Fire Safety and Emergency Flashcards

Which factor most increases the speed at which fire spreads through a construction site?

Answer: Presence of large quantities of flammable waste materials

Accumulations of flammable waste such as off-cuts, packaging, and solvents provide abundant fuel and significantly accelerate fire spread.

Under UK/US construction regulations, who is responsible for preparing the fire emergency plan on site?

Answer: The principal contractor or site manager

The principal contractor or site manager is legally responsible for preparing and communicating the site fire emergency plan.

A fire warden's role during an evacuation includes:

Answer: Sweeping their area and directing people to the assembly point

Fire wardens check that their designated area is clear of people and guide workers to the assembly point during an evacuation.

When storing flammable liquids on a construction site, they should be kept in:

Answer: Approved, clearly labeled, sealed containers in a designated flammable store

Flammable liquids must be stored in approved, labeled, sealed containers within a dedicated flammable materials store that meets safety standards.

Which statement about dry powder fire extinguishers is correct?

Answer: They can be used on Class A, B, and C fires but leave harmful residue

Dry powder extinguishers are versatile across fire classes but leave a residue that can damage equipment and reduce visibility, making them less ideal indoors.

What does a continuous ringing of the site alarm typically signify?

Answer: Evacuate immediately

A continuous alarm signal on most construction sites means evacuate immediately via the nearest safe exit to the assembly point.

A 'permit-to-work' system for hot work requires that after the work is completed, a fire watch must be maintained for at least:

Answer: 30 minutes

Industry best practice and most hot work permits require a fire watch for at least 30 minutes after hot work ends, as smoldering can ignite later.