Top-down construction—assembling the floor of a building on the ground and lifting it into place—has long presented a possible alternative to the labor-intensive process of building steel frames, floors, walls and all components at height.
A new expo and conference called AEC BuildTech— held in Rosemont, Ill., April 30 to May 2—brought together attendees and suppliers to explore best practices in implementing new technologies in the buildings sector.
