BCAB #1073 - Fire Resistance of Roof Supports, Sentences 18.104.22.168.(1) and 22.214.171.124.(1)
June 27, 1989
Re: Fire Resistance of Roof Supports, Sentences 126.96.36.199.(1) and 188.8.131.52.(1)
With reference to your letter of May 8, 1989 regarding the fire rating of supports for an unrated roof assembly.
It is stated that the building in question falls under the provisions of Article 184.108.40.206., and is fully sprinklered. Clause 220.127.116.11.(2)(c) requires that the roof have a 1 hour fire-resistance rating, and (d) that supports be equally rated. However, if the sprinkler system complies fully with Sentence 18.104.22.168.(1), then the requirement for a fire-rated roof is waived. Taking into account Sentence 22.214.171.124.(1) and Clause 126.96.36.199.(2)(c) we consider that the waiver must also apply to the supports for the roof.
J.C. Currie, Chair