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BC Owner Builder Authorization Actual
Exam Newest 2026- 2027 /BC Owner
Builder Authorization Preparation With
300 Expert Verified Questions And
Correct Answers With Rationales|
Already Graded A+ Brand New!!!
Order of inspections ----Solution----
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?
----Solution----An experienced excavator says it's ok
At what depth is shoring required? ----Solution----1.2m/4ft
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Which best describes the principle of rain waterterm-0 deflection?
----Solution----Design and construction that prevents water from ever
entering
What lighting safety certifications are required in Canada?
----Solution----CSA safety certification
What grit of sandpaper would get the smoothest result?
----Solution----Higher grit with get a smoother finish
What is the maximum rise in a flight of stairs?
----Solution----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?
----Solution----3ft
What heights are end dams to be on windows and door flashings?
----Solution----25mm/1 inch
End dam use
----Solution----Stop water from coming in
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When should you call for inspectors to make them efficient as possible?
----Solution----Group inspectors together when possible and call when
work is complete
When is an HRV required?
----Solution----Almost always
What can you build under the owner-builder HPO process?
----Solution----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?
----Solution----Safety Authority (call Technical Safe BC)
Can an owner builder take out their own electrical permit?
----Solution----Yes, up to 200A
What is the best way to apply asphalt waterproofing on a foundation?
----Solution----Spray-on or roll on dry foundation with 2in. below grade
When is the appropriate time to backfill a foundation?
----Solution----After damp-proofing
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What do you need to do when applying a peel and stick waterproof
membrane foundation?
----Solution----Use an approved primer before installing
What are gas meter installation requirements?
----Solution----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?
----Solution----10ft, 4ft if no fall protection
How high does a construction fence around a site need to be?
----Solution----6ft
When installing the footer, it was dug down 2in. deeper than what the
elevation should be. What needs to happen?
----Solution----Install the footing form at proper elevation and fill with
extra concrete
When installing flashing for a roof valley how much do the asphalt
shingles need to overlap?
----Solution----6in.
BC Owner Builder Authorization Actual
Exam Newest 2026- 2027 /BC Owner
Builder Authorization Preparation With
300 Expert Verified Questions And
Correct Answers With Rationales|
Already Graded A+ Brand New!!!
Order of inspections ----Solution----
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?
----Solution----An experienced excavator says it's ok
At what depth is shoring required? ----Solution----1.2m/4ft
,2 | Page
Which best describes the principle of rain waterterm-0 deflection?
----Solution----Design and construction that prevents water from ever
entering
What lighting safety certifications are required in Canada?
----Solution----CSA safety certification
What grit of sandpaper would get the smoothest result?
----Solution----Higher grit with get a smoother finish
What is the maximum rise in a flight of stairs?
----Solution----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?
----Solution----3ft
What heights are end dams to be on windows and door flashings?
----Solution----25mm/1 inch
End dam use
----Solution----Stop water from coming in
,3 | Page
When should you call for inspectors to make them efficient as possible?
----Solution----Group inspectors together when possible and call when
work is complete
When is an HRV required?
----Solution----Almost always
What can you build under the owner-builder HPO process?
----Solution----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?
----Solution----Safety Authority (call Technical Safe BC)
Can an owner builder take out their own electrical permit?
----Solution----Yes, up to 200A
What is the best way to apply asphalt waterproofing on a foundation?
----Solution----Spray-on or roll on dry foundation with 2in. below grade
When is the appropriate time to backfill a foundation?
----Solution----After damp-proofing
, 4 | Page
What do you need to do when applying a peel and stick waterproof
membrane foundation?
----Solution----Use an approved primer before installing
What are gas meter installation requirements?
----Solution----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?
----Solution----10ft, 4ft if no fall protection
How high does a construction fence around a site need to be?
----Solution----6ft
When installing the footer, it was dug down 2in. deeper than what the
elevation should be. What needs to happen?
----Solution----Install the footing form at proper elevation and fill with
extra concrete
When installing flashing for a roof valley how much do the asphalt
shingles need to overlap?
----Solution----6in.
