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Multiphase Study on Fire Fighter Safety and the Deployment of Resources

Multiphase Study on Fire Fighter Safety and the Deployment of Resources. Residential Fireground Field Experiments. NIST Technical Note 1661 Issued April 2010. Agenda. Project Overview Experiment Methodology Experiment Results Utilizing the Findings. Project Objectives.

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Multiphase Study on Fire Fighter Safety and the Deployment of Resources

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  1. Multiphase Study on Fire Fighter Safety and the Deployment of Resources • Residential Fireground • Field Experiments NIST Technical Note 1661 Issued April 2010

  2. Agenda Project Overview Experiment Methodology Experiment Results Utilizing the Findings

  3. Project Objectives Optimize a fire service leader’s capability to deploy resources to prevent or mitigate adverse events that occur in a risk/hazard filled environment. www.firereporting.org

  4. Project Objectives View in Windows Media Player View in Adobe Flash Player If the video does not open, please download the Windows Media Player or the Adobe Flash Player.

  5. Residential Fireground Experiment Part 1 – Design appropriate fuel load Part 2 – Fireground tasks experiments Part 3 – Enhanced fuel load Part 4 – Fire modeling

  6. Part I: The Live Fire • NFPA 1403 compliance: • Fuel package characterized by full scale compartment tests at NIST (NIST FR 4022) for desired size and repeatability • Fire: Four pallets with excelsior for simulated interior/exterior environmental conditions

  7. Part II: Time to Task Tests Burn Room Burn Room

  8. Part II: Time to Task Tests • Response: • 3 Engines, 1 Truck, 1 Battalion Chief, 1 Aide • Crew sizes: 2, 3, 4, 5 10 14 18 22

  9. Part II: Time to Task Tests • Experiments: • Total of 24 experiments on 22 fireground tasks • 2 scenarios for each crew size • Close stagger • One-minute ladder truck lag • One-and-a-half minutes lag for each subsequent engine • Far stagger • Two-minute ladder truck lag • Two-and-a-half minutes lag for each subsequent engine • Each scenario ran in triplicate

  10. Part II: Time to Task Tests

  11. Part II: Time to Task Tests View in Windows Media Player View in Adobe Flash Player If the video does not open, please download the Windows Media Player or the Adobe Flash Player.

  12. Results: Time to Task Tests Time (hr: min: sec)

  13. Results: Time to Task Tests View in Windows Media Player View in Adobe Flash Player If the video does not open, please download the Windows Media Player or the Adobe Flash Player.

  14. Part III: Room & Contents Fire • Focus areas • Structural Tenability • CO, CO2, O2 • Temperature • Smoke obscuration • Impact on Victim Rescue • Fire Growth Rate • Arrival Time • Early arrival • Late arrival • Fuel Package • Living room configuration • Sufficient for flashover • Total of 16 experiments

  15. Part III: Room & Contents Fire

  16. Part III: Room & Contents Fire • Tasks Causing Fire Behavior Change • Forced entry of the front door • Water on fire • Second floor burn room window ventilated • Second floor front window, near corner ventilated • Second floor front window, near front door ventilated • First floor window beside the fire ventilated • First floor window #2 self-ventilated at flashover • NFPA 1403 Compliance • Ventilation performed from outside • Suppression performed via remote monitor

  17. Part IV: Fire Modeling NIST Fire Dynamics Simulator (FDS) Slow growth rate fire Medium growth rate fire Fast growth rate fire

  18. Results: Parts III and IV View in Windows Media Player View in Adobe Flash Player If the video does not open, please download the Windows Media Player or the Adobe Flash Player.

  19. Results: Parts III and IV Approximate heat release for flashover in the 12’ x 16’ x 8’ burn room

  20. Utilizing the Findings Understand the Report Based on Science Education is Key Tailor Presentation to Your Audience Customize Use of Data Remember the Goal

  21. Questions or Comments

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