40 Questions
Which standard specifies the characteristics and test methods for polyethylene (PE) pipes used for drainage?
BNQ 3624-115
What is the minimum diameter required for drain tile or pipe used for foundation drainage?
100 mm
What is the minimum depth that the granular material used to drain the bottom of a foundation should be laid beneath the footing of the building?
125 mm
Where should dry wells be located in relation to the building foundation?
Within 5 m
What should be the minimum depth of a sump pit?
750 mm
According to the National Building Code of Canada 2015 Volume 2 Division B, which type of foundation walls are subject to surcharge?
All of the above
What is the minimum compressive strength required for concrete block used in unit masonry construction?
15 MPa
What is the maximum spacing allowed between piers in a building of 1 storey in building height when piers are used as a foundation system?
3.5 m
Which document provides the requirements for wood-frame foundations in Canada?
CSA S406
When are footings required under walls, pilasters, columns, piers, fireplaces, and chimneys?
When the safe loadbearing capacity of the soil or rock is exceeded
According to the National Building Code of Canada 2015, which section applies to subsurface drainage and surface drainage?
Section 9.14.1.1
What are the drainage requirements beneath floors-on-ground according to the National Building Code of Canada 2015?
Section 9.14.2.1
What materials can be used to drain the bottom of exterior foundation walls according to the National Building Code of Canada 2015?
Both drainage tile or pipe and gravel or crushed rock
What is the purpose of extending insulation or backfill to the footing level adjacent to the exterior surface of a foundation wall?
To facilitate the drainage of ground water to the foundation's drainage system
What limitation should be followed when using crushed rock as backfill adjacent to the exterior surface of a foundation wall?
The crushed rock should be limited to a concentration that will not damage the building or its stability
According to the National Building Code of Canada 2015, which of the following conditions would cause the portion of a foundation wall beneath an opening to be considered laterally unsupported?
The opening is more than 1.2 m wide
For the purposes of Sentence (3) in the National Building Code of Canada 2015, how is the combined width of multiple openings in a foundation wall considered?
The combined width is considered as a single opening
According to the National Building Code of Canada 2015, when are flat insulating concrete form foundation walls considered to be laterally supported at the top?
When the floor joists are installed
According to the National Building Code of Canada 2015, what is the maximum width of an opening in a foundation wall that would not cause the portion of the wall beneath it to be considered laterally unsupported?
1.2 m
According to the National Building Code of Canada 2015, how is the total width of the openings in a foundation wall calculated?
By averaging the widths of all the openings
According to the National Building Code of Canada 2015, what is the maximum height of finished ground above the basement floor or crawl space ground cover for solid concrete foundation walls with a minimum strength of 15 MPa, that are laterally unsupported at the top?
250 m
For reinforced concrete block foundation walls with a maximum height of finished ground above the basement floor or crawl space ground cover of 2.5 m, what is the required reinforcement?
1-15M at 1 800
In concrete block walls required to be reinforced, where should continuous horizontal bond beams containing vertical reinforcement be installed?
Along the top of the wall
When are foundation walls considered to be laterally supported at the top?
All of the above
What type of reinforcement should be installed in the bed joint of every second masonry course in concrete block walls required to be reinforced?
Ladder-type reinforcement
According to the National Building Code of Canada 2015, which of the following conditions must be met for the provisions in Section 3.4 to 9.15.3.7 to apply to footings?
The footings support foundation walls of masonry, concrete, or flat insulating concrete form walls
In buildings with light wood-frame walls, floors, and roofs, how should footing widths be determined when the supported joist span exceeds 4.9 m?
Using the formula W = minimum footing width, w = minimum width of footings supporting joists not exceeding 4.9 m, Σ sjs = sum of supported joist spans on each storey, storeys = number of storeys supported by the footing
What is the minimum footing width for walls when a foundation rests on gravel, sand, or silt with a water table level below the width of the footings below the bearing surface?
Twice the width required by Sentences (1) and (2) and Articles 9.15.3.5 and 9.15.3.6
By how much should the strip footing widths for exterior walls be increased for each storey of masonry veneer over wood-frame construction supported by the foundation wall?
65 mm
What is the minimum strip footing width for interior non-loadbearing masonry walls up to 5.5 m high?
200 mm
True or false: Unless the wall around an opening is reinforced to withstand earth pressure, the portion of the foundation wall beneath an opening shall be considered laterally unsupported if the opening is more than 1.2 m wide.
True
True or false: Unless the wall around an opening is reinforced to withstand earth pressure, the portion of the foundation wall beneath an opening shall be considered laterally unsupported if the total width of the openings in the foundation wall constitutes more than 25% of the length of the wall.
True
True or false: For the purposes of Sentence (3), the combined width of the openings shall be considered as a single opening if the average width is greater than the width of solid wall between them.
True
True or false: Flat insulating concrete form foundation walls shall be considered to be laterally supported at the top if the floor joists are installed according to Article 9.20.17.5.
True
True or false: The National Building Code of Canada 2015 Volume 2 Division B applies to subsurface drainage and surface drainage.
False
True or false: Reinforced concrete block foundation walls with a maximum height of finished ground above the basement floor or crawl space ground cover of 2.5 m require a minimum reinforcement.
True
True or false: The minimum footing width for walls when a foundation rests on gravel, sand, or silt with a water table level below the width of the footings below the bearing surface is specified in the National Building Code of Canada 2015.
True
True or false: The combined width of multiple openings in a foundation wall is considered for the purposes of Sentence (3) in the National Building Code of Canada 2015.
True
True or false: The maximum width of an opening in a foundation wall that would not cause the portion of the wall beneath it to be considered laterally unsupported is specified in the National Building Code of Canada 2015.
False
True or false: Crushed rock can be used as backfill adjacent to the exterior surface of a foundation wall without any limitations.
False
Quiz: Understanding Building Code Requirements for Footings Test your knowledge of building code requirements for footings with this quiz. This quiz covers specific sections (3.4. to 9.15.3.7) that apply to footings in various scenarios, including supporting foundation walls, above-ground walls, and floors/roofs. See if you can correctly answer questions about span limitations, live load specifications, and more.
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