Canada · Occupant load

What are the building code requirements for healthcare and clinic occupancies in Canada?

Healthcare occupancies in Canada are classified based on the level of care provided and whether patients are ambulatory or require assistance to evacuate. Classification determines fire protection, egress, sprinkler, and construction type requirements. Medical offices and clinics may classify differently from hospitals and care facilities.

Healthcare facility classification under the NBC is nuanced because the occupancy classification depends on the care level and patient mobility, not just the function label. A medical office where patients walk in and out classifies differently from a surgical centre where patients may be sedated. Getting the classification wrong cascades into incorrect fire protection, egress, and construction type requirements.

What to check first

  • Classification depends on whether patients are ambulatory, require assistance, or are incapable of self-evacuation.
  • Group B occupancy (care or detention) triggers the strictest requirements — ambulatory clinics may classify as Group D (business).
  • Fire compartmentation, supervised evacuation plans, and sprinkler requirements increase with the level of care provided.

Jurisdiction notes

National baseline

Start with the NBC occupancy classification definitions to determine whether the facility is Group B (institutional) or Group D (business).

Province and edition check

Provincial health facility design guidelines may add requirements beyond the building code for specific facility types.

Authority having jurisdiction

The AHJ determines the final occupancy classification. Consult early in design to confirm the classification before locking the fire protection and egress strategy.

Not professional advice

CodeCan reports what the published building code says. It is not legal, engineering, or architectural advice, and it does not certify compliance. Building codes are adopted and amended provincially and enforced locally — always verify with your authority having jurisdiction (AHJ) before you build.

Work through it in this order

  1. Determine the level of care and patient mobility for the facility to classify the occupancy.
  2. Identify fire protection, sprinkler, and construction type requirements based on the occupancy classification.
  3. Verify egress provisions including horizontal exits, fire compartments, and defended-in-place strategies if applicable.
  4. Check provincial health facility guidelines for requirements beyond the building code.

Common questions

Is a walk-in medical clinic a Group B occupancy?

Not necessarily. If patients are ambulatory and do not require assistance to evacuate, a walk-in clinic may classify as Group D (business). The classification depends on the care level and patient condition.

When does a healthcare facility require fire compartmentation?

Group B occupancies with patients who cannot self-evacuate typically require fire compartments for horizontal evacuation (defend-in-place). The specific provisions depend on the code edition and facility type.

Are all healthcare facilities required to be sprinklered?

Sprinkler requirements depend on the occupancy classification, building size, and construction type. Group B occupancies generally require sprinklers regardless of building size.