SPECIAL FEATURES: Two GE PG7241FA combustion turbine generator sets, 311 MW power plant, 28,000 lineal feet of pipe, 600 cubic yards of concrete, and 350 tons of structural steel


Mint Farm Energy Center


JH Kelly was the general contractor for a 311MW natural gas-fired combined cycle power plant in Longview, Washington. New owner, Wayzata Investment Partners, acquired the partially completed facility in a bankruptcy sale. The project was approximately 50% complete when mothballed in 2001. The plant was completed in Fall 2007.

JH Kelly’s work scope included:

  • Developed a complete Material Inventory for materials and equipment procured by prior owner/contractor
  • Completion of civil/structural (Pipe racks, stair towers, Gas Compressor Pad, etc.)
  • Erect Heat Recovery Steam Generator (HRSG)
  • Installed roughly 20,000 LF of large bore pipe
  • Installed roughly 2,000 LF of P91 pipe
  • Installed roughly 6,000 LF of small bore pipe
  • Managed and coordinated multiple subcontractors including plant electrical, switchyard electrical, pipe insulation, painting, post weld heat treatment, relay testing and programming, and boiler chemical treatment
  • Installed steam turbine generator and enclosure
  • Installed 60” cooling water lines
  • Installed and calibrated roughly 500 instruments
  • Installed complete gas compressor station

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821 Third Avenue / PO Box 2038 / Longview, WA 98632T 360.423.5510 / F 360.423.9170 /