75A - PH BRISTOL ST MEMORY LN PROJECT

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ENVIRONMENTAL IMPACT REPORT ADDENDUM Bristol Street and Memory Lane Intersection Improvements — Project No. 17-6883 f For a project within the vicinity of a private airstrip, would the project result in a safety hazard for people residing or working in the project area? The Project site is not within the vicinity of a private airstrip and would not create any safety hazard. The proposed Project would not create additional significant impact. Impacts in this regard would not be greater than that previously analyzed in the 1990 FEIS/EIR. Certified 1990 FEIS/EIR Mitigation Measures: No 1990 FEIS/EIR mitigation measures are applicable. Mitigation Measures: No additional mitigation measures are required. g) Impair implementation of or physically interfere with an adopted emergency response plan or emergency evacuation plan? During construction, the disruption of traffic and access along Bristol Street and Memory lane would temporarily affect the mobility of emergency vehicles. However, provisions would be made for interim access through the Project corridor and to adjoining properties; traffic control plans would be prepared detailing provisions for vehicular movement and access through the Project corridor during construction. Advance warning and information signs would be used to inform motorists during the construction process. It is expected that two-way travel would be maintained along Bristol Street during construction. Although the proposed Project may interfere with an emergency evacuation plan, it would be short term during construction and mobility would improve once the Project is completed. Compliance with mitigation measures from the 1990 FEIS/EIR would ensure that impacts are not greater than previously analyzed in the 1990 FEIS/EIR. Certified 1990 FEIS/EIR Mitigation Measures: V-10 Traffic control plans will be prepared prior to each phase of construction. All traffic warning and control devices should comply to the provisions of the State of California Manual of Traffic Controls. V-12 The police and fire departments will be notified of construction at least one (1) month in advance, as to the particulars of the project (i.e., project time schedule, and areas to be disrupted, etc.). This action would give the police and fire departments sufficient time to notify its personnel of any significant impediments to traffic. V-13 The City will notify the police department at least 48 hours in advance of any turning changes. A minimum three (3) signs are required for each indicated change and/or prevention of movement. V-16 If feasible, construction activities and lane closures will occur primarily during non -peak driving periods. Mitigation Measures: No additional mitigation measures are required. h) Expose people or structures to a significant risk of loss, injury or death involving wildland fires, including where wildlands are adjacent to urbanized areas or where residences are intermixed with wildlands? The proposed Project is located in a highly -urbanized area of the City of Santa Ana. There are no wildlands in the Project vicinity and no new significant impacts would result with Project implementation. Impacts in this regard would not be greater than that previously analyzed in the 1990 FEIS/EIR. Certified 1990 FEIS/EIR Mitigation Measures: No 1990 FEIS/EIR mitigation measures are applicable. Mitigation Measures: No additional mitigation measures are required. Draft I November 2017 3.16 Environmental Consequences 75A-45