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criteria of major fixed guideway facilities/systems • Selected vision concepts to illustrate station character within a typical station area • Selected vision concepts that illustrate major design elements of the proposed fixed guideway alignments in light of the surrounding community. • Locations and functional layouts for up to two alternative maintenance & storage facility site locations for the Build Alternatives. Provision of concepts and identification of approximate locations of support and system facilities (e.g., substations) on the plan view drawings. • Assessment of utility impacts and relocation needs • Identified limits and description of major surface and street modifications that would be required (e.g., traffic, drainage, and other major elements) • Preliminary Operating Plans, including any major transit system changes needed to accommodate and interface with existing transit operations Task 6.1 Corridor Mapping Digitized aerial corridor mapping suitable for conceptual engineering will be provided by the City of Santa Ana. High Definition Scanning (HDS) will be used to obtain detailed topographic information along the project corridor with minimal impact to the motoring public. These surveys will include major existing improvements, traffic configurations and other as -built street conditions. The data collected will augment the existing aerial corridor mapping provided by the city of Santa Ana. The data will be incorporated with existing right of way base mapping and can be used throughout the design of the project. We will also conduct right-of-way mapping along the entire project limits, dispatching a field crew to survey all centerline monuments, calculate existing right of way from Assessor's Parcel Maps and utilize record maps in the area to determine potential property takes. Deliverable(s) — Enhanced Digitized Mapping of Build Alternative Alignment Stations and Support Facilities Task 6.2 Alignment and Station Locations Task 6.2.1 Track, Roadway, Civil Structural and Systems Design Concepts The Cordoba team will prepare plan sets drawings for the Build Alternatives and any remaining design/alignment options. This will include definition of the alignment, along with surface, and elevated stations, structures, and major surface improvements. Conceptual design drawings of the alignment will be prepared at a level of detail necessary to facilitate technical feasibility, cost analysis and documentation of alternatives appropriate for an Alternatives Analysis. For the most part, the conceptual alignments will be portrayed at a 1" = 100' scale on 11" x 17" size sheets. However, there will also be areas or certain sections that may require a more focused examination (i.e., at 1" = 40' scale) in order to resolve specific design issues. 151 Page