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That sounds fair on the surface, but we manage to build multi-egress buildings all the time in other countries, and if a single stairwell is the only egress a l

That sounds fair on the surface, but we manage to build multi-egress buildings all the time in other countries, and if a single stairwell is the only egress a lot of people could die in a fire. Some of these mod-sized buildings are too tall to make jumping out of a window a realistic option. So I’m not really sympathetic to this argument. Unlike some building codes, this one is directly connected to a life and death issue and we have seen what happens in fires where people can’t get out.

bombcar 4y ago
Yeah, it seems to me that we can actually work out the situations involved, and being on the sixth floor of a building with only one fire egress seems undesirable. Perhaps it can be compensated for with various "either two egresses OR each bedroom must be equipped to be fire proof for X minutes" or something, and bring back hook and ladder trucks (arguably which are not used as much because buildings now have multiple egresses when that tall).
- pessimizer 4y ago
  > each bedroom must be equipped to be fire proof for X minutes This is the kind of absurdly complex regulation that sounds simple, but is a lobbyist's dream. Two exits are easy to know when you've implemented, and easy for regulators to check if you've implemented. A "bedroom" being "fire proof" for X minutes will involve 900 pages of nonsense regulations from which lobbyists have carefully removed anything that will affect their bottom line. "Each bedroom must be equipped to be fire proof for X minutes" was the type of rule that caused the fire brigades to tell people in Grenfell to stay in their apartments, and even more importantly the type of rule that allowed contractors to claim compliance to was sufficient enough that they could use flammable, shit cladding that was illegal in Europe and the US, and install it incompetently (because if the units were "fireproof," who could care?)
  - bombcar 4y ago
    Very good points - and Grenfell is an example as to why these regulations exist; otherwise people would burn to death in "missing middle" housing and nobody would really care much.
    - nasmorn 4y ago
      I live in Vienna and almost all buildings are single staircases with 4-8 floors. Almost all house fires are in old housing stock. In new concrete apartment buildings it is usually a single apartment that burns out. It is an almost absurd fear compared to eg traffic related deaths.
      - twblalock 4y ago
        It’s one of those things that is rare and unlikely, yet is extremely bad when it happens. Kind of like how airline crashes are much rarer than car crashes, but they are also much worse and always make the news. When you have a 99% chance of things going well, and a 1% chance of things going badly, normally you would feel very safe. But when “things going badly” can mean dozens or hundreds of people dying in a fire, that 1% suddenly looks a lot more serious.
        jaclaz 4y ago
        But the article is not about building codes for larger buildings, it is about the building code for small ones exceeding the single family house.
    - jaclaz 4y ago
      High-rise buildings are a completely different matter. Besides Grenfell, the same thing (without deaths, thankfully) happened in Milan (very similar issue with aluminium panels on the outside): https://www.youtube.com/watch?v=iNvbxTMSM5Y https://www.youtube.com/watch?v=iNvbxTMSM5Y What emerged from both these fires is that some of the "new" materials are far less safe than expected and that the fire brigades simply have no means to pump water at a height more than a few floors (ten-twelve?).
henrikschroder 4y ago
Except what this site says is that counter-intuitively, this policy doesn't save lives, it's actually the opposite: "Zeidler explains that “this appears to be a reasonable precaution for life safety. However, the life safety of this single stair type in Europe has been equal to, if not better than ours,” due to the fact that the single stair scheme is shared between fewer units." And that's the thing, entire countries disagree on the necessity of a second stairwell for fire safety, and there's data to back up the position. But because a lot of people in North America have those (unfounded) fears, the second stairwell is part of the building code, and as a result an entire class of buildings don't get built because the economics don't work out.
- WWLink 4y ago
  I'm siting here pondering how adding a second stairway to a building makes it economically unfeasible. What kinda crappy buildings are you making where the stairway is that substantial to the cost of the construction? And in low rise buildings, there's usually a LOT of stairways lol. A typic suburban US apartment complex has a half dozen buildings, and each one has maybe 12 apartments and like 4 stairways.
  - astrange 4y ago
    Adding a second stairway typically requires rearranging the building to be double-loaded (having a central hallway with apartments exclusively on either side), which wastes much more space, only allows windows on one side of the apartment, feels like you live in a hotel etc. https://www.treehugger.com/single-stair-buildings-united-states-5197036 https://www.treehugger.com/single-stair-buildings-united-sta...
    - frickinLasers 4y ago
      What's wrong with fire escapes? I see plenty of space to add those to a point access block.
- twblalock 4y ago
  > But because a lot of people in North America have those (unfounded) fears, the second stairwell is part of the building code, and as a result an entire class of buildings don't get built because the economics don't work out. I don't believe the fears are unfounded, and frankly I don't see why anyone should buy what this Zeidler guy is selling -- if what he is saying is true, all it means is that European buildings should also be changed to have multiple egress options for every unit! Seriously, would you be willing to live on the 6th floor of a building where the only way out in a fire is a single staircase? Don't look at statistics to decide this: even if you would be safe most of the time, it only takes one outlier incident to kill you, so why put yourself in that situation?
squokko 4y ago
How many fire deaths are worth how much housing? Inaccessibility of housing is tied to economic destitution, homelessness, and other things that directly cause deaths. It's entirely possible for more quality-adjusted life years to be lost in the path that causes less housing to be built.

