In a truss-bird’s eye view, you can see here a portion of the template on the floor where each truss was assembled. (Left to right: Julian, Tom, David, Alex, Francisco.) Ralphs’ steel designs also include assembly flexibility, that separate many complex alignment tasks, so that...
Erecting the roof
posted by Helmut Forren
The trusses didn’t lift themselves, of course. Here you see the full crew (at the time) lifting a truss using a scaffold and hoist. “Monkey sticks” are used to stabilize the floppy truss, while the hoist holds the weight and manpower positions the ends for attachment. ...
