Construction codes of Ontario

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Dampproofing of Floors-on-Ground

Dampproofing of Floors-on-Ground (1) Where dampproofing is installed below the floor, it shall consist of, (a) polyethylene not less than 0.15 mm thick with joints lapped not less than 100 mm, (b) Type S roll roofing with joints lapped not less than 100 mm, or (c) rigid extruded/expanded polystyrene with sealed or ship-lapped […]

Dampproofing of Preserved Wood Foundation Walls

Dampproofing of Preserved Wood Foundation Walls (1) Preserved wood foundation walls shall be dampproofed as described in CSA S406, “Permanent Wood Foundations for Housing and Small Buildings”. Article 9.13.2.7. Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only.

Deleterious Debris and Boulders

Deleterious Debris and Boulders (1) Backfill within 600 mm of the foundation shall be free of deleterious debris and boulders larger than 250 mm diam. (2) Except as permitted in Sentence (3), backfill shall not contain pyritic material or material that is susceptible to ice lensing in concentrations that will damage the building to a degree that […]

Design Cantilevered Precast Concrete Steps

Design Cantilevered Precast Concrete Steps (1) Exterior concrete steps and their anchorage system that are cantilevered from a foundation wall shall be designed and installed to support the loads to which they may be subjected. Article 9.8.10.1 Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only.

Drainage away from Wells or Leaching Beds

Drainage away from Wells or Leaching Beds (1) Surface drainage shall be directed away from the location of a water supply well or leaching bed. Article 9.14.6.2. Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only. Leaching field : Septic drain fields, also called leach fields or leach drains, are subsurface wastewater disposal facilities used to […]

Drainage Tile and Pipe Installation

Drainage Tile and Pipe Installation (1) Drain tile or pipe shall be laid on undisturbed or well-compacted soil so that the top of the tile or pipe is below the bottom of the floor slab or the ground cover of the crawl space. (2) Drain tile or pipe with butt joints shall be laid with 6 […]

Drainage Tile and Pipe Material Standards

Drainage Tile and Pipe Material Standards (1) Drain tile and drain pipe for foundation drainage shall conform to, (a) ASTM C4, “Clay Drain Tile and Perforated Clay Drain Tile”, (b) ASTM C412M, “Concrete Drain Tile (Metric)”, (c) ASTM C444M, “Perforated Concrete Pipe (Metric)”, (d) ASTM C700, “Vitrified Clay Pipe, Extra Strength, Standard […]