Last edited 15 Aug 2015

Atrium definition

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Approved document B, Fire Safety, Volume 2, Buildings other than dwellinghouses, defines an atrium as:

A space within a building, not necessarily vertically aligned, passing through one or more structural floors.

Note: Enclosed lift wells, enclosed escalator wells, building servicesducts and stairways are not classified as atria.

The plural of atrium is ‘atria’.

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