31B - CUP - 1901 NORTH FAIRVIEW ST

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City of Santa Ana Environmental Checklist developed, in part, based on regional population, housing, and employment projections prepared by SCAG. The project site is located within the City of Santa Ana PO (Professional Office) land use designation and zoning designations, which provides for school uses along with approval of a CUP. Hence, the existing land use and zoning for the project site and vision for the land use and zoning is consistent with the proposed project, as further detailed in the Section X, "Land Use and Planning." The proposed project includes a residential component that would provide year -round housing for 80 Orange County foster students. These students are existing members of the community. Thus, the project would not result in unanticipated population growth, as discussed in Section XIII, "Population and Housing." Therefore, all project - related emissions are accounted for in the AQMP, which is crafted to bring the Basin into attainment for all criteria pollutants. Additionally, all construction activities will be in compliance with AQMP regulatory measures, including SCAQMD rules pertaining to fugitive dust (Rules 403, 404, and 405), visibility of emissions (Rule 401), nuisance activities (Rule 402), and limiting VOC content in both asphalt and architectural coatings (Rules 1108 and 1113). Finally, as discussed below under III,b, project operational emissions would fall below the SCAQMD thresholds of significance. Accordingly, the proposed project would be consistent with the projections in the AQMP. No impact would occur with respect to AQMP implementation and no mitigation measures are required. G. Violate any air quality standard or contribute substantially to an existing or projected air quality violation? Less - than - Significant Impact with Mitigation Incorporated. As discussed above, the project site is located within the Basin, where state and federal air quality standards are occasionally exceeded. The proposed project would contribute to regional air pollutant emissions during construction (short -term) and project operations (long- term). Construction Impacts Construction of the proposed project has the potential to create air quality impacts through the use of heavy -duty construction equipment and through vehicle trips generated from construction workers traveling to and from the project site. In addition, fugitive dust emissions would result from site work related to the cut and fill of 500 and 5,000 total cubic yards of soil materials, respectively. Mobile source emissions, primarily NOx, would result from the use of construction equipment such as graders, scrapers, bulldozers, wheeled loaders, and cranes. During the structure erection /finishing phase, paving operations and the application of architectural coatings (i.e., paints) and other building materials would release ROC emissions. Construction emissions can vary substantially from day to day, depending on the level of activity, the specific type of operation, and, for dust, the prevailing weather conditions. The assessment of construction air quality impacts considers each of these potential sources. Construction of the proposed project is anticipated to take approximately 24 months to complete, divided into two phases. The total magnitude of construction activity, duration of construction activity, and intensity of construction activity would have a substantial effect upon the quantity of construction emissions (and related pollutant concentrations) occurring at any one time. As such, the emission forecasts provided herein reflect a specific set of conservative assumptions based on the expected construction scenario wherein a relatively large amount of construction activity is The Academy Charter High School 1 202 Initial Study /Mitigated Negative Declaration ICF 3-21 June ne 20 2 i ; •h