3.1.6.13. Combustible Stairs

(1)

Wood stairs and landings conforming to the requirements for floor assemblies in Article 3.1.6.3. and Sentences 3.1.6.4.(1) and (2) are permitted in an exit stairwell in a building or part of a building permitted to be of encapsulated mass timber construction.

(2)

Wood stairs in a suite in a building or part of a building permitted to be of encapsulated mass timber construction need not conform to Articles 3.1.6.3. and 3.1.6.4.