Standards · Practical applications · Design principles · When Does Part 9 End and Part 4 Begin in the NBCC?

Let’s talk about something that trips up even seasoned engineers from time to time: figuring out exactly where National Building Code of Canada (NBCC) Part 9, “Housing and Small Buildings,” hands off the baton to Part 4, “Structural Design.” Get this wrong, and you could be heading for a world of compliance headaches, or worse, an under-designed structure. Get it right, and you’re setting your project up for success from day one.

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Practical applications · When Part 9 Leans on Part 4 – A Guide for Complex Small Buildings

You’ve got a project that, at first glance, looks like a straightforward Part 9 building – a “house or small building” as the NBCC puts it. But then you start digging into the details, the architect throws in a few “features,” or the site conditions are less than ideal, and suddenly you’re wondering if those prescriptive Part 9 solutions are going to cut it.

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