Don Friedman

Old Structures is now a Certified B Corporation

Old Structures Engineering became a Certified B Corporation this year. We were certified by the non­profit B Lab to meet rigorous standards of social and environmental performance, accountability, and transparency.​We’ve evaluated how our practices impact our employees, our community, the environment, and our customers. Today, there are over 1,200 Certified B Corps in 38 countries. …

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Ransome Bar

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 …

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Bad Art

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 …

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