ARCHIVED - 9.10.9.6.(2)

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9.10.9.6.(2)


Objective	OP1 Fire Protection of the Building
Attribution	[F03-OP1.2] [F04-OP1.3] Applies to portion of Code text: “Except as provided in Sentences (3) to (9) and Article 9.10.9.7., pipes, ducts, electrical boxes, totally enclosed raceways or other similar service equipment that partly or wholly penetrate an assembly required to have a fire-resistance rating shall be noncombustible...”
Application	Application 1: Combustibility of pipes, ducts, electrical outlet boxes, totally enclosed raceways and other similar service equipment that partly or wholly penetrate an assembly required to have a fire-resistance rating, in buildings to which Part 9 applies [see Sentence 1.3.3.3.(1) of Division A for application of Part 9]. Exceptions: except: where the assembly has been tested incorporating such equipment, as stated in Sentence 9.10.9.1.(1), which applies to fire separations between rooms and spaces within dwelling units, as stated in Sentence 9.10.9.6.(3), which applies to electrical wires or similar wiring enclosed in noncombustible totally enclosed raceways, as stated in Sentence 9.10.9.6.(4), which applies to electrical wires or cables that have an overall diameter of not more than 25 mm, as stated in Sentence 9.10.9.6.(5), which applies to combustible totally enclosed raceways that are embedded in concrete floor slabs, as stated in Sentence 9.10.9.6.(6), which applies to combustible outlet boxes, as stated in Sentence 9.10.9.6.(7), which applies to combustible water distribution piping that has an outside diameter not more than 30 mm, as stated in Sentence 9.10.9.6.(8), which applies to combustible sprinkler piping, where the fire compartments on each side of the fire separation are sprinklered, as stated in Sentence 9.10.9.6.(9), which applies to combustible piping for central vacuum systems, and as stated in Article 9.10.9.7., which applies to combustible drain, waste and vent piping.
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Intent	Intent 1: To limit the probability that certain service equipment that penetrates fire-rated assemblies will contribute to the growth and spread of fire within the assemblies, which could lead to the structural failure and collapse of the assemblies, which could lead to damage to the building. Intent 2: To limit the probability that certain service equipment that penetrates fire-rated assemblies that also form a fire separation will contribute to the growth and spread of fire within the assemblies, which could lead to a loss of integrity of the assemblies, which could lead to the spread of fire and smoke from one fire compartment to another, which could lead to damage to the building in the other compartment.
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