FSD Building Codes & Safety Standards 5

Question 1

Which edition of NFPA 90A is most commonly adopted by jurisdictions referencing the 2021 IBC?

Accepted Answer

NFPA 90A-2018

Answer

The 2021 IBC references NFPA 90A-2018 as the standard for installation of air-conditioning and ventilating systems.

Question 2

Under NFPA 90A, what is required when a fire damper is installed in a location that is inaccessible after construction?

Accepted Answer

An access door or panel must be provided before the space is closed in

Answer

NFPA 90A requires that access doors or panels be installed before construction closes in a fire damper, ensuring future inspection and maintenance access.

Question 3

Which IBC table identifies the fire-resistance rating requirements for shaft enclosures based on the number of stories connected?

Accepted Answer

Table 707.4

Answer

IBC Table 707.4 specifies the fire-resistance rating of shaft enclosures based on the number of stories the shaft connects.

Question 4

What is the key difference between a 'fire partition' and a 'fire barrier' under the IBC regarding damper requirements?

Accepted Answer

Fire partitions have lower fire-resistance ratings and may have different damper exceptions than fire barriers

Answer

Fire partitions typically have lower ratings (1-hour) than fire barriers (1-2+ hours) and the IBC provides different sets of exceptions for each assembly type.

Question 5

According to NFPA 80, what additional requirement applies when a fire door is installed adjacent to a fire damper in the same opening?

Accepted Answer

The fire door and damper must be listed as a unit assembly

Answer

When a fire door and fire damper are installed in the same opening, NFPA 80 requires them to be tested and listed as a combined unit assembly.

(FSD) Fire and Smoke Damper Certification Practice Test

(FSD) Fire and Smoke Damper Certification Practice Test

FSD Building Codes & Safety Standards 5