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LSA ASSOCIATES, INC. <br />APRIL 2018 <br />Table 1: Mitigation Monitoring and Reporting Program <br />Impact Mitigation Measures <br />HYD -2 Continued The detailed hydraulic evaluations should also identify <br />receptors and properties that could be affected by the <br />potential changes to flooding conditions. If project <br />improvements could cause erosion, alter existing flooding <br />conditions, or contribute to exceeding the capacity of <br />stormwater drainage systems, project designs shall be <br />modified to reduce the potential flooding and erosion <br />impacts. Modifications to project designs may include the <br />following measures. <br />• Altering the location and design of the retaining wall <br />and embankments that would be constructed to raise the <br />elevation of the project site. <br />• Installing erosion controls systems such as rock <br />protection or erosion resistant vegetation. <br />• Increasing the size of proposed culverts. <br />• Installing cross-flow culverts for improvements through <br />flood zones. <br />• Improving existing off-site stormwater drainage systems <br />that would receive runoff from the project site. <br />• Installing on-site stormwater detention systems in <br />accordance with the City's drainage guidelines for <br />residential development. <br />• Including additional storage by replacing the existing <br />storm drain line within Maple Street with a new 48 -inch <br />storm drain line or larger from US 101 up to and <br />including the tide gate at Redwood Creek to account for <br />tide gate operation of the existing outfall, as determined <br />by the Engineering and Transportation Division. <br />The detailed hydraulic evaluations and proposed changes to <br />the project designs, if necessary, shall be submitted to the <br />City and any other regulatory agencies that have <br />jurisdiction over the improvements prior to the issuance of <br />a grading permit. <br />ATTY/RESO.0035/CC RE50 CERTIFYING FINAL EIR-1548 MAPLE <br />REV: 04-30-18 PR <br />Page 47 of 49 <br />1548 MAPLE STREET PROJECT <br />MITIGATION MONITORING AND REPORTING PROGRAM <br />Timeframe for Responsibility for Oversight of <br />Implementation Implementation Implementation <br />RESO. NO. 15661 <br />MUFF NO. 601 <br />