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EXHIBIT A-I SUMMARY SCOPE OF WORK FOR DEFINITION AND ANALYSIS OF INITIAL OPERATING SEGMENTS FOR THE SANTA ANA-GARDEN GROVE FIXED GUIDEWAY In support of the definition and analysis of an Initial Operating Segment (IOS) for the Santa Ana- Garden Grove Fixed Guideway, the Cordoba Team will complete the following tasks in conjunction with the Santa Ana and Garden Grove Fixed Guideway Corridor Study. Conceptual Engineering The Cordoba Team will develop design concepts for Initial Operating Segments (IOS's) for Streetcar 1 and Streetcar 2 with the western terminus of the project in the vicinity of Raitt Street, and two alternatives for the location of the O&M facility (near Raitt Street and near SARTC). The concept design will include review of spacing and locations of the substations, development of an operating plan for each IOS (Streetcar 1 and Streetcar 2), determination of the number of vehicles required to support each IOS, review and modification of the O&M facility layouts to reflect phased implementation of the project, and preparation of capital and operating cost estimates for each IOS. Alternatives Analysis The Alternatives Analysis currently underway, will be modified to include discussion of the IOS's. Within the context of the appropriate full length Build Alternative, analysis of the IOS's relative to the evaluation criteria and measures of effectiveness will be prepared. The purpose will be to describe the advantages and disadvantages of the IOS's as a component of the full Build Alternative, thereby highlighting the relative advantages/disadvantages of one Build Alternative compared to another in terms of phased implementation. The results of the detailed evaluation of the Build Alternatives and the IOS's will be documented in the Alternatives Analysis Report, to be used in conjunction with the Draft EIR/EA towards the selection of a Locally Preferred Alternative. Draft EIR/EA The Cordoba Team will modify the Administrative Draft Environmental Document and the relevant technical reports to include analysis for the two IOS's. Analysis for IOS 1 and 2 will largely be presented in terms of how the environmental impacts for the IOS's would differ from the full length Build Alternatives. While the discussion of these environmental impacts would be largely qualitative and based on the analyses conducted for the full length Build Alternatives, in some areas of the Administrative Draft Environmental Document and Technical Reports, specific discussion will be added to describe any localized impacts in the vicinity of the western terminus station at Raitt that would be attributable to the IOS's as opposed to the full length Build Alternatives. The Cordoba Team will also provide the draft language that will be used to introduce the IOS's as part of Chapter 2 of the Draft EIR/EA and applicable technical reports. 25G-5