40d:Stone management

Mine for long enough and you'll find yourself surrounded with various stones and ores. How do you get rid of them?

Here follows several stone management techniques.

Techniques

Dump

This method is easy and useful. However, it could easily be considered an exploit, and might not work in later versions.^{v0.27.176.38c}

1. Make a zone of 1x1 or 1x2 tiles, preferably either near the stones you want to get rid of or your stone-needy workshops, and mark it as a garbage dump.
2. Press k and find a stone. Press d, and the stone will be marked for dumping. Alternatively, use the stocks menu (faster for mass dumping, but requires some bookkeeper labor first). You can also use d,b,d to designate mass items for dumping. You could also use a dumping macro to designate large amounts of stones at once. However, macros do not discriminate between stones and other items, so it is best to use them right after you dig out a new area. Be careful when you mark areas containing cave spider silk for dumping, as dwarves will actually come along and destroy the webs!
3. A dwarf with refuse-hauling will come by, and take the stone to the garbage dump.

• Advantage: No matter how many stones you mark for dumping, they will all be placed on the same tiny garbage tile. So basically, mark all the stones you want dumped and they will be dumped. You are now able to place all the stones and ores in the fortress on 1 tile.
• Disadvantage:
  • Every dumped stone will be marked as "Forbidden", and will not be used in stone-production. Use the designation 'Reclaim Items' (d-c) to reclaim the entire pile. (If you want to only use specific stones, you must press k, find the pile, and press f on every stone you want on the list, using +/- to navigate through the list. Macros may come in handy when employing this method.)
  • Anything else you dump, will end up on those piles too.
  • Take care not to lose overview if you use several or temporary dumps.

Magma melting

If you wish to get rid of the stone permanently, create a magma channel through your fort and mark the edge as a garbage pit. Any stone disposed of will be chucked into the magma, melt, and be gone from your fortress forever. Of course, the disadvantage is that for anything else you mark as garbage will also be lost forever.

Chasm dump

If the dwarves are instructed to dump the stone into a garbage zone over bottomless lava or chasm, that stone will fall off the bottom of the map and journey to the center of the Earth.

Catapult

Build a catapult (or three), and assign a dwarf (or five) to keep firing stones into walls, or at camels. This destroys the stone and also trains dwarves in siege operating.

Rock chute

You can dig a channel, and make a zone over an adjacent tile. Mark it as a garbage dump, and dwarves will dump stones flagged for dumping down the channel. The stones will end up in the bottom tile.

Rock crusher

Similar to the rock chute, but build a drawbridge in the pit and a pressure plate at the entrance to the chute, linked to the bridge. Make sure you set the pressure plate to trigger on citizens. Alternately, just link it to a lever and pull it every once in a while. Mark the channel and empty tile as a dump zone. When a stone is dropped, the drawbridge will crush the stone, permanently destroying it. Note: make sure the bridge is up when stones are dumped down it, or it will fling stone back up the channel. To achieve this, you will need to hook up another lever, and pull it once before any dwarves go on the pressure plate.

Level Z:
=====
==.==
== ==
==^==

Level Z-1:
=====
=BBB=
=BBB=
==D==

. - Channel
= - Wall
^ - Pressure plate
B - Drawbridge - make sure to set to raise while constructing, as opposed to retract.
D - Door - keep locked to avoid accidentally crushing dwarves

Making use of stone

Use your masons to the fullest by creating doors, hatch covers, chairs, tables, coffers, cabinets, and statues. This builds up your mason's skill, and the furniture gives your dwarves good thoughts.

Skilled Craftdwarfs can produce large quantities of rock crafts very quickly. This trades the problem of tons of stone to the much easier problem of tons of crafts. As long as you have bins, managing a stockpile of finished goods is easy. Crafts can be sold to foreign traders, who have plenty of room for a lot of goods.

You can also use stones (or blocks) to build large structures above ground, and floors over areas such as sand, silt, or loam. The construction interface might be slow, but not only do you use up the stone from your excavations, but you can also create usable indoor space without having to mine any additional stone.

Building traps can use up stone as well. Mechanisms are also made of stone, and a stone-fall trap requires one mechanism and one stone.

Avoiding clutter

The easiest way to avoid stone clutter is not to produce it in the first place. Use unskilled miners for initial fortress excavation to reduce the amount of useless stone they create, and don't dig out more than necessary. Produce lots of barrels and bins to cut down on your need for stockpile space.

However, unskilled miners also have a low chance of creating valuable stones and gems when they dig out a tile. It may require some micromanagement to prevent unskilled miners from wasting potentially valuable materials.

Building in soil, rather than stone, avoids the problem of stone altogether. Soil walls and floors cannot be smoothed, which makes it a bad choice for bedrooms and dining halls.

Stone Stockpile

This is not a recommended method due to space and time requirements.

Build a large stockpile for stone away from your fortress. Dwarves will carry stones out to the stockpile, and they will no longer clutter up your fortress. The stockpile needs to be placed somewhere without stones, because only one stone will be placed per tile, and will result in long hauling trips.

Block Stockpile

Simply have the stone cut into blocks then stockpiled. As long as you have enough bins, this works quite well, since 10 blocks can be stored in a single bin. Depending on the rate you mine out the fortress, you may need several (Or even a dozen) Mason workshops. Just set them up wherever you want the stone cleared, and have them removed when they are no longer sitting amidst a pile of stone. This will also train up extra masons, which is helpful if you decide to make any large scale constructions.

A word of warning: The maximum number of artifacts your fortress will produce is based on the lowest of two numbers based off of mined out rock, and items produced. If you use this method to mine out a huge area, make sure you're prepared for the artifacts which could skyrocket your wealth very early, leading to sieges, nobles, and huge immigrant waves.

Reasons for managing stone

Stockpiles

On some stockpiles, you will be unable to use the tiles that contain a stone. It will therefore be a good thing to clear up room for the things you want to stockpile. Alternatively, if the top Z level comprises soil/loam rather than rock, then you can clear it out for stockpiles without worrying about stones filling the new space.

Aesthetics

Many players find the fortress more enjoyable to look at if it looks nice and uniform. Random stones lying about are clutter which block the view of a tile and prevent stockpiles from being filled. Create smooth clear floor for a leaner, fitter, happier fortress.

Not Actually Necessary

You hardly need to remove stones at all, unless they block a building site (of beds,doors,walls..). Clearing out the fortress for stone is more of a personal priority rather than an essential need or requirement. Remember that there is no such thing as excess stone to a dwarf.

Mining FAQ
How do I get my dwarves to haul stones only from certain areas?
How do I find ores to mine?
How do I get my dwarves to haul ores and ignore useless stones?
How do I get rid of all this stone?
How do I stop miners from falling in channels as they dig them?
What causes a cave-in?
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