I've been working on a two-layer aquifer for a while, but haven't finished it due to problems in the (greatly expanded) power room. Here's an important tip in that regard: don't mine out the draw channels for the pumps until everything in the power room is built. In larger designs of this sort, the waterwheels have a tendency to start themselves (and thus any screw pumps they're already attached to) making a big bleeding mess as the water immediately starts flooding into build areas at unworkable rates. If you've already dug the channels, flooring them over might work but be sure to dig stairs next to each of the channels before removing them as dwarves like to stand /on/ floors they're removing.
Hey i started a fortress near a human village, with an aquifer 3 levels down. All the rock is under there, and im just about to finish off the wooden walls!
My dwarves can now move from wooden weapons and leather armour to metal hopefully!
It was a 2 layer aquifier i had to deal with also, took a while but i just kept draining from first level, until i had enough space in my first aquifier level to drain the second.
This technique still works with a minor modification. It's true that you can no longer pump an infinite amount of water into a single square, but you can just dig channels around the outside of your pump room and the water will drain back into the aquifer.
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Submitted by: Sappho - 2007-11-20
Brilliant. I'm going to have to try this.
Submitted by: Freddybear - 2007-11-22
Any thoughts on how to extend downward when the aquifer is two layers?
Submitted by: ReignonYourParade - 2007-11-25
I suppose you could just make a REALLY big first layer...
Submitted by: phill - 2007-12-08
I've been working on a two-layer aquifer for a while, but haven't finished it due to problems in the (greatly expanded) power room. Here's an important tip in that regard: don't mine out the draw channels for the pumps until everything in the power room is built. In larger designs of this sort, the waterwheels have a tendency to start themselves (and thus any screw pumps they're already attached to) making a big bleeding mess as the water immediately starts flooding into build areas at unworkable rates. If you've already dug the channels, flooring them over might work but be sure to dig stairs next to each of the channels before removing them as dwarves like to stand /on/ floors they're removing.
Submitted by: Markavian - 2007-12-08
phill, could you post a map, video or somesuch showing what you described? I'd be interested to see how you've approached it.
Submitted by: phill - 2007-12-09
Finished it last night: http://mkv25.net/dfma/map-1654-successfultwo-layeraquiferpump
I didn't think to leave everything together when I finished it, but it shouldn't be too hard to figure out.
Submitted by: Rob - 2008-01-22
Hey i started a fortress near a human village, with an aquifer 3 levels down. All the rock is under there, and im just about to finish off the wooden walls!
My dwarves can now move from wooden weapons and leather armour to metal hopefully!
Nice work.
Submitted by: Rob - 2008-03-20
It was a 2 layer aquifier i had to deal with also, took a while but i just kept draining from first level, until i had enough space in my first aquifier level to drain the second.
Submitted by: Wyrframe - 2008-05-23
The bug this technique exploits has been fixed in latest versions. Sorry, guys.
Submitted by: Jerkwhistle - 2008-07-21
This technique still works with a minor modification. It's true that you can no longer pump an infinite amount of water into a single square, but you can just dig channels around the outside of your pump room and the water will drain back into the aquifer.