NBC 2015 Section 3.1 - 03

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Which type of ceiling assembly is permitted to be penetrated by openings leading into ducts within the ceiling space?

A membrane ceiling

What material should the ducts be made of in order to penetrate a membrane ceiling?

Sheet steel

Which article should a ceiling assembly used as a plenum conform to?

Article 3.6.4.3

What should be prevented in relation to firewalls?

<p>Firewall collapse</p> Signup and view all the answers

What should the connections and supports for structural framing members comply with in relation to firewall collapse prevention?

<p>Permitted by Sentence (2)</p> Signup and view all the answers

Where should a fire damper be installed?

<p>In the plane of the fire separation</p> Signup and view all the answers

What type of device should a fire damper be arranged to close automatically upon?

<p>A fusible link conforming to ULC-S505</p> Signup and view all the answers

Where should a heat-actuated device be located?

<p>Where it is readily affected by an abnormal rise in temperature in the duct</p> Signup and view all the answers

Where should smoke dampers and combination smoke/fire dampers be configured to close automatically upon a signal from an adjacent smoke detector?

<p>On both sides of the air-transfer opening</p> Signup and view all the answers

What is the maximum fire-protection rating permitted for a door used as a closure in a fire separation?

<p>20 min</p> Signup and view all the answers

Which type of ducts are permitted to have the requirement for smoke dampers waived?

<p>All of the above</p> Signup and view all the answers

Under what conditions can the requirement for smoke dampers be waived for ducts that serve commercial cooking equipment?

<p>Both a) and b)</p> Signup and view all the answers

What is the maximum cross-sectional area allowed for noncombustible branch ducts that penetrate a fire separation?

<p>0.013 m2</p> Signup and view all the answers

In which direction should the airflow be in exhaust duct risers that penetrate a fire separation?

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

Where should individual ducts exhaust to if the fire separation separates a vertical service space from the remainder of the building?

<p>To the outdoors at the top of the vertical service space</p> Signup and view all the answers

Which type of closure is a hold-open device permitted to be used on in a required fire separation?

<p>Door for a vestibule required by Article 3.3.5.7.</p> Signup and view all the answers

When a building is provided with a fire alarm system, how should a hold-open device release in a single-stage system?

<p>Upon any signal from the fire alarm system</p> Signup and view all the answers

In what situations should a hold-open device release upon a signal from a smoke detector connected to the fire alarm system?

<p>On a door required to function as part of a smoke control system</p> Signup and view all the answers

When should a hold-open device release if the building is not provided with a fire alarm system?

<p>Upon a signal from a smoke alarm located on each side of the fire separation at ceiling level within 1.5 m horizontally of the closure opening</p> Signup and view all the answers

In what type of occupancy is a hold-open device used on a door located between a corridor used by the public and an adjacent sleeping room not required to release automatically?

<p>Treatment occupancy</p> Signup and view all the answers

Which type of cables are permitted to penetrate a fire separation without being incorporated in the assembly at the time of testing?

<p>Combustible totally enclosed raceways</p> Signup and view all the answers

Under what condition are noncombustible outlet boxes permitted to be waived when penetrating a vertical fire separation or a membrane forming part of an assembly required to have a fire-resistance rating?

<p>If the annular space between the membrane and the noncombustible electrical outlet boxes does not exceed 3 mm</p> Signup and view all the answers

What is the requirement for the separation of outlet boxes on opposite sides of a vertical fire separation with a fire-resistance rating?

<p>A fire block conforming to Article 3.1.11.7</p> Signup and view all the answers

What is the requirement for combustible sprinkler piping to penetrate a fire separation?

<p>The fire compartments on each side of the fire separation must be sprinklered</p> Signup and view all the answers

When is combustible drain, waste and vent piping permitted to penetrate a fire separation or a membrane that forms part of an assembly required to have a fire-resistance rating?

<p>When the piping is sealed at the penetration by a fire stop with an F rating not less than the fire-resistance rating required for the fire separation</p> Signup and view all the answers

According to the National Building Code of Canada 2015, what is the maximum area of wired glass allowed in a door?

<p>The maximum area of wired glass in a door is determined by Table 3.1.8.17.</p> Signup and view all the answers

Under what conditions are the temperature rise limits and glass area limits waived for a closure between an exit enclosure and an enclosed vestibule or corridor?

<p>All of the above.</p> Signup and view all the answers

What type of fire stop is required to seal penetrations of a fire separation or a membrane forming part of an assembly required to have a fire-resistance rating?

<p>A fire stop with an F rating not less than the fire-protection rating required for closures in the fire separation.</p> Signup and view all the answers

Are fire dampers required to meet the fire stop requirements when penetrating a fire separation or a membrane forming part of an assembly required to have a fire-resistance rating?

<p>No, fire dampers are exempt from the fire stop requirements.</p> Signup and view all the answers

Under what conditions are pipes, ducts, electrical outlet boxes, and other similar service equipment permitted to be noncombustible when penetrating an assembly required to have a fire-resistance rating?

<p>When the assembly was tested incorporating that service equipment.</p> Signup and view all the answers

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