In many municipalities, there are project coordinators who are responsible for these issues. Call the municipality and ask for a solution to your problem. In the Halifax Regional Municipality, you can call 3-1-1. Ask them to reach out to whoever is doing the construction to find a solution.
When contacting the Municipality, explain the difficulties that you are having in as much detail as possible.
If this does not resolve your concern, review the section of this handbook, titled How can I enforce my rights? for additional options.