Author Don Friedman Published on: February 9, 2016 Tags Blog Failure Portrait: Semi-Failure I already used the title “Sometimes It’s Subtle” but that’s appropriate here. A problem can be old, and built into
Author Don Friedman Published on: February 8, 2016 Tags Blog Historic Structural Detail: Vaulting Upwards I’ve mentioned the circa-1900 use of Guastavino vaulting to provide steel-free solutions to common structural problems. To repeat my early
Author Don Friedman Published on: February 5, 2016 Tags Blog The Meaning Is Clear For Friday, something slightly silly that I noticed last week. The front of a door: And the back: The yellow
Author Don Friedman Published on: February 4, 2016 Tags Blog Historic Structural Detail: Load Sharing Good design ideas can show up anywhere, even on a fire-escape stair: What’s the purpose of those little straps at
Author Don Friedman Published on: February 3, 2016 Tags Blog Failure Portrait: Help Me, I’m Melting At first glance, this looks like some cool abstract sculpture: It’s not. It’s 120-year-old brownstone, originally carved with sharp edges
Author Don Friedman Published on: February 2, 2016 Tags Blog Best for NYC: Best Practices When I was working on the B Impact Assessment to get Old Structures certified as a B Corp. I was interested to
Author Don Friedman Published on: February 2, 2016 Tags Blog Historic Structural Detail: A Clever Composite We live in an age with two overwhelmingly dominant fire-rated floor systems: concrete in metal deck in steel-frame buildings, and
Author Don Friedman Published on: February 1, 2016 Tags Blog Not What It Looks Like This is not a seismic separation: That’s 20 West Street (AKA the Downtown Athletic Club) on the right, 21 West
Author Don Friedman Published on: January 29, 2016 Tags Blog Timing Is Everything Marieta pointed out yesterday that as long as I’m talking about crack monitors, I need to discuss their biggest failing:
Author Don Friedman Published on: January 28, 2016 Tags Blog Failure Portrait: Bad Neighbors, Broken Mortar Paint does almost as good a job showing movement as does plaster. Since the top of the building isn’t moving
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