In mid-November 1887, what sort of new locks does Ferdinand de Lesseps state Alexandre Gustava Eiffel will be designing and building?

On November 15, 1887, Ferdinand de Lesseps announces Alexandre Gustava Eiffel will design and construct new locks. These will consist of two immense flights of locks capable of lifting ships over the level of the Chagres River at flood stage. It will lessen the amount of necessary excavation required. The cost is now $331.2 million.