Irwin Power Services, a Division of Irwin Industries, Inc.

Recent Projects

Four Corners, Unit 4

During the overhaul of this 750MW coal-fired C-E boiler, Irwin replaced reheat and superheater pendants, including both reheat outlet headers. Additionally, all four walls of the furnace were replaced, from the bottom (including the coutant slope) up to an elevation of 100 feet.


  • Rebuild lower boiler waterwalls
  • Replace reheater and superheater pendant assembly
  • Replace outlet headers
  • Replace coal piping
  • Replace second stage high temperature superheater pendants
  • Approximately 8,000 tube welds
  • Greater than 97% weld acceptance rate

Recent Projects
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