MTA Tests Hurricane Dams Inside Battery Tunnel

... night to test flooding prevention measures, part of an ongoing hurricane contingency plan after Sandy . NBC 4 New York got an exclusive look as workers tested 85-foot-long inflatable dams at the tunnel. The tubes, which cost $90,000 each, fill with ...

http://www.nbcnewyork.com/news/local/Brooklyn-Battery-Tunnel-Hugh-Carey-Flooding-Test-Inflatable-Dam-Sandy-MTA-220759101.html