Blogs

If you've ever been near the top of a skyscraper and thought you felt the building move, you probably did. Before you start looking for the stairs, that's usually a good thing. Skyscrapers are designed to move. It sounds completely backward. We spend our careers making structures strong, stable, plumb, and secure. The last thing most people want to hear while standing 70 stories above the ground is, "Don't worry. The building is supposed to be moving." But when you're building hundreds or even t …

Construction is full of things that look wrong until you understand why they're right. A skyscraper moves in the wind. A bridge has gaps in it. Concrete is intentionally cut after it's poured. Old brick walls let moisture move through them. A crane lifts enormous loads while a giant stack of weight hangs off the other end. Roads buckle when it gets hot. And somewhere along the way, somebody decided manholes should be round. Most of us walk past these things every day without giving them much tho …

Scaffolding Sagrada Família Most contractors hope their projects don't run behind schedule. Then there's Sagrada Família. Construction on Barcelona's famous basilica began in 1882. More than 140 years later, workers are still building it. Generations of architects, engineers, stoneworkers, sculptors, craftsmen, and construction crews have worked on the structure. Technology has changed dramatically. Construction methods have changed. Equipment has changed. The building has continue …

Scaffolding Notre-Dame On April 15, 2019, people around the world watched as flames engulfed Notre-Dame Cathedral in Paris. The roof burned. The famous spire collapsed. Centuries-old timber framing was destroyed. Stone vaults were damaged. And firefighters fought desperately to save one of the world's most recognizable historic buildings. But there was another complication already surrounding the cathedral. Scaffolding. Before the fire began, Notre-Dame was already undergoing restoration. Hundre …

Scaffolding Ancient Castles Castles were designed with one very specific goal in mind. Make them difficult to access. Build the walls high. Put them on steep hills. Add towers. Add cliffs. Maybe surround the whole thing with a moat just to make absolutely sure nobody can easily get near it. It was an excellent defensive strategy. Several hundred years later, it's slightly inconvenient for the people trying to scaffold them. Welcome back to Scaffolding Around the World. This time, we're tackling …