It looks like you're looking for specific information about a project related to elevating buildings in a floodplain, but you haven't provided the specific numbers needed to fill in the blanks.
To complete your statement, please provide the following details:
- The time required to move the buildings.
- The initial project cost, in millions, compared to the diversion channel project.
- The annual upkeep cost.
With that information, I can help you construct a complete response.