The concrete floors that gave way on Oct. 12 atop the Hard Rock Hotel as it rose above Canal Street were poured into a different kind and size of metal decking than what the city’s permitting office ...

The concrete floors that gave way on Oct. 12 atop the Hard Rock Hotel as it rose above Canal Street were poured into a different kind and size of metal decking than what the city’s permitting office ...

Warehouses are not high rises, and vertical pumping of concrete rarely is a problem—but they do pose their own challenges. Defined and stringent Ff/Fl numbers and burnish requirements, high daily ...

The most polluting part of a building is hiding underfoot. Floors account for more than 40% of most multi-story buildings’ total mass, and many of the surfaces that hold up office floors and ...

Q: Tim, my builder is telling me to forget about using reinforcing steel or mesh in my concrete driveway and patio. He says he’ll just add an inch of thickness and that’s good enough. What’s your ...