The CONSULTANT will prepare preliminary engineering drawings for any new bridges the project will require. The drawings will be of sufficient detail in plan, elevation, section views so that preliminary cost estimates can be prepared. Once selected, preliminary engineering will be undertaken of all bridge sections. Plans will include structure cross- section(s); plans and profiles including abutment locations, pier locations, and under-structure clearances; and preliminary abutment, pier, and foundation structural designs. Deliverables: The CONSULTANT will prepare the following as part of this work task: . Evaluation studies for aerial structure design options and drawings of the aerial segments using the selected design(s). preliminary engmeenng . Mock-ups/renderings for key elements and key areas, such as the Civic Center to SARTC area (including St. Joseph Community and stlITounding area), Bristol Street key elements, South Coast Plaza area, John Wayne Airport, and the Senior Center and Oak Creek areà: , . Evaluation studies for major retaining walls design options and engineering drawings of all major retaining walls using the selected design(s). . Evaluation studies for catenary poles design options and engineering drawings and specifications for each design selected. . A Bridge Evaluation Report including inspection reports for all existing bridge structures to be used by the CenterLine project and recommendations for the repair and retrofitting of existing bridges. 0 Preliminary designs of any required new bridge structures. The following paragraphs describes in greater detail the work scope that resulted from the CONSULTANT's input during the negotiations of the PE consulting services contract. The following clarifications are included as part of the CONSULT ANT's Schedule of Values. Task 5.01 Structurcs Criteria . Design Criteria for PE 5. scope of work. Task 5.02 Guideway Aesthetics Study . This task consists of developing a general Guideway Aesthetic Study by analyzing the aesthetic values of different types of superstructures, column configurations, straddle bent configurations, catenary structures, and/or aesthetic treatments to such structural e1ements. . This task will be completed within the first six (6) months. Task 5.03 Neighborhood Fit Studies . The CONSULTANT will evaluate up to four (4) possible design options for the aerial structure and support columns. For each option, a general plan showing partial plan and 22 -------. - ...........-::: ~c <0'