Corval performed various capital projects at the Dakota Gasification Company Synfuels Plant facility in Beulah, ND. The disciplines of these projects included civil engineering, mechanical engineering, and HVAC construction.
Support Structure: Corval was the general contractor for this Support Structure project. The scope of work included removal of the existing carbon steel beams and replacing them with approximately 50,000 lbs of structural stainless steel beams. This work took place while the plant was still running and
fully operational.
Ash Dewatering Bins: As the general contractor for this project, Corval removed and replaced the existing roof on two 500,000 gallon ash dewatering bins. The scope of work included temporarily removing the existing structure above the bins and reinstalling it after the bin repair was completed.
Flare Knockout Vessel: Corval served as the prime contractor for the installation of a NH3 flare knockout vessel. This was performed during a plant shutdown. The scope of this project included installation of helical piers, concrete supports, a 32,000 lb vessel, 30° flare piping, nitrogen piping, steam line piping, steam tracing, insulation, and painting.
