S215 unit 7

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Operations in the Wildland/Urban Interface

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S215 unit 7

  1. 1. S-215 Unit 7 Tactics in the Interface Unit 7 - Tactics in the Interface Slide 7-1
  2. 2. S-215 • List items to consider when evaluating the structure’s exterior. • Identify items to address when performing exterior structure preparation. • List tasks to perform when preparing the structure’s interior. • Identify the importance and required tasks to perform after the fire front passes. Unit 7 - Tactics in the Interface Slide 7-2
  3. 3. S-215 • Strategies and tactics are a matter of time available and effort needed to succeed. – Will efforts be most effective to most likely protect one structure or maybe protect several structures? Unit 7 - Tactics in the Interface Slide 7-3
  4. 4. S-215 • Make best decision based on safety, time, and defensibility of structure. • Prepare structure as best as possible in time allowed. • Look for anything out of the ordinary. Unit 7 - Tactics in the Interface Slide 7-4
  5. 5. S-215 • Do you observe? – Combustible roofs and/or siding – Open vents – Open, broken, and/or screenless windows – Open doorways or breezeways Unit 7 - Tactics in the Interface Slide 7-5
  6. 6. S-215 • Do you observe? – Openings to crawl spaces – Decks and eve projections – Other flammable materials adjacent to the structure Unit 7 - Tactics in the Interface Slide 7-6
  7. 7. S-215 • Natural fire breaks – Roads, driveways, Firewise landscaping, trails, or cleared rights-of-way • Tools and materials – – – – Plywood, sheet metal, or boards to cover openings Tools (construction or lawn) Ladders Additional homeowner assets Unit 7 - Tactics in the Interface Slide 7-7
  8. 8. S-215 • Hydrants • Pools, spas, cisterns, a nd tanks • Irrigation, garden hose outlets, sprinklers, po nds, and landscape features Unit 7 - Tactics in the Interface Slide 7-8
  9. 9. S-215 • Create home ignition zone or defensible space. • Remove or trim fuels. • Remove combustibles near structure. • Remove yard accumulation. Unit 7 - Tactics in the Interface Slide 7-9
  10. 10. S-215 • Prepare roofs or decks. • Cover openings. Unit 7 - Tactics in the Interface Slide 7-10
  11. 11. S-215 • Sprinkler Systems – Landscaping or fire suppression • Class A Foam – Wet, fluid, or dry • Fire Gel • Structure Wrap Unit 7 - Tactics in the Interface Slide 7-11
  12. 12. S-215 Unit 7 - Tactics in the Interface Slide 7-12
  13. 13. S-215 • Close windows and any non-flammable window coverings. • Close interior doors. • Turn off fans. • Turn off any liquid petroleum gas sources. • Leave porch lights and electricity on. • Close, but don’t lock, doors. • Leave a note for the homeowner regarding your presence. Unit 7 - Tactics in the Interface Slide 7-13
  14. 14. S-215 • Position in sheltered location out of the way, if possible. • Avoid parking vehicle on top of flammable material. • Close vehicle doors and windows, but do not lock them. Unit 7 - Tactics in the Interface Slide 7-14
  15. 15. S-215 How may this affect your tactics? Unit 7 - Tactics in the Interface Slide 7-15
  16. 16. S-215 • Check the structure for fire at likely ignition points. – Exterior – Interior Unit 7 - Tactics in the Interface Slide 7-16
  17. 17. S-215 • Provide for patrol. • Leave or update information for homeowners. • Leave exterior lights on. • Secure the structure. Unit 7 - Tactics in the Interface Slide 7-17
  18. 18. S-215 South Dakota – West Rim Fire Unit 7 - Tactics in the Interface Slide 7-18
  19. 19. S-215 Location: Black Hills National Forest Date/Time: July 10th 1300 Fuel Type: Ponderosa Pine with intermixed scrub Bur Oak and Aspen/Birch Fuel Models: 2 and 9 Area Conditions: Regional Preparedness Level 3 Forest Preparedness Level 4 Heavy initial attack activity. ERC’s are in the 90th percentile Fuels: 1hrs 4% 10hrs 6% 100hrs 11% 1000hrs 14% Weather: 1300: Predicted: Temp: 89 F RH: 22% Wind: E to SE 5-10 with gusts to 15mph Temp: 97-100 F RH: 10-15% Wind: E to SE 5-15 with gusts to 20mph Synopsis: You are a USFS Engine Captain E-681. You have been dispatched to a smoke report. During your travel time en route you notice on the map that the fire is approximately 1 mile east of Aspen Hills subdivision. A single resource ICT 4 is on scene, he has instructed your engine to report to the subdivision. Unit 7 - Tactics in the Interface Slide 7 - 19
  20. 20. S-215 Click on image to begin animation. Unit 7 - Tactics in the Interface Slide 7-20
  21. 21. S-215 • Fire made a rapid transition from surface fire to single/group tree torching. • What additional resources may be needed? Unit 7 - Tactics in the Interface Slide 7 - 21
  22. 22. S-215 • You arrive in the Aspen Hills Subdivision. The smoke column is building quickly, and you estimate the fire to be 5 acres at this time. • What structure protection tactics will you employ to achieve the overall structure protection strategy? • What might be some of your concerns? Unit 7 - Tactics in the Interface Slide 7 - 22
  23. 23. S-215 Click on image to begin animation. Unit 7 - Tactics in the Interface Slide 7-23
  24. 24. S-215 What constraints or limitations should you be considering? Unit 7 - Tactics in the Interface Slide 7-24
  25. 25. S-215 • 93 acres • The fire jumped road 661.1. How will this change your tactics? • Some residents refuse to evacuate. How do you proceed? Unit 7 - Tactics in the Interface Slide 7 - 25
  26. 26. S-215 Unit 7 - Tactics in the Interface Slide 7-26
  27. 27. S-215 Click on image to begin animation. Unit 7 - Tactics in the Interface Slide 7-27
  28. 28. S-215 • 125 acres • What concerns do you have at this point of the incident? • What additional resources may be needed? Unit 7 - Tactics in the Interface Slide 7 - 28
  29. 29. S-215 Unit 7 - Tactics in the Interface Slide 7 - 29
  30. 30. S-215 Click on image to begin animation. Unit 7 - Tactics in the Interface Slide 7-30
  31. 31. S-215 • Interface fires vary in complexity from a single, uninhabited structure to thousands of occupied primary dwellings. • The strategies and tactics contained in this unit will apply to any interface incident. • Firefighters must maintain vigilance as incidents wind down. Unit 7 - Tactics in the Interface Slide 7-31
  32. 32. S-215 • List items to consider when evaluating the structure’s exterior. • Identify items to address when performing exterior structure preparation. • List tasks to perform when preparing the structure’s interior. • Identify the importance and required tasks to perform after the fire front passes. Unit 7 - Tactics in the Interface Slide 7-32

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