Construction codes of Ontario

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Concrete Mixes

Concrete Mixes (1) For pre-mixed concrete and for the site-batched concrete mixes described in Table 9.3.1.7., the maximum ratio of water to cementing materials measured by weight shall not exceed, (a) 0.45 for garage floors, carport floors and all exterior flatwork, (b) 0.65 for interior floors other than those for garages and carports, and […]

Concrete Mixes Table

Concrete Mixes Table Table 9.3.1.7.Site-Batched Concrete Mixes Forming Part of Sentence 9.3.1.7.(1) Notes to Table 9.3.1.7.: (1) A 40 kg bag of cement contains 28 L. Table 9.3.1.7 Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only.

Concrete Slabs Over Cold Storage Room in Basements Application

Concrete Slabs Over Cold Storage Room in Basements Application (1) This Section applies to, (a) reinforced concrete slabs that are suspended over cold rooms in basements, and are supported by foundation walls along the perimeter of the slab with no additional interior supports, and (b) slabs in which the clear span between supporting walls […]

Continuity of Handrails

Continuity of Handrails (1) Except for stairs or ramps serving a house or an individual dwelling unit, at least one required handrail shall be continuous throughout the length of the stair or ramp, including at the landings, except where interrupted by doorways. (2) For stairs or ramps serving a house or an individual dwelling unit, at […]

Continuity of the Air Barrier System

Continuity of the Air Barrier System (1) Where the air barrier system consists of an air-impermeable panel-type material, all joints shall be sealed to minimize air leakage. (2) Where the air barrier system consists of flexible sheet material, all joints shall be, (a) sealed with compatible material such as tape or flexible sealant, or […]

Corrosion protection for materials used in wiring

Corrosion protection for materials used in wiring 1) Metals used in wiring, such as raceways, cable sheaths and armour, boxes, and fittings, shall be suitably protected against corrosion for the environment in which they are to be used or shall be made of suitable corrosion-resistant material. 2) Where practicable, dissimilar metals shall not be used […]

CSA configurations for non-locking receptacles Diagram 1

CSA configurations for non-locking receptacles Diagram 1 (See Rules 26-700, 26-720, 26-744, 38-023, 58-400, 78-050, and 86-306,Diagram 2, and Appendix B.) For configurations 6-15R, 6-20R, 6-20RA, 6-30R, and 6-50R, Y denotes the identified terminal when used on circuits derived from three-phase, 4-wire 416 V circuits. Note: Except as noted above, in Diagrams 1 and 2,a) […]