Dam - Revision history

173.24.215.87: /* Ice method */

2023-06-12T16:28:39Z

Ice method

173.24.215.87 at 16:27, 12 June 2023

2023-06-12T16:27:38Z

LethosorBot: Tagging v50 page (1052/4888)

2022-12-21T00:25:46Z

Tagging v50 page (1052/4888)

LethosorBot: LethosorBot moved page DF2014:Dam to Dam: Migrating v50 page (868/4618) (content)

2022-12-20T03:18:14Z

LethosorBot moved page DF2014:Dam to Dam: Migrating v50 page (868/4618) (content)

Ludicer: /* Draining method */

2022-12-18T05:26:24Z

Draining method

Voliol: Sized up the image to its prior state

2022-08-24T16:42:42Z

Sized up the image to its prior state

Zippy at 16:00, 24 August 2022

2022-08-24T16:00:39Z

Zippy: Added image.

2022-08-23T15:25:13Z

Added image.

Voliol: toned down the sass

2022-08-22T14:21:15Z

toned down the sass

Putnam3145: i think the wiki should encourage FPS killers less, sorry

2022-08-22T03:56:13Z

i think the wiki should encourage FPS killers less, sorry

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 ===Ice method===
-The easiest and quickest method of dam manufacture is only possible if your map freezes during winter. Simply dig out a thin section of [[channel]]s across the river and build a wall out of floodgates, blocking the path of the water.
+The easiest and quickest method of dam manufacture is only possible if your map freezes during winter. Simply dig out a thin section of [[channel]]s across the frozen river and build a wall out of floodgates, blocking the path of the water when it thaws.
 ===Draining method===

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 [[Image:dam.jpg|right]]
-A '''dam''' can be built across a [[river]] or [[brook]].  This has several uses, but may negatively impact [[Maximizing_framerate|the game's performance]]:
+A '''dam''' can be built across a [[river]] or [[brook]].  This may negatively impact [[Maximizing_framerate|the game's performance]], but has several uses:
-*Stop a river from flowing altogether
+*Stopping a river from flowing altogether
-*Modify a river's path
+*Modifying a river's path
-*Create a pretty lake or functional reservoir
+*Creating a pretty lake or functional reservoir
-*Create water-based traps
+*Creating water-based traps
 A river will not "overflow" its banks above its starting level because of a dam.  (Note - if a waterfall is upstream, the ''upper level'' is the "starting level"!)

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 If your dwarves are persistent enough you can also dig out a large chamber under the river at Z-1, channel out holes on both sides at Z0, and cover these holes with walled-in bridges. When you raise the bridges the water drops down; when you lower them it starts flowing again. This avoids the 'infinite hole' bug that can result if you use collapses to punch holes in the bottom of brooks.
-If you wish to avoid loss of dwarven life then use staircases instead of channelling or cave-ins. Dig a row of up/down staircases (at least 2 z-level deep) under the river, then order downstairs be dug into the floor of the river, the dwarves will complete these from below, and ''provided you have a proper infinite drain'', either map edge, caverns or aquifer, there is no chance at all of dwarves drowning. This trick can even be used to safely drain oceans (although just because it's safe, doesn't mean it's smart).
+If you wish to avoid loss of dwarven life then use staircases instead of channelling or cave-ins. Dig a row of up/down staircases (at least 2 z-level deep) under the river, then order downstairs be dug into the floor of the river, the dwarves will complete these from below, and ''provided you have a proper infinite drain'', either map edge, caverns or aquifer, there is no chance at all of dwarves drowning. This trick can even be used to safely drain oceans (although just because it's safe doesn't mean it's smart).
 One other possible method of disposing of that water is channelling it to an [[aquifer]] lower than the river, it will absorb the pressurized water. The best part of this method is that the [[aquifer]] will likely be almost directly under the river, minimizing the needed construction.

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 ===Further possibilities===
-[[Image:Unfillable Dam.jpeg|thumb|right|200px|Baboonanza's Unfillable Dam [[megaproject]]]]
+[[Image:Unfillable Dam.jpeg|thumb|right|400px|Baboonanza's Unfillable Dam [[megaproject]]]]
 *Most of the above techniques can be used to puncture oceans and lakes, for dikes or random under-water bunkers.
 *You can create a massive flood if you build a dam out of floodgates and open them all at once. Good for traps. Works with magma.

← Older revision	Revision as of 03:18, 20 December 2022
(No difference)

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 *You can create a massive flood if you build a dam out of floodgates and open them all at once. Good for traps. Works with magma.
 *Being in control of your local river/brook makes you more of a <s>man</s> dwarf.
 {{Category|Design}}
 {{Category|Guides}}
 [[ru:Dam]]

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 A '''dam''' can be built across a [[river]] or [[brook]].  This has several uses:
-*Stop a river from flowing altogether
+*Stop a river from flowing altogether (for whatever reason)
-*Modify a river's path
+*Modify a river's path (although this will require constant water calculation)
-*Create a pretty lake or functional reservoir
+*Create a pretty lake or functional reservoir (although this can be done without damming at all)
-*Create water-based traps
+*Create water-based traps (ditto)
 A river will not "overflow" its banks above its starting level because of a dam.  (Note - if a waterfall is upstream, the ''upper level'' is the "starting level"!)