Project:
Noise survey for a gas compressor station in Colorado receiving complaints from neighboring residents. |
Scope of Work:
The Client contacted ATCO to conduct a noise level audit at the station, and to make recommendations for mitigation of the noise that had been an on-going source of annoyance to nearby residents. While the compressor station complied with the Federal Energy Regulatory Commission's (FERC's) guidelines, the Client was committed to identifying and solving the noise problem.
Technical Information:
In consultation with the Client, noise limits for the station were established at 65 dBA.
Based on meteorological data and the acoustic survey findings, ATCO identified five areas for noise abatement:
- Gas turbine stack
- Exhausts for two gensets
- Genset radiator coolers
- As optional components, the building itself and gas piping
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ATCO established a correlation between temperature, residents' noise perception and measured noise levels. ATCO concluded that due to atmospheric changes, noise levels - chiefly from the turbine exhaust stack - were noticeable at the residences at various times.
Effective planning and coordination reduced a planned station shutdown from seven (7) days down to five (5) days.
ATCO completed the project 3 weeks before the regulatory deadline. In a follow-up meeting, residents reported no issues with noise from the compressor station. |
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