Salvage and Overhaul 4322'1 through 4322'4

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Salvage and Overhaul4322.1 through 4322.4

• Bob Kernaghan

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Safety Considerations 4322.1

• Dangerous Building Conditions
• Personnel Protection
• Logistics
• Pulling walls and ceilings

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Dangerous Building Conditions

• Weakened floors and stairways
• Weakened steel structural members (500 degrees)
• Decomposed mortar / Chimneys
• Gussets pulled out of wooden truss system
• Roof mounted equipment

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Personnel Protection

• Full PPE
• Use SCBA - Higher levels of toxic gasses than
  during fire
• Pace yourself
• Use fresh crew if possible

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Logistics

• Bring in Lighting
• Holes
• Tripping Hazards
• Stairways
• Any other danger areas
• R R station

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Pulling walls and ceilings

• Make sure area is clear of other people
• Do not pull too much at one time
• Do not pull structural members without
  coordinating with command
• Beware of energized electrical lines and water
  lines in concealed spaces

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Overhaul

• Making buildings and areas safe
• Searching for hidden fires
• Extinguishing hidden fires

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Making Buildings and Areas Safe4322.2

• Carefully inspect for
• Sagging floors or ceilings
• Bulging or cracked walls
• Weakened roofs
• Loose cornices and overhangs

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Securing the Structure

• Weak areas should be put off limits
• Shore or brace unstable walls or ceilings
• Holes in floors or stairways should be barricaded
• Utilities shut off
• Sharp objects mitigate, barricade, warning tape
  (Yellow and Black)

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Securing the Contents

• Stock on weakened shelving
• Overhead hazards
• Weatherproof the structure / contents
• Turn structure over to owners or law enforcement

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Securing the Exterior

• Possible building collapse
• Isolate and deny entry at least 1 ½ times the
  height.
• Remove valuable property within potential
  collapse area.
• Downed Electric Lines
• Minimum 25 exclusion area
• Yellow and Black tape

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Quiz 4322.2

• What must be done before allowing
• occupants to take possession of the
• building?
• Make sure building is safe. Repair or
• mark any hazards at the site.

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• What should you do about an unsafe
• area?
• Make off-limits to personnel
• What should be done with holes in
• floors and stairways?
• Hazard tape and barricade

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• What should you do if you suspect
• damage to utilities?
• Turn off / notify utility companies
• On suspicious fire, what should you do
• before turning the building back to the
• occupants?
• Call for an investigator

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Searching for Hidden Fire4322.3

• Sight
• Peeling paint
• Discoloration
• Smoke from cracks
• Hearing
• Popping or crackling
• Hissing of steam

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• Touch feel with back of hand
• Walls
• Ceilings
• Floors
• Doors
• Instruments
• Heat detectors
• TIC
• Wear SