75B - PH - RESO FOR EIR WARNER AVE WIDEN

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social, technological, or other benefits of the project outweigh the significant effects of the proj ect. Pursuant to Public Resources Code Section 21081(b) and the State CEQA Guidelines Section 15093, the City has balanced the benefits of the project against the following unavoidable adverse impacts associated with the project and has adopted all feasible mitigation measures with respect to these impacts. The City also has examined alternatives to the project, none of which both meets the project objectives and is environmentally preferable to the proposed project for the reasons discussed in the Findings and Facts in Support of Findings. II. SIGNIFICANT AND UNAVOIDABLE ADVERSE IMPACTS Although most potential project - related impacts have been substantially reduced or avoided through mitigation, as described in the Findings of Fact, there remain some impacts for which complete mitigation is not feasible. For some impacts, mitigation measures were identified and adopted, but even with implementation of the measures, the City finds that the impact cannot be reduced to a less than significant level. The Final FIR identified the following project- related significant unavoidable adverse impacts. A. NOISE — Construction Construction activities would substantially elevate noise levels in the vicinity of noise- sensitive land uses for an extended duration. Short-term noise would be associated with the site preparation, grading, and building construction of the proposed road widening. The existing noise levels at receptors along Warner Avenue range from 69.5 to 72.8 dBA Leg. Each construction phase would generate noise levels ranging from 82 to 87 dBA Leq at 25 feet; however it would fluctuate throughout the workday because equipment would not be in use at one location for an extended period of time. Because the operation of heavy earthmoving equipment has the potential to substantially elevate noise levels at nearby residential areas for an extended duration over several months, construction noise is considered significant. Mitigation Measure N -1 requires the location of sound walls included in final roadway construction plans; Mitigation Measure N -2 requires that vibratory rollers not be used within 30 feet of homes; Mitigation Measure N -3 puts restrictions on construction vehicles and equipment; and Mitigation Measure N -4 requires early construction of permanent sound walls. Mitigation Measures N -1, N -2, N -3, and N -4 would reduce noise generated by construction activities to the extent feasible; however, construction -phase noise impacts are still anticipated to occur; therefore, this impact is considered significant and unavoidable. B. TRANSPORTATION AND TRAFFIC — Construction Project construction would temporary affect traffic flow along Warner Avenue and surrounding streets, and significantly impact Warner Avenue/Main Street and Warner Avenue /Halladay Street intersections. Construction would be completed in linear segments so the entire length of Warner Avenue within the project limits is not disrupted at once. During demolition and construction, the four existing travel lanes on Warner Avenue would be narrowed to two lanes, one lane in each CEQA Statement of Overriding Considerations -2- Warner Avenue Improvements & Widening from Main Street to Grand Avenue Aug 2015 75B -31