Failure Portrait 1

We spend a lot of time with the issue of masonry veneer separation. During investigation, we look for signs that veneer has separated from the back-up masonry. In reports, we warn of the potential for veneer failure. In discussion with clients, we recommend pinning or otherwise stabilizing veneer. Sometimes we actually see the failure that …

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West Park Presbyterian Church

We are proud to be part of the team starting on the long-term restoration of the West Park Presbyterian Church. The link leads to the New York Landmarks Conservancy web page describing their advocacy and role in promoting the restoration of this beautiful building. The fourth picture in the NYLC page slideshow is Don, in …

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New Technology

We’ve recently started using iPads as field tools for data capture. In other words, the field notebooks and clipboards that we’ve always used to record conditions on site are being replaced by the ability to draw electronically and mark up PDFs of drawings on the iPad. For drawing, we’re using Penultimate and Sketchbook. For red-lining PDFs we’re using GoodReader. …

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Historic Structural Detail 2

Even when dealing with large and unsubtle structure, small details often provide important information. The picture below shows the underside of a floor in a loft building constructed in the 1920s. (Some tenant decided that dark gray paint would look nice.) Given that New York is full of concrete-encased steel floor beams, the question comes …

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Historic Structural Detail 1

In the course of building investigation, we see a lot of details that are no longer used. From time to time, we’ll post one here. Cast iron columns were to some extent mass-produced, but the casting process allowed for easy customization. In the picture below, the beam seat that is cast integrally with the square …

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