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9.10.9.6.(2)
ApplicationIntent
OP1OS1+
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, and that have been incorporated in the assembly at the time of testing, in buildings to which Part 9 applies [see Sentence 1.3.3.3.(1) of Division A for application of Part 9].
Exceptions: 
except as stated in:
  • Sentence 9.10.9.1.(1), which applies to fire separations between rooms and spaces within dwelling units,
  • Sentence 9.10.9.6.(3), which applies to electrical wires or similar wiring enclosed in noncombustible totally enclosed raceways,
  • Sentence 9.10.9.6.(4), which applies to electrical wires or cables that have an overall diameter of not more than 25 mm,
  • Sentence 9.10.9.6.(5), which applies to combustible totally enclosed raceways that are embedded in concrete floor slabs,
  • Sentence 9.10.9.6.(6), which applies to combustible outlet boxes,
  • Sentence 9.10.9.6.(7), which applies to combustible water distribution piping that has an outside diameter not more than 30 mm,
  • 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,
  • Sentence 9.10.9.6.(9), which applies to combustible piping for central vacuum systems, and
  • Article 9.10.9.7., which applies to combustible drain, waste and vent piping.
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Intent
Intent 1: 
To exempt service equipment from having to be noncombustible if certain testing is conducted on the assemblies with the equipment installed, on the basis that the testing demonstrates that combustible service equipment will not reduce the structural integrity of the assembly in a fire.
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