801 Incidents involving Silos

Question 1

Hazards to consider

Answer 1

Explosion. 
Entrapment in machinery. 
Falling from height.
Silo contents.
Fire. 
Construction.
Manual handling.
Oxygen limited solos.

Question 2

What is bridging

Answer 2

A phenomenon where a void is hidden by seemingly solid material. Causing FF entrapment

Question 3

During training when may crews enter IN or UNDER a silo

Answer 3

Never

Question 4

Additional resources IC may consider

Answer 4

FRU
Aerial appliance
HMEPO 
SA
RRT

Question 5

When may personnel enter a silo

Answer 5

If there’s an immediate threat of serious injury or loss of life

Question 6

What must be in place before committing personnel into a silo

Answer 6

Tactical adviser/ responsible person advice
Level 2 line
Safety officers briefed
Personnel briefed
Appropriate DIM
Keep crews committed to a minimum
Vehicles/staff prevented from filling contents into silo

Question 7

Minimum rank for crew committed to entering silo

Answer 7

LFF

Question 8

PPE when entering silo

Answer 8

BA

Question 9

When may crews enter a silo without BA?

Answer 9

When atmospheric conditions have been confirmed safe

Question 10

When shutting a silo mechanism off before committing a crew what safety must be in place

Answer 10

FF briefed to stay with mechanism to avoid it being started whilst crews inside.

Question 11

Is the TIC safe in a potentially explosive atmosphere

Answer 11

No. Not intrinsically safe

Question 12

When may FF enter a silo during firefighting

Answer 12

To perform a live rescue

Question 13

Before committing crews to a silo involved in a fire what information sources must they assess

Answer 13

Responsible person
HMEPO 
RRT
SA
Hazard signage