The performance level is determined by a number of factors. If the performance level is reduced then compensating construction is required. The performance level after construction cannot be less than the performance level prior to construction. There are a number of criteria to maintain the performance level of the building. Meaning your old nob and tube wiring cannot be extended into your addition, nor can your lead pipes be used for your bathroom renovation. the sprinklers, electricity, and plumbing are still required to be designed to the current code. Otherwise you may want to consult a professional. This gets especially difficult when considering multiple and prohibited combinations of occupancies of the same building. As long as you aren’t changing how you are using the space then it’s okay to assume you can use Part 11.
ONTARIO BUILDING CODE FACED INSULATION CODE
you build an addition) the extension may be governed by all other parts of the building code and the existing building may be governed under Part 11.Ī kitchen renovation under Part 11 of the OBC Major OccupancyĬhanging the major occupancy of a building has it’s own chapter in the OBC (Part 10) and can be difficult to interpret. Also of note, if a building is extended (i.e. If you answered yes to all of these then you are eligible to use Part 11 of the OBC. Are you maintaining the current performance level of the building? (See Below).Are you maintaining firefighter access?.Are you keeping the current major occupancy of the building? IE not changing your house to retail space.Is the existing structure at least 5 years old?.If you are doing renovations to any building there are a few things you have to check before you can use the renovation clauses in the Ontario Building Code:
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We can provide design, engineering and drafting for your renovation project. However, depending on your local municipality a building permit may be required.
ONTARIO BUILDING CODE FACED INSULATION PROFESSIONAL
You, or your contractor, may not even need a construction professional to sign off on the design. The great thing about OBC Part 11 is that, if your building or renovation qualifies, you can build under less stringent requirements than if you were doing new construction.
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The current revision of the OBC is 2012, and the code this article is based off of. There is no Part 11 for renovations in the NBC and it is unique to Ontario. It is based off of the National Building Code of Canada 2010 (NBC), the current latest revision of the NBC is 2015 (Ontario has not adopted it yet). The OBC is available online, it is updated about every 4 years and is the governing document for building construction in Ontario.
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These clauses are tucked way in the back of the OBC under Part 11: Renovations. If you are renovating your home or business there are some clauses in the Ontario Building Code(OBC) that you should know.