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Wagstaff and Associates Contract Exhibit "A" <br /> City of Redwood City Bair Island Road Development EIR <br /> October 25, 2001 Page 11--24 <br /> <br /> 2. Impacts. The project could affect air quality on two scales: local and regional. The <br /> following tasks are required to adequately address local scale impacts: <br /> <br /> · Key local intersections and road segments will be identified for carbon monoxide hot-spot <br /> modeling based on BAAQMD criteria and exposure of sensitive receptors to emissions <br /> from project traffic; <br /> <br /> · Microscale modeling of carbon monoxide levels near major intersections and road <br /> segments which would be affected by project-generated traffic will be performed using <br /> the CALINE-4 computer model; <br /> <br /> · Predicted carbon monoxide concentrations will be compared with state and federal <br /> standards; and <br /> <br /> · Vehicle starts within the project site under existing and future conditions will be <br /> determined, and on-site emissions will be quantified. <br /> <br />The following steps will be completed to evaluate the regional impacts of the proposed project: <br /> <br /> · Regional changes in emissions due to the project and alternatives will be completed for <br /> future years based on regional travel data provided by the project transportation <br /> consultant, using the URBEMIS7G computer program; <br /> <br /> · Existing vehicle emissions from current use of the project site will be calculated using the <br /> URBEMIS7G program; and <br /> <br /> · Net emission changes resulting from the project will be quantified, and the significance of <br /> these changes will be determined using the thresholds of significance recommended by <br /> the Bay Area Air Quality Management District. <br /> <br />Air quality impacts from project construction would also be addressed, as follows: <br /> <br /> · Emissions associated with earthmoving and export of material to or from the site will be <br /> calculated; and <br /> <br /> · Proposed grading/construction plans will be reviewed to identify potential nuisance <br /> impacts during the construction period for neighboring properties. <br /> <br />3. Mitiqation. Donald Ballanti will identify the following types of air emissions mitigation: <br /> · Construction phase controls and practices warranted to reduce dust impacts will be <br /> identified; <br /> <br /> · Air quality mitigation measures or programs already included within the project, and <br /> mitigation measures incorporated in the project design, will be identified; and <br /> <br /> · Mitigation measures for air quality impacts, such as transit, bicycle, and pedestrian <br /> incentives and site planning to reduce travel, will be developed in consultation with the <br /> EIR transportation consultant. The effectiveness of these measures will be evaluated. <br /> <br />WP511622tMISClO013-2. EXA <br /> <br /> <br />