Item 28 - Public Hearing - Amendment Application for the Village Santa Ana Specific Plan

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5 LESS -THAN -SIGNIFICANT ENVIRONMENTAL EFFECTS WITH MITIGATION INCORPORATED Additionally, the City requires the Project -specific engineering design recommendations from a design -level geotechnical investigation be incorporated into grading plans and building specifications as a condition of construction permit approval. These recommendations have been incorporated into Project -Specific MM G-1 and MM G-2. Therefore, impacts to seismic ground shaking would be less than significant with mitigation incorporated. Threshold G-1(iii): The Project would not directly or indirectly cause potential substantial adverse effects, including the risk of loss, injury, or death involving: seismic -related ground failure, including liquefaction, with the implementation of mitigation. Findings: The City finds that changes or alterations have been required in, or incorporated into, the Project, which avoid or substantially lessen the significant environmental effect as identified in the Final Supplemental EIR. Specifically, the City finds that Project -Specific MM G-1 and MM G-2 (listed previously) shall be implemented to reduce potentially significant geological impacts resulting from the Project. Additionally, the City finds that the Project will implement regulatory requirements RR G-1 through RR G-3 (listed above). (Draft Supplemental EIR, p. 4.4-11.) Explanation of the Rationale: The rationale and facts supporting the above finding are fully developed in Section 4.4, Geology and Soils, pages 4.4-12 through 4.4-13 of the Draft Supplemental EIR. The following presents a summary of that rationale: Another primary seismic hazard at the Project site is potential ground deformation due to liquefaction, based on California Regional Geologic Maps indicating the Project site as having potentially liquefiable soil. Though the liquefaction analysis performed for the Project indicated that the Project site has low to moderate liquefaction potential due to the clay layer that caps the site and the depth to the liquefaction prone layers, Project -Specific MM G-1 and MM G-2 would be implemented which requires review and approval of the final design -level geotechnical investigation, including proper foundation design measures based on 2022 CBC standards, by the City's Building and Safety Division as part of the construction permit approval process. Therefore, impacts to seismic -related ground failure, including liquefaction would be less than significant with mitigation incorporated. Threshold G-3: The Project would not be located on a geologic unit or soil that is unstable, or that would become unstable as a result of the Project, and potentially result in on- or off -site landslide, lateral spreading, subsidence, liquefaction or collapse, with the implementation of mitigation. Findings: The City finds that changes or alterations have been required in, or incorporated into, the Project, which avoid or substantially lessen the significant environmental effect as identified in the Final Supplemental EIR. Specifically, the City finds that Project -Specific MM G-1 and MM G-2 (listed previously) shall be implemented to reduce potentially significant geological and soil impacts resulting from the Project to less -than -significant. Additionally, the City finds that the Project will implement regulatory requirements RR G-1 through RR G-3 (listed above). (Draft Supplemental EIR, p. 4.4-11.) City of Santa Ana The Village Santa Ana Specific Plan Project August 2025 CEQA Findings of Fact and Statement of Overriding Considerations 5-9