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[thefinn]

I've gotten to the point where digging a well it's pretty simple.

However, if you can imagine it, I made an outside set of stairs down into the river section of the well. Then dug a tunnel from there to the river and continued another tunnel straight down so I could deliver water to the reservoir on level 15. I set up the floodgate and a lever next to the well to control it, then dug out the last block to the river... all worked wonderfully.

Then an etting came along, realising it couldn't get into my fortress (draw bridge), it walks down the stairs and tears up the door and floodgate leading to the river.

I now have a room completely 7/7 water down on level 15 where the well room was.

I've tried cutting a 1x1 trench, building a bridge over it and tried to put a slab on there - figured if I could just cut the water source, I might be able to pump it (I've never used pumps but figured this might be a good time to learn). However, I found I can't put a slab on a bridge.

Any suggestions?

[warwizard]

any magma? Magma + water = obsidian instant block of water source. You can use DF hack (DF Fluids?) to spawn 7/7 magma anywhere.

Next is do you have an aquifer to go with that river? You have an infinite source and drain if you want to pump from or to an aquifer tile.

If you have a place to put the water a couple of screw pumps can hold a tile dry enough for a dwarf to build a flood gate (2nd tile to stand on). Cycling a flood fate destroys water once water is no longer 7/7 you will get evaporation. you may need to do this twice, once to cut off the source and a 2nd time to control the water level in your well room. Pro tip: build a flood gate in your well rooms and link to a lever well above any possible water source if you have flooding it will be ease enough to put the lever on P r, line the walls with them if you want :-)
if you ever get an artifact floodgate or some such item they can be used to slow down building destroyers long enough for you to drop a cave-in on them or near them to knock them into traps. Dragon fire can destroy artifacts so try not to have bait near them.

[thefinn]

Haha, i've only ever found magma once in about 15 games I've played..

This is all on the surface btw

[thefinn]

I was wondering if there's a way to drop a slab or something into a hole above the main water intake, so it could cut the water off ?

I'm kind of surprised there's no way to lift and lower slabs into place via a chain hooked up to a corkscrew or something with power ?

[utunnels]

You can use cave in to drop some tiles from above, but it is not worthy.
Maybe you can build a floor over the channel and pump the water in the direction it comes, then build another flood gate or draw bridge.

[Naryar]

Set up a screw pump that takes inside your aqueduct. Then empty your aqueduct with that (preferable to attach it to a power source other than a dwarf)
and build a wall inside the aqueduct.

Problem solved.

[thefinn]

Set up a screw pump that takes inside your aqueduct. Then empty your aqueduct with that (preferable to attach it to a power source other than a dwarf)
and build a wall inside the aqueduct.

Problem solved.

It pumps faster than the river fills it ?

[Sadrice]

Slabs don't do what you think they do.  A slab is just a memorial stone, that can be engraved with someone's name.  It counts as burying them as far as preventing hauntings and negative thoughts in their friends, but you don't need to have access to the actual body.  Slabs will not block water flow.

As far as cutting the aqueduct, screw pumps are probably best.  Yes, they pump very fast, and should be able to beat the river, though you can just build a second one if the first isn't enough.  Having them being dwarf operated is easiest, and works alright, but the pump operator will probably wander off to get a drink when your dwarves are repairing the plumbing, drowning them all.  Putting a water wheel or two in the river and hooking it to the pump with axles and gears would be much more reliable, but is more of a pain.  Using caveins to drop a plug would work, but is a pain.  Pouring magma on it to seal it with obsidian would also work, but is even more of a pain.

For future reference, make your aqueduct go through a diagonal opening at the same level as the top of the cistern.  This eliminates pressure, so your cistern will keep itself full, and can't possibly overflow.  Also, use raising drawbridges instead of floodgates to block the aqueduct.  Yeah, floodgates sound like the obvious choice, but raising drawbridges aren't destroyable when raised, and so are much more secure.  Running the aqueduct through a fortification also is a good idea, but submerged fortifications are sometimes passable (I think only when there is active water flow.  Creatures can be washed through by the flow).  I got a herd of Elk Birds in my well room the other day from that issue.

[Loci]

Running the aqueduct through a fortification also is a good idea, but submerged fortifications are sometimes passable (I think only when there is active water flow.  Creatures can be washed through by the flow).

Submerged fortifications (7/7 water) are completely passable. If you want a building-destroyer-proof filter, run the water upwards through a floor grate (either using pressure or a screw pump).

[Sadrice]

Ah, I could have sworn that worked in the past.  Time to install U bends and grates in all my plumbing!

[Naryar]

Set up a screw pump that takes inside your aqueduct. Then empty your aqueduct with that (preferable to attach it to a power source other than a dwarf)
and build a wall inside the aqueduct.

Problem solved.

It pumps faster than the river fills it ?

Yes, unless you have some pressure on it or you have an overly wide aqueduct.

Be sure to set up walls or channels so the water doesn't immediately go back into the river or into the aqueduct.

[Thisfox]

I was wondering if there's a way to drop a slab or something into a hole above the main water intake, so it could cut the water off ?

Slabs don't do what you think they do.  A slab is just a memorial stone, that can be engraved with someone's name.  It counts as burying them as far as preventing hauntings and negative thoughts in their friends, but you don't need to have access to the actual body.  Slabs will not block water flow.

Weirdly, slabs won't even stop dwarf flow. I pave floors with them, in some forts, if there's a space issue. The denizens of my fort walk straight over the memorial slabs, as if they weren't there, and the loitering around slabs of loved ones messes up the traffic far more than the slab itself ever does.

[Bumber]

That thread title.

Time to pour the brain bleach.

[Naryar]

That thread title.

Time to pour the brain bleach.

Yes, I figured if OP used "screwed UP" it wouldn't be as ambiguous.


This thread is now about ettin porn.

[Insert_Gnome_Here]

Hmmm....
twice as many heads?