Technical Booklet R Access to and Use of Buildings·Page 71·8.4
Stairs for changes of level in circulation routes
A stair may be provided where the circulation route within the entrance storey or access to the circulation route within the principal storey contains a change of level.
Where the circulation route within the entrance storey or the access to the circulation route within the principal storey contains a change of level, a stair may be provided.
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