ݮƵAPP

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Location:
North Carolina
Completed:
2020

Belews Creek 50 Percent Coal to Gas Conversion

Scope of Work

This project was part of the eighty-three million ($83,000,000) retrofit of Duke's two thousand two hundred and forty (2,240) megawatt Belews Creek coal plant. ݮƵAPP's project enables each unit to operate on up to fifty percent (50%) natural gas. This project included the natural gas supply, venting, and installation of natural gas from a custody point to a predetermined point within the boiler building.

Project Details
  • Fifty-six (56) cubic yards of concrete (not including precast).
  • Fifty-three thousand one hundred and twenty-one (53,121) tons of structural steel installed.
  • Two thousand five hundred and thirty-seven (2,537) linear feet of large-bore piping (>12-inch).
  • Seventeen thousand five hundred and thirty-one (17,531) linear feet of small-bore piping (<12-inch).
  • Ninety nine percent (99%) phased array pass rate on one hundred and forty-three welds.
  • One thousand five hundred and twenty-seven (1,527) total pipe field welds.
  • One thousand three hundred and sixty-one (1,361) behavioral-based safety observations.
  • Two (2) critical lifts.
Lean, Innovative and Unique Project Solutions
The project involved continuous improvement between U2 and U1 and implemented a roller system to weld piping spools outside and pull them into the building. Additionally, the project team preassembled structural steel and piping running outside the building, which lead to a safer work site and accelerated schedule.
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