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STRUCTURAL COLLAPSE AWARENESS FEMA COMPLIANT
The document outlines training objectives for structural collapse rescue awareness, emphasizing familiarity with building systems, collapse patterns, and hazards. It discusses operational capabilities and necessary protective equipment, alongside the importance of swift rescue efforts to save trapped victims while minimizing risks. Key performance aspects of various building types and their characteristics, as well as potential hazards, are summarized for effective incident management.
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STRUCTURAL COLLAPSE AWARENESS FEMA COMPLIANT
- 1. PREVIEW OF STRUCTURAL COLLAPSE RESCUE AWARENESS BRAVETRAINING SOLUTIONS WWW.BRAVETRAINING.COM Copyright 2019 R11 V1
- 2. CLASS OBJECTIVES Student willbecome familiar with Introduction to structural collapse response Building systems & redundancy Building types & characteristics Causes of collapse Collapse patterns Collapse hazards FEMA US&R Marking System
- 3. NFPA 1670 Standard onOperations & Training for Technical Rescue Incidents Includes Urban Search & Rescue Operations Identify & establish levels of operational capability for safe & effective operations at technical rescue incidents
- 4. NFPA 1670 The purposeis to specify minimum job performance requirements for service as a rescuer in an emergency response agency
- 5. NFPA 1670 LEVELSOF CAPABILITY Awareness Size-up, Site control, Scene management, Hazard identification, Basic search & removal of readily accessible victims
- 6. THEME OF US&R Tosave trapped victims while minimizing the risk to victim as well as the US&R Forces Survival vs Time of Extrication 1 hour 95% 1 day 82% 2 days 37% 3 days 34% 4 days 19% 5 days 7% With explosions times may be shorter
- 7. PPE May consist of Ratedhelmet Gloves Eye & ear protection Safety boots Respiratory protection Long sleeved protective clothing Knee pads FEMA Photo
- 8. COLLAPSE WARNING SIGNS Smokeor water coming through joints Racked or twisting structure Missing, damaged, or strained connection points
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- 10. W2 WOOD FRAMEAPARTMENTS 1 2 1 2x wood joist at roof/floors with 1x wood sheathing or plywood (post 1945) 2 Wood studs, platform framed with wood sheathing 1x horizontal pre 1935 1x diagonal pre 1945 Post 1945 plywood, gypsum, or wire
- 11. URM TYPE CHARACTERISTICS Typicaloccupancies Residential, commercial, & industrial Key performance aspects Brittle with little capacity to resist unanticipated loads Numerous interior walls may prevent floor collapse
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- 13. DESTRUCTIVE WINDSTORMS Tornadoes Violent vorticesoriginating over land, usually created by colliding air masses May be up to 1 mile in diameter Winds up to 300 mph Photo by Good Free Photos
- 14. BUILDING EXPLOSION Photo byWilliam Murphy
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- 16. VEE VOIDS Occurs wheninterior support fails More common in decay/overload column (URM, Heavy, Floor, & PC Concrete)
- 17. IDENTIFICATION PROBLEMS Judgments cannot be precise Partially collapsed structures difficult Collapsed structure has come to rest, but it is now weaker & more disorganized than original structure Earthquake may have caused partial collapse, but building remainder may be weakened & ready to collapse in aftershock Structures can collapse in aftershocks
- 18. KEY LEARNING POINTS Cracksin reinforced concrete & URM create an opportunity to monitor structures Potential hazards have been summarized for each of the five main types of buildings Light frame, heavy wall, heavy floor, precast concrete, & steel frame Become familiar with these summaries in the StS FOG
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- 21. SEARCH ASSESSMENT MARK Modifiedmark for incomplete search
- 22. FOR FURTHER INFORMATION GOTO LINK BELOW STRUCTURAL COLLAPSE AWARENESS