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9.33.6.4.(8) | Application | Intent |
| OH1 | OS1 | OP1 | OS2 |
| Objective | OS2 Structural Safety |
| Attribution | |
| Application | Application 1: Installation of linings of ducts near volume
or balancing dampers, in air duct distribution systems serving heating
systems in which the rated heat input does not exceed 120 kW and serving only one dwelling unit, in buildings to which Part 9 applies
[see Sentence 1.3.3.3.(1) of Division A for application of Part
9]. Application 2: This also applies to ventilation ducts and
their fittings, as stated in Sentence 9.32.3.11.(1).
|
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| Intent | Intent 1: To limit the probability that duct lining will interfere
with the opening or closing of dampers, which could lead to an inability
to balance the flow of intake and exhaust air, which could lead to
an inability to maintain adequate indoor air temperatures, which could
lead to condensation, which could lead to deterioration, which could
lead to compromised structural integrity, which could lead to harm
to persons. |
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