ARCHIVED - 3.2.7.5.(9)

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3.2.7.5.(9)


Objective	OS1 Fire Safety
Attribution	[F81,F82-OS1.1] [F10-OS1.5]
Application	Application 1: Minimum wall clearances, where the quantity of dangerous goods stored in buildings exceeds the quantities shown in Table 3.2.7.1. This applies to buildings or parts of buildings used for the short- or long-term indoor storage of the following products, whether raw or waste materials, goods in process, or finished goods: Class I, II, III and IV commodities, and Group A, B and C plastics, in conformance with NFPA 13, “Installation of Sprinkler Systems,” rubber tires and combustible fibres, Level 1, 2 and 3 aerosols, as described in Subsection 3.2.5., dangerous goods, as described in Subsection 3.2.7., closed containers of distilled beverage alcohols, and dangerous goods in packages or containers stored in a single fire compartment in quantities greater than those shown in Table 3.2.7.1. Exceptions: except: where the width of storage is not more than 1.5 m, measured out from the wall, as exempted in Sentence 3.1.1.4.(1), which applies to: the storage and dispensing of Class 2.1 flammable gases at fuel dispensing stations, and facilities operated by manufacturers or distributors [handling or storing more than 1 500 kg, as stated in Appendix A] of Class 2 gases, and as exempted in Sentence 3.2.1.1.(2), which applies to high rack storage warehouses with storage heights greater than 13 m.
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Intent	Intent 1: To limit the probability that protrusions of the wall surface will damage or puncture containers of dangerous goods, which could lead to the unwanted release of products, which could lead to a fire or explosion, which could lead to harm to persons, including emergency responders. Intent 2: To limit the probability that unsafe storage conditions or leaking containers will go unnoticed, which could lead to the unwanted release of products, which could lead to a fire or explosion, which could lead to harm to persons, including emergency responders. Intent 3: To limit the probability that building occupants or emergency responders will be trapped in a dead-end aisle in a fire situation, which could lead to harm to persons, including emergency responders.
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