Which best describes the design principle of rain water deflection?
a. Design and construction that prevents water from ever entering
b. Building design that allows all assemblies to air dry
c. Construction that uses water-proof materials
d. When water enters, proper design will allow it to drain away - ANSWER Design and
construction that prevents water from ever entering
Which is not an acceptable method for determining the correct grading for a trench? - AN-
SWER An experienced excavator says it's ok
What lighting safety certifications are required in Canada? - ANSWER CSA safety certifica-
tion
What grit of sandpaper would get the smoothest result? - ANSWER Higher grit with get a
smoother finish
What is the maximum rise in a flight of stairs? - ANSWER The vertical height of any flight
of stairs should not exceed 3.7m (12.1 feet)
What is the minimum distance that a ladder must extend above a parapet wall or landing? -
ANSWER 3ft
1
,What heights are end dams to be on windows and door flashings? - ANSWER 1" (25mm)
What do End Dams do? - ANSWER Stop water from coming in
When should you call for inspectors to make them efficient as possible? - ANSWER Group
inspectors together when possible and call when work is complete
When is an HRV required? - ANSWER Almost always
What can you build under the owner-builder HPO process? - ANSWER You can build
- a single detached home under a single title
- a single dwelling attached to a pre-existing building older than 10 years
-or a single dwelling attached to a new non-residential building.
Who issues permits for a gas fireplace? - ANSWER Technical Safe BC
Can an owner builder take out their own electrical permit? - ANSWER Yes, up to 200A
At what depth is shoring required? - ANSWER 1.2m/4ft
When is the appropriate time to backfill a foundation? - ANSWER After damp-proofing
What is the best way to apply asphalt waterproofing on a foundation? - ANSWER Spray-
on or roll on dry foundation with 2" (50mm) below grade
2
,What do you need to do when applying a peel and stick waterproof membrane foundation?
- ANSWER Use an approved primer before installing
At what height do you need to install a handrail or have fall protection? - ANSWER 10ft
(3m) above grade with fall protection, 4ft (1.2m) if no fall protection
What are gas meter installation requirements? - ANSWER The distance from the gas vent
to the roof must be greater than the overhang of the roof, nothing can be with in 1m (39.4")
either side or 4.5m (177") above a gas meter.
When installing the footer, it was dug down 2in. deeper than what the elevation should be.
What needs to happen? - ANSWER Install the footing form at the correct elevation and
fill the extra depth with concrete.
How high does a construction fence around a site need to be? - ANSWER 6ft (1.8m)
When installing flashing for a roof valley how much do the asphalt shingles need to overlap?
- ANSWER 6" (152mm)
What would cause a blister on a flat roof? - ANSWER Moisture trapped under roof
Water is backing up in a skylight, what do you do to fix it? - ANSWER Clear drainage
What needs to be done first when starting to install asphalt shingles on a roof? - ANSWER
Install eave protection
What kind of fastener can you use in a wood that has been treated with chromated copper
arsenate? - ANSWER Lumber manufacturer approved fastener
3
, When should there be insulation under a basement slab? - ANSWER When there is in
floor heating or above the frost line.
How deep should the control joint be in a concrete slab? - ANSWER 1/4 of the slab
What kind of insulation should be installed under slab? - ANSWER XPS (extruded polysty-
rene) or EPS (expanded polystyrene)
When framing a header of a staircase where does the framer get the nailing pattern? - AN-
SWER Use the BC code section 9 nailing pattern
What kind of insulation has the least moisture permeability? - ANSWER XPS extruded
poly styrene
What document must the owner submit to WorkSafe BC prior to starting construction for
projects over $100,000? - ANSWER Notice of project
What is the nailing/screw pattern for backer board? - ANSWER Manufacturer approved
pattern
When installing a bi-fold door the door binds at the side jamb on the top (i.e. does not move
smoothly). What can be done to fix this? - ANSWER Adjust the top pivot point
What should be done when joist and beams have contact with bare concrete walls? - AN-
SWER Use pressure treated wood and leave 12mm (0.5") air space.
