Staircase Pressurisation – Issues to Consider

Staircase pressurisation is a fire management measure that is commonly taken in high rise and other types of building. Its purpose is to help manage the impact of a fire on a building and also provide a smoke-free area that occupants of the building can use as a means of escape.

Depending on the size and design of a building, all staircases leading to the ground floor might well be designated escape routes; this means that they will all undergo staircase pressurisation to make them safe in the event of a fire.

There are a couple of things that are taken into account in staircase pressurisation. As you might expect, one of these is air pressure, as a change in pressurisation can act as a barrier that effectively controls the progression of smoke. Something else that is taken into account is air flow: when strong enough, this can also impact on the direction smoke is travelling and is often used in conjunction with air pressurisation techniques.

As escape routes from buildings are essential in the event of a fire, staircase pressurisation is something that must always be taken seriously when developing smoke management systems.

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