IFC Building Codes & Standards 3

Question 1

The 'T' rating in a UL-listed firestop system limits the temperature rise on the unexposed side to no more than how many degrees Fahrenheit above ambient?

Accepted Answer

325°F

Answer

The T rating limits the temperature rise on the unexposed side of a firestop to 325°F (163°C) above ambient temperature after 1 hour of fire exposure.

Question 2

Which organization publishes the Fire Resistance Directory that lists tested and classified firestop systems?

Accepted Answer

UL (Underwriters Laboratories)

Answer

UL publishes the Fire Resistance Directory, which contains classified firestop system designs tested under ASTM E814/UL 1479.

Question 3

When a firestop system is installed where no tested design exists, what alternative compliance method does IBC Section 104.11 allow?

Accepted Answer

Alternative materials and methods approved by the building official

Answer

IBC Section 104.11 permits alternative materials, design, and methods of construction with approval from the building official who must find equivalency to code intent.

Question 4

According to IBC Section 713, a smoke barrier must extend from which boundary to which boundary?

Accepted Answer

From the floor to the underside of the floor or roof deck above

Answer

IBC Section 713 requires smoke barriers to extend from the floor slab to the underside of the floor or roof deck above, ensuring no gaps for smoke travel.

Question 5

ASTM E2307 is the standard test method for evaluating which specific type of firestop application?

Accepted Answer

Linear gap firestop systems at perimeter fire containment

Answer

ASTM E2307 is the standard test method for determining fire endurance of perimeter fire containment systems (curtain wall/floor slab linear gaps).

(IFC) International Firestop Council Premier Certificate Practice Test

(IFC) International Firestop Council Premier Certificate Practice Test

IFC Building Codes & Standards 3