NBC 2015 - Section 9.23-24 -01
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Questions and Answers

How far should strapping be located from each support or other rows of strapping?

  • Not more than 400 mm
  • Not less than 19 mm
  • Not more than 600 mm
  • Not more than 2 100 mm (correct)

    • What is the minimum size requirement for cross bridging specified in Span Table 9.23.4.2.-A?

  • 19 mm by 89 mm
  • 38 mm by 38 mm
  • 19 mm by 64 mm or 38 mm by 38 mm (correct)
  • 38 mm solid blocking

    • In addition to bridging, what else is required when bridging and strapping are specified in Span Table 9.23.4.2.-A?

  • 38 mm solid blocking (correct)
  • 19 mm by 64 mm or 38 mm by 38 mm cross bridging
  • 19 mm by 89 mm wood furring
  • 38 mm by 38 mm cross bridging

    • What is the alternative option for bridging specified in Span Table 9.23.4.2.-B?

    <p>38 mm solid blocking</p> Signup and view all the answers

    When is strapping described in Sentence (1) and Clause (3)(b) not required?

    <p>When furring strips complying with Table 9.29.3.1. are fastened directly to the joists</p> Signup and view all the answers

    What are the acceptable options for the furring when a ceiling attached to wood furring is specified in Span Table 9.23.4.2.-B?

    <p>19 mm by 89 mm wood furring spaced at not more than 600 mm o.c.</p> Signup and view all the answers

    According to the National Building Code of Canada 2015, which of the following is true about the orientation of studs?

    <p>Studs on the flat are permitted in gable ends of roofs and non-loadbearing interior walls.</p> Signup and view all the answers

    According to the National Building Code of Canada 2015, how should wall studs be spliced?

    <p>Wall studs should be spliced using fingerjoining with a structural adhesive.</p> Signup and view all the answers

    According to the National Building Code of Canada 2015, how should corners and intersections be framed?

    <p>Corners and intersections should be framed with 3 studs.</p> Signup and view all the answers

    According to the National Building Code of Canada 2015, how many studs should be used on each side of an opening where the lintel is more than 3m long?

    <p>Triple studs on each side</p> Signup and view all the answers

    According to the National Building Code of Canada 2015, what is the minimum thickness required for wall plates?

    <p>38 mm</p> Signup and view all the answers

    According to the National Building Code of Canada 2015, how should joints in the top plates of loadbearing walls be staggered?

    <p>Not less than one stud spacing</p> Signup and view all the answers

    Which one of these statements about header joists is correct?

    <p>The size of header joists exceeding 800 mm in length must be determined by calculations.</p> Signup and view all the answers

    What is the minimum size of lumber required for blocking referred to in Sentence (1) for the support of non-loadbearing walls?

    <p>38 mm by 89 mm</p> Signup and view all the answers

    Which one of these statements about loadbearing interior walls parallel to floor joists is correct?

    <p>They must be supported by beams or walls of sufficient strength to safely transfer the specified live loads to the vertical supports.</p> Signup and view all the answers

    What is the maximum stud spacing for an interior wall supporting attic not accessible by a stairway?

    <p>600 mm</p> Signup and view all the answers

    Which one of these statements about loadbearing interior walls at right angles to floor joists is correct?

    <p>They must be located not more than 600 mm from the joist support where the wall supports one or more floors.</p> Signup and view all the answers

    What is the minimum stud size for an exterior wall supporting a roof with or without attic storage?

    <p>38 mm by 89 mm</p> Signup and view all the answers

    Which type of nails are used to tie the top plates in loadbearing walls according to Sentence (4)?

    <p>63 mm nails</p> Signup and view all the answers

    According to Sentence (2), how should joints in single top plates used with loadbearing walls be tied?

    <p>With 63 mm nails</p> Signup and view all the answers

    According to Sentence (5), what type of fasteners should be used in doubled top plate splice connections in braced wall bands when Sa(0.2) is greater than 0.70 but not more than 1.8?

