To exempt certain combustible materials from the application of Sentence 3.1.5.1.(1) if certain conditions are met, on the basis that the materials are deemed to insignificantly contribute to fire growth and spread.
To exempt wood framed partitions from the requirements of Sentence 3.1.5.13.(1) if certain conditions are met, on the basis that the partitions are deemed to insignificantly contribute to fire growth and spread.