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the related project lists would be subject to their own project-specific impact analysis and would <br /> be required to incorporate feasible mitigation measures to reduce any potentially significant <br /> impacts to a less than significant level. The Project would implement mitigation measures (i.e., <br /> Project-Specific MM G-1 and MM G-2) to reduce impacts to a less than significant level. As a <br /> result, the Project's incremental effects would not cause the combined cumulative impacts to <br /> become significant and thus, are not cumulatively considerable. <br /> The GPU PEIR identified a significant but mitigable impact on previously unrecorded <br /> paleontological resources, to which the related projects could incrementally contribute. Such <br /> cumulative impacts from grading activities for projects within the City of Santa Ana would be <br /> reduced with the implementation of GPU PEIR MM GEO-1 through MM GEO-3. Additionally, all <br /> related projects (including those within Costa Mesa and Irvine) would adhere to their respective <br /> General Plan policies and/or mitigation measures to protect paleontological resources. The <br /> excavation required for the proposed subsurface parking garage could encounter sensitive <br /> sediments for paleontological resources. However, the Project would implement GPU PEIR MMs <br /> GEO-2 and GEO-3 and Project-Specific MM G-3, which would protect any discovered <br /> paleontological resources. Therefore, the Project's contribution to cumulative impacts on <br /> paleontological resources would not be cumulatively considerable, and therefore, would be less <br /> than significant with mitigation incorporated. <br /> 5.4 NOISE <br /> Threshold N-1: The Project would not result in generation of a substantial temporary or <br /> permanent increase in ambient noise levels in the vicinity of the project in <br /> excess of standards established in the local general plan or noise <br /> ordinance, or applicable standards of other agencies, with the <br /> implementation of mitigation. <br /> Findings: The City finds that changes or alterations have been required in, or incorporated into, <br /> the Project, which avoid or substantially lessen the significant environmental effect as identified <br /> in the Final Supplemental EIR. Specifically, the City finds that the following mitigation measure <br /> shall be implemented to reduce potentially significant noise impacts resulting from the Project <br /> (Draft Supplemental EIR, p. 4.9-32): <br /> Project-Specific MM NOI-1: Prior to the issuance of a permit to conduct nighttime <br /> construction activities (e.g., overnight concrete pours), the Project Applicant shall obtain <br /> a permit from the City to complete work outside the standard construction hours outlined <br /> in Santa Ana Municipal Code Section 18-314(e). In addition, the Project Applicant and/or <br /> contractor(s) shall develop a nighttime construction noise control plan that demonstrates <br /> the construction techniques that will be implemented to ensure noise levels remain below <br /> the Federal Transit Administration's (FTA's) nighttime construction noise criterion of 70 <br /> dBA Leq (A-weighted decibel equivalent sound level). Examples of such construction <br /> techniques include but are not limited to the following: <br /> • Locate stationary equipment (e.g., generators, air compressors, etc.) away from <br /> off site residences/sensitive receptors. <br /> Resolution No. 2025-041 <br /> Page 79 of 140 <br />