Built to allow internal flexibility and to save costs, the steel portal frames in the Hobsonville schools followed a relatively simple form - but at the same time, the sculptural roof lines required an extremely high level of engineering dexterity.

Built to allow internal flexibility and to save costs, the steel portal frames in the Hobsonville schools followed a relatively simple form - but at the same time, the sculptural roof lines required an extremely high level of engineering dexterity.