Item 14 - Award of a Construction Contract for Bristol St and Memory Lane Intersection

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ENVIRONMENTAL IMPACT REPORT ADDENDUM Bristol Street and Memory Lane Intersection Improvements — Project No. 17-6883 According to the 2015 Orange County Congestion Alaaagement Program, prepared by the Orange County Transportation Authority, dated November 2015, the intersection of Bristol Street and Memory Lane is not a CMP intersection, nor is this intersection located along a CMP Highway System. Further, as discussed in Response 3,16(a), the proposed Project would result in an improvement to both the AM and PM Peak Hour LOS. As the proposed Project would not increase the capacity of the roadway network, the Project would not result in greater impacts than that previously analyzed in the 1990 FEIVEIR. Certified 1990 FEISIEIR Mitigation Measures: No 1990 FEISIEIR mitigation measures are applicable Mitigation Measures: No additional mitigation measures are required. c) Result in a change in air trgrw patterns, including either an increase in triew- levels or a change in loeo on that results in substantial safety risks? The closest airport to the site is John Wayne — Orange County Airport, located approximately 5.9 miles southeast of the Project site; the proposed Projeet would have no impact on air traffic patterns. The proposed Project would not introduce any new risks or increase risks. Impacts would not be.greater than that previously analyzed in the 1990 FE[SIE[R. Certified 1990 FEISIEIR Mitigation Measures: No 1990 FEISMIR mitigation measures are applicable Mitigation Measures: No additional mitigation measures are required. 14 Substantially increase hazards due to a design feature (e.g., sharp curves or dangerous intersections) or incompalihle uses (e.g., farm. equipmeo ? The proposed Project would improve the traffic flow at the Bristol Street and Memory Lane intersection and would not create any sharp curves or other incompatible uses. Impacts would not be greater than that previously analyzed in the 1990 FEIS/E[R. Certified 1990 FEISIEIR Mitigation Measures: No 1990 FEISMIR mitigation measures are applicable Mitigation Measures: No additional mitigation measures are required. e) Result in inadequate emergency access? The proposed Project would improve traffic operations along Bristol Street in the long-term. During the construction phase traffic flow along Bristol Street within the Project limits could be temporarily affected, including the mobility of emergency vehicles; however, access, including two --way travel would be maintained through the Project corridor during construction. Traffic control plans would be prepared prior to construction to facilitate traffic movement through the Project corridor during construction Although the proposed Project may interfere with emergency access in the short-term, it would improve emergency access once the Project is completed. Implementation of 1990 FEISIEIR Mitigation Measures V-10, V-12, V-13 and V-16 would reduce impacts associated with inadequate emergency access to a Iess than significant Ievel. Impacts would not be greater than that previously analyzed in the 1990 FEISIEIR. Certified 1990 FEISIEIR Mitigation Measures: Referto.1990 FEISIEIR Mitigation Measures V-10, V=12, V-13, and V-16. Mitigation Measures: No additional mitigation measures are required. f) Conflict WM adopted policies, plans, or programs regarding public transi4 bicycle, or pedestrian facilities, or otherwise decrease the performance or safety of such facilities? The proposed Project would not conflict with any altemative transportation plan and would increase safety associated with improvements to the traffic operations through the Project area. The proposed Project would not Final I December 2017 3-26 Environmental Consequences