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<br />6.2A <br />Page 49 <br /> <br />The proposed Project's noise impacts would be significant and unavoidable at some locations <br />where night or weekend construction is required due to Project constraints, such as required <br />construction methods for tunneling (at Newark and Ravenswood Valve Lots) and the conditions <br />of local encroachment permits for road crossings , as well as due to noise from construction- <br />related truck trips and helicopter operations along the PG&E utility RIGHT OF WAY between <br />its Ames Substation in Mountain View, and its Ravenswood Substation in Menlo Park. <br />Therefore, at certain locations, the Project's contribution to significant cumulative noise impacts <br />would be cumulatively considerable (significant). BDPL No.5 would be constructed relatively <br />close to six cumulative projects (the New Irvington Tunnel Project; the Dumbarton Rail <br />Corridor; BART Warm Springs Extension;, Paseo Padre Parkway Grade Separation Project; <br />Dumbarton Rail Station Area Redevelopment; and the ACWD New Supply Water and <br />Desalination Facility) and because some portions of the proposed Project could be constructed <br />simultaneously with some of the identified cumulative projects, construction of BDPL No. 5 <br />could result in a significant cumulative noise and vibration impacts. <br /> <br />· Mitigation Measures NOI-la through NOI-4. <br /> <br />Even with feasible mitigation that would be implemented, these noise impacts would be <br />significant and unavoidable, resulting in a significant cumulative noise impact during <br />construction (significant and unavoidable). <br /> <br />2. Water System Improvement Program Impacts <br /> <br />Because the Project is a component of the WSIP, it will contribute to the significant and <br />unavoidable impacts caused by the WSIP water supply decision. These impacts were discussed <br />in this Commission's Resolution No. 08-0200, and mitigation measures that were proposed in <br />the Program EIR were adopted by this Commission for these impacts; however, the mitigation <br />measures could not reduce the inlpacts to a less than significant level, and the impacts were <br />determined to be significant and unavoidable. This Commission has already adopted the <br />mitigation measures proposed in the Program EIR to reduce these impacts when it approved the <br />WSIP in its Resolution No. 08-0200. This Commission also adopted a Mitigation Monitoring <br />and Repo11ing Program as part of that approval. The findings regarding the following impacts <br />and mitigation measures set forth in Resolution No. 08-0200 are incorporated into these findings <br />by this reference, as though fully set forth herein. The significant and unavoidable impacts were <br />listed in Resolution No. 08-0200 as follows: <br /> <br />Potentially Significant and Unavoidable WSIP Water Supply Impacts <br /> <br />· Fisheries (Upper and Lower Crystal Springs Reservoir): Effects in the Peninsula <br />watershed on fishery resources in Crystal Springs Reservoir in San Mateo County; and <br />· Growth: Indirect growth-inducement impacts in the SFPUC service area. <br /> <br />Significant and Unavoidable WSIP Water Supply Impacts <br />· ..Streandlow' (Ala'med~fCreekbelow 'Alamed~iCr'eek'Diversiori 'Dam): 'Effects"on:'" ' <br />stream flow in Alameda Creek between the diversion dam and the confluence with <br />Calaveras Creek. <br /> <br />V. EVALUATION OF PROJECT ALTERNATIVES <br /> <br />This Section describes the Project as well as alternatives and the reasons for approving the <br />Project and for rejecting the alternatives. CEQA mandates that an EIR evaluate a reasonable <br />range of alternatives to the Project or the Project location that generally reduce or avoid <br />potentially significant impacts of the Project. CEQA requires that every EIR also evaluate a "No <br />Project" alternative. Alternatives provide a basis of comparison to the Project in terms of their <br /> <br />39 <br />