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City Place Focused Environmental Impact Report Findings and Facts in Support of Findings N-5 Noise insulation would be installed to ensure that California's title 24 interior noise standard of 45 dBA CNEL is achieved for those residences abutting Main Street, Memory Lane and Lawson Way. This noise insulation would include sound rated doorways, windows, baffling and other measures to ensure compliance of the interior noise standard, An acoustic engineer shall be retained during the design and installation of the noise insulation to ensure the required level of noise attenuation meets interior noise standards, An acoustical report shall be prepared and approved that identifies the building materials needed to meet the Title 24 Interior Noise Standard. Level of Significance of Impacts Related to Operational Interior Noise Impacts The adverse impacts of the City Place project related to operational interior noise will be mitigated to below a level of significance based on the implementation of mitigation measure N- 5, 4.2.5 Impacts Related to Traffic Findings Related to Impacts at Intersection of Main Street and La Veta Avenue Changes, or alterations have been required in, or incorporated into, the project which avoid or substantially lessen the significant environmental effect as identified in the EIR. Facts in Support of the Finding Related to Impacts At the Intersection of Main Street and La V eta Avenue As discussed in Section 4,9 of the EIR, for the 2006 traffic conditions, the intersection of Main Street and La Veta Avenue will operate at unacceptable LOS E both with and without the project during the PM peak. The implementation of mitigation measure T-I and T-2 below will improve the level of service to acceptable LOS D in the PM peak for both opening year (2006) and 2025. T -I Prior to the issuance of certificate of occupancy permits, and subject to the approval of the City of Orange, the applicant shall restripe the intersection of Main Street and La V eta Avenue to provide an additional northbound through lane and convert the existing westbound right-turn lane to an optional thru-right turn lane. T-2 Prior to the issuance of building permits the applicant shall pay Transportation System Impact Area fees to be deposited with the joint powers authority, Level of Significance of Impacts Related to Impacts at the Intersection of Main Street and La Veta A venue The adverse impacts of the City Place project related to impacts at the intersection of Main Street and La Veta Avenue will be mitigated to below a level of significance based on implementation of measures T-I and T-2. U: \DBottlwp5 J I City Place findings. doc September 29, 2004 Page J 5 75A-137