CLIENT

TransCanada Energy Ltd.

SCOPE OF WORK

Design, supply, and erection of acoustic building complete with cranes, fans, silencers, explosion relief panels, acoustically treated personnel doors and equipment doors.

ACOUSTICAL REQUIREMENTS

  • 55 dBA at 1 m from building
  • 45 dBA at 100 m from building
  • 20 dB min reduction in each octave band

NOISE SOURCES

EGT turbocompressor package based on GE LM1600 gas turbine

Source noise levels expected: 105 dBA

RESULTS

Building designed to achieve:

  • STC 47
  • NRC 1

Actual performance results:

  • 51 dBA at 1 m from building
  • 42 dBA at 50 m from building
  • ambient noise at 100 m from the building