Tunnels
 
  Ben C. Gerwick, Inc. extensive experience with the design and construction of large floating concrete structures gives the company an excellent background to develop innovative construction techniques and equipment for the casting, launching and installation of immersed tube tunnel segments. Gerwick’s personnel have played key roles in the design and construction of four major immersed tube tunnels including the Oresund Tunnel connecting Denmark and Sweden and the seismic retrofit of the Posey/Webster Street Tunnels connecting Oakland and Alameda, California   Casting yard for Oresund Immersed Tube Tunnel.
Casting yard for Oresund Immersed Tube Tunnel.
Oresund crossing connection between Denmark and Sweden.
 
Kap Shui Mun Cable-stayed Bridge
Casting forms for the Oresund Tunnel, Denmark.
Casting forms for the Oresund Tunnel, Denmark.
MUNI turnback in San Francisco, California. MUNI turnback in San Francisco, California
Port of Los Angeles new Pier 300 project. Wharf expansion project. Port of Port Arthur, Texas. Posey-Webster street tubes. Oakland, California.
Posey-Webster street tubes. Oakland, California.
Ben C. Gerwick Logo
Bath-Woolwich Bridge
English Channel Tunnel. English Channel Tunnel.
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