    <p>76 mm nails</p> Signup and view all the answers

    According to Table 9.23.11.4, how many nails are required on each side of a doubled top plate splice for heavy construction when 0.70 < Sa(0.2) ≤ 0.80?

    <p>8</p> Signup and view all the answers

    According to Sentence 9.23.12.3.(2), what is the maximum length that lintels referred to in Sentence (2) shall not exceed?

    <p>2.24 m</p> Signup and view all the answers

    According to Sentence 9.23.13.1, in what locations does this Article apply?

    <p>Locations where the seismic spectral response acceleration is not more than 0.70 and the 1-in-50 hourly wind pressure is less than 0.80 kPa</p> Signup and view all the answers

    According to the National Building Code of Canada 2015, in which locations does Article 9.23.13.2 apply?

    <p>Locations with a seismic spectral response acceleration, Sa(0.2), greater than 0.70 but not more than 1.8 and the lowest exterior frame wall supports not more than 1 floor in buildings of heavy construction</p> Signup and view all the answers

    According to the National Building Code of Canada 2015, in which locations does Article 9.23.13.3 apply?

    <p>Locations with a seismic spectral response acceleration, Sa(0.2), greater than 1.8</p> Signup and view all the answers

    According to the National Building Code of Canada 2015, what are the requirements for bracing to resist lateral loads in locations where Article 9.23.13.3 applies?

    <p>Designed and constructed in accordance with Part 4 or good engineering practice such as that provided in CWC 2014, “Engineering Guide for Wood Frame Construction”</p> Signup and view all the answers

    According to the National Building Code of Canada 2015, what are the requirements for braced wall bands?

    <p>They should be full storey height, not more than 1.2 m wide, lap at both ends with another braced wall band, be aligned with braced wall bands on storeys above and below, and conform to the spacing and dimensions given in Table 9.23.13.5</p> Signup and view all the answers

    According to the National Building Code of Canada 2015, where should braced wall panels be located?

    <p>Within braced wall bands, extending from the top of the supporting footing, slab or subfloor to the underside of the floor, ceiling or roof framing above</p> Signup and view all the answers

    True or false: Article 9.23.13.5 applies in locations where the seismic spectral response acceleration, Sa(0.2), is greater than 0.70 but not more than 1.8 and the 1-in-50 hourly wind pressure is less than 1.20 kPa.

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

    True or false: Bracing to resist lateral loads shall be designed and constructed in accordance with good engineering practice such as that provided in CWC 2014, 'Engineering Guide for Wood Frame Construction.'

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

    True or false: Article 9.23.13.3 applies in locations where the seismic spectral response acceleration, Sa(0.2), is greater than 1.8 or greater than 0.70 and the lowest exterior frame wall supports more than 2 floors in buildings of light construction or more than 1 floor in buildings of heavy construction, or the 1-in-50 hourly wind pressure is equal to or greater than 1.20 kPa.

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

    True or false: Braced wall bands shall be full storey height and not more than 1.2 m wide.

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

    True or false: The perimeter of the building shall be located within braced wall bands.

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

    True or false: Braced wall panels shall be located within braced wall bands, extend from the top of the supporting footing to the underside of the floor above, and conform to the spacing and dimensions given in Table 9.23.13.5.

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

    True or false: The maximum distance between centre lines of adjacent braced wall bands is 10.6 m when 0.70 < Sa(0.2) < 1.0.

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

    True or false: The minimum length of individual braced wall panels is 750 mm when the braced wall panel does not connect to an intersecting braced wall panel.

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

    True or false: The maximum distance from the end of a braced wall band to the edge of the closest required braced wall panel is 2.4 m.

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

    True or false: The minimum total length of all braced wall panels in a braced wall band supporting 2 floors in heavy construction is 40% of the length of the braced wall band.

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

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