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NBC 2015 - Section 9.7 & 9.8 - 01
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NBC 2015 - Section 9.7 & 9.8 - 01

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Questions and Answers

What is the maximum tolerance for the height difference between the tallest and shortest risers in a flight?

  • 20 mm
  • 10 mm (correct)
  • 15 mm
  • 5 mm

    • What is the maximum tolerance for the height difference between adjacent treads or landings?

  • 15 mm
  • 20 mm
  • 5 mm (correct)
  • 10 mm

    • What is the maximum tolerance for the height difference between the riser across the stair and a sloping finished walking surface?

  • 1 in 10
  • 1 in 5
  • 1 in 15
  • 1 in 12 (correct)

    • What is the maximum tolerance for the run of rectangular treads?

    <p>5 mm</p> Signup and view all the answers

    What is the minimum depth of a tapered tread?

    <p>Equal to its run</p> Signup and view all the answers

    Which of the following is NOT considered a skylight according to Section 9.7.1 of the text?

    <p>Transparent glazing</p> Signup and view all the answers

    According to Section 9.7.2.1 of the text, what is required at each entrance to a dwelling unit?

    <p>A door viewer or transparent glazing</p> Signup and view all the answers

    According to Section 9.7.2.2 of the text, which of the following is NOT a requirement for windows, doors, and skylights?

    <p>Flame-spread rating for doors and skylights</p> Signup and view all the answers

    Where should windows and doors be installed to control the spread of fire?

    <p>Dwelling units and attached garages</p> Signup and view all the answers

    What should the surface flame-spread rating be for doors and skylights?

    <p>Not specified</p> Signup and view all the answers

    According to the National Building Code of Canada 2015, what is the minimum width required for exterior stairs serving a single dwelling unit, except required exit stairs?

    <p>860 mm</p> Signup and view all the answers

    What is the minimum clear height over stairs that are located under beams and ducting in secondary suites?

    <p>1,850 mm</p> Signup and view all the answers

    Which stair configurations are permitted in buildings other than dwelling units and houses with a secondary suite, including their common spaces?

    <p>Straight flights, curved flights, and spiral stairs</p> Signup and view all the answers

    What is the maximum vertical height allowed for any flight of stairs?

    <p>3.7 m</p> Signup and view all the answers

    What is the minimum number of risers required in interior flights, except for stairs within a dwelling unit?

    <p>3 risers</p> Signup and view all the answers

    Which standard is referenced in the text for the performance requirements of windows, doors, and skylights?

    <p>AAMA/WDMA/CSA 101/I.S.2/A440</p> Signup and view all the answers

    What is the minimum level of performance required for windows, doors, and skylights?

    <p>Performance Class R</p> Signup and view all the answers

    Which standard is referenced in the text for exterior wood doors?

    <p>CAN/CSA-O132.2 Series</p> Signup and view all the answers

    Which section of the National Building Code of Canada 2015 Volume 2 is referenced for the compliance of site-built windows, doors, and skylights?

    <p>Part 5</p> Signup and view all the answers

    Which security level described in the Annex to ASTM F 476 exempts doors from conforming to certain requirements?

    <p>Grade 10</p> Signup and view all the answers

    Which type of screws should be used to fasten strikeplates for deadbolts to metal frames?

    <p>Machine screws</p> Signup and view all the answers

    What is the purpose of solid blocking in doors described in Sentence (1)?

    <p>To prevent spreading of the jambs</p> Signup and view all the answers

    What standard should windows conform to for resistance to forced entry in dwelling units?

    <p>NAFS – North American Fenestration Standard/Specification for Windows, Doors, and Skylights</p> Signup and view all the answers

    What materials are permitted for shims used to support windows, doors, and skylights?

    <p>Treated plywood</p> Signup and view all the answers

    What should be applied to unfinished portions of aluminum windows, doors, or skylights in contact with masonry, concrete, stucco, or plaster?

    <p>Alkali-resistant coating</p> Signup and view all the answers

    According to the National Building Code of Canada 2015, which of the following is NOT a performance expectation for windows, doors, and skylights when in the closed position?

    <p>Resisting wind loads</p> Signup and view all the answers

    According to the National Building Code of Canada 2015, which of the following is a requirement for skylights and their components?

    <p>Resisting snow loads</p> Signup and view all the answers

    According to the National Building Code of Canada 2015, when windows, doors, and skylights separate suites from the remainder of the building, they should be designed, constructed, and installed to:

    <p>Control air leakage</p> Signup and view all the answers

    According to the National Building Code of Canada 2015, storm doors for sliding doors should be designed, constructed, and installed to:

    <p>Resist wind loads</p> Signup and view all the answers

    According to the National Building Code of Canada 2015, which of the following is NOT a requirement for windows, doors, and skylights with or without storm doors or sash installed in buildings where the intended use of the interior space will not result in high moisture generation?

    <p>Maximum U-value for skylights</p> Signup and view all the answers

    The depth of a tapered tread shall be not less than its run at any point and not more than its run at any point plus 25 mm.

    <p>True</p> Signup and view all the answers

    Risers shall be of uniform height in any one flight, with a maximum tolerance of 5 mm between adjacent treads or landings.

    <p>True</p> Signup and view all the answers

    Risers shall be of uniform height in any one flight, with a maximum tolerance of 10 mm between the tallest and shortest risers in a flight.

    <p>True</p> Signup and view all the answers

    The height of the riser across the stair shall vary by not more than 1 in 12 when the top or bottom riser adjoins a sloping finished walking surface.

    <p>True</p> Signup and view all the answers

    Rectangular treads shall have a uniform run with a maximum tolerance of 5 mm.

    <p>True</p> Signup and view all the answers

    The depth of a tapered tread shall be not more than its run at any point plus 25 mm.

    <p>False</p> Signup and view all the answers

    Risers shall be of uniform height in any one flight, with a maximum tolerance of 10 mm between adjacent treads or landings.

    <p>False</p> Signup and view all the answers

    The height of the riser across the stair shall vary by not more than 1 in 12 when the top or bottom riser adjoins a sloping finished walking surface.

    <p>False</p> Signup and view all the answers

    Rectangular treads shall have a uniform run with a maximum tolerance of 10 mm.

    <p>False</p> Signup and view all the answers

    The depth of a tapered tread shall be not less than its run at any point.

    <p>False</p> Signup and view all the answers

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