BC Owner Builder Exam 2025 EXAM QUESTIONS AND VERIFIED SOLUTIO
|ELABORATED &DETAILED ANSWERS!!
1. Order of inspections 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
2. Which is not an ac- An experienced excavator says it's ok
ceptable method for
determining the cor-
rect grading for a
trench?
3. At what depth is 1.2m/4ft
shoring required?
4. Which best describes Design and construction that prevents water from ever entering
the principle of rain
waterterm-0 deflec-
tion?
5. What lighting safety CSA safety certification
certifications are re-
quired in Canada?
6. What grit of sand- Higher grit with get a smoother finish
paper would get the
smoothest result?
, BC Owner Builder Exam 2025 EXAM QUESTIONS AND VERIFIED SOLUTIO
|ELABORATED &DETAILED ANSWERS!!
7. What is the maxi- The vertical height of any flight of stairs should not exceed 3.7m
mum rise in a flight
of stairs?
8. What is the mini- 3ft
mum distance that a
ladder must extend
above a parapet wall
or landing?
9. What heights are 25mm/1 inch
end dams to be on
windows and door
flashings?
10. End dam use Stop water from coming in
11. When should you Group inspectors together when possible and call when work is complete
call for inspectors to
make them efficient
as possible?
12. When is an HRV re- Almost always
quired?
13. What can you Single detached home under a single title. Single dwelling attached to
build under the pre-existing building older than 10 years. Single dwelling attached to a new
owner-builder HPO non-residential building.
process?
14. Who issues permits Safety Authority (call Technical Safe BC)
for a gas fireplace?
, BC Owner Builder Exam 2025 EXAM QUESTIONS AND VERIFIED SOLUTIO
|ELABORATED &DETAILED ANSWERS!!
15. Can an owner Yes, up to 200A
builder take out their
own electrical per-
mit?
16. What is the best Spray-on or roll on dry foundation with 2in. below grade
way to apply asphalt
waterproofing on a
foundation?
17. When is the appro- After damp-proofing
priate time to backfill
a foundation?
18. What do you need Use an approved primer before installing
to do when applying
a peel and stick wa-
terproof membrane
foundation?
19. What are gas meter The distance from the gas vent to the roof must be greater than the overhang
installation require- of the roof, nothing can be with in 1m either side or 4.5m above a gas meter
ments?
20. When do you need to 10ft, 4ft if no fall protection
install a handrail or
have fall protection?
21. How high does a 6ft
construction fence
around a site need to
be?
|ELABORATED &DETAILED ANSWERS!!
1. Order of inspections 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
2. Which is not an ac- An experienced excavator says it's ok
ceptable method for
determining the cor-
rect grading for a
trench?
3. At what depth is 1.2m/4ft
shoring required?
4. Which best describes Design and construction that prevents water from ever entering
the principle of rain
waterterm-0 deflec-
tion?
5. What lighting safety CSA safety certification
certifications are re-
quired in Canada?
6. What grit of sand- Higher grit with get a smoother finish
paper would get the
smoothest result?
, BC Owner Builder Exam 2025 EXAM QUESTIONS AND VERIFIED SOLUTIO
|ELABORATED &DETAILED ANSWERS!!
7. What is the maxi- The vertical height of any flight of stairs should not exceed 3.7m
mum rise in a flight
of stairs?
8. What is the mini- 3ft
mum distance that a
ladder must extend
above a parapet wall
or landing?
9. What heights are 25mm/1 inch
end dams to be on
windows and door
flashings?
10. End dam use Stop water from coming in
11. When should you Group inspectors together when possible and call when work is complete
call for inspectors to
make them efficient
as possible?
12. When is an HRV re- Almost always
quired?
13. What can you Single detached home under a single title. Single dwelling attached to
build under the pre-existing building older than 10 years. Single dwelling attached to a new
owner-builder HPO non-residential building.
process?
14. Who issues permits Safety Authority (call Technical Safe BC)
for a gas fireplace?
, BC Owner Builder Exam 2025 EXAM QUESTIONS AND VERIFIED SOLUTIO
|ELABORATED &DETAILED ANSWERS!!
15. Can an owner Yes, up to 200A
builder take out their
own electrical per-
mit?
16. What is the best Spray-on or roll on dry foundation with 2in. below grade
way to apply asphalt
waterproofing on a
foundation?
17. When is the appro- After damp-proofing
priate time to backfill
a foundation?
18. What do you need Use an approved primer before installing
to do when applying
a peel and stick wa-
terproof membrane
foundation?
19. What are gas meter The distance from the gas vent to the roof must be greater than the overhang
installation require- of the roof, nothing can be with in 1m either side or 4.5m above a gas meter
ments?
20. When do you need to 10ft, 4ft if no fall protection
install a handrail or
have fall protection?
21. How high does a 6ft
construction fence
around a site need to
be?
