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BC Owner Builder Exam
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BC Owner Builder Exam
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BC OWNER BUILDER EXAM Q/AVERIFIED BY EXPERTS
j 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
Which is not an acceptable method for determining the correct grading for a trench? - An experienced
excavator says it's ok
At what depth is shoring required? - 1.2m/4ft
Which best describes the principle of rain waterterm-0 deflection? - Design and construction that
prevents water from ever entering
What lighting safety certifications are required in Canada? - CSA safety certification
What grit of sandpaper would get the smoothest result? - Higher grit with get a smoother finish
What is the maximum rise in a flight of stairs? - 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? - 3ft
What heights are end dams to be on windows and door flashings? - 25mm/1 inch
End dam use - Stop water from coming in
When should you call for inspectors to make them efficient as possible? - Group inspectors together
when possible and call when work is complete
When is an HRV required? - Almost always
What can you build under the owner-builder HPO process? - 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? - Safety Authority (call Technical Safe BC)
Can an owner builder take out their own electrical permit? - Yes, up to 200A
What is the best way to apply asphalt waterproofing on a foundation? - Spray-on or roll on dry
foundation with 2in. below grade
When is the appropriate time to backfill a foundation? - After damp-proofing
What do you need to do when applying a peel and stick waterproof membrane foundation? - Use an
approved primer before installing
What are gas meter installation requirements? - 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? - 10ft, 4ft if no fall protection
How high does a construction fence around a site need to be? - 6ft
When installing the footer, it was dug down 2in. deeper than what the elevation should be. What needs
to happen? - 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? - 6in.
What would cause a blister on a flat roof? - Moisture trapped under roof
Water is backing up in a skylight, what do you do to fix it? - Clear drainage
What needs to be done first when starting to install asphalt shingles on a roof? - Install eve protection
What kind of fastener can you use in a wood that has been treated with chromated copper arsenate? -
Lumber manufacturer approved fastener
When should there be insulation under a basement slab? - When there is in floor heating
How deep should the control joint be in a concrete slab? - 1/4 of the slab
What kind of insulation should be installed under slab? - XPS
What kind of insulation has the least moisture permeability? - XPS
When framing a header of a staircase where does the framer get the nailing pattern? - Use the BC code
section 9 nailing pattern
What document must the owner submit to WorkSafe BC prior to starting construction? - Notice of
project
What is the nailing/screw pattern for backer board? - Manufacturer approved pattern
When installing a bi-fold door the door bings at the side jamb on the top. What can be done to fix this? -
Adjust the top pivot point
What should be done when joist and beams have contact with bare concrete walls? - Use pressure
treated wood and leave 12mm air space
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