Agmt02 EDAW, Inc. - Laserfiche WebLink

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Accordingly, BAAQMD-provided control measures for construction related PMl0 emissions will be provided as mitigation measures for construction impacts. EDAW will assess long-term (i.e., operational) regional air pollutant emissions, including stationary and mobile source emissions. Regional mobile source emissions will be estimated based on trip generation data from the traffic analysis prepared for this EIR. The ARB-approved URBEMIS7G computer model will be used to estimate regional mobile source emissions associated with implementation of the Downtown Plan. Total regional operational emissions of criteria pollutants will be compared with applicable BAAQMD significance thresholds for operational emissions. EDAW will assess local mobile source impacts using the BAAQMD-recommended methodology and the Transportation Project-Level Carbon Monoxide Protocol (1995) adopted by the California Department of Transportation. Local mobile source impacts are typically quantified for congested areas (i.e., LOS E or worse) with high background carbon monoxide (CO) concentrations. Intersections will be modeled for peak-hour traffic to determine the potential for localized "hot spots." Modeled CO concentrations at sensitive receptors will be compared with State and federal 1- and 8- hour ambient air quality standards to determine impact significance. The analysis of long-term operational air quality impacts will include a qualitative analysis of health risks associated with emissions of toxic air contaminants associated with the Downtown Plan and each of the three Catalyst sites, to the degree possible. Potential increases in odor generation, as well as potential impacts to existing and proposed sensitive receptors will also be qualitatively discussed. Applicable control measures required by the ARB and/or the BAAQMD for the control of toxic or odorous air emissions will be presented. A list of mitigation measures will be prepared for any impacts found to be significant or potentially significant. The effectiveness of mitigation measures will be assessed in accordance with the BAAQMD CEQA Gui&lines. B5. Noise Similar to the traffic, circulation, and parking scope of work, EDAW will complete one noise analysis, which will be modified in format for inclusion in both the Downtown Area Plan EIR & Housing Element EIR. The EIRs will include a description of the existing noise environment, based on existing environmental documentation and onsite reconnaissance data. As part of the reconnaissance, EDAW will conduct noise monitoring at various locations on and in the vicinity of the downtown area to document existing noise levels. Relevant background information, including noise fundamentals, descriptors, and applicable federal, State, and local regulatory framework, will be described in the EIR. To assess potential short-term (i.e., construction) noise impacts, EDAW will identify sensitive receptors and their relative exposure (considering topographic barriers and distance). Noise levels of specific construction equipment will be determined and resultant noise levels at those receptors (at given distances from the source) will be calculated. Predicted noise levels will be compared with applicable State and local standards. To assess potential long-term (i.e., operational) noise impacts, EDAW will conduct traffic noise modeling based on daily traffic volumes obtained from the traffic analysis to be prepared for this EIR. The Federal Highway Administration (FHWA) traffic noise model will be used to determine roadway traffic noise levels (in Ldn/CNEL) for existing, existing-plus-project, and cumulative-plus-project scenarios for up to ten roadway segments. The FHWA model will allow the accurate calculation of Redwood City Downtown Plan EIR & 9 Housing Element EIR Scope of Work, EDAW Inc.