What are the Ontario Building Code requirements for site cleanliness during construction?

The Ontario Building Code sets out how buildings are designed and built — it is not a cleaning checklist, so be cautious of anyone who tells you a particular level of cleanliness is a code requirement. That said, keeping a site clean during construction and doing a thorough clean at the end both matter, for safety and for getting the house ready to live in.

Site Cleanliness, Safety and the Final Inspection

If your project has a building permit, the inspections focus on the construction work itself. Ask your contractor or the City what the final inspection will look at and what needs to be accessible for the inspector — for example, smoke and carbon monoxide alarms, plumbing fixtures and mechanical equipment. A tidy, debris-free house makes it easier for the inspector to see the work, even though cleanliness is not what is being inspected.

During the work, keeping the site orderly is basic safety practice. Clear walkways, neatly stored materials and regular debris removal prevent trips and falls and keep exits open. Ask your contractor how often debris will be removed and where it will be kept in the meantime.

Fire safety is a real reason to keep up with cleanup. Wood offcuts, sawdust, packaging and solvent-soaked rags are combustible, and oily or solvent-soaked rags can heat up on their own if they are left bunched together. Get combustible waste out of the house regularly and store it away from the building.

Protect the HVAC system. Sealing registers and returns while dusty work is happening helps keep construction dust out of the ductwork. If the system ran during construction without protection, ask whether duct cleaning makes sense as part of the post-construction clean — dust left in the ducts can be blown back into freshly cleaned rooms every time the system runs, undoing even a thorough surface clean.

For the final clean itself, a sensible target is that all debris is removed from the house and property, floors are swept and washed, surfaces are wiped free of dust, windows are clean, plumbing fixtures are clean and working, smoke and carbon monoxide alarms are uncovered and unobstructed, and no waste piles are left outside.

Quotes for a professional post-construction clean in Ottawa can run roughly $800 to $3,000 depending on the size of the home and how much dust and debris the project left, so ask for itemized written quotes. You can browse cleaning companies through the Ottawa Construction Network directory at justynrookcontracting.com.

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Looking for experienced contractors? The Ottawa Construction Network connects homeowners with qualified professionals:

• Cleanstruction
• RenoMotion Inc.
• Ottawa Caulking
• Titley Construction
• Vanguard Environmental