 Alliance Acoustical Consultants, Inc. |
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INDUSTRIAL NOISE continued - Permitting Support
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Mission and El Cajon Peaking Plants Client: San Diego Gas & Electric (SDG&E) Location: San Diego and El Cajon, California, USA Scope: Noise Control Engineering: Owner’s engineer for proposed peaking plant sub-leases on SDG&E property. Regulatory Involvement and Environmental Documentation: Reviewed sub-lessor noise studies which were intended to go to local regulatory agencies. Project Description: CalPeak, a peaking-plant power developer, sought to sub-lease space inside two existing SDG&E distribution facilities to place 50-megawatt peaking plants near existing transmission facilities. The peaker plants would be remotely controlled and would use quick-start, simple-cycle turbine generators to quickly respond to peaking demand from the Southern California power grid system. Noise Control Services: AAC served as the Owner’s Engineer (for SDG&E) to provide review services on the noise control aspects of the proposed CalPeak peaker plants. Although below the 50 MW CEC threshold for a formal AFC permit application and under the state-mandated emergency order for increased generation capacity, local regulations prompted an environmental review. The initial noise analyses by the developer’s consultants were reviewed for completeness regarding the local regulations and for consistency with the required leasing terms and conditions. As a result of the reviews, additional noise level measurements, noise prediction evaluations, and refinements of proposed mitigation measures (including acoustical enclosures) were conducted by both AAC and the developer’s consultants to ensure proper noise environments, both on-site and off-site, at the two locations. |
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