CLIENT

Hawaiian Electrical Company Inc.

 

 

 

 

 

 

SCOPE OF WORK

Design, supply and install of:

  • CT acoustical enclosure
  • Water injection skid enclosure
  • Fuel transfer skid enclosure c/w crane
  • Transformer absorptive barriers
  • Exhaust system acoustical barrier
  • Lighting, controls and electrical
  • Foundations for all four enclosures
  • Ventilation for all four enclosures
  • Exhaust stack foundation 

ACOUSTICAL REQUIREMENTS

  • 40 dB(A) at the South property line located 300 ft. away.
  • 36 dB(A) at the North property line located 500 ft. away.
  • 40 dB(A) at the East property line located 350 ft. away.
  • 34 dB(A) at the West property line located 450 ft. away.

NOISE SOURCES

Jupiter gas turbine, fuel pump, transformer, blower, water injection system and lube oil cooler.

SILENCING SOLUTIONS

  • Customized acoustic enclosure comprised of INNOVA proprietary wall and roof systems,
  • The customized acoustic mechanical system was designed to provide make-up air for the existing turbine/generator compartment.
  • Customized acoustic enclosures for the lube oil cooler, fuel gas transfer skid, and water injection skid.
  • Sound attenuated walls around the transformer, and
  • The acoustical shroud around the combustion exhaust system.

UNIQUE PROJECT HURDLES

This was a fast track retrofit project. All design, supply, and installation had to be completed within 6 months. Additional challenges involved importation and transportation.