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6.2.1.1.(1)
OP1OH1OH1OS3OS1
ObjectiveOP1 Fire Protection of the Building
Attribution
(a) to (e) [F31,F51-OP1.1]
Application
Application 1: 
Design, construction and installation of heating systems, including mechanical refrigeration equipment, in buildings described in Sentence 1.3.3.2.(1) of Division A.
Application 2: 
This also applies to buildings to which Part 9 applies [see Sentence 1.3.3.3.(1) of Division A for application of Part 9], with respect to:
  • heating systems, including requirements for combustion air, and air-conditioning systems other than those serving individual dwelling units, as stated in Sentence 9.33.1.1.(2), and
  • air duct distribution systems serving heating systems in which the rated heat input exceeds 120 kW, as stated in Sentence 9.33.6.1.(2).
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Intent
Intent 1: 
To limit the probability that the inadequate design, construction or operation of heating systems will lead to performance that is significantly below expectations, which could lead to fire, which could lead to damage to the building.
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