6 - GPA19-01; AA19-01_651 W SUNFLOWER AVENUE

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Legacy Sunflower Apartments Page 59 Mitigated Negative Declaration – March 14, 2019 e) For a project located within an airport land use plan, or where such a plan has not been adopted, within two miles of a public airport, will the project result in a safety hazard or excessive noise for people working or residing in the project area? No Impact. The closest airport to the site is John Wayne Airport (JWA), which is approximately one mile southeast of the project. JWA has an adopted airport land use compatibility plan that is called the Airport Environs Land Use Plan (AELUP). The AELUP is a land use plan for the orderly growth for JWA and the surrounding area. The AELUP includes noise impact zones, clear zones and height restriction zones associated with JWA. The project is not located within an Airport Impact Zone, Noise Impact Zone, Clear Zone, or Height Restriction Zone of John Wayne Airport. However, there is a height restriction overlay zone of 200 feet above the ground of all property throughout Orange County for airport safety. Thus, even for projects that lie outside of the Clear or Accident Potential Zones and 60 dB CNEL contours for JWA the height restriction is applicable. The maximum height of the tallest building on the site is 75’ in height and the parapet and elevator tower increase the total building height to 47’ – 53’ and less than the 200‘ height criteria for JWA. The project is not located within the boundary of the John Wayne Airport land use plan and would not exceed the 200’ height limit of buildings within the airport planning area. The project would not have any safety impacts to or impacted by the operations at John Wayne Airport. Because the airport is more than a mile southeast of the site the project residents would not be significantly impacted by any noise associated with the on-going operations of the airport. f) Impair implementation of or physically interfere with an adopted emergency response plan or emergency evacuation plan? No Impact. All of the proposed improvements are located on private property. Although Sunflower Avenue and Flower Street, which are adjacent to and south and west of the project, respectively are used as emergency evacuation routes for the area they are not adopted emergency routes. The project would not interfere with or impact the ability of these two roadways to continue to serve as emergency routes for the project area. The project would not impact any emergency evacuation routes. g) Expose people or structures, either directly or indirectly, to a significant risk of loss, injury or death involving wildland fires? No Impact. Based on the analysis in section “XIX.a)” in this MND, the City of Santa Ana is not located within a Very High Fire Hazard Severity Zone or a Moderate, High or Very High fire hazard zone. See section “XIX.a)” for a detailed discussion and analysis. Because the project is not within any designated wildland fire areas the project would not be exposed to or impacted by a wildland fire. X. HYDROLOGY AND WATER QUALITY: Would the project: a) Violate any water quality standards or waste discharge requirements or otherwise substantially degrade surface or ground water quality? Less Than Significant Impact. A Preliminary Water Quality Management Plan (WQMP)23 and a Preliminary Hydrology Study24 were prepared for the project. Both reports are included in Appendix D. Silt could be generated from the site during site demolition, project grading and the construction of the project, especially if construction occurs during the winter months when rainfall typically occurs. The City would require the project developer to prepare a Storm Water Pollution Prevention Plan (SWPPP) in accordance with California State Water Resources Control Board (State Water Board), Construction General Permit Order 2009-0009-DWQ, National Pollutant Discharge Elimination System (NPDES) General Permit No. CAS618030 (Permit). The SWPPP would require the contractor to implement Best 23 City of Santa Ana/Santa Ana Region Priority Project, Preliminary Water Quality Management Plan (WQMP), Legacy Sunflower, 651 Sunflower Avenue, Santa Ana, California, C&V Consulting, November 2018. 24 Preliminary Hydrology Study, 651 Sunflower Avenue, Santa Ana, California 92707, C&V Consulting, November 2018. 6-81