VERIFIED ANSWERS (100% CORRECT) | LATEST EXAM UPDATE
At what depth of trench is shoring require / At what depth of an excavation is
shoring required? - CORRECT ANSWER - 1.2 M or 4 Feet
How can shoring be done past 4 feet? - CORRECT ANSWER - This can be
done with purpose-built shoring, or, it is acceptable to
use plywood if it is properly constructed.
Which of the following is not an acceptable method for determining the correct
grading for a trench? - CORRECT ANSWER - experienced contractor says it's
ok
Before a worker enters any excavation over 1.2 m (4 ft) in depth or, while in the
excavation,
approaches closer to the side or bank than a distance equal to the depth of the
excavation, the employer must ensure that the
sides of the excavation are - CORRECT ANSWER - (a) sloped as specified in
writing by a qualified registered professional,
(b) sloped at angles, dependent on soil conditions, which will ensure stable
faces, but in no case, may the slope or combination
of vertical cut and slope exceed that shown in Figure 20-1,
(c) benched as shown in Figure 20-2,
(d) supported as specified in writing by a professional engineer,
(e) supported in accordance with the minimum requirements of section 20.85, or
(f) supported by manufactured or prefabricated trench boxes or shoring cages,
or other effective means.
Which best describes the design principle of rain water deflection? -
CORRECT ANSWER - Design and construction which stops water from ever
entering
What lighting certifications are required in Canada? - CORRECT ANSWER -
CSA safety certification
What grit of sandpaper would get smoothest result? 150-180 etc. - CORRECT
ANSWER - The higher the grade, the smoother the finish. When finishing a
surface, you typically start with a low grit and
work up to a high grit.
What is the maximum rise in a flight of stairs?
,a. The vertical height any flight stairs - CORRECT ANSWER - The vertical
height shall not exceed 3.7 M
What is the minimum distance that a ladder must extend above a parapet wall or
landing? - CORRECT ANSWER - 3 feet
If you have a 4m ladder, how far from the wall does the base of the ladder have
to be? - CORRECT ANSWER - 74 degrees or 4:1 ratio. So 4 m ladder, needs
to be 1 m away.
What heights are end dams to be on window and door flashings? - CORRECT
ANSWER - 25 mm / 1 inch (from BCBC)
When to call for inspections and how to make them efficient as possible? -
CORRECT ANSWER - Group together when possible and call when work is
complete
When is an HRV required? - CORRECT ANSWER - Almost always:
"Effective December ϭε, ϮϬϭκ residential dwelling units, such as houses,
apartments and secondary suites will be required to have
a principal ventilation system that exhausts air from bathrooms and kitchens and
supplies fresh air to bedrooms and living areas
[ε.ϯϮ.ϯ.ϯ."
"Some small dwelling units in mild climates are permitted to supply fresh air
through passive vents [9.32.3.4.(6)], but for most
dwelling units exhaust and supply will require a mechanical fan"
What can you build under the owner-builder HPO process? - CORRECT
ANSWER - Single detached home under a single title. One single dwelling unit
in or attached to a pre-existing building older than 10 years (includes
the addition of a unit to convert a detached home to a duplex, or conversion of a
duplex to triplex, or conversion of non -residential space
to a dwelling unit). One single dwelling unit in or attached to a new non-
residential building (one only per building, such as a caretaker suite
or home built above a family-run store).
12. Who issues permits for a gas fireplace?
Which of the following is not allowed under the HPO owner-builder program? -
CORRECT ANSWER - A new dwelling unit attached to building *newer*
than 10 years old
Who issues permits for a gas fireplace? - CORRECT ANSWER - The Safety
Authority - Now called Technical Safety BC
, Can an owner builder take out his or her own electrical permit? - CORRECT
ANSWER - Yes -work up to 200A is allowed.
What types of Buildings that Can be Wired by Homeowners? - CORRECT
ANSWER - You are entitled to do electrical work in a fully detached
residential dwelling that you occupy or intend to occupy. Your
dwelling may not contain a suite. Fully detached dwellings are buildings that
are designed for single family use only.
You are not allowed to do electrical work in or on any buildings if:
ͻ you do not live in or intend to live in the dwelling,
ͻ any part of the building includes a separate self-contained suite or occupancy,
ͻ the building, or any part of the building is being used to provide rental
income, or
ͻ the building, or any part of the building is used for commercial purposes.
What is the best practice to apply asphalt waterproofing on a foundation? -
CORRECT ANSWER - Spray-on or roll on dry foundation with 2inch (max)
below grade
What is best practice for waterproofing on foundation? - CORRECT
ANSWER - Spray or roll 12 inch above grade on dry surface
When is the appropriate time to backfill a foundation? - CORRECT ANSWER
- After Damp-proofing
Where does one apply Damp-proofing Material - CORRECT ANSWER -
Exterior damp-proofing shall be applied from finished ground level to the top of
the exterior of the footing.
What do you need to do when applying a peel and stick waterproof membrane
foundation? - CORRECT ANSWER - Use an approved primer before
installing
The distance from the gas vent to the roof must be... - CORRECT ANSWER -
...greater than the overhang of the roof. Nothing (no gas appliance exhaust
vents) within
1m either side and 4.5 meters above. Any powered air intake must not be within
3 meters.
When do you need to install a handrail, or have worker wear fall protection? -
CORRECT ANSWER - 10 feet above grade