Do they really store drinking water? Are they used to store water for fighting fires? It seems impractical to store basically a drum of water hundreds of feet in the air.
In: Engineering
yes, drinking water, the municipal water that everyone uses. Not sure if that includes the firefighting lines, though I suspect it does. The height is necessary to keep pressure. The height and the huge size make it work perfectly and completely passively – it maintains pressure even as it’s drained (height), and the shear size means it levels out the load on the water system.
They’re fine for small towns/areas. There aren’t a lot of fires there anyway, and firefighters in those areas are volunteers and barely even do anything to put the fire out, so I don’t think running out from trying to stop a fire is an issue. Though if it does run out, so what? It’s just a small town, and the water will be refilled by the next day
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