2019-050 -Adopting Local CEQA Guidelines

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Local Guidelines for Implementing the California Environmental Quality Act (2019) INITIAL STUDY The significance of a historical resource is materially impaired when a project: (a) Demolishes or materially alters in an adverse manner those physical characteristics of a historical resource that convey its historical significance and that justify its inclusion in, or eligibility for inclusion in, the California Register of Historical Resources; (b) Demolishes or materially alters in an adverse manner those physical characteristics that account for its inclusion in a local register of historical resources or its identification in a historical resources survey, unless the Lead Agency establishes by a preponderance of evidence that the resource is not historically or culturally significant; or (c) Demolishes or materially alters in an adverse manner those physical characteristics of a historical resource that convey its historical significance and that justify its eligibility for inclusion in the California Register of Historical Resources as determined by the Lead Agency for purposes of CEQA. Generally, a project that follows either one of the following sets of standards and guidelines will be considered mitigated to a level of less than significant: (a) the Secretary of the Rehabilitating, Restoring and Reconstructing Historic Buildings; or (b) the Secretary of the Standards for Rehabilitation and Guidelines for Rehabilitating Historic Buildings (1995), Weeks and Grimmer. In the event of an accidental discovery of a possible historical resource during construction of the project, the City may provide for the evaluation of the find by a qualified archaeologist or other professional. If the find is determined to be a historical resource, the City should take appropriate steps to implement appropriate avoidance or mitigation measures. Work on non-affected portions of the project, as determined by the City, may continue during the process. Curation may be an appropriate mitigation measure for an artifact that must be removed during project excavation or testing. 5.15 E VALUATING I MPACTS ON A RCHAEOLOGICAL S ITES. When a project will impact an archaeological site, the City shall first determine whether the site is a historical resource, as defined in Local Guidelines Section 11.28 If the archaeological site is a historical resource, it shall be treated and evaluated as such, and not as an archaeological resource. If the archaeological site does not meet the definition of a historical resource, but does meet the definition of a unique archaeological resource set forth in Public Resources Code Section 21083.2, the site shall be treated in accordance with said provisions of the Public Resources Code. The time and cost limitations described in Section 21083.2(c-f) do not apply to surveys and site evaluation activities intended to determine whether the project site contains unique archaeological resources. If the archaeological resource is neither a unique archaeological resource nor a historical resource, the effects of the project on those resources shall not be considered a significant effect on the environment. It shall be sufficient that both the resource and the effect on it are noted in the Initial Study or EIR, if one is prepared to address impacts on other resources, but they need not be considered further in the CEQA process. 2019 City of Santa Ana Local Guidelines 5-13 ©Best Best & Krieger LLP