Navajo Generating Station, Unit 1
During this eight-week outage, Irwin crews replaced the main steam line from above the pant leg to the turbine stop valves, then from the stop valves to the turbine connections.
- 20 inch diameter piping with 3 1/2 inch wall thickness
- Post weld heat treating and 100% RT
- Required intricate rigging on loads exceeding 15,000 pounds.
- 3rd consecutive project with similar scope at this station
- 100% weld acceptance rate