BC OWNER BUILDER ACTUAL FINAL PAPER QUESTIONS
AND SOLUTIONS MARKED A+
✔✔What are the ventilation fan requirements? - ✔✔One exhaust fan in every kitchen
and every bathroom and an additional principle ventilation exhaust fan for the whole
dwelling
✔✔What is the appropriate location for a water heater? - ✔✔A water heater should be
located close to the greatest area of hot water usage and should not be placed where
water lines could freeze
✔✔What is the regulation for insulation between the main home and garage? - ✔✔The
house must have insulation and vapour barrier as though the garage were exterior
space. Air barrier and insulation is required for any wall or ceiling that is between the
garage and living space.
✔✔When should you call for electrical inspections? - ✔✔Before wiring is concealed or
connected to a supply.
✔✔What must you do if you fail and electrical inspection? - ✔✔Fix the problem and call
for re-inspection.
✔✔When do you need a chimney saddle? - ✔✔When the upper side width of the
chimney is 750mm or more.
✔✔What must you do before starting to build? - ✔✔Notify WorkSafe BC at least 24
hours in advance
✔✔How high must a ladder protrude above a 4' trench? - ✔✔3'
✔✔Why keep a worksite free of debris? - ✔✔To protect inspectors and provide a safe
and efficient work space
✔✔What shows hidden objects in blueprints? - ✔✔Dashed lines
✔✔What square is best to use to transfer and 35 degree slope from plans to work? -
✔✔A sliding T-bevel
✔✔How much support is needed for floor joists into footing? - ✔✔1.5" min for floor
joists. For beams 3.5"
✔✔Why must concrete cure? - ✔✔To reach peak strength
, ✔✔What is one method that can be used to prevent new concrete from freezing in cold
weather? - ✔✔Insulated tarps
✔✔When should you order and inspection for an external sewer line? - ✔✔When the
pipe in on 6" of sand and before backfill
✔✔When should insulation be inspected? - ✔✔After insulation is installed but before
covering
✔✔When can you put up exterior house wrap? - ✔✔After framing inspection but before
insulating
✔✔What must a gas fitter do when a gas system installation has been completed? -
✔✔Affix a tag with their name, certificate number, type of appliance and date
✔✔How far away must an electrical meter be from a gas meter? - ✔✔1m
✔✔When locking out of a circuit what must you do? - ✔✔Shut off, tag and lock
✔✔For beam construction, what to do for nailing patters - ✔✔Refer to manufacturers or
engineer's instructions
✔✔Who is responsible to ensure that the electrical contractor is performing work safely
on the site? - ✔✔Owner builder
✔✔When NOT to install vapour barrier - ✔✔If insulation wet
✔✔How to measure wood moisture - ✔✔Moisture meter
✔✔Which of the following is not a characteristic of house wrap? - ✔✔Is vapour proof
✔✔Min gap for rain screen - ✔✔10mm
✔✔When strapping vertical siding? - ✔✔Put vertical straps on wall with horizontal on
second
✔✔What is best practice eaves trough hanger spacing? - ✔✔3 feet/36 inches
✔✔Why is the dam used on window flashing? - ✔✔To hinder water flow behind siding
etc.
✔✔What to do if window top is 16" down from a 24" overhang? - ✔✔Install header
flashing
AND SOLUTIONS MARKED A+
✔✔What are the ventilation fan requirements? - ✔✔One exhaust fan in every kitchen
and every bathroom and an additional principle ventilation exhaust fan for the whole
dwelling
✔✔What is the appropriate location for a water heater? - ✔✔A water heater should be
located close to the greatest area of hot water usage and should not be placed where
water lines could freeze
✔✔What is the regulation for insulation between the main home and garage? - ✔✔The
house must have insulation and vapour barrier as though the garage were exterior
space. Air barrier and insulation is required for any wall or ceiling that is between the
garage and living space.
✔✔When should you call for electrical inspections? - ✔✔Before wiring is concealed or
connected to a supply.
✔✔What must you do if you fail and electrical inspection? - ✔✔Fix the problem and call
for re-inspection.
✔✔When do you need a chimney saddle? - ✔✔When the upper side width of the
chimney is 750mm or more.
✔✔What must you do before starting to build? - ✔✔Notify WorkSafe BC at least 24
hours in advance
✔✔How high must a ladder protrude above a 4' trench? - ✔✔3'
✔✔Why keep a worksite free of debris? - ✔✔To protect inspectors and provide a safe
and efficient work space
✔✔What shows hidden objects in blueprints? - ✔✔Dashed lines
✔✔What square is best to use to transfer and 35 degree slope from plans to work? -
✔✔A sliding T-bevel
✔✔How much support is needed for floor joists into footing? - ✔✔1.5" min for floor
joists. For beams 3.5"
✔✔Why must concrete cure? - ✔✔To reach peak strength
, ✔✔What is one method that can be used to prevent new concrete from freezing in cold
weather? - ✔✔Insulated tarps
✔✔When should you order and inspection for an external sewer line? - ✔✔When the
pipe in on 6" of sand and before backfill
✔✔When should insulation be inspected? - ✔✔After insulation is installed but before
covering
✔✔When can you put up exterior house wrap? - ✔✔After framing inspection but before
insulating
✔✔What must a gas fitter do when a gas system installation has been completed? -
✔✔Affix a tag with their name, certificate number, type of appliance and date
✔✔How far away must an electrical meter be from a gas meter? - ✔✔1m
✔✔When locking out of a circuit what must you do? - ✔✔Shut off, tag and lock
✔✔For beam construction, what to do for nailing patters - ✔✔Refer to manufacturers or
engineer's instructions
✔✔Who is responsible to ensure that the electrical contractor is performing work safely
on the site? - ✔✔Owner builder
✔✔When NOT to install vapour barrier - ✔✔If insulation wet
✔✔How to measure wood moisture - ✔✔Moisture meter
✔✔Which of the following is not a characteristic of house wrap? - ✔✔Is vapour proof
✔✔Min gap for rain screen - ✔✔10mm
✔✔When strapping vertical siding? - ✔✔Put vertical straps on wall with horizontal on
second
✔✔What is best practice eaves trough hanger spacing? - ✔✔3 feet/36 inches
✔✔Why is the dam used on window flashing? - ✔✔To hinder water flow behind siding
etc.
✔✔What to do if window top is 16" down from a 24" overhang? - ✔✔Install header
flashing
