Normann is designed for extremely challenging conditions. Constructed according to DNVs ice-class Icebreaker Ice-10, with classifications demanding capabilities of breaking up to 1-metre-thick, one-year old ice. There are also specific requirements in terms of hull strength, use of material, rudder and steering systems, propellers and propulsion system.

The ship is constructed with class notation Winterized Cold (-30). As such, this vessel is constructed for work in temperatures as low as minus 30 C degrees without freezing up.