In recent years urban residential growth has created a serious encroachment problem to all industrial complexes including natural gas compressor stations. Union Gas Ltd. has recently been involved in the design of an acoustically treated compressor station. Noise emanating from a station into the environment outside the property perimeter is caused by mechanical equipment in operation and gas flowing through piping and valves. Noise generated from a turbine station varies in power level and frequency. The noises, varying from the high frequency startling type to the low frequency throbbing type, create a number of problems for surrounding residential homes. This paper describes the Parkway Compressor Station located near Toronto, Ontario, Canada at which various items of mechanical equipment were identified and acoustically treated with satisfactory results.

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