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OSU Tunnel Project Nears Completion of Main Piping Systems

Bruner’s work as on the Ohio State University Medical Center Tunnel project began mid-2010. As we near the end of 2011, Bruner’s team is working hard to meet deadlines, complete tasks, and prepare for next year’s challenges.

At its inception, the project involved a utility tunnel relocation providing high pressure steam and chilled water to OSU Medical Center’s new Cancer Critical Tower, along with distribution to other main hospitals on the Medical Center campus. Feature of the project include:

  • Chilled Water Piping
    • 1,600 lineal feet of 36” extra heavy carbon steel piping
    • 900 lineal feet of 42” extra heavy carbon steel piping
    • 500 lineal feet of 24” preinsulated underground piping
  • High Pressure Steam and Condensate Piping
    • 1,000 lineal feet of 12” seamless carbon steel piping
    • 1,500 lineal feet of 8” and 6” stainless steel piping

The goal of the mechanical upgrade was to result in greater efficiencies and savings in operational costs and energy in adjacent Medical Center buildings.

As we sit here today, the main piping systems for chilled water (CHW), high pressure steam (HPS), and pumped condensate return (PCR) for all remaining sequences in the Tunnel project are nearing completion. The Bruner team is also preparing for hydrotesting of the CHW piping, which will begin in mid-to-late January 2012. In the following four weeks, crews will focus on small bore piping and specialties as they prepare for the steam blow operation to begin in May 2012.

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