Can I provide a step to an alternative escape window if the installed window has a cill height more than 1100mm above the finished floor level?

National House Building Council, Can I provide a step to an alternative escape window if the installed window has a cill height more than 1100mm above the finished floor level? In: Frequently asked questions on Building Regulations Part B: Fire Safety. TBA ed. Frequently asked questions on Building Regulations . National House Building Council, p. 1.

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Abstract

A step proposed as a remedial solution should only be considered if it can be reasonably considered to be part of the permanent structure of the floor. This would be a matter of judgement in each case but an isolated step on a plain wall adjacent a window is unlikely to be acceptable.

Where escape windows are installed with the bottom of the opening greater than 1100mm above floor level, the provision of a protected escape route would be acceptable.

Item Type: Book Section
Additional Information: mml-maui-text-analytics-keywords
Uncontrolled Keywords: window, display window, escape route, step-free, escape lighting, external wall, principal works, basement storey, air permeability, principal storey
Subjects: T Technology > TH Building construction > Building standards
Depositing User: admin
Date Deposited: 06 Feb 2021 16:23
Last Modified: 13 Oct 2021 19:43
URI: https://buildvoc.co.uk/id/eprint/993

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