https://www.youtube.com/watch?v=Q56PMJbCFXQ

I have never understood why architects and engineers sometimes go out of their way to make a problem harder. I do not like the idea of a movable piece of junk that keeps a building from falling over. I keep wondering if the maintenance guys will screw it up somehow. Where I worked the maintenance guys would set variable speed drives to run wide-open and lock variable fresh air intakes to make the building easier to maintain. On one building they shut down the hot water solar panels because the system kept breaking. They did that on their own and did not tell management. (I thought shutting that system down was a smart move. It was poorly thought out and should not have been installed.) Designers should keep maintenance in mind when they create a complex system only understood by people who disappear once the building is completed. Especially a system that could cause a collapse if it fails.

JSK, Architect Emeritus