I'm from the Arctic Coast, James Bay, Hudson Bay and Ungava Bay. We probably don't have the same problems as you.
Do you have a lot of port facilities that are equipped with breakwaters? Could breakwaters greatly extend the life of facilities and structures?
In the health field, it has long been said that prevention is less costly than cure. The same is true of coastal, road and other infrastructures. It has to be maintained, just like we maintain our houses. In that sense, I wonder whether breakwaters constitute preventive maintenance.
How much does dredging cost you a year? How many small craft harbours does your authority have?
You mustn't pay a lot of tax, in view of your operating costs. Perhaps you should ensure that you earn enough money to pay tax, at some point.
On that point, I turn the floor over to you.