What is the minimum depth for a beam support (beam pocket in foundation wall)? - AN-
SWER Not less than 89mm (3")
4
a. Design and construction that prevents water from ever entering
b. Building design that allows all assemblies to air dry
c. Construction that uses water-proof materials
d. When water enters, proper design will allow it to drain away - ANSWER Design and
construction that prevents water from ever entering
Which is not an acceptable method for determining the correct grading for a trench? - AN-
SWER An experienced excavator says it's ok
What lighting safety certifications are required in Canada? - ANSWER CSA safety certifica-
tion
What grit of sandpaper would get the smoothest result? - ANSWER Higher grit with get a
smoother finish
What is the maximum rise in a flight of stairs? - ANSWER The vertical height of any flight
of stairs should not exceed 3.7m (12.1 feet)
What is the minimum distance that a ladder must extend above a parapet wall or landing? -
ANSWER 3ft
1
,What heights are end dams to be on windows and door flashings? - ANSWER 1" (25mm)
What do End Dams do? - ANSWER Stop water from coming in
When should you call for inspectors to make them efficient as possible? - ANSWER Group
inspectors together when possible and call when work is complete
When is an HRV required? - ANSWER Almost always
What can you build under the owner-builder HPO process? - ANSWER You can build
- a single detached home under a single title
- a single dwelling attached to a pre-existing building older than 10 years
-or a single dwelling attached to a new non-residential building.
Who issues permits for a gas fireplace? - ANSWER Technical Safe BC
Can an owner builder take out their own electrical permit? - ANSWER Yes, up to 200A
At what depth is shoring required? - ANSWER 1.2m/4ft
When is the appropriate time to backfill a foundation? - ANSWER After damp-proofing
What is the best way to apply asphalt waterproofing on a foundation? - ANSWER Spray-
on or roll on dry foundation with 2" (50mm) below grade
2
,What do you need to do when applying a peel and stick waterproof membrane foundation?
- ANSWER Use an approved primer before installing
At what height do you need to install a handrail or have fall protection? - ANSWER 10ft
(3m) above grade with fall protection, 4ft (1.2m) if no fall protection
What are gas meter installation requirements? - ANSWER The distance from the gas vent
to the roof must be greater than the overhang of the roof, nothing can be with in 1m (39.4")
either side or 4.5m (177") above a gas meter.
When installing the footer, it was dug down 2in. deeper than what the elevation should be.
What needs to happen? - ANSWER Install the footing form at the correct elevation and
fill the extra depth with concrete.
How high does a construction fence around a site need to be? - ANSWER 6ft (1.8m)
When installing flashing for a roof valley how much do the asphalt shingles need to overlap?
- ANSWER 6" (152mm)
What would cause a blister on a flat roof? - ANSWER Moisture trapped under roof
Water is backing up in a skylight, what do you do to fix it? - ANSWER Clear drainage
What needs to be done first when starting to install asphalt shingles on a roof? - ANSWER
Install eave protection
What kind of fastener can you use in a wood that has been treated with chromated copper
arsenate? - ANSWER Lumber manufacturer approved fastener
3
, When should there be insulation under a basement slab? - ANSWER When there is in
floor heating or above the frost line.
How deep should the control joint be in a concrete slab? - ANSWER 1/4 of the slab
What kind of insulation should be installed under slab? - ANSWER XPS (extruded polysty-
rene) or EPS (expanded polystyrene)
When framing a header of a staircase where does the framer get the nailing pattern? - AN-
SWER Use the BC code section 9 nailing pattern
What kind of insulation has the least moisture permeability? - ANSWER XPS extruded
poly styrene
What document must the owner submit to WorkSafe BC prior to starting construction for
projects over $100,000? - ANSWER Notice of project
What is the nailing/screw pattern for backer board? - ANSWER Manufacturer approved
pattern
When installing a bi-fold door the door binds at the side jamb on the top (i.e. does not move
smoothly). What can be done to fix this? - ANSWER Adjust the top pivot point
What should be done when joist and beams have contact with bare concrete walls? - AN-
SWER Use pressure treated wood and leave 12mm (0.5") air space.
What is the minimum depth for a beam support (beam pocket in foundation wall)? - AN-
SWER Not less than 89mm (3")
4
