Direct distance
The shortest distance from any point within the floor area to the nearest storey exit, measured within the external enclosures of the building, and ignoring walls, partitions and fittings other than the enclosing walls and partitions to protected stairways.
Approved Document B Volumes 1 and 2, Appendix A (page 134, page 145)
Related terms
Definitions are taken from Approved Document B (fire safety). Contains public sector information licensed under the Open Government Licence v3.0.
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