Commercial

Commercial Tenant Improvement Inspections in BC

Opening a commercial space in British Columbia requires passing municipal building, fire, health, and accessibility inspections. Whether you are fitting out a retail shop, medical clinic, restaurant, salon, or corporate office, here is the complete chronological inspection checklist to secure your Commercial Occupancy Permit without lease delays.

Commercial TI Inspection Schedule

Chronological commercial inspection milestones required across BC municipalities before opening a commercial business to the public.

Stage & Trade	When to Call	What Is Checked
1. Plumbing Rough-In Plumbing Inspector	Supply, drain, and grease trap lines installed under pressure.	Hydrostatic head pressure test, backflow preventers, trap primers, and commercial grease interceptor sizing.
2. Electrical Rough-In Technical Safety BC / City	Conduits, wiring, and panel rough-ins installed.	Panel breaker sizing, emergency exit sign feeds, emergency battery-pack floodlight wiring, and grounding.
3. Mechanical & Hoods Mechanical / Fire Dept	Commercial kitchen exhaust hoods and grease ducts installed.	NFPA 96 grease duct weld inspections, fresh air makeup balance, and fire suppression nozzles.
4. Framing & Fire Separations Building Inspector	Steel stud framing complete and fire drywall hung before taping.	1-hour / 2-hour ULC demising wall drywall thickness, screw spacing (8″ o.c.), fire dampers, and acoustic batts.
5. Sprinkler & Fire Alarm Fire Dept & Engineer	Fire alarm devices and sprinkler heads positioned below ceiling grid.	Sprinkler hydro test, head clearances, pull stations, strobe audibility, and fire alarm monitoring connection.
6. Health Authority Inspection Fraser Health / VCH	Sinks, dishwashers, counters, and food prep areas operational.	Dedicated handwash sinks, 3-compartment dishwashing sinks, hot water temperatures (45°C–60°C), and surfaces.
7. Accessibility Verification Building Inspector	Washrooms, doors, and counter casework fully installed.	Wheelchair turning radiuses, grab bar placement, sink knee clearances, lever door handles, and tactile braille signs.
8. Final Commercial Sign-Off Building & Fire Dept	All trade finals passed and fire safety plan approved.	Panic hardware on egress doors, illuminated EXIT signs, fire extinguishers, and issuance of Occupancy Permit.

Project Roadmap & Scope of Work

Select a phase below to jump to the details

1
Plumbing Rough-Ins, Grease Traps & Backflow Tests
2
Electrical, Emergency Lighting & Fire Alarm Circuits
3
Framing & Fire-Rated Demising Wall Drywall
4
Health Authority Sanitation & Kitchen Inspections
5
Barrier-Free Accessibility, Life Safety & Final Occupancy

Commercial Tenant Improvements (TIs) in British Columbia operate under distinct regulatory standards compared to residential projects. Commercial build-outs involve public safety, fire protection, occupant load egress, and public health authorities.

Before opening your doors to staff and customers, your leasehold space must undergo multi-agency inspections. Here is how to prepare for and pass each commercial inspection stage.

1. Plumbing, Grease Interceptors & Backflow Prevention

Commercial plumbing systems handle higher capacities and specialized waste streams:

DWV Pressure Testing: Drain, waste, and vent piping must hold a 10-foot water column test without leaking.
Commercial Grease Traps (Interceptors): Restaurants, cafes, bakeries, and food prep spaces must install an approved grease interceptor sized to municipal plumbing bylaws.
Cross-Connection & Backflow Control: Certified backflow preventers are required on incoming water lines to protect the city water supply from commercial contamination.

2. Steel Stud Framing & Fire-Rated Demising Walls

Commercial fire separations protect adjacent businesses and building corridors:

When to Call: Drywall must be fastened to demising walls separating your unit from adjoining tenant spaces, but must NOT be taped or mudded.
What the Inspector Checks:
1. Drywall thickness specified on the approved architectural plans (typically 5/8″ Type X for 1-hour or multi-layer for 2-hour fire ratings).
2. Screw spacing strictly following ULC design listings (typically 8″ on center along steel studs).
3. Fire stopping sealant around all pipe, duct, and electrical penetrations through the wall assembly.

3. Commercial Kitchen Mechanical & Fire Suppression (NFPA 96)

For restaurants, cafes, and commercial kitchens:

Grease Duct Weld Inspection: Inspectors examine continuous external welds on heavy-gauge steel grease exhaust ducts before insulation wrap is applied.
Make-Up Air Systems: Verifying that fresh make-up air volume matches commercial hood exhaust exhaust rates to prevent dangerous negative air pressure.
Kitchen Fire Suppression (Ansul Systems): Stamped engineering sign-off verifying automatic chemical suppression nozzles and gas shut-off valves over cooking equipment.

4. Health Authority On-Site Inspection (Fraser Health / VCH)

If your commercial business involves food preparation, personal care (hair, nails, esthetics), or childcare:

Dedicated Handwashing Sinks: Must have hot/cold water, liquid soap, and paper towel dispensers within direct sight of workstations.
Dishwashing & Sanitation: 3-compartment sink or commercial sanitizing dishwasher meeting minimum water temperature thresholds.
Impervious Surfaces: Smooth, washable wall finishes (such as FRP panels) behind cooking and wash areas.

5. Barrier-Free Accessibility & Final Commercial Occupancy

The final inspection verifies that the public can safely access and exit your business:

Universal Accessible Washrooms: Checking minimum turning radiuses (1500mm), grab bar heights, emergency pull cords (where required), and clear knee space under sinks.
Life Safety & Egress: Confirming panic hardware on exit doors, illuminated EXIT signs, and approved occupant load signage posted near the front entrance.
Commercial Occupancy Permit: Once all inspectors sign off, the municipality issues your Certificate of Occupancy, allowing you to open for business legally.