On the morning of June 20, 2021, Andrew Hallett faced a career-defining moment. A senior project manager at Pittsfield, Maine-based Cianbro, Hallett helped lead a team that built a 5,338-ton concrete precast structure that would serve as the entrance of a new navigation lock basin at Portsmouth Naval Shipyard.

Pittsfield, Maine-based Cianbro Corp. recently began structural repair and restoration work on the Portsmouth Naval Shipyard.