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[Dracko81]

Logs work fine.

However blocks build walls faster.  If you were dealing with a heavy aquifer and trying to use logs you'll have a really bad time.  Using Blocks is much faster and more efficient.

If you are not hitting stone, you should dig deeper.

The only question I can think to ask you is how big is your staircase?  Most people I've seen use 3x3 and I will too once I get to where the underground fort will be with ramps.  But that is because all my hallways are 3 wide.  If you are using a 1x1 or 2x2 staircase you might have to fiddle more with the water issue.  1x1 has 4 tiles into 1 of water, 2x2 has 8 tiles into 4 of water, 3x3 has 12 tiles into 9 of water.  Which works out at 4:1, 2:1 and 4:3 respectively.  Which means you have more opportunity for the water to evaporate and spread out with larger staircases.

[janamdo]

  1x1 has 4 tiles into 1 of water, 2x2 has 8 tiles into 4 of water, 3x3 has 12 tiles into 9 of water.  Which works out at 4:1, 2:1 and 4:3 respectively.  Which means you have more opportunity for the water to evaporate and spread out with larger staircases.

I am using a 3x3 staircases, but this staircase has the fastest evaporation ?
How does your calculation works ? : your example .. 1x1 has 4 tiles into 1 of water
Can't follow it.

[delphonso]

The edges produce water, and stairs don't. So with a 1x1 stair, you have 4 tiles producing water (North, East, South, and West.) into one square, so it will fill up quicker. But with a 3x3 staircase there are 12 tiles producing water to fill 9 squares. It's much slower.

If you're doing 3x3 with a light aquifer, it should be no real issue. Dig down, build walls, dig down, build walls. Wood and stone work the same here. Keep trying and you'll figure it out.

[Dracko81]

Well the bigger the staircase the more evaporation.  If you had a 4x4 you'd have 16 tiles into 16, which is 1:1.

AAAAAA
AXXXXA
AXXXXA
AXXXXA
AXXXXA
AAAAAA

So if you look at that the X represents the stairway.  The A represents the aquifer walls.  The Aquifer will only spread horizontally and vertically.  It will not spread Diagonally.  This means you have 4 on the North/South/East/West walls each totalling 16 water producing walls and 16 tiles that can hold water.  Giving you a 1:1 ratio.  The more tiles you have to evaporate water the less issues you will have.

Which is why I said keep mining down, then dig a tunnel in rock.  If you made a 10x3 tunnel at the bottom of the 3x3 staircase, you'd have 39 (30 in the tunnel, 9 in the staircase) tiles to evaporate the water.  Which is going to give you time to play around a little and should give you plenty of time to dig out the dirt and build walls or smooth the walls of water bearing stone.

[FantasticDorf]

I've just built the dripping into my own design to mist generate (and the low amount of water just drips dirt & blood off dwarves without completely covering them with water 24/7)



I have 3 pressure negators (going diagonally between a up to a down-stairs that kills pressure) over my staircase to catch and filter the water to a basin below which has a bridge sealed channel to a fortification leading offmap, and a retracting bridge to dump pooled water. Im still trying to tighten it up but im happy with how it operates.

Captured water in a basin below was spashed over a rock-floored farm via retracting bridge, and is handled via a long aqueduct to a fortification in the map edge to take it away, which i might tap into for some water-wheels if appropriate.

[janamdo]

Thanks

Yes, i know now how the calculation ( ratio: aquiferwalls and stair bottom ) works ..great.
The  construction made by @fantastic dorf  is a little bit complicated to grasp. ( watermanagement is a big topic here in DF )
 

[FantasticDorf]

Thanks

Yes, i know now how the calculation ( ratio: aquiferwalls and stair bottom ) works ..great.
The  construction made by @fantastic dorf  is a little bit complicated to grasp. ( watermanagement is a big topic here in DF )

The water will trickle down, so at the very bottom of the stairwell (a layer above where the actual bottom dwarves use to enter my fortress, but its helpful for letting miners get back up) the plumbing design is based off this DF - wiki schematic (the 2nd one specifically) of the safe-well
 

Spoiler: "slightly large images in order of depth" (click to show/hide)

There really is nothing additionally to it, its a simple system of pooling the water that would gather in a aquifer dripping stairwell with some additional complexity of bridges & levers for safety from a control-room rather than using floodgates because i need on-off opening of the waterways, water continually goes off into the east channel leaving the bottom of the basin always 7/7.

