2017-046 - Approving Addendum Nos. 1 and 2

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Santa Ana/Garden Grove Fixed Guideway Project Addendum Construction and operation of the Project (the adopted Locally Preferred Alternative, or "LPA") was approved by the Federal Transit Administration (FTA) in a Finding of No Significant Impact (FONSI), dated March 10, 2015 based on the findings of the Revised Environmental Assessment (EA) (January 2015), pursuant to the National Environmental Policy Act (NEPA). The City of Santa Ana certified the EIR (State Clearinghouse #2010051060) in January 2015, which was subsequently adopted by OCTA. OCTA is a CEQA "Responsible Agency' as defined by CEQA Guideline 15381. Pursuant to CEQA Guideline 15381, "Responsible Agency" means "a public agency which proposes to carry out or approve a project, for which a Lead Agency is preparing or has prepared an EIR or Negative Declaration." The approved Project was based on a conceptual level of engineering. Subsequent to Project approval in 2015, OCTA has taken the lead in advancing the design and implementation of the Project. As part of this engineering design phase, OCTA is proposing some modifications to the Project as it was defined and analyzed in the EIR. The modifications comprise of physical and operational improvements, and are partly derived from value engineering and risk workshops conducted in 2015, as well as design coordination with OCTA's partner cities and stakeholders. The modifications are not anticipated to result in changes to the maintenance plan for the Project. 3. DESCRIPTION OF DESIGN MODIFICATIONS The following describes the proposed modifications that are the basis of evaluation in this Addendum. Additionally, Table 3.1 provides a listing of design updates, comparing the description of Project features in the EIR to the revised description of Project features resulting from the modifications. The corresponding figures for each modification are referenced on the table and attached to this Addendum. Figure 1 provides an overview of the current Project features. Figures 2 to 12 provide graphics focused on specific changes in Project features for added clarity. 2 I age 1170726.1