August 2011

Lucky, Twice

by Don Friedman on August 29, 2011

In the past seven days, we had an earthquake that turned out to be very minor and a hurricane that was not minor but whose effects largely by-passed the city. While OSE would benefit financially from either event being worse than it was, I feel that NYC was lucky twice and we should all be happy about that.

Historic Structural Detail 3, Sort Of

August 22, 2011

Construction projects are full of changes and this was just as true in the past as it is now. In particular, where different trades’ and/or different designers’ work meets, there is a good chance that the as-built condition to not look like the drawings. Recently we’ve been looking at cornice supports at the building where […]

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Scale

August 18, 2011

The world is not the same when examined at different sizes, a fact that has long been known. In order to see the asymmetrical nature of size, all one has to do is picture an elephant or an ant at the size of a dog and the adaptations to the true sizes of the creatures […]

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We’re Hiring

August 15, 2011

Business has been good for the last year and we’re looking to expand. If you are (or know) a structural engineer with 3 to 5 years experience, send us your resume. The title is “design engineer”, but given the size of our firm and the collaborative way we work, we all do a little of […]

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A Site Visit

August 8, 2011

We’ve just begun investigation work on Bow Bridge in Central Park. Shaquana Lovell was fortunate to have a nice day to pull the floating platform into position to see the bridge underside. Click on the pictures to enlarge.

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Our New Website

August 4, 2011

The recent switch to a new website was based on technical issues. While the software we were using previously had a blog-style layout that we used for our news and projects pages, modifying it meant reopening the entire site in the software, editing, and then FTPing the whole thing back to our web host. The […]

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Floor Vibrations

August 2, 2011

Engineering can sometimes be surprisingly precise. For example, if we know the size of a steel beam and the actual load that will be to be applied to that beam during an in situ load test, we can predict the amount of deflection under load to a few hundredths of an inch. In a case like this, […]

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