Two concrete pontoons were designed and constructed to serve as the new berths at the Port of Juneau Cruise Ship Terminal in Alaska. The addition of the concrete pontoons will enable simultaneous berthing of one Panamax-size cruise ship up to 1,000 feet (305 meters) in length and one post-Panamax-size cruise ship up to 1,100 feet (335 meters).The south berth concrete pontoon is 300 feet (91 met…