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City of Pleasanton—Additional Housing Sites Rezonings Project <br />CEQA Guidelines Section 15164 Addendum Addendum <br /> <br /> <br /> 111 <br />b) Generation of Groundborne Vibration or Groundborne Noise Levels <br />Would the project: Expose persons to or generation of excessive groundborne <br />vibration or groundborne noise levels? <br />Summary of Prior FEIR <br />Construction associated with buildout of the General Plan would generate <br />temporary noise from equipment, worker travel, and site activity, but these <br />effects would be limited by the City’s Municipal Code, which restricts <br />construction hours and noise levels. Larger projects would undergo <br />project-specific review, allowing additional mitigation where needed, and <br />the City’s enforcement program would continue to address any complaints. <br />Groundborne vibration would also occur intermittently during construction, <br />with the potential for structural damage or annoyance only when <br />high-impact activities occur close to buildings or sensitive receptors. Most <br />projects requiring pile driving would be reviewed through the PUD process, <br />and Program 1.6 of the Noise Element requires vibration studies to ensure <br />appropriate safeguards. With these regulatory requirements and review <br />procedures in place, construction-related noise and vibration impacts under <br />the General Plan would remain less than significant. <br />Proposed Project Analysis and Conclusion <br />Consistent with the Prior FEIR, future construction activities associated with <br />development of the proposed sites could generate groundborne vibration. <br />However, required compliance with Program 1.6 of the Noise Element would <br />ensure that potential construction vibration impacts generated by future <br />development projects would be reduced to less than significant. <br />Operational vibration impacts would remain less than significant because the <br />land use types (residential and commercial) would not generate permanent <br />sources of groundborne vibration; therefore, operational vibration impacts <br />would be less than significant. <br />Therefore, impacts would remain less than significant, and the proposed <br />project would not result in a new or more severe adverse impact that was <br />not previously identified and disclosed in the Prior FEIR. No further analysis is <br />required.