NBC 2015 - Section 3.2

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What is the required thickness for the noncombustible material used to protect the soffit?

0.38 mm (correct)

0.25 mm

0.75 mm

0.5 mm

If an eave overhang is completely separated from the remainder of the attic or roof space by fire blocks, do the requirements for soffit protection apply?

Only for certain types of buildings

Yes

No (correct)

Only if the eave overhang is less than 1 meter

What is the required width for a walkway between buildings?

10 meters

7 meters

9 meters (correct)

8 meters

If a storey classified as Group E or Group F, Division 1 or 2 major occupancy is required to be separated from the storey above by a fire separation, what is the required fire-resistance rating for the canopy projecting from the lower storey?

30 minutes Signup and view all the answers

What is the required fire-resistance rating for a fire separation separating a covered vehicular passageway from a building or part of a building adjoining it?

1.5 hours Signup and view all the answers

Which of the following is NOT permitted for combustible projections on the exterior of a wall?

Roof soffits Signup and view all the answers

Within what distance from a property line or the center line of a public way are combustible projections not permitted?

1.2 m Signup and view all the answers

When are projecting roof soffits not permitted to be constructed above the exposing building face?

When the limiting distance is less than 0.45 m Signup and view all the answers

What is the minimum distance that the face of roof soffits should project from the property line?

0.45 m Signup and view all the answers

What materials can be used to protect roof soffits that project to less than 1.2 m from the center line of a lane or public thoroughfare?

11 mm thick lumber Signup and view all the answers

Which type of construction is suitable for an underground walkway?

Noncombustible construction Signup and view all the answers

Where should smoke barrier doors be installed in an underground walkway?

At intervals of not more than 100 m Signup and view all the answers

What is the maximum allowable width for an underground walkway between buildings?

9 m Signup and view all the answers

What is the maximum allowable travel distance from the door of an adjacent room or space to the nearest exit in an underground walkway?

One and a half times the least allowable travel distance to an exit Signup and view all the answers

Which parts of the National Building Code of Canada should be followed for the location of outdoor storage and outdoor process equipment in relation to buildings?

Parts 3 and 4 of Division B Signup and view all the answers

Which type of glazing can double the maximum area of unprotected openings in an unsprinklered building?

Glass block Signup and view all the answers

Which angle between the plane of an exterior wall of an exit enclosure and the plane of an exterior wall of the building it serves requires protection of the openings in either wall?

Less than 135° Signup and view all the answers

What is the minimum horizontal distance required between unprotected openings in the exterior walls of two fire compartments if the planes of the walls are parallel or at an angle less than 135°?

Greater than Do Signup and view all the answers

In a building where a wall is exposed to a fire hazard from an adjoining roof, how far should the roof be from the exposed wall if the wall contains windows within 3 storeys vertically and 5 m horizontally of the roof?

No skylights within 5 m Signup and view all the answers

When does the requirement for protecting openings in exterior walls of fire compartments not apply in a sprinklered building?

When the building is sprinklered throughout Signup and view all the answers

Which of the following is a requirement for foamed plastic insulation used in an exterior wall of a building more than 3 storeys in building height?

The insulation must be protected by noncombustible material that complies with testing criteria. Signup and view all the answers

What is the maximum permitted area of unprotected openings on the exposing building face, when foamed plastic insulation is used in an exterior wall of a building more than 3 storeys in building height?

Less than 10% of the exposing building face. Signup and view all the answers

What are the criteria for testing and conditions of acceptance for a wall assembly to satisfy the requirements of protecting foamed plastic insulation?

The noncombustible protective material must remain in place without developing through openings visible when viewed normal to the face of the material. Signup and view all the answers

When are the requirements for protecting structural members from exterior fire exposure waived?

When the structural members are 3 m or more from the property line or the centre line of a public thoroughfare. Signup and view all the answers

Under what conditions is an exposing building face in a storage garage permitted to have unlimited unprotected openings?

When the storage garage has a limiting distance of at least 3 m. Signup and view all the answers

According to the National Building Code of Canada 2015, what is the method for calculating the area of an exposing building face?

The area is calculated as the total area of all exterior walls facing in one direction on any side of the building, measured from the finished ground level to the uppermost ceiling. Signup and view all the answers

In a building that is sprinklered throughout and contains an interconnected floor space, how is the area of the exposing building face for the interconnected floor space determined?

By considering each storey as a separate fire compartment, regardless of openings through the floor assemblies. Signup and view all the answers

What type of wall shall be constructed as a firewall according to the National Building Code of Canada 2015?

A party wall. Signup and view all the answers

What is the requirement for closures protecting openings in a wall with a limiting distance less than 1.2 m?

The closures must have a fire-protection rating in conformance with the fire-resistance rating required for the wall. Signup and view all the answers