The developer of the world's tallest building, which finally opened Jan. 4 in Dubai after more than a year's delay, has announced the height at 828 meters. The announcement ends years of speculation, fueled by developer Emaar Properties. Members of the design and construction team, including architect-engineer Skidmore, Owings & Merrill and lead contractor Samsung Corp., were contractually obligated to keep the height a secret. Emaar Properties Burj Dubai opens under its new name, Burj Khalifa The 828-m height makes the building a whopping 320 m taller than the previous world's tallest building, the 508-m Taipei 101. The difference is
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.