Drones, self-propelled modular transporters and a curtain wall that really does hang off the roof like a curtain are all notable technologies that made installing an 18-million-lb timber roof possible at Portland International Airport.
Four years after the team broke ground on the 12,000-sq-ft Saint Nicholas Greek Orthodox Church and National Shrine in lower Manhattan to replace its beloved predecessor destroyed in the Sept. 11, 2001 terrorist attacks, it was not clear if work would finish.