FSD Building Codes & Safety Standards 3

Question 1

What UL standard covers smoke dampers used in HVAC systems?

Accepted Answer

UL 555S

Answer

UL 555S is the standard for Leakage Rated Dampers for Use in Smoke Control Systems (smoke dampers).

Question 2

According to NFPA 90A, what is the maximum time allowed for a fire damper to close upon fusible link activation?

Accepted Answer

The damper must close within the time established by its UL listing

Answer

NFPA 90A requires fire dampers to close within the time established by their UL listing, which defines the performance standard.

Question 3

In which building type does the IBC exempt duct penetrations of fire partitions from requiring fire dampers when the duct is constructed of steel?

Accepted Answer

Sprinklered buildings where ducts serve only one fire area

Answer

The IBC allows an exception to fire dampers at fire partitions in sprinklered buildings when the duct serves only one fire area and is constructed of steel.

Question 4

What organization publishes the Mechanical Code that also contains provisions for fire and smoke dampers?

Accepted Answer

ICC (International Code Council)

Answer

The International Mechanical Code (IMC), published by the ICC, contains provisions for fire and smoke damper installation.

Question 5

How does NFPA 101 (Life Safety Code) classify a smoke barrier compared to the IBC?

Accepted Answer

NFPA 101 uses the term 'smoke barrier' but applies it only to healthcare

Answer

NFPA 101 uses 'smoke barrier' primarily in the context of healthcare and other institutional occupancies with specific separation requirements.

(FSD) Fire and Smoke Damper Certification Practice Test

(FSD) Fire and Smoke Damper Certification Practice Test

FSD Building Codes & Safety Standards 3