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Installation Pictures of 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. curved roof trusses, bent structural steel