2025-023 - Addendum to Transit Zoning Code Environmental Impact Report

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shall retain a cultural resource professional who meets the Secretary of the Interior's Professional Qualifications Standards for Architectural History to determine if the project would cause a substantial adverse change in the significance of a historical resource as defined in Section 15064.5 of the CEQA Guidelines. The investigation shall include, as determined appropriate by the cultural resource professional and the City of Santa Ana, the appropriate archival research, including, if necessary, an updated records search of the South Central Coastal Information Center (SCCIC) of the California Historical Resources Information System (CHRIS) and a pedestrian survey of the proposed development area to determine if any significant historic-period resources would be adversely affected by the proposed development. The results of the investigation shall be documented in a technical report or memorandum that identifies and evaluates any historical resources within the development area and includes recommendations and methods for eliminating or reducing impacts on historical resources. The technical report or memorandum shall be submitted to the City Santa Ana for approval. As determined necessary by the City, environmental documentation (e.g., CEQA documentation) prepared for future development within the project site shall reference or incorporate the findings and recommendations of the technical report or memorandum. The project applicant shall be responsible for implementing methods for eliminating or reducing Impacts on historical resources identified in the technical report or memorandum. Such methods could include, but not be limited to, written and photographic recordation of the resource in accordance with the level of Historic American Building Survey (HABS) documentation that is appropriate to the significance (local, state, national) of the resource. (Impact 4.4-3) Project Analysis and Conclusion The City determined that impacts related to archaeological resources (Impact 4.4-1) unique paleontological resources (Impact 4.4-2), and disturbing human remains were less than significant with the implementation of mitigation measures. Impacts related to historical resources (Impact 4.4-3) were found to be significant and unavoidable and that specific economic, social, or other considerations make infeasible additional mitigation. Specifically, no additional feasible mitigation measures exist that would avoid or substantially reduce these impacts. The TZC EIR states that there are 80 designated historic properties that are listed on the Santa Ana Register of Historical Properties, five that are listed on the California Points of Historical Interest, and one that is listed on the California Historical Landmarks within and adjacent to the TZC area. The TZC area has already been subject to extensive disruption from previous development and may contain artificial fill materials. The proposed adoption of the text regulations identified in Table 1 — Current and Proposed Text Regulations would not require preparation of a supplemental or subsequent EIR because specific development projects are neither included nor required, nor would the project introduce new land uses that would have impact to cultural or tribal cultural resources that could otherwise make the long-term significant and unavoidable historical resource impacts more severe. Any future development within the TZC area requiring discretionary action would continue to be subject to a project-level CEQA review at the time an application is filed for an individual project. In addition, compliance with the existing regulations and proposed amendments will assure that potential impacts are not exacerbated. Mitigation measures MM4.4-1(a), MM4.4- 1(b), MM4.4-2(a), MM4.2(b), and MM4.4-3 would continue to apply. In addition, compliance with the existing regulations and proposed regulations identified in Table 1 — Current and January 2025 30 Environmental Analysis Resolution No. 2025-023 Page 38 of 65