30 Jan 2014
Curved Roof Trusses for Presidio Parkway Doyle Tunnel in San Francisco, CA.
Albina Co., Inc. recently bent 64 lengths x 30 ft of Tube Steel 6” x 4” x .250” wall for some curved roof trusses for the Presidio Parkway Doyle Tunnel in San Francisco. Over 30,000# of material was bent the hard way to a 52 foot radius. The Presidio Tunnel will have the same arched portal design as...