Based on the “Cooper” and “Pittman v Newport” cases, this by-law has a high probability of being invalid. There is scientific evidence that tobacco smoke, breathed passively, and on an ongoing basis is a hazard, but the same cannot be said about barbeque smoke. A resident cannot cause “a nuisance or hazard”, and in the note in Section 153 “the penetration of smoke… from smoking may cause a nuisance or hazard and may interfere unreasonably with the use or enjoyment” of other residents, depending on the circumstances it occurs. Cigarette smoking is regulated generally, due to its health hazard, but the same has not occurred for barbeque smoke. And the “Cooper” decision makes it clear that there must be a real nuisance or hazard, not just a possibility of this occurring.
What are your resources, and how seriously do you want to overturn this by-law? You could take the OC to the Tribunal to get the by-law declared to be invalid. Or you can just ignore the by-law and start up your barbeque, (hopefully in such a way as to minimise any nuisance – it, using a gas version, which is fully safety compliant, and only rarely). Then let the OC try to take you to the Tribunal… That will cost you money and time, even doing it by yourself. You will be better able to do something, if you are an owner, or if you get a group together to challenge the by-law.
If the OC is potentially amenable, then perhaps you could coooperate to investigate the by-law’s validity. Perhaps propose that the OC should get a strata lawyer’s or a barrister’s opinion on its validity, and to abide by the decision, which should not be too expensive, and with the OC might fund itself?