Roof surfaces can become slippery and icy, especially in periods of inclement weather.Ī guardrail is an important safety measure, especially when accessing a rooftop during inclement conditions. Heritage buildings may require the use of copper to maintain the appropriate aesthetic.Īll roof access hatches must have a guardrail. In a highly corrosive environment such as a chemical plant, a hatch must be made of stainless steel or copper. Additionally, some situations require the hatch to be made of specific materials. They must be resistant to fire and be able to sustain explosions. It’s important that the hatches are relatively lightweight and easy to handle. Most roof access hatches are made of galvanized steel or aluminum. The hatches should also be insulated well to prevent frost and condensation accumulation. Roof access hatches can be installed on flat roof surfaces, the maximum incline being 30 degrees. Let’s take a look at some of the basic requirements.
#Ontario building code stairs 2018 code
Hatches must meet the standards required by the National Building Code (Canada) and the Occupational Health and Safety Administration (OSHA) in the United States. There are a number of safety regulations and building code requirements in Ontario relating to the use of roof access hatches. Depending on the task required, a hatch may have either one smaller cover or door, or two in the case of large industrial facilities where equipment is being loaded in and out. Roof hatches can also be used when installing or removing larger pieces of equipment from a building. Industrial buildings with very high ceilings may be more likely to have ladder access, whereas other buildings like schools or offices would be more likely to have a set of stairs. The hatches provide access to roofs via interior ladders or stairs.
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Costly repairs or removal of construction that is not in compliance with the Ontario Building Code, Zoning By-law and Grading and Drainage Clearance Certificate By-law.Possible fines and legal action against all parties involved.If you are unsure if you require a building permit for your project, please contact a permit technologist at the Planning and Building Department, Building Division at 90.Ĭonsequences of Not Obtaining a Building Permit All grading and drainage associated with buildings and structures on low density residential lands must comply with the city's Grading and Drainage Clearance Certificate By-law. The Building Code Act allows municipalities to ensure such things as structural and fire safety and energy conservation are maintained at a level equal to what is required in the OBC.Ī building is defined as a structure occupying an area greater than 10 square metres (107 square feet) and consists of a wall, roof, floor or structural system including all plumbing, works, fixtures and service systems.Īll buildings and structures located on a property must comply with the city's Zoning By-law. The OBC is a provincial regulation created and administered by the Ministry of Municipal Affairs and Housing, which also includes the Building Code Act.
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A building permit is required to ensure your project is built to the minimum standards set out in the Ontario Building Code (OBC).