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City of Santa Ana - Park View at Town and Country Manor <br />Draft EIR <br />Level of Significance After Mitigation <br />Less than significant. <br />Cumulative Impacts <br />Impact 4.5 -6 The project would not result in cumulatively considerable impacts to noise. <br />Noise <br />The incremental increase in cumulative traffic noise in the project area from implementation of the <br />proposed project is small. Future noise levels for year 2030 with the project would not experience a <br />substantial increase in noise levels of 3 dBA or greater (based on Caltrans standards) when compared <br />with conditions without the project. <br />Table 4.5 -13 shows that for the year 2030 with project condition at 100 feet, when compared to the <br />year 2030 baseline condition, no additional roadway segments would exceed the City's 65 dBA <br />CNEL residential standard. The noise levels on all roadway segments would range from 59.5 to 67.9 <br />dBA CNEL. <br />Table 4.5 -15 indicates that for the year 2030 conditions, the noise level contributions from the <br />proposed project to the study area roadways would range from 0.0 to 0.1 dBA CNEL. A 0.1 dBA <br />noise increase would occur on Lawson Way south of Town and Country Road, and both analyzed <br />segments of Memory Lane. None of the roadway segments would exceed the thresholds of <br />significance, however. No significant offsite noise impacts from project - related vehicle noise would <br />occur along the study area roadways segments for the year 2030 conditions. <br />The project's incremental contribution to cumulative noise impacts in the project area is considered <br />less than significant. <br />Level of Significance Before Mitigation <br />Less than significant. <br />Mitigation Measures <br />No mitigation measures required. <br />Level of Significance After Mitigation <br />Less than significant. <br />Michael Brandman Associates 4.5 -33 <br />H\Cl t (PN JN)b327b327W3MME 3270030 Sec0 Noi�.doc <br />