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The Eyebrow Arch: Style over Stability?

DonanEngineering Forensic Engineering, Structural Damage & Collapse

In the last couple of decades, architects and builders have started an architectural fad in residential construction: the eyebrow arch.  Such arches are commonly installed in homes with masonry veneers.  Eyebrow arches are graceful, stylish, appealing, and inherently unstable. The aqueducts built by the Romans have classic arches shaped like the top half of a circle.  They can be supported …

Retirement Home

NEW! Tales from the Field, August 2015

This is a monthly segment that appears in Donan’s eNews. This feature will put some fun and entertainment into forensics. We hope you enjoy! If you do not currently receive our monthly eNews, sign up here! When Forensic Engineering meets The Shining By Stanton Smith, P.E. I was called to inspect a commercial building which had been a retirement facility …

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Decking/Sheathing Case Study

DonanEngineering Articles, Commercial & Residential Roofing, Forensic Engineer, Forensic Engineering, Hail and Wind, Structural Damage & Collapse

Code Compliant, Warranty Void In a recent assignment from an insurer, the instructions started with: “[We] have determined the roof is a total loss due to hail damage and we have written an estimate to replace the roof.” However, the contractor countered, as described here by the insurance company: The roof decking is 1″ x 8″ (1×8) planks. The insured’s …