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DF Gameplay Questions / Re: Building a well below an underground lake: Water Presure
« on: January 27, 2011, 03:43:07 pm »
It's more work, but I've found that it's easiest not to worry about what places have or do not have pressure and to make anti-pressure formations around the well shaft itself.
So, beneath my well, there's a + sign of walls (with the shaft in the center) on any level where water can get into the well shaft from the side. The level with the well doesn't need that.
I say this because I once made a complex setup to feed multiple wells. I tried removing pressure at all the inlet points, missed one, and would've flooded the entire fortress if I had not made an emergency drainage pump ahead of time out of paranoia.
So, beneath my well, there's a + sign of walls (with the shaft in the center) on any level where water can get into the well shaft from the side. The level with the well doesn't need that.
I say this because I once made a complex setup to feed multiple wells. I tried removing pressure at all the inlet points, missed one, and would've flooded the entire fortress if I had not made an emergency drainage pump ahead of time out of paranoia.