Exam (elaborations)
Owner Builder | 68 Questions and Answers
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Owner Builder | 68 Questions and Answers
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Owner Builder | 68 Questions and AnswersAt what depth of trench is shoring require / At what depth of an excavation is shoring
required? - ANSWER 1.2M (4 Feet)
Which of the following is not an acceptable method for determining the correct
grading for a trench? - ANSWER An experienced excavator says it's ok
Which best describes the design principle of rain water deflection? - ANSWER
Design and construction that prevents water from ever entering
What lighting certifications are required in Canada? - ANSWER CSA safety
certification
What grit of sandpaper would get smoothest result? (/etc.) - ANSWER
The higher the grit, the finer/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? - ANSWER The vertical height any
flight stairs shall not exceed 3.7 m (from the BCBC)
What is the minimum distance that a ladder must extend above a parapet wall or
landing? - ANSWER 3 ft.
What heights are end dams to be on window and door flashings? - ANSWER 25
mm / 1 inch (from BCBC)
When is an HRV required? - ANSWER Almost always: "Effective December 19,
2014 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
[9.32.3.3.]" "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? Which of the following is
not allowed under the HPO owner-builder program? - ANSWER New dwelling unit
attached to building *newer* than 10 years old
Who issues permits for a gas fireplace? - ANSWER Safety Authority → now call
Technical Safety BC
Can an owner builder take out his or her own electrical permit? - ANSWER Yes -
work up to 200A is allowed
What is the best practice to apply asphalt waterproofing on a foundation? - ANSWER
2inch (max) below grade
, What do you need to do when applying a peel and stick waterproof membrane
foundation? - ANSWER Use an approved primer before installing
What distances can a gas exhaust vents not be installed near a gas regulator? -
ANSWER 1m left and right and 4.5, above
When do you need to install a handrail, or have worker wear fall protection? -
ANSWER 10 ft. above grade
What height must a handrail be provided? - ANSWER 4 feet
How high does a construction fence around a site needs to be - ANSWER 6 feet
When installing the footer, it was dug down 2 inches deeper then what the elevation
should be. What needs to happen? - ANSWER 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 it? - ANSWER 6 inches
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 eve protection
What kind of fastener can you use in a wood that had been treated with chromated
copper arsenate (pressure treated wood)? - ANSWER Lumber manufacturer
approved fastener
When should there be insulation under a basement slab? - ANSWER When there is
in floor heating or above frost line
How deep should the control joint be in a concrete slab? - ANSWER 1/4 of the slab
What can be done to eliminate differential shrinkage? - ANSWER Control Joints
What kind of insulation should be installed under slab? - ANSWER XPS
Kind of insulation types has the least moisture permeability? - ANSWER XPS
extruded poly styrene
When framing a header of a staircase, the framer needs to know the nailing pattern.
Where does he get it? - ANSWER Use the BC code section 9 nailing pattern for the
header
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