Download Owner-Builder Test: Construction Practices and Regulations and more Exams Building Materials and Systems in PDF only on Docsity!
Owner Builder Test
At what depth is shoring required?✔✔1.2m/4ft
Which is not an acceptable method for determining the correct grading for a
trench?✔✔An experienced excavator says it's ok
Which best describes the principle of rain water 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
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 is the moisture permeability of 6mm poly?✔✔0.03 US perm or 1.7 ng
When can WorkSafe BC come to your construction site?✔✔Anytime
What is the maximum moisture percentage you can have in framing
lumber?✔✔19%
What is your liability for you subcontractor on your site?✔✔You must abide by the Workers Compensation Act and obtain a clearance letter from each contractor to ensure they are in good standing with WorkSafe BC
Where is diverting flashing used?✔✔At the end of an intersection between a roof and a wall to direct water away from the vertical wall
What is the best way to build a water tight wall?✔✔With the use of a rain screen
When can you sell an owner built home?✔✔After the first year of occupancy, or with special permission from the HPO
Can you transfer your owner built home to a family member in the first
year?✔✔No
If you are building a room 12' by 9' and you draw a diagonal line between 2 corners how long would the line be?✔✔15'
How far above the chimney can the flue liner protrude?✔✔A minimum of 50mm
What is the correct chimney clearance?✔✔2' above the highest point within 10'
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
