Client: Sivas Iron Steel Factories Contractor: NUROL İnş. ve Tic. A.Ş. & Air Liquide Consortium Sub Contractor: SETA INSAAT Scope: Turnkey project. Air Purification Unit civil works, approximately 1000 tons steel construction manufacturing and erection, cold box erection, machinery and equipment erection, pipe racks and pipe erection, electrical and instrument installation.