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01/24/2011 Exhibit B additional demand on the City's water distribution system. However, modeling of the potential effects of future development allowed under the DPP on the municipal water distribution system indicate that the existing water lines serving the DPP area have the capacity to handle the normal requirements of development under the DPP. Therefore the cumulative impact of the DPP related to the water distribution system would be less than significant. Impact 17i. Cumulative Wastewater Service Impacts. The demand on the City's wastewater treatment system, treatment capacity and collection system will be increased by projected cumulative development totals for Redwood City. However, the waster water treatment facility, treatment capacity and collection system are all adequate to meet the increased demand caused by development under the DPP itself. Therefore the contribution of the DPP to the significantly cumulative impact related to wastewater services will be less than significant. Impact 17j. Cumulative Noise Impacts. The projected cumulative development would not result in a perceivable (3 dBA) traffic noise increase along streets in the DPP area or in the city as a whole, and thus cumulative impacts related to vehicular traffic noise levels would be less than significant. Impact 17k. Cumulative Ground -Borne Vibration Impacts. The DPP could expose new sensitive land uses in the Downtown to increases in future ground -borne vibration levels due to development along the planned California High Speed Rail Corridor, but implementation of Mitigation 11 -2 (DPP - Related Permanent Ground -borne Vibration Impacts) would reduce the impact to a less than significant level, and as a result, the contribution of the DPP to this cumulative noise and vibration impact would be less than considerable and thus less than significant. Impact 171. Consistency with Clean Air Plan — Cumulative Impacts. The air quality impact analysis concluded that the projected increase in vehicle trips under the DPP would be less than the projected increase in population and therefore consistent with the Clean Air Plan. Therefore, the DPP would represent a less than considerable contribution to the significant cumulative impact related to Clean Air Plan consistency, and thus a less than significant impact. Impact 17m. Cumulative Localized Carbon Monoxide Impacts. Modeling of carbon monoxide concentrations at congested intersections throughout the city under cumulative traffic conditions conducted for the Redwood City New General Plan EIR found that predicted carbon U:\Resolutions\2011\Reso 15086 Exhibit B.doc 17 012011 Reso. # 15086 Muff #601