bombcar 4y ago

Yeah, it seems to me that we can actually work out the situations involved, and being on the sixth floor of a building with only one fire egress seems undesirable. Perhaps it can be compensated for with various "either two egresses OR each bedroom must be equipped to be fire proof for X minutes" or something, and bring back hook and ladder trucks (arguably which are not used as much because buildings now have multiple egresses when that tall).

pessimizer 4y ago
> each bedroom must be equipped to be fire proof for X minutes This is the kind of absurdly complex regulation that sounds simple, but is a lobbyist's dream. Two exits are easy to know when you've implemented, and easy for regulators to check if you've implemented. A "bedroom" being "fire proof" for X minutes will involve 900 pages of nonsense regulations from which lobbyists have carefully removed anything that will affect their bottom line. "Each bedroom must be equipped to be fire proof for X minutes" was the type of rule that caused the fire brigades to tell people in Grenfell to stay in their apartments, and even more importantly the type of rule that allowed contractors to claim compliance to was sufficient enough that they could use flammable, shit cladding that was illegal in Europe and the US, and install it incompetently (because if the units were "fireproof," who could care?)
- bombcar 4y ago
  Very good points - and Grenfell is an example as to why these regulations exist; otherwise people would burn to death in "missing middle" housing and nobody would really care much.
  - nasmorn 4y ago
    I live in Vienna and almost all buildings are single staircases with 4-8 floors. Almost all house fires are in old housing stock. In new concrete apartment buildings it is usually a single apartment that burns out. It is an almost absurd fear compared to eg traffic related deaths.
    - twblalock 4y ago
      It’s one of those things that is rare and unlikely, yet is extremely bad when it happens. Kind of like how airline crashes are much rarer than car crashes, but they are also much worse and always make the news. When you have a 99% chance of things going well, and a 1% chance of things going badly, normally you would feel very safe. But when “things going badly” can mean dozens or hundreds of people dying in a fire, that 1% suddenly looks a lot more serious.
      - jaclaz 4y ago
        But the article is not about building codes for larger buildings, it is about the building code for small ones exceeding the single family house.
  - jaclaz 4y ago
    High-rise buildings are a completely different matter. Besides Grenfell, the same thing (without deaths, thankfully) happened in Milan (very similar issue with aluminium panels on the outside): https://www.youtube.com/watch?v=iNvbxTMSM5Y https://www.youtube.com/watch?v=iNvbxTMSM5Y What emerged from both these fires is that some of the "new" materials are far less safe than expected and that the fire brigades simply have no means to pump water at a height more than a few floors (ten-twelve?).

henrikschroder 4y ago

Except what this site says is that counter-intuitively, this policy doesn't save lives, it's actually the opposite: "Zeidler explains that “this appears to be a reasonable precaution for life safety. However, the life safety of this single stair type in Europe has been equal to, if not better than ours,” due to the fact that the single stair scheme is shared between fewer units." And that's the thing, entire countries disagree on the necessity of a second stairwell for fire safety, and there's data to back up the position. But because a lot of people in North America have those (unfounded) fears, the second stairwell is part of the building code, and as a result an entire class of buildings don't get built because the economics don't work out.

WWLink 4y ago
I'm siting here pondering how adding a second stairway to a building makes it economically unfeasible. What kinda crappy buildings are you making where the stairway is that substantial to the cost of the construction? And in low rise buildings, there's usually a LOT of stairways lol. A typic suburban US apartment complex has a half dozen buildings, and each one has maybe 12 apartments and like 4 stairways.
- astrange 4y ago
  Adding a second stairway typically requires rearranging the building to be double-loaded (having a central hallway with apartments exclusively on either side), which wastes much more space, only allows windows on one side of the apartment, feels like you live in a hotel etc. https://www.treehugger.com/single-stair-buildings-united-states-5197036 https://www.treehugger.com/single-stair-buildings-united-sta...
  - frickinLasers 4y ago
    What's wrong with fire escapes? I see plenty of space to add those to a point access block.
twblalock 4y ago
> But because a lot of people in North America have those (unfounded) fears, the second stairwell is part of the building code, and as a result an entire class of buildings don't get built because the economics don't work out. I don't believe the fears are unfounded, and frankly I don't see why anyone should buy what this Zeidler guy is selling -- if what he is saying is true, all it means is that European buildings should also be changed to have multiple egress options for every unit! Seriously, would you be willing to live on the 6th floor of a building where the only way out in a fire is a single staircase? Don't look at statistics to decide this: even if you would be safe most of the time, it only takes one outlier incident to kill you, so why put yourself in that situation?

squokko 4y ago

How many fire deaths are worth how much housing? Inaccessibility of housing is tied to economic destitution, homelessness, and other things that directly cause deaths. It's entirely possible for more quality-adjusted life years to be lost in the path that causes less housing to be built.