This New Lock at the Soo Conceptual Construction Sequence Video shows the steps needed to complete the New Lock. Actual sequence of construction may vary.
Since they seem disinclined to answer, the new lock is apparently identical to the largest of the old locks (the one that doesn't get touched in this video). The two locks being replaced weren't used much because they were too small for newer lakers. While this is upping capacity, I agree with you: they should have gone bigger. My guess is that they figure that infrastructure limitations on the rest of the Great Lakes will prevent the ships themselves from ever getting much larger, so there's no need to future-proof.
@@princessofthecape2078 check your attitude at the door princess. There is no reason to build bigger than the Poe. No ships will ever be built larger for the shallow harbors on the lakes.
