OWNER BUILDER EXAM | 302 ACTUAL QUESTIONS
AND ANSWERS WITH COMPLETE SOLUTIONS |
ALREADY GRADED A+ | NEW UPDATE
At what depth of trench is shoring require / At what depth of an excavation is
shoring required? - ANSWER 1.2 M or 4 Feet
How can shoring be done past 4 feet? - 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? - 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 - 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? - ANSWER
Design and construction which stops water from ever entering
What lighting certifications are required in Canada? - ANSWER CSA safety
certification
What grit of sandpaper would get smoothest result? 150-180 etc. - 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 - 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? - ANSWER 3 feet
If you have a 4m ladder, how far from the wall does the base of the ladder have to
be? - 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? - ANSWER 25
mm / 1 inch (from BCBC)
,When to call for inspections and how to make them efficient as possible? -
ANSWER Group together when possible and call when work is complete
When is an HRV required? - 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? - 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? -
ANSWER A new dwelling unit attached to building *newer*
than 10 years old
, Who issues permits for a gas fireplace? - ANSWER The Safety Authority - Now
called Technical Safety BC
Can an owner builder take out his or her own electrical permit? - ANSWER Yes
-work up to 200A is allowed.
What types of Buildings that Can be Wired by Homeowners? - 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? -
ANSWER Spray-on or roll on dry foundation with 2inch (max) below grade
What is best practice for waterproofing on foundation? - ANSWER Spray or roll
12 inch above grade on dry surface
When is the appropriate time to backfill a foundation? - ANSWER After Damp-
proofing
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