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2027 International Fire Code
Chapter 24

IFC 2027

2027 International Fire Code

Chapter 24Flammable Finishes

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Question 1 1.

Floor surfacing or finishing operations must comply with Chapter 24 when using Class I or II liquids in areas exceeding what minimum square footage?

250 square feet
350 square feet
1,000 square feet
500 square feet

Question 2 2.

A flooring contractor is refinishing a 600-square-foot hardwood floor using a Class I finishing liquid. Following application of the flammable liquid, for what minimum time must the building's HVAC system remain shut down?

4 hours
1 hour
8 hours
2 hours

Question 3 3.

During a floor surfacing operation in a commercial building using Class II liquids over an area of 500 square feet, which business condition is strictly prohibited by code?

Allowing trained building maintenance staff inside the structure
Using electric lighting powered from an exterior generator
Conducting operations while the establishment is open to the public
Conducting operations outside normal daylight hours

Question 4 4.

Where containers supply spray nozzles by gravity flow, what is the maximum allowable capacity of each container?

10 gallons
60 gallons
30 gallons
5 gallons

Question 5 5.

When containers supplying spray nozzles do not rest on the floor, how must they be supported according to fire code regulations?

On treated wood frames or metal brackets bolted to studs
On noncombustible supports or suspended by wire cables
Directly cantilevered from approved structural masonry
On heavy timber skids or suspended by natural fiber rope

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