Courtesy FCC Total diameter of the excavated tunnels was nearly 10 meters. Related Links: Panama Canal Owner and Contractors Agree to Final Cost, Schedule Terms Excavation Under Way on Panama City Metro A design-build team led by Brazilian engineering and construction conglomerate Norberto Odebrecht and the Spanish company Fomento de Construcciones y Contratas (FCC) last month completed the 14-kilometer, $1.8-billion Panama Metro light-rail line. The work featured two earth-pressure-balanced tunnel-boring machines, each 9.77 meters in diameter, dubbed "Marta” and "Carolina." The Panama Metro route includes seven kilometers of tunnels and more than five kilometers of elevated guideway. The metro will
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.