BC Owner Builder Exam (Latest
2026/2027 Update) Complete
Questions and Guide Answers,
100% Verified Graded A+
Order of inspections - ANSWER-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? - ANSWER-An experienced excavator says it's ok
At what depth is shoring required? - ANSWER-1.2m/4ft
,Which best describes the principle of rain waterterm-0 deflection? - ANSWER-
Design and construction that prevents water from ever entering
What lighting safety certifications are required in Canada? - ANSWER-CSA safety
certification
What grit of sandpaper would get the smoothest result? - ANSWER-Higher grit
with get a smoother finish
What is the maximum rise in a flight of stairs? - ANSWER-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? - ANSWER-3ft
What heights are end dams to be on windows and door flashings? - ANSWER-
25mm/1 inch
End dam use - ANSWER-Stop water from coming in
When should you call for inspectors to make them efficient as possible? -
ANSWER-Group inspectors together when possible and call when work is
complete
When is an HRV required? - ANSWER-Almost always
, What can you build under the owner-builder HPO process? - ANSWER-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.
Who issues permits for a gas fireplace? - ANSWER-Safety Authority (call Technical
Safe BC)
Can an owner builder take out their own electrical permit? - ANSWER-Yes, up to
200A
What is the best way to apply asphalt waterproofing on a foundation? - ANSWER-
Spray-on or roll on dry foundation with 2in. below grade
When is the appropriate time to backfill a foundation? - ANSWER-After damp-
proofing
What do you need to do when applying a peel and stick waterproof membrane
foundation? - ANSWER-Use an approved primer before installing
What are gas meter installation requirements? - ANSWER-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? - ANSWER-10ft, 4ft
if no fall protection
2026/2027 Update) Complete
Questions and Guide Answers,
100% Verified Graded A+
Order of inspections - ANSWER-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? - ANSWER-An experienced excavator says it's ok
At what depth is shoring required? - ANSWER-1.2m/4ft
,Which best describes the principle of rain waterterm-0 deflection? - ANSWER-
Design and construction that prevents water from ever entering
What lighting safety certifications are required in Canada? - ANSWER-CSA safety
certification
What grit of sandpaper would get the smoothest result? - ANSWER-Higher grit
with get a smoother finish
What is the maximum rise in a flight of stairs? - ANSWER-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? - ANSWER-3ft
What heights are end dams to be on windows and door flashings? - ANSWER-
25mm/1 inch
End dam use - ANSWER-Stop water from coming in
When should you call for inspectors to make them efficient as possible? -
ANSWER-Group inspectors together when possible and call when work is
complete
When is an HRV required? - ANSWER-Almost always
, What can you build under the owner-builder HPO process? - ANSWER-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.
Who issues permits for a gas fireplace? - ANSWER-Safety Authority (call Technical
Safe BC)
Can an owner builder take out their own electrical permit? - ANSWER-Yes, up to
200A
What is the best way to apply asphalt waterproofing on a foundation? - ANSWER-
Spray-on or roll on dry foundation with 2in. below grade
When is the appropriate time to backfill a foundation? - ANSWER-After damp-
proofing
What do you need to do when applying a peel and stick waterproof membrane
foundation? - ANSWER-Use an approved primer before installing
What are gas meter installation requirements? - ANSWER-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? - ANSWER-10ft, 4ft
if no fall protection
