ᐅ Second Escape Route Problem Due to Electric Roller Shutters

Maria16 schrieb:

How great to complain about regulations because they don’t go far enough... As Steffen already said, no one is stopping you from installing an emergency ladder or similar (but you’d probably have to complain even more if it were mandatory, questioning why the government interferes so much and forces people to spend money)

Not because they don’t go far enough, but because it simply doesn’t make sense. An open window means fresh air supply and promotes the chimney effect, which means air is drawn into the room where you are. Without a timely rescue from the outside, I would argue that opening the escape route on the upper floor can even be counterproductive.

However, the fire department shouldn’t have to watch you suffocate through the window from the outside. You need oxygen just as much as the fire does. If you still have the option between a window and a stairwell, this problem doesn’t even arise.

@Steffen80
But you can't power anything emergency-wise with the bus, 30V DC versus 230V AC. A motor already requires several times the power of a bus power supply.
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Nonsense... of course, we have a large APC UPS (230 V) that powers the bus, server, etc. Adding that single 100-watt motor is obviously no problem at all.

Nobody told us that they are not allowed to be electric. Now people are starting to think about it. How intense would a fire have to be for the house to lose power? The smoke detectors should have woken everyone up long before that.

haydee schrieb:

How intense does the fire have to be for the house to lose power? The smoke detectors should have woken everyone up by then.

And if there’s a fire inside and the whole place is filled with smoke, am I supposed to manually crank the handle just in case? Strange logic from the fire department.
It wasn’t an issue in our last house either – everything was electrical.

Strahleman schrieb:

Not because it doesn’t go far enough, but because it is simply illogical. An open window provides oxygen and promotes the chimney effect, meaning it draws air from the room you are in. Without timely external rescue, I would argue that opening the escape route on the upper floor may even be counterproductive.

The fact that opening a window in a special case can lead to a flashover does not contradict the strong rationale for having a second escape route. The objection is similar to claiming that a car door is poorly designed because it can jam in an accident, or concluding that cyclists should ride without helmets because, on average, drivers pass cyclists wearing helmets 20cm (8 inches) closer and accidents occur more often—yes, such statistics exist.

What actually happens in an emergency is another matter altogether—friends’ eleven-year-old daughter once panicked and was unable to unlock their locked front door from the inside, despite having the key within easy reach.