Outdoor Design Temperatures (1)  The outdoor conditions to be used in designing heating, ventilating and air-conditioning systems shall be the appropriate values for the location as set out in MMAH Supplementary Standard SB-1, “Climatic and Seismic Data”, using 2.5 percent design temperature criteria. Article 9.33.3.2 Ontario Regulation 332/12 Building Code,   Information published by oncodes.ca for […]

Principal Exhaust (1)  A principal exhaust fan shall be installed and shall be rated to provide not less than the capacity given in Table 9.32.3.4.A. (2)  Except as permitted in Sentence (3), the principal exhaust fan shall be controlled by a manual switch. (3)  A principal exhaust fan required under this Article may be controlled by a dehumidistat […]

Principal Exhaust Duct Size Table 9.32.3.4.B. Forming Part of Sentences 9.32.3.4.(9) and (10) Table 9.32.3.4B Ontario Regulation 332/12 Building Code,   Information published by oncodes.ca for educational purposes only.

Principal Exhaust Fan Capacity Table 9.32.3.4.A Forming Part of Sentence 9.32.3.4.(1) Table 9.32.3.4A Ontario Regulation 332/12 Building Code,   Information published by oncodes.ca for educational purposes only.

Protection Against Depressurization (1)  When determining the need to provide protection against depressurization, consideration must be given to,     (a)   whether the presence of soil gas is deemed to be a problem, and     (b)   the presence of solid fuel-fired combustion appliances.                (2)  Where a solid fuel-fired combustion appliance is installed, the ventilation system shall include […]