Sentence 3.1.5.19.(3)

Intent 1:

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.

Intent 2:

To exempt polypropylene pipes and fittings from the application of Sentence 3.1.5.19.(1) if certain conditions are met, on the basis that these materials are deemed to insignificantly contribute to fire growth and spread.