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APPENDIX A: MITIGATION MONITORING AND REPORTING PLAN <br />Mittgatlon Meatsure <br />Implerr+ent3tl0nJ <br />Monitoring Entity lmplernentatlon ? <br />Monitoring Method <br />Svhodule <br />cc <br />c) A description of containment and/or diversionary structures or <br />equipment to prevent discharged hazardous materials from reaching <br />(I <br />navigable waters, such as dikes, berms, or retaining walls; curbing; <br />Q <br />culverting, gutters, or other drainage systems; weirs, booms, or other <br />barriers; spill diversion ponds; retention ponds; sorbent materials. <br />d) Where appropriate, a demonstration that containment and/or <br />diversionary structures or equipment are not practical and a strong <br />hazardous materials spill contingency plan and a written <br />commitment of manpower, equipment, and materials to quickly <br />control and remove spilled materials. <br />e) A complete discussion of the spill prevention and control measures <br />applicable to the project site. <br />Mitigation Measure Hydrology -6: The applicant shall conduct hydrological <br />Building, Infrastructure, and <br />Building, <br />Prior to issuance <br />calculations for pre -development and post -development peak discharge and <br />Transportation Department <br />Infrastructure, and <br />of building <br />downstream drainage facilities. The calculations shall use the Rational Method to <br />to review and approve <br />Transportation <br />permits <br />calculate peak discharge for the 2 -year, 10 -year, and 100 -year storm events. A <br />hydrological calculations <br />Department <br />change in peak flow of 5% or greater would require implementation of mitigation <br />measure Hydrology -7. <br />Mitigation Measure Hydrology -7: Prior to recordation of the Final Map, the <br />Building, Infrastructure, and <br />Building, <br />Prior to <br />applicant shall submit to the City Engineer of Redwood City for review and approval <br />Transportation Department <br />Infrastructure, and <br />recordation of the <br />a plan to mitigate increases in peak discharge such that post construction peak <br />to review and approve the <br />Transportation <br />Final Map <br />discharge does not exceed preconstruction peak discharge by more than 5%. All <br />peak discharge plan <br />Department <br />drainage improvements shall be constructed in accordance with Redwood City's <br />Storm Drain Design Criteria (Engineering Standards Volume 3, Part V). The <br />applicant shall confer with the City Engineer prior to the preparation of the plan for <br />the purpose of receiving specific direction on the plan and what would be acceptable <br />to the City. The applicant shall comply with all recommendations presented in the <br />approved plan to mitigate increases in peak discharge at all times. Design elements <br />in the plan could include: <br />a) Reconfiguration and/or redesign of bioretention swales; <br />b) Reconfiguration and/or redesign of detention pipelines or basins; and <br />c) Addition of detention tanks. <br />A-22 Laurel Way Planned Development Revised Final EIR <br />February 2013 <br />