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Flashcards in Silo Deck (14)
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1
Q

A silo can store a wide variety of materials give 4 examples

A
Silage.
Grain.
Powders.
Pellets or crops.
Cement.
Woodchip.
2
Q

A silo may be manufactured from a range of materials give 4 examples of materials

A

Steel.
Aluminium.
Concrete.
Fibreglass.

3
Q

Silo content a silo may create a toxic, flammable, oxygen deficient or explosive atmosphere what could happen by opening up a hatch or door

A

This may create an explosive mixture

4
Q

Silo firefighters should be aware of the contents bridging explain this definition

A

This phenomena is whereby a seemingly solid material is only a bridge over a void the contents have collapsed or have been emptied from below

5
Q

Silo construction the nature of construction makes access and egress from a silo extremely limited what else is virtually non-existent within a silo

A

Natural light.

Ventilation.

6
Q

Oxygen limiting silos or controlled atmosphere silos have a greater risk of what when involved in a fire

A

Backdraught.

Explosion.

7
Q

Can crews enter a working silo or work beneath one during training

A

No under no circumstances

8
Q

Silo when can personnel enter a silo to perform a rescue

A

Personnel must not enter a silo unless there is an immediate threat of serious injury or loss of life

9
Q

What is the minimum rank for leading a crew entering into a silo

A

The crew should be led by a minimum of a leading firefighter

%%%%

10
Q

Where a thermal image camera or a fixed temperature gauge indicates a rapid rise in temperature at a silo the entire contents may be involved what should crews do

A

Withdraw from the hazard area

11
Q

If a silo has a discharge control mechanism it must be in the closed position what must the incident commander do to ensure it remains this way

A

A firefighter must be nominated fully briefed and remain adjacent to the mechanism at all times throughout the incident

12
Q

What may the application of foam or water cause the contents of a silo to do

A

This may cause the content to swell and has the potential to cause structural collapse due to the increase in weight volume and pressure on the internal walls

13
Q

Fires in oxygen limiting silos are rare these pose a greater risk of explosion an alternative method of extinguishment is to do what

A

By taking advice from the on-site responsible person all doors and hatches can be closed to starve the fire of any remaining oxygen

14
Q

Oxygen limiting silos on fire are rare the introduction of water or foam may cause what

A

This may entrain Air and increase the fire intensity or risk of explosion