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2.0 ENVIRONMENTAL CHECKLIST Less Than Significant Potentially With Less Than Significant Mitigation Significant No Issues (and Supporting Information Sources): Fact Incorporation Iriwact In act XI. NOISE -- Would the project result in: a) Exposure of persons to or generation of noise levels in excess of standards established in the local general plan or noise ordinance, or applicable standards of other agencies? ^ ® ^ ^ b) Exposure of persons to or generation of excessive groundborne vibration or groundborne noise levels? [] ® ^ ^ c) A substantial permanent increase in ambient noise levels in the project vicinity above levels existing without the project? ^ ^ ^ d) A substantial temporary or periodic increase in ambient noise levels in the project vicinity above levels existing without the project? ^ ® ^ ^ e) For a project located within 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? ^ ® ^ [] f) For a project within the vicinity of a private airstrip, would the project expose people residing or working in the project area to excessive noise levels? ^ ® ^ ^ DISCUSSION a,b,c,d) Construction of the pipelines would result in intermittent, elevated noise levels within the nearby industrial and residential areas. Pending funding availability, construction of the fast phase of the Project is anticipated to commence in 2006, with construction occurring over four to six months. Construction of the remaining phases would occur after completion of the fast phase (pending funding availability), with construction occurring between six months and one year for each phase. Construction activities would involve excavation, grading, earth movement, and vehicle travel to and from the Project site. Construction-related material haul trips would raise ambient noise levels along haul routes, depending on the number of haul trips made and types of vehicles used. Construction of the water recycling plant at the WPCP and Monarch Bay Golf Complex would each occur over a period of approximately six to eight months. The facilities would be constructed by conventional methods. During construction, concrete for the foundation slab would be delivered to the site by ready-mix trucks. A backhoe would be onsite for earthmoving. Supply trucks would deliver materials and equipment used in the construction process. San Leandro Recycled W ater Project 2-37 ESA /203193 Draft IS/MND