CLIENT

Burns & McDonnell Canada Ltd.

PROJECT DESCRIPTION

In 2001, INNOVA provided acoustic gas turbine (GT) enclosures, support structural steel, fire suppression systems, enclosure lighting, acoustic ventilation intake and exhaust systems, and acoustic GT combustion intake system which included the air intake filter house, intake silencer, elbows and ducting for 6 x Hitachi H-25 GT's.

In 2009, INNOVA provided exhaust silencing systems complete with expansion joints, horizontal and vertical transitions, elbows, ducting, ladders, platforms, personnel protection screens and stacks for 3 x Hitachi H-25 GT's.

In 2013, the Queen Elizabeth Power Station Repowering consisted of converting three of the existing Hitachi H-25 GT’s and generators into combined cycle operation and adding three additional Hitachi H-25 GT’s for combined cycle operation, one steam turbine and six once-through steam generators providing an additional 205 MW.

SCOPE OF WORK FOR 2013 REPOWERING

Design and supply three intake systems complete with pulse clean filter house, support steel, ladders and platforms, 90º elbow, flexible joints, horizontal ducting, silencer baffles, elbow and vertical duct and transition duct. 

ACOUSTICAL REQUIREMENTS

85 dBA maximum at 3 feet in a horizontal plane, 5 feet from ground or personnel platform from any major surface of equipment.

SITE CONDITIONS

  • Outdoor temperature range: -40ºF to +104ºF
  • Indoor temperature range: +50ºF to +104ºF
  • Average site elevation: 1575ft above sea level
  • Environmental considerations: Wind, snow, rain, seismic