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Editing v0.34:Well guide
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{{quality|Masterwork|22:15, 22 September 2012 (UTC)}}{{av}} | {{quality|Masterwork|22:15, 22 September 2012 (UTC)}}{{av}} | ||
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''This guide assumes you've read the main article on '''[[well]]s''' and are familiar with the basic information found in that article, of what a well does and what is required to build one.'' | ''This guide assumes you've read the main article on '''[[well]]s''' and are familiar with the basic information found in that article, of what a well does and what is required to build one.'' | ||
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=== Why You Might Not === | === Why You Might Not === | ||
− | * Wells are yet another opportunity to flood your fort (not like trenches aren't, though). Playing with water is generally dangerous if you don't know what are you doing. | + | * Wells are a yet another opportunity to flood your fort (not like trenches aren't, though). Playing with water is generally dangerous if you don't know what are you doing. |
* For the purposes unrelated to drinking and bathing, a well is just a hole in the floor. Fighting dwarves and animals can easily dodge into it, as they would into any other hole. | * For the purposes unrelated to drinking and bathing, a well is just a hole in the floor. Fighting dwarves and animals can easily dodge into it, as they would into any other hole. | ||
* They take a lot of time and effort to construct, especially when compared to alternatives. | * They take a lot of time and effort to construct, especially when compared to alternatives. | ||
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A well needs a water source of at least 3/7 depth, at least 1 [[z-level]] somewhere directly below its opening, with no obstructions between itself and said water. Pre-existing water is safe because it's the most predictable - what you see is what you've got, no surprises. You can instead use dwarven engineering to bring water from a distant source to beneath your well, with a safety factor based on your experience and the complexity of the project. (See [[flood]].) | A well needs a water source of at least 3/7 depth, at least 1 [[z-level]] somewhere directly below its opening, with no obstructions between itself and said water. Pre-existing water is safe because it's the most predictable - what you see is what you've got, no surprises. You can instead use dwarven engineering to bring water from a distant source to beneath your well, with a safety factor based on your experience and the complexity of the project. (See [[flood]].) | ||
− | The important part about the well is to make sure that you don't create a situation where the water will [[flood]] your fortress, due to [[pressure]] from a source at a higher level. If the water is stable before you build the well above it, it will be safe (unless your dwarves change things), but if you are introducing a flow, make sure you understand how ''dwarven'' pressure works and will not fall victim to its surprises. (See [[pressure]].) | + | The important part about the well is to make sure that you don't create a situation where the water will [[flood]] your fortress, due to [[Water_pressure|pressure]] from a source at a higher level. If the water is stable before you build the well above it, it will be safe (unless your dwarves change things), but if you are introducing a flow, make sure you understand how ''dwarven'' pressure works and will not fall victim to its surprises. (See [[Water_pressure|pressure]].) |
=== Pre-existing sources === | === Pre-existing sources === | ||
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=== Flooding === | === Flooding === | ||
− | More fortresses have fallen at the hands of a flooding well than they have to megabeasts, sieges or | + | More fortresses have fallen at the hands of a flooding well than they have to megabeasts, sieges or demons. If you are going to be shifting water around in any form other than buckets, be prepared for the worst. |
There are several solutions to the flooding problem. | There are several solutions to the flooding problem. | ||
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* Emergency Auto-plug. You can make pressure plates sense water. If you set up a pressure plate beside your well, and connect it to a hatch or door blocking your reservoir, it will automatically seal the reservoir off from its flow source, should the thing flood. | * Emergency Auto-plug. You can make pressure plates sense water. If you set up a pressure plate beside your well, and connect it to a hatch or door blocking your reservoir, it will automatically seal the reservoir off from its flow source, should the thing flood. | ||
* No Exits. The safest and easiest way to do it, is to dig out the reservoir, ''but not the opening for the well itself''. This way, you can fill the reservoir completely, and because there's nowhere for it to flood out to, it simply WON'T! Then you can seal off the reservoir at your leisure and dig the opening without concern! (Though not without caution. Make sure you turned the taps off first.) | * No Exits. The safest and easiest way to do it, is to dig out the reservoir, ''but not the opening for the well itself''. This way, you can fill the reservoir completely, and because there's nowhere for it to flood out to, it simply WON'T! Then you can seal off the reservoir at your leisure and dig the opening without concern! (Though not without caution. Make sure you turned the taps off first.) | ||
− | * Cut the Pressure. Filling a reservoir from above is a good way to cause a flood. | + | * Cut the Pressure. Filling a reservoir from above is a good way to cause a flood. If the aqueduct terminates in a diagonal gap right before (and on the same z-level as) the intended reservoir, the pressure will be negated and the well won't overflow. |
=== Monsters === | === Monsters === | ||
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First off, if you're bucket-filling a well, you need to make sure that their initial water source is safe. Make sure it isn't full of crocodiles or carp. (Or other dangerous fishy things) | First off, if you're bucket-filling a well, you need to make sure that their initial water source is safe. Make sure it isn't full of crocodiles or carp. (Or other dangerous fishy things) | ||
− | If you are draining water through an aqueduct, and you know there may be dangerous animals (Or even just unwanted regular animals) living in it, there is a way to stop them from wandering in. You can place [[Grate|wall grates]] | + | If you are draining water through an aqueduct, and you know there may be dangerous animals (Or even just unwanted regular animals) living in it, there is a way to stop them from wandering in. You can place [[Grate|wall grates]], [[Bars|upright bars]], or [[fortification]]s in the aqueduct to act as filters. These allow water to pass through, but animals cannot. It has been observed that in very rare occasions, animal may be pushed through. If you're that concerned about it (Or have HORDES of angry crocodiles in your river) putting two filters in a row pretty much eliminates any chance of this happening. If you plan to use filters in conjunction with [[floodgate]]s, remember to connect your floodgate to its trigger ''before'' placing the filters. |
Even if monsters do get into your well, they're rarely a genuine threat, and at worst can give your dwarves an unhappy thought by scaring them. However, if your reservoir is filled right to the brim, carp and other fish CAN attack your dwarves, just as they would from a river. Also, any amphibious creatures may be able to use an escape passage to make their way into your fortress and make a mess. (Keep in mind, zombified fish are amphibious) And, of course, anyone who falls into a well full of predators is pretty much doomed. | Even if monsters do get into your well, they're rarely a genuine threat, and at worst can give your dwarves an unhappy thought by scaring them. However, if your reservoir is filled right to the brim, carp and other fish CAN attack your dwarves, just as they would from a river. Also, any amphibious creatures may be able to use an escape passage to make their way into your fortress and make a mess. (Keep in mind, zombified fish are amphibious) And, of course, anyone who falls into a well full of predators is pretty much doomed. |