55A - RESO - ADDENDUM BRISTOL STREET WIDENING

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ENVIRONMENTAL IMPACT REPORT ADDENDUM Bristol Street Widening Phase HIS — Washington Avenue to 17`" Street c.) Directly or indirectly destroy a unique paleontological resource or site or unique geologic feature? As documented in Chapter VI, Resources Element, of the County of Orange General Plan, the Project site is not located in an area of paleontological sensitivity. Also, the proposed Project would involve only shallow excavation. Furthermore, since the Project area is already developed, the potential for discovering paleontological resources during construction is low. Soils occurring in the Project area are mostly Quaternary Alluvium. Typically, these deposits are less than 10,000 years old, and not likely to contain important fossils. No greater impacts to paleontological resources than previously analyzed in the 1990 FEIS/EIR would result from Project implementation. Mitigation Measures No new additional mitigation measures are required. 1G) Disturb any human remains, including those interred outside offormal cemeteries? The Project site is located within a highly urbanized area within the City of Santa Ana. No formal cemeteries are located within the Project area or vicinity. However, in the event that human remains are uncovered during grading or excavation, contractors are required to comply with the procedures and requirements set forth in the California Health and Safety Code Section 7050.5 and CPRC Section 2098.98. The County Coroner and, in the event that the remains are Native American, the Native American Heritage Commission would be notified and, in turn, would notify those persons believed to be most likely descended from the deceased for appropriate disposition of the remains. The proposed Project would not result in an impact to human remains greater than previously analyzed in the 1990 FEIS/EIR. Mitigation Measures No new additional mitigation measures are required. 3.6 Geology and Soils This section corresponds with Section IV - Environmental Consequences and Mitigation Measures, Subsections A - Landform Modification, B - Seismic Hazards, C - Erosion Impacts, and F - Water Quality, of the previously approved 1990 FEIS/EIR. a.)i Rupture of a known earthquake fault, as delineated on the most recent Alquist- Priolo Earthquake Fault Zoning Map issued by the State Geologist for the area or based on other substantial evidence of a known fault? Refer to Division of Mines and Geology Special Publication 42. The City of Santa Ana is not included in the Alquist - Priolo Earthquake Fault Zoning Map. The Project site is not underlain by an active fault and the closest fault, the Newport- Inglewood Fault, is ANA 111-334 (PER- 02 -01) CITY OF SANTA ANA (01/30/2014 REV3) 132897 CM PAGE 32 55A -41