Silos and storage tanks

Question 1

How can you reduce the risk of a backdraft in an oxygen limiting silo?

Answer 1

Keep hatches sealed and allow the fire to burn out

Question 2

What hazards may be created by applying water into a grain silo?

Answer 2

The contents may swell causing the silo to collapse

Question 3

What two tools could be used for locating casualties buried in the contents of a silo?

Answer 3

Probing pole and a TIC

Question 4

How might you determine the location and intensity of a fire in a silo from the outside?

Answer 4

External wetting test and TIC

Question 5

What are hazards associated with silos?

Answer 5

dust
confined space
machinery

Question 6

What are the principle hazards associated with an oxygen limiting silo on fire?

Answer 6

Backdraft or explosion

Question 7

what is necessary in addition to isolating power supplies in order to make silo machinery safe?

Answer 7

Putting in measures to prevent the equipment from being re-energised

Question 8

what action is important before making an attempt to rescue a casualty trapped in grain.

Answer 8

stabilise them to stop them sinking further

Question 9

Three types of grain drier in use are?

Answer 9

Bin
Batch
Continuous

Question 10

What is bridging within a silo?

Answer 10

When grain creates a void at the bottom of the silo but appears solid above it. It should not be trusted that it can bear you weight