Pittsburgh’s $528-million North Shore Connector project is now nearing completion on schedule, despite a month-long jam of a tunnel-boring machine in 2008. The Port Authority of Allegheny County says there are no claims or liquidated damages. Photo: Courtesy of Port Authority of Allegheny County New expanded light-rail station features preserved mural. The 1.2-mile extension of the city’s 25-mile light-rail system extends from downtown beneath the Allegheny River to the city’s North Side. The work involved three major components: construction of the twin-bore tunnels, reconfiguration of the existing Gateway Station and a new North Side station. In April 2008, the 500-ton
The market is generally healthy and steadily growing, and margins are up for large specialty contractors. Further, advances in design tools and owner demand for collaboration are giving subcontractors a seat at the table early on in projects.