BC Owner Builder Exam 2026/2027 NEWEST VERIFIED QUESTIONS WITH DETAILED ANSWERS

BC Owner Builder Exam 2026/2027 NEWEST
VERIFIED QUESTIONS WITH DETAILED
ANSWERS
• If workers are required to enter a trench over 1.2 m (4 ft) deep, the safe point of
entry and exit must be located:




a) within 5 m (16 ft) of the workers and the excavation must be safely supported or
sloped to the entry and exit location.
b) within 7 m (23 ft) of the workers and the excavation must be safely supported or
sloped to the entry and exit location.
c) within 8 m (25 ft) of the workers and the excavation must be
safely supported or sloped to the entry and exit location.
d) within 10 m (32 ft) of the workers and the excavation must be safely supported
or sloped to the entry and exit location. -✓✓ c


• What is the design and construction that prevents
water from ever entering?


a) Principle of driving rain deterrent
b) Principle of driving rain deflection
c) Principle of rainwater deterrent
d) Principle of rainwater deflection -✓✓ d


• The higher grit number is equivalent to:
a) a finer abrasive, which creates smoother surface

,finishes.
b) a finer abrasive, which creates a rougher surface finish.
c) a rougher abrasive, which creates smoother surface
finishes.
d) a rougher abrasive, which creates a rougher surface finish. -✓✓ a


• The vertical height of any flight of stairs shall not exceed
a) 4.5 m or 15 ft
b) 3.7 m or 12 ft
c) 3.5 m or 11.5 ft
d) 2.8 m or 9 ft -✓✓ b


• Extend the ladder at least ____ above the landing platform or the point of
support.


a) 1.5 m (5 ft)
b) 2 m (6.3 ft)
c) 1 m (3 ft)
d) .5 m (1.5 ft) -✓✓ c


• for every four feet in height, the base of the ladder should be moved ___ foot out
from the wall or structure. -✓✓ 1


• Use a ___ ratio for setting ladders (approximately 75 degrees) to determine how
far out the base of the ladder should be moved in relation to the height of the ladder
against the wall. -✓✓ 4:1

,• To be effective, mechanical ventilation systems must be able to
a) Distribute ventilation air to most rooms of the house and exhaust air from
kitchens, bathrooms, and laundry rooms.
b) Exhaust air from kitchens, bathrooms, and laundry rooms.
c) Distribute ventilation air to bedrooms and common spaces
d) Distribute ventilation air to most bedrooms and exhaust air from bathrooms and
laundry rooms. -✓✓ a


• ____________ performs routine remote and physical inspections on gas work and
gas equipment in commercial, industrial, and residential premises.
a) Worksafe BC
b) Regional District Building Inspectors
c) Technical Safety BC -✓✓ c


• If your property is in Technical Safety BC jurisdiction, homeowners can apply
for an electrical homeowner permit.


T or F? -✓✓ T


• Shingles should overlap the valley lining by at least ____
a) 12 inches.
b) 6 inches.
c) 2 inches.
d) 5 inches. -✓✓ b

, • The moisture trapped within the membranes will form bubbles on the surface of
the flat roof. As moisture builds up on the roof, the bubbles will eventually grow
and pop, forming a blister. The moisture is formed by ___________
a) excessive heat and poor attic ventilation.
b) excessive cold and poor attic ventilation.
c) excessive heat and excessive attic ventilation.
d) excessive cold and excessive attic ventilation. -✓✓ a


• If any condensation forms on the inside of your skylight, the weep holes allow
the water to drain out of your home. The condensation can end up dripping into
your home instead if ____
a) too many holes are present.
b) these holes are not properly caulked.
c) these holes are blocked by debris.
d) the holes are installed on the downward slope -✓✓ c


• The weep holes in skylights allow the _______
a) air exchange
b) water to drain out of your home
c) condensation to get trapped
d) caulking to adhere the skylight tightly to the mount -✓✓ b


• The depth of a concrete slab control joint should be equal to ______


a) one eighth of the thickness of the slab.
b) one half of the thickness of the slab.