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Entrapment Avoidance

 

When determining strategy and tactics, avoid situations where firefighters may become entrapped. Consider the following discussion points related to escape routes and safety zones.

  • Discuss the three types of safety zones and describe examples.
    • The burn/black
    • Natural features
    • Constructed sites
  • Discuss the guidelines for size and distance separation to avoid radiant heat injury.
    • Four times the maximum flame height (20 foot-flame height x 4 = 80 foot-radius from firefighters)
    • Size based on amount of resources and equipment
  • Discuss heat impact factors that will affect the guidelines for distance separation.
    • Convection heat from wind and terrain features
    • Location relative to fire spread
    • Reburn potential of fuel in safety zone
  • Discuss how firefighters have a right to know the location of their escape routes and safety zones at all times.
  • Discuss how firefighters have a right to ask for clarification when faced with unclear instructions or fear of the unknown.
  • Describe a basic procedure for identification of effective escape routes and safety zones.
    • Observe
    • Visualize
    • Identify
    • Time
    • Inform
    • Evaluate

 

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NWCG NFES Catalog-Part 1: Fire Supplies and Equipment, PMS 449-1

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References:

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NWCG Incident Position Standards for Helicopter Crewmember, PMS 350-22

NWCG Incident Position Standards for Helicopter Crewmember, PMS 350-22

NWCG Position Task Book for Helicopter Crewmember (HECM), PMS 311-22