Mine Support

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Mine Support
Mine Support.png
Vital statistics
Size 1 x 1
Skill(s) RequiredSpecific needed skills.<br>The default skills every hearthling starts off with, Oral Tradition, Primitive Tools & Wilderness Survival), are ignored. Mining
Object(s) Required Block of Wood x16, Bar of Common Metal x1
Repaired With Block of Wood
(repairs 33.3% per unit)
Can be Lifted No
Hit Points 150
Soak Value 3
Go to Objects

Icon keyboard.pngBuild > Buildings & Construction > Mine Construction > Mine Support

Mine Supports are mining support structures which prevent cave-ins in a nine tile radius. They can be bit of a hassle to build due to requiring wood.
Mine Supports are the first tier of Mining support/columns, below Stone Columns:

Note: Mined tiles will still show dust animation (see Mining page) when under the radius of the support, to warn of cave-in tiles, but caveins won't occur under support.

Mine Support takes damage every time it prevents a cave-in. If not taken care of, this can eventually result in destruction of the Mine Support which triggers a massive cave-in.

For a mine support structure to prevent a cave-in, it must touch the center of the tile:

Quoted from Loftar
<SuperDaddy> Does it count if the radius is touching part of the tile?

<loftar> Well, to be precise, it needs to touch the exact center of the tile.

This means tiles covered by the column radius just slightly aren't supported.

Caution: whenever a mine support is removed, all tiles under it are checked for unstable mine tiles. If there are unstable tiles within range, which are now, with the removal of the mine support, unsupported, the removal will cause a cave in. This means that you can now tear down mine supports without cave ins, if you still have proper support around it

A picture showing the tiles around a support that are safe to mine.

Support Radius

The squares around the support that are safe to mine.

All tiles marked in blue are covered by mine support. When unstable tile in a radius is mined instead of cave-in support takes damage. Mining a tile outside of the blue area may cause a cave-in. This structure will support mining within a 9 tile radius.

Variable Materials

Design guide for mine support

Every type of wood

Game Development

  • Loose Velvet (2023-06-22) >"Mine Supports now take less damage when preventing cave ins (about 0.5x). When a Mine Support prevents a cave in, the normal collapsing stone effect is played on it to indicate that."
  • Loose Velvet (2023-06-22) >"When outside the protection of a mine support, encountering a mine warning tile (e.g. one near a cavein tile, where cave dust falls) will interrupt area mining operations."