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(9) Mater Dei High School Parldng Structure and School Expansion Project <br />Environmental Impact Report <br />is received, the Noise Disturbance Coordinator shall notify the City within 24- <br />hours of the complaint and determine the cause of the noise complaint (e.g., <br />starting too early, bad muffler, etc) and shall implement reasonable measures to <br />resolve the complaint, as deemed acceptable by the Public Works Executive <br />Director. All notices that are sent to residential units immediately surrounding <br />the construction site and all signs posted at the construction site shall include the <br />contact name and the telephone number for the Noise Disturbance Coordinator. <br />Prior to issuance of any Grading or Building Permit, the Project Applicant shall <br />demonstrate to the satisfaction of the City's Building Safety Manager that <br />construction noise reduction methods shall be used where feasible. These <br />reduction methods include shutting off idling equipment, installing temporary <br />acoustic barriers around stationary construction noise sources, maximizing the <br />distance between construction equipment staging areas and occupied residential <br />areas, and electric air compressors and similar power tools. <br />Construction haul routes shall be designed to avoid noise sensitive uses (e.g., <br />residences, convalescent homes, etc.), to the extent feasible. <br />Noise attenuation barriers (temporary barriers or noise curtains) with a sound <br />transmission coefficient (STC) of at least 20 shall be used along the northern, <br />eastern, and western boundaries of the parking structure site adjacent to nearby <br />residential uses during construction activities associated with the parking <br />structure (all phases except for architectural coating), as well as surrounding the <br />proposed classroom building site during construction activities associated with <br />the proposed classroom building (all phases except for architectural coating). <br />Noise attenuation barriers constructed at the property lines to a height of 10 feet <br />with an STC rating of at least 20 are capable of reducing noise levels by 7.7 dBA. <br />During construction, stationary construction equipment shall be placed such that <br />emitted noise is directed away from sensitive noise receivers. <br />Construction activities shall not take place outside of the allowable hours <br />specified by the City's Municipal Code Section 18 -314, Special Provisions (7:00 <br />a.m, and 8:00 p.m, on weekdays and Saturdays; construction activities are not <br />permitted on Sundays or legal holidays). <br />Cumulative Short -Term Construction Noise Impacts. Development associated with the <br />proposed project and other related cumulative projects would not result in cumulatively considerable <br />short -term construction noise impacts. <br />.Findings <br />Changes or altenitions bane been required in, or ins'otporeaed into, the pr fact which avoid or substantially <br />lessen the sign fcant ennironmerrtal affect as identified in the Draft EIR. <br />Statement of Pacts and Findings 25 June 2015 <br />