Construction codes of Ontario

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Windows and doors Light, View and Ventilation

Windows and doors Light, View and Ventilation Windows and doors with glazing provide light, view and ventilation. Except for bedrooms, which require windows as a means of egress from fire, the NBC does not require other rooms to have windows. However, it is recommended that certain rooms have windows large enough to admit daylight because […]

Windows types

Windows types Many types of windows have different characteristics (Figure 128) along with their own advantages and disadvantages. Common window terms are shown in Figure 129. Fixed windows cannot be opened and are generally the least expensive. Though they usually offer the best level of energy efficiency and resistance to forced entry, fixed windows do […]

Wires and Cables

(1) Except as permitted by Sentences (2) and (3), optical fibre cables and electrical wires and cables with combustible insulation, jackets or sheathes installed in a building permitted to be of combustible construction shall, (a) not convey flame or continue to burn for more than 1 min when tested in conformance with the Vertical Flame […]

Wiring in ducts and plenum chambers

Wiring in ducts and plenum chambers 1) No electrical equipment of any type, unless marked for the purpose, shall be installed in ducts used to transport dust, loose stock, or flammable vapours. 2) No electrical equipment, unless marked for the purpose, shall be installed a) in any duct used for vapour removal or for ventilation […]

Wiring of recessed luminaires

Wiring of recessed luminaires (see Appendix B) 1) The temperature rating of insulation of conductors other than branch circuit conductors used to connect recessed luminaires shall comply with the conductor temperature rating marked on the luminaire. 2) The temperature rating of insulation of the branch circuit conductors run directly to the luminaire shall be in […]

Withstanding Pressure Plumbing Discharge

Withstanding Pressure Plumbing Discharge (1) Piping, fittings and joints used in pressure sewer, forcemain or sump pump discharge applications shall be capable of withstanding at least one and one-half times the maximum potential pressure. Article 7.2.1.5 Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only.

Wood Column Materials

Wood Column Materials (1) Wood columns shall be either solid, glue-laminated or built-up. (2) Built-up columns shall consist of not less than 38 mm thick full-length members, (a) bolted together with not less than 9.52 mm diam bolts spaced not more than 450 mm o.c., or (b) nailed together with not less than 76 […]