Sometimes it’s easy to see what the problem is. This is the bottom of a reinforced concrete beam. All of the bottom cover has spalled off and exposed the fact that all of the bottom rebar is rusted. (The black streaks are the rusted bars – main reinforcing running up and down and ties running …
We ask for probes on a regular basis, usually to find out what something useful about unknown hidden structure. On a recent project we asked for probes through a cellar slab. Our instructions were to remove the concrete while leaving the rebar in place, so the final probes looked like this: The rebar that was …
Another thirty-cent postcard find: the worst illustration of the Woolworth Building I’ve ever seen. Here’s the postcard version: And here’s reality in the same era: Given that the postcard was published by the Success Postal Card Company, which was located in New York, there’s really no excuse for this. It’s a terrible representation. The only …
You can find great stuff for thirty cents at used-book stores. Here’s a postcard of our home, with a picture taken in the brief window of time between the completion of the Trinity Building (111 Broadway) and the construction of its fraternal twin the U.S. Reality Building (115 Broadway). In other words, this view only …
Marie and I are proud to welcome Michael as a partner at Old Structures.
