Removal and demolition of a tandem set of railcar dumpers and replace them with a new set that was assembled outside of the building and lifted into place with a 400-ton crawler crane. Removed and replaced a railcar positioner. Removed and replaced the grizzly system below the tandem dumper set. Removed and replaced the entire drive system. The removal and replacement was completed in a 21-day outage.
During this project, Williams Construction replaced eroded and corroded steel members in an elevated structure during facility operation. All work was performed in an operating facility with no impact to the continuous operation of the plant. Key Stats: 6500 man hours Zero hours of lost time due to safety incidents