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Author Topic: Walling off underground lake edges  (Read 725 times)

VerdantSF

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Walling off underground lake edges
« on: June 29, 2013, 02:57:52 pm »
This is my first attempt at sealing off cavern edges that are submerged by an underground lake.  Searching around, I've read that cave-ins are the way to go, but I was wondering if there are any particular tips I should be aware of before starting. 
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Urist MacNoob

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Re: Walling off underground lake edges
« Reply #1 on: June 29, 2013, 03:54:29 pm »
Be wary of the water. If you don't do the cave-in quite as planned, I'm told it can, er, flood the entire cavern and a few levels of the fort.
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Urist McKoga

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Re: Walling off underground lake edges
« Reply #2 on: June 29, 2013, 05:21:42 pm »
Quote from: Urist MacNoob on June 29, 2013, 03:54:29 pm
Be wary of the water. If you don't do the cave-in quite as planned, I'm told it can, er, flood the entire cavern and a few levels of the fort.
The same mechanics of the magma piston?
Spoiler (click to show/hide)
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Di

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Re: Walling off underground lake edges
« Reply #3 on: June 29, 2013, 05:24:22 pm »
You can't cavein map edge, you need to use either magma or Moses effect.
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Aviator CJ

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Re: Walling off underground lake edges
« Reply #4 on: June 30, 2013, 12:59:00 am »
As Di said, you can't cave-in right on the edge. But what I do is set up a cave-in a few tiles in from the edge. As long as you build your constructed walls to the collapsed rock you'll be fine
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VerdantSF

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Re: Walling off underground lake edges
« Reply #5 on: June 30, 2013, 01:03:53 am »
Thanks for the info all!  I've got a magma pool nearby, so I'll use an obsidian dam to sequester the lake portion closest to the edge, drain, then build the wall.
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