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AUGUSTIN BERNAL MOUNTAIN BIKE TRAIL PROJECT DRAFT INITIAL STUDY Mitigation Measures No mitigation measures are required. 3.13 Noise r ,x A Less Than Significant Potentially Impact With Less Than `.,... Significant Mitigation Significant Impact Incorporated Impact No Impact XIII. NOISE- Would the project result in: a) Generation of a substantial temporary or permanent increase in ambient noise levels in the vicinity of the project in El excess of standards established in the local general plan or noise ordinance,or applicable standards of other agencies? b) Generation of excessive groundborne ❑ ® El vibration or groundborne noise levels? c) For a project located within the vicinity of a private airstrip or an airport land use plan or,where such a plan has not been adopted, within two miles of a ❑ ® ❑ public airport or public use airport, would the project expose people residing or working in the project area to excessive noise levels? Setting The project site is within an existing park next to urbanized areas within the City of Pleasanton. People using the existing trails within the Augustin Bernal Community Park and Pleasanton Ridge Regional Park are considered to be noise-sensitive receptors. Other noise-sensitive receptors near the project site are the single-family residences within the Golder Eagle subdivision and the Castlewood subdivision as well as the Castlewood Country Club golf course.Typical noise sources within the project vicinity include traffic on local roads and noise generated at the Augustin Bernal Community Park staging area and parking lot. Impact Discussion a) Would the project result in generation of a substantial temporary or permanent increase in ambient noise levels in the vicinity of the project in excess of standards established in the local general plan or noise ordinance, or applicable standards of other agencies? 12956 DUDEK 71 April 2022