75A - PH 3321 SOUTH FAIRVIEW ST - Laserfiche WebLink

Home Browse Search

Environmental Checklist For CEQA Compliance Avenue and South Fairview Street. Units along South Fairview Street could be exposed to worst-case traffic noise levels of approximately 70.8 CNEL, and as a result, these units would require maximum outdoor to indoor noise reduction requirements of 25.8 dBA to comply with the 45 CNEL requirement (Mestre Greve Associates 2007:15). Units along Alton Avenue could be exposed to worst case traffic noise levels of approximately 65.0 CNEL (Mestre Greve Associates 2007:15). As a result, these units along Alton Avenue would require maximum outdoor to indoor noise reduction requirements of 20.0 dBA to comply with the 45 CNEL noise standard (Mestre Greve Associates 2007:15). Impacts are potentially significant but can be mitigated with the incorporation of the mitigation measures below. Other potential long-term, onsite noise can be generated by the commercial center to the south of the proposed project site. This commercial center includes a Ralph's grocery store with loading docks along the rear, adjacent to the project site. The primary source of noise associated with the Ralph's loading docks is truck deliveries and loading dock operations (Mestre Greve Associates 2007:7,8). The City has established a delivery curfew for the loading dock; deliveries must occur between 7:00 a.m. and 10:00 p.m. Monday through Friday (Mestre Greve Associates 2007:13). Therefore, deliveries would not occur on the weekends or in the late evening. Noise measurements at the loading docks were conducted during the day in June 2007 at the project site (Mestre Greve Associates 2007:7,8). The noise measurements were taken 35 feet from the property line (Mestre Greve Associates 2007:7,8). The maximum noise level was 74.8 dBA (Mestre Greve Associates 2007:7,8). This maximum noise level does not exceed the daytime noise ordinance levels (shown in Table 3-2). Therefore, the loading dock would not significantly affect the proposed project site. Other potential long-term, onsite noise can be generated by the Southern Pacific Railroad freight train track to the north of the project site, across from Alton Avenue. The noise generated by a train is the result of two components: the engine or locomotive, and the railroad cars. Noise levels generated by the freight trains were modeled using field data. Data was gathered in June 2007 from two local freight trains passing (Mestre Greve Associates 2007: 8,9). The worst-case proposed exterior living area would be approximately 130 feet from the railroad tracks. At this location, if shielding is not present, the worst-case noise level associated with train operations is projected to be 54.0 CNEL (Mestre Greve Associates 2007:9). The noise levels due to trains would be well below the City's 65 CNEL standard; therefore, railroad noise is not a significant long-term onsite impact (Mestre Greve Associates 2007:13). The long-term, onsite significant impact caused by traffic on South Fairview Street and Alton Avenue to the street level and second story of the residential units can be reduced to less than significant for the proposed residential units with the implementation of Mitigation Measures N-11 through N-16. Mitigation Measures N-11. The noise barriers along Alton Avenue and Fairview Avenue must have a surface density of at least 3.5 pounds per square foot and have no openings or gaps. The wall may be constructed of stud and stucco, 3/8-inch plate glass, 5/8-inch plexiglass, any masonry material, or a combination of these materials. N-12. The noise barriers along Alton Avenue will be no less than 5 feet tall. Alton Court August 2007 Initial Study/Mitigated Negative Declaration 3-34 J8S 00635.07 75A-100