NBC 2015 -Section 3.4

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What is the maximum slope of a ramp for an exterior ramp?

1 in 8

1 in 12

1 in 10 (correct)

1 in 6

According to the National Building Code of Canada 2015, what is the minimum width of ramps, stairs, and doorways serving patients' or residents' sleeping rooms?

650 mm

1,000 mm

900 mm (correct)

100 mm

What is the maximum slope of a ramp for an industrial occupancy?

1 in 10

1 in 6 (correct)

1 in 8

1 in 12

According to the National Building Code of Canada 2015, what is the maximum number of storeys that a Group B, Division 3 occupancy can have if it serves more than 10 residents?

2 Signup and view all the answers

What is the maximum slope of a ramp for all other occupancies?

1 in 8 Signup and view all the answers

According to the National Building Code of Canada 2015, what is the minimum headroom clearance required for doorways?

2,030 mm Signup and view all the answers

What is the minimum run between successive steps for stairs, except for dwelling units and fire escapes?

280 mm Signup and view all the answers

According to the National Building Code of Canada 2015, what is the minimum fire-resistance rating required for exit separations?

45 min Signup and view all the answers

What is the maximum rise between successive treads for steps in stairs referred to in Sentence (1)?

180 mm Signup and view all the answers

According to the National Building Code of Canada 2015, under what conditions is an exit from a floor area permitted to lead through a lobby?

If the adjacent rooms contain a care, residential, or industrial occupancy Signup and view all the answers

When are exit stairs required to have cumulative width?

When serving interconnected floor space Signup and view all the answers

What is the minimum area of treads and landings required for each occupant of the interconnected floor space, in order for the stairs to not require cumulative width?

0.3 m2 Signup and view all the answers

What is the maximum contribution of each exit towards the required exit width when multiple exits are required?

One half Signup and view all the answers

Which table in the text provides the minimum widths of exit corridors, passageways, ramps, stairs, and doorways for Group A, Group B, Division 1, and Groups C, D, E, and F occupancies?

Table 3.4.3.2.-A Signup and view all the answers

What is the minimum width of exit corridors for Group B, Division 2, and Division 3 occupancies?

900 Signup and view all the answers

According to the National Building Code of Canada, which type of occupancy requires an exit sign with an arrow indicating the direction of egress when no exit is visible?

Group A or B major occupancy Signup and view all the answers

In which types of occupancies should an exit sign be placed over or adjacent to every egress doorway from rooms with an occupant load of more than 60?

Group A, Division 1 occupancies Signup and view all the answers

What is the maximum vertical rise of stairs allowed between floors or landings in a building more than 2 storeys in height?

3.7 m Signup and view all the answers

How wide should a landing be in a straight stairway or a stairway that turns less than 90°?

1 100 mm Signup and view all the answers

How many handrails should be provided on curved flights of stairs?

One Signup and view all the answers

Which of the following is NOT a requirement for an exterior exit passageway?

The passageway must have a fire-resistance rating. Signup and view all the answers

Which of the following is NOT permitted to open onto a lobby?

Fire separations with a fire-resistance rating Signup and view all the answers

Which of the following is NOT a permitted opening in a fire separation that separates an exit from the remainder of the building?

Fuel-fired appliances Signup and view all the answers

Which of the following is NOT a requirement for an exit sign?

Conformance to ISO 7010 for specific symbols Signup and view all the answers

Which of the following is NOT a requirement for circuitry serving lighting for externally and internally illuminated exit signs?

Being constructed in conformance with CSA C22.2 No. 141 Signup and view all the answers

According to the National Building Code of Canada 2015, which of the following is true about handrails on stairs, aisles with steps, and ramps?

The height of handrails shall be measured vertically from the top of the handrail to the surface of the ramp, floor, or landing served by the handrail. Signup and view all the answers

According to the National Building Code of Canada 2015, what is the minimum and maximum outside diameter for handrails with a circular cross-section?

Not less than 30 mm and not more than 43 mm Signup and view all the answers

According to the National Building Code of Canada 2015, what is the minimum and maximum perimeter for handrails with a non-circular cross-section?

Not less than 100 mm and not more than 125 mm Signup and view all the answers

According to the National Building Code of Canada 2015, what is the minimum and maximum height for handrails on stairs, aisles with steps, and ramps?

Not less than 865 mm and not more than 1 070 mm Signup and view all the answers

According to the National Building Code of Canada 2015, when are handrails required to be continuously graspable throughout their length?

On a ramp and a flight of stairs, from the bottom riser to the top riser Signup and view all the answers