Agmt12 David J. Powers and Associated, Inc.

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source and cumulative source impacts. A cancer risk assessment is typically based on a 70-year lifetime exposure. Because the project proposes senior housing, the exposure risks will be adjusted accordingly. If significant impacts are identified based on the technical analysis, mitigation measures will be identified. Noise The project site is located adjacent to EI Camino Real. The project site is within the General Plan 70 to 75 dBA noise contours which exceeds the 60 dBA DNL maximum compatible noise level established by the City of Redwood City. In addition, the project site is located adjacent to residential development; therefore, construction activities will create noise that could temporarily affect sensitive receptors in the vicinity of the project site. A noise assessment will be prepared based on existing data in the General Plan and General Plan EIR to provide existing noise level information for the project area and to address interior noise and land use compatibility issues. The noise analysis will assess the impacts of exterior noise on the project as well as construction and operational noise from the project. Mitigation measures will be developed as required to reduce identified impacts. Hydrology and Water Quality Implementation of the proposed project will result in an increase in impervious surfaces on the project site. The IS will describe the existing storm drainage conditions in the project area and will address the changes in storm drainage conditions from construction of the project, based upon information provided by the project applicant. The information will include existing and future (with project) areas of pervious and impervious surfaces and a list of proposed stormwater control measures. Mitigation measures will be identified to minimize significant hydrological and water quality impacts, as appropriate. Land Use The IS will describe the existing land uses on the project site and in the vicinity, and will discuss the projects conformance with relevant General Plan policies, the Grand Boulevard Initative, and surrounding land uses. The proposed rezoning of the project site will also be discussed. Potential land use impacts will be identified, and mitigation measures will be described, as appropriate. Transportation The VTA Congestion Management Plan (CMP) guidelines state that a project's traffic impacts should be analyzed during the weekday AM and PM peak periods if the project will add more than 100 peak hour trips to the roadway network. While the proposed project would not generate more than 100 peak hour trips, the project applicant has had a transportation impact analysis (TIA) prepared. The IS will describe the existing traffic ATTY/AGR/2012.054/DAVID J POWERS AND ASSOCIATES KENSINGTON ASSISTED LIVING FACILITY REV:05-08-12 VR Page 11 of 15