[janamdo]

Thanks for the pictures
Its for a vanilla ( default DF ), but i play in another tileset, makes that i must learn the default symbols in order to  fully undertstand your constrructions

Its hard on  wiki that for instance for pressure ..i can't sometimes not cope with the diagrams : take the plumbing schemes
Don't know what a z-level here is ( i think the thick blockline and between a another one there is a open space: ( that is floortile )
If there is legenda what explains the used symbols in the drawings makes it probably easier to understand, at least i hope so. 

[janamdo]

Dampstone vertical mining together with a stair can be done by building wall
Now i must mining horizontal  in the dampstone and this miningal most impossible without luck => no i was wrong : i must build a hallway and add walls on both sides and look if i can go forwards

 

[Shonai_Dweller]

Dampstone vertical mining together with a stair can be done by building wall
Now i must mining horizontal  in the dampstone and this miningal most impossible without luck => no i was wrong : i must build a hallway and add walls on both sides and look if i can go forwards

Do you have no layers of rock between the aquifer and the magma sea? Why not just ignore the aquifer level?

[janamdo]

Do you have no layers of rock between the aquifer and the magma sea? Why not just ignore the aquifer level?

You are right, i must go deeper in the ground as earlier mentioned here in post
I got a tutorial in my mind what shows another building depth.
 

[delphonso]

For most of my forts, I embark with an aquifer (heavy or light.) My fort has farms 1 or 2 z-levels below the surface, then a long gap of just stairs, and the real fortress about 12-15 z-levels deep (in stone, far below the aquifer.)

I guess most players do something similar.

[janamdo]

For most of my forts, I embark with an aquifer (heavy or light.) My fort has farms 1 or 2 z-levels below the surface, then a long gap of just stairs, and the real fortress about 12-15 z-levels deep (in stone, far below the aquifer.)

I guess most players do something similar.

Thanks
I will try to follow your advice ..
Takes some time to go thrue the aquifer (heavy or light.) to reach rock, so there must be plenty food and drinks and some basic defence ?

sidenote:
I started and got a message from a forest retreat : (elves) : how is this message come to my fort ?( a reminder ?)..my caravan came from somewhere and  maybe this was pre knowledge ?
 

[PatrikLundell]

- Dig in, haul goods in, and secure it with a door at first and a drawbridge as soon as mechanisms are available (require stone). While miners dig farmers can build indoor farms and you can also collect surface plants.

- My guess is that you were notified of a forest retreat making an economic link to your site. That doesn't mean much more than you're being their abstract (black) market, with no actual effects for the player (no actual trading, for instance). Might contribute to the requirements for the site being upgraded and saddled with a noble, though.

[FantasticDorf]

- My guess is that you were notified of a forest retreat making an economic link to your site. That doesn't mean much more than you're being their abstract (black) market, with no actual effects for the player (no actual trading, for instance). Might contribute to the requirements for the site being upgraded and saddled with a noble, though.

When you have a baron/landowning noble, dwarf economic sites are supposed to be instantly transferred to you; but other civilizations don't comply with this request as part of a bug even though through the economic link they should be obliged, and don't let you reclaim your workers either even though you can send (virtually exiling) workers there who will never migrate back.

Its a pity really, because hill-dwarves (as they're referred to) are greenlisted to migrate to your site as long as they weren't sent there with the expel order to relocate, it would also mean your site is opened up to whoever else wants to come from the towns defecting to the Dwarves fort.