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this threshold, alternative uses such as drilling piles as opposed to pile driving and <br /> static rollers as opposed to vibratory rollers shall be used. If necessary, construction <br /> vibration monitoring shall be conducted to ensure vibration thresholds are not <br /> exceeded. <br /> N-3 New residential projects (or other noise-sensitive uses) located within 200 feet of <br /> existing railroad lines shall be required to conduct a groundborne vibration and noise <br /> evaluation consistent with Federal Transit Administration (FTA)-approved <br /> methodologies. <br /> N-4 During the project-level California Environmental Quality Act (CEQA) process for <br /> industrial developments under the General Plan Update or other projects that could <br /> generate substantial vibration levels near sensitive uses, a noise and vibration <br /> analysis shall be conducted to assess and mitigate potential noise and vibration <br /> impacts related to the operations of that individual development. This noise and <br /> vibration analysis shall be conducted by a qualified and experienced acoustical <br /> consultant or engineer and shall follow the latest CEQA guidelines, practices, and <br /> precedents. <br /> Finding <br /> Finding 1. The City hereby makes Finding 1. Changes or alterations have been required in, or <br /> incorporated into, the project that avoid or substantially lessen the significant environmental <br /> effect as identified in the PEIR. These changes are identified in the form of the mitigation <br /> measures above. The City of Santa Ana hereby finds that implementation of the mitigation <br /> measures is feasible, and the measures are therefore adopted. <br /> 6. Tribal Cultural Resources <br /> Impact 5.17-1: The proposed project could cause a substantial adverse change in the <br /> significance of a tribal cultural resource that is listed or eligible for listing <br /> in the California Register of Historical Resources or in a local register of <br /> historical resources as defined in Public Resources Code Section <br /> 5020.1(k). <br /> The Sacred Land File search yielded positive results, indicating that known tribal resources exist <br /> within the plan area. Further, a CHRIS records search at SCCIC indicates that 23 archaeological <br /> resources were previously recorded within 0.5 mile of the plan area. Of these resources, eight <br /> archaeological resources were located within the plan area; these include four prehistoric sites <br /> with habitation debris and Iithic scatters, one multicomponent site, and three historic isolates. The <br /> plan area includes many locations that would have been favorable for prehistoric Native American <br /> occupation. While the city is urbanized and most of the plan area has been developed, buried <br /> resources may remain in areas of minimal ground disturbance, such as parks, parking lots, and <br /> structures with shallow foundations. Tribal cultural resources are site specific in nature. <br /> Santa Ana General Plan Update <br /> CE 5T ac an Statement 32 — 58 2 <br /> Of ri ing onsiderations -35- 61 /Rer�0 2 1 <br />