1|Page
BC OWNER BUILDER EXAM QUESTIONS WITH
CORRECT ACTUAL QUESTIONS AND CORRECTLY
WELL DEFINED ANSWERS LATEST 2024 – 2025
ALREADY GRADED A+
Order of inspections - (answers)1: forms, basement and crawlspace
2: Plumbing, dampproofing, foundation drainage , sanitary sewer, storm sewer,
sump, water service
3: plumbing, electrical, mechanical, gas
4: framing inspection
5: insulation and vapour barrier
6: rainscreen/exterior finishs, drywall
7: building envelop inspection
8: final inspection
Which is not an acceptable method for determining the correct grading for a
trench? - (answers)An experienced excavator says it's ok
At what depth is shoring required? - (answers)1.2m/4ft
Which best describes the principle of rain waterterm-0 deflection? -
(answers)Design and construction that prevents water from ever entering
What lighting safety certifications are required in Canada? - (answers)CSA safety
certification
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What grit of sandpaper would get the smoothest result? - (answers)Higher grit
with get a smoother finish
What is the maximum rise in a flight of stairs? - (answers)The vertical height of
any flight of stairs should not exceed 3.7m
What is the minimum distance that a ladder must extend above a parapet wall or
landing? - (answers)3ft
What heights are end dams to be on windows and door flashings? -
(answers)25mm/1 inch
End dam use - (answers)Stop water from coming in
When should you call for inspectors to make them efficient as possible? -
(answers)Group inspectors together when possible and call when work is
complete
When is an HRV required? - (answers)Almost always
What can you build under the owner-builder HPO process? - (answers)Single
detached home under a single title. Single dwelling attached to pre-existing
building older than 10 years. Single dwelling attached to a new non-residential
building.
, 3|Page
Who issues permits for a gas fireplace? - (answers)Safety Authority (call Technical
Safe BC)
Can an owner builder take out their own electrical permit? - (answers)Yes, up to
200A
What is the best way to apply asphalt waterproofing on a foundation? -
(answers)Spray-on or roll on dry foundation with 2in. below grade
When is the appropriate time to backfill a foundation? - (answers)After damp-
proofing
What do you need to do when applying a peel and stick waterproof membrane
foundation? - (answers)Use an approved primer before installing
What are gas meter installation requirements? - (answers)The distance from the
gas vent to the roof must be greater than the overhang of the roof, nothing can
be with in 1m either side or 4.5m above a gas meter
When do you need to install a handrail or have fall protection? - (answers)10ft,
4ft if no fall protection
How high does a construction fence around a site need to be? - (answers)6ft
BC OWNER BUILDER EXAM QUESTIONS WITH
CORRECT ACTUAL QUESTIONS AND CORRECTLY
WELL DEFINED ANSWERS LATEST 2024 – 2025
ALREADY GRADED A+
Order of inspections - (answers)1: forms, basement and crawlspace
2: Plumbing, dampproofing, foundation drainage , sanitary sewer, storm sewer,
sump, water service
3: plumbing, electrical, mechanical, gas
4: framing inspection
5: insulation and vapour barrier
6: rainscreen/exterior finishs, drywall
7: building envelop inspection
8: final inspection
Which is not an acceptable method for determining the correct grading for a
trench? - (answers)An experienced excavator says it's ok
At what depth is shoring required? - (answers)1.2m/4ft
Which best describes the principle of rain waterterm-0 deflection? -
(answers)Design and construction that prevents water from ever entering
What lighting safety certifications are required in Canada? - (answers)CSA safety
certification
,2|Page
What grit of sandpaper would get the smoothest result? - (answers)Higher grit
with get a smoother finish
What is the maximum rise in a flight of stairs? - (answers)The vertical height of
any flight of stairs should not exceed 3.7m
What is the minimum distance that a ladder must extend above a parapet wall or
landing? - (answers)3ft
What heights are end dams to be on windows and door flashings? -
(answers)25mm/1 inch
End dam use - (answers)Stop water from coming in
When should you call for inspectors to make them efficient as possible? -
(answers)Group inspectors together when possible and call when work is
complete
When is an HRV required? - (answers)Almost always
What can you build under the owner-builder HPO process? - (answers)Single
detached home under a single title. Single dwelling attached to pre-existing
building older than 10 years. Single dwelling attached to a new non-residential
building.
, 3|Page
Who issues permits for a gas fireplace? - (answers)Safety Authority (call Technical
Safe BC)
Can an owner builder take out their own electrical permit? - (answers)Yes, up to
200A
What is the best way to apply asphalt waterproofing on a foundation? -
(answers)Spray-on or roll on dry foundation with 2in. below grade
When is the appropriate time to backfill a foundation? - (answers)After damp-
proofing
What do you need to do when applying a peel and stick waterproof membrane
foundation? - (answers)Use an approved primer before installing
What are gas meter installation requirements? - (answers)The distance from the
gas vent to the roof must be greater than the overhang of the roof, nothing can
be with in 1m either side or 4.5m above a gas meter
When do you need to install a handrail or have fall protection? - (answers)10ft,
4ft if no fall protection
How high does a construction fence around a site need to be? - (answers)6ft
