Mildly Interesting

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This obscure rule is one reason San Francisco can’t build more housing (www.sfchronicle.com)

submitted 1 week ago by [email protected] to c/[email protected]

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[–] [email protected] 11 points 6 days ago* (last edited 6 days ago) (1 children)

I'm living in a 15 floor apartment building with a single stairwell. (Germany, the building is from 2015)

There's two elevators, one of them is equipped for firefighters (manual control possible after inserting the firefighters' key, windows)

The single escape stairwell is isolated from the rest of the house by double doors (kind of an airlock against smoke). The escape stairwell is isolated against smoke and fire.

Also on every floor there's a kind of glass cage in front of the elevators with a normally open door, in case of fire this will isolate the elevators against smoke.

In case of a fire alarm all the doors will automatically close (you can still open them. manually), additionally huge fans will be pulling clean air through the stairwell and the elevators.

We have individual fire alarms in every room - and a common system, connected to the fire department, in the shared areas.

So it's a "put all of your eggs into one basket, but have a damn good basket" concept.

Btw, I'm on 8th floor, so too high to jump and probably already out of reach of the FD's "extensible ladder" car.

[–] [email protected] 2 points 6 days ago

Now only missing are the yearly fire drill like it was in school.