An Extreme Rarity

That picture was taken in a theater attic. The diagonals on the upper right are portions of the timber-framed roof; the wall separates the auditorium area from the lobby. It’s the thing embedded in the wall that is rare and odd. In short, that’s the end of a long-span steel truss (over the auditorium, on …

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A Classic Failure

At the APT conference last week, I was one of the judges in the Student Design-Build Competition run by the Preservation Engineering Technical Committee. The most important thing to say on that topic is that, as in previous years, I was greatly impressed by the effort, thought, and creativity that the students brought to the …

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The FIU Bridge Accident Report

I wrote about the FIU bridge collapse this past summer when the OSHA report came out. The more comprehensive analysis from the National Transportation Safety Board has been released, and it brought up a lot of the same issues for me. In short, regardless of the mistakes that led to the specific accident that occurred, …

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Getting To The Good Part

I write a lot here about investigation but less about our design and construction projects. The picture above is from a recent site visit, showing the early stages of construction work at a former tuberculosis hospital in Queens that Dunn Development is converting to low-cost housing. The serious construction work has been going on for …

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