Cimtas’s scope includes detailing, modeling, supply, fabrication, and erection of 4,450 tons of structural steel (including special steel grades like S235JR, S355J2, and 42CrMo4 ) for the 65m-long, heavy cantilever roof trusses with very complex 3D space-frame geometry. This steel roof structure covers top of the FC Shaktar Donetsk Stadium in Donetsk, Ukraine with a 50,000 seat capacity which will be erected by Cimtas..