alt Hacker NewsBut big tanks do need extra support. This is a relevant thing to post in case someone is thinking about scaling it up.
The Pfizer building in NYC almost collapsed after they tried to build a swimming pool on the roof. This happens semi-regularly when building owners ignore, or don't consult, engineers about rooftop swimming pools. Every owner wants one and doesn't want to be told no.
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Pretty sure the pfizer building was vertical expansion without reinforcement.
I dont think they got to the pools. I worked for a company that did a bid for the electrical work. Edit: there was a pool. Didnt have on plans at time
Second edit: looking at wrong plan. There was a pool but it was basically a blank plan with annunderdesigned roof.
Ok, they also added an entire building on top, not just a pool
"almost collapsed"? Probably an overstatement.
If anyone wants to read more about this: https://en.wikipedia.org/wiki/Pfizer_Building#Structural_det...
Another wild overstatement. Yeah, I'm sure the city approved this office to residential converstion with a rooftop swimming pool that has no engineering analysis. "This happens semi-regularly": Can you provide other examples? I couldn't find any with a cusory Google search.