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File Number: 15-441 <br />An impact of keen interest to the City and the public is HYDRO -7, which identifies a significant <br />impact because housing and other development could be placed within the 100 -year <br />floodplain, within a designated coastal high hazard area, and within areas subject to sea level <br />rise. Mitigation Measure HYDRO -7 requires flood -proofing in accordance with the City's <br />floodplain management ordinance. It also requires a sea level rise assessment to be <br />implemented through the detailed project -level plans that will be reviewed by the City as part <br />of the site plan review and tentative map process. <br />Any Project approval by the City Council will be required to adopt findings related to the <br />impacts and mitigation measures and to adopt a Mitigation Monitoring and Reporting Program <br />(MMRP), as described below. <br />Not all of the Project's significant impacts can be avoided or reduced to less than significant. <br />As shown in Table 1-1 (revised in the Final EIR), some impacts will remain significant and <br />unavoidable, even after feasible mitigation. Under these circumstances, any Project approval <br />by the City Council will be required to adopt a Statement of Overriding Considerations in <br />addition to the mitigation findings and MMRP. The significant unavoidable impacts relate to <br />greenhouse gas emissions, noise and traffic/transportation, as summarized below. <br />• GHG-1. Implementation of the Project would directly or indirectly generate GHG <br />emissions that may have a significant impact on the environment. <br />• GHG-3. Implementation of the Project would directly or indirectly generate GHG emissions <br />that may have a cumulatively considerable and therefore significant impact on the <br />environment. <br />• NOISE -2. Implementation of the Project could result in the exposure of persons to or <br />generation of excessive groundborne vibration or groundborne noise levels. <br />• NOISE -3. Implementation of the Project would result in a substantial permanent increase <br />in ambient noise levels in the vicinity of the project site above levels existing without the <br />Project. <br />• TRAF-2A. The proposed Project would cause the I-880 northbound segment north of <br />Davis Street to reduce from LOS E to LOS F in the PM peak hour under Year 2020 <br />conditions. <br />• TRAF-2113. The proposed Project would cause the volume -to -capacity (v/c) ratio on the <br />northbound segment of Doolittle Drive, which would operate at Level of Service (LOS) F, to <br />increase by 0.06 under Year 2020 conditions and by 0.04 under Year 2035 conditions in <br />the PM peak hour. <br />• TRAF-7113. The addition of traffic associated with implementation of the proposed Project <br />would cause 1-880 southbound ramps and Marina Boulevard (#14) to reduce to LOS E <br />during both AM and Saturday peak hours, and would further reduce the service levels from <br />LOS E to LOS F in the PM peak hour, under Near -Term Cumulative Conditions. . <br />• TRAF-7C. The proposed Project would cause operations at the intersection of San <br />Leandro Boulevard and Marina Boulevard (#18) to reduce from LOS D to LOS E in the AM <br />peak hour, adding to the existing substandard LOS F in the PM peak hour and cause the <br />volume -to -capacity (v/c) ratio to increase by 0.07 under Near -Term Cumulative Conditions. <br />City of San Leandro Page 7 Printed on 7114/2015 <br />