OMS 017 - Emergency Evacuation Signal

Question 1

OMS 017 - Emergency Evacuation Signal
When to transmit?

Answer 1

Transmit an Emergency Evacuation Signal when a situation poses an immediate or likely threat to personnel on the fireground, such as:
- Imminent Structural Collapse
- Bushfire Burn Over
- Landslip
- Uncontrolled release of gas

Question 2

*23/24 exam
OMS 017 - Emergency Evacuation Signal
Who is authorised to initiate?

Answer 2

• Incident Controller
• Ops Officer
• Sector Commander
• Strike Team/Task Force Leader
• Appliance OIC

Question 3

OMS 017 - Emergency Evacuation Signal
When AND How to Issue

Answer 3

Issue an Emergency Evacuation Signal as soon as it is recognised that an immediate danger exists to any fireground personnel. This warning may be given using any of the following:
- Appliance/vehicle horn
- Air horn
- Evacuation Signal Unit (ESU)
- Whistle
- Loud Hailer
- Public address system of appliance/vehicle siren

Question 4

*23/24 exam
OMS 017 - Emergency Evacuation Signal
What is the signal?

Answer 4

• Three short blasts, each for one second duration
• Wait ten seconds and repeat
• Repeat this sequence until all persons are accounted for

Question 5

OMS 017 - Emergency Evacuation Signal
Actions upon hearing a signal

Answer 5

Complete the following actions immediately upon hearing an Emergency Evacuation Signal
- Ensure all other crew members are aware of the signal
- Report to immediate supervisor
- Evacuate to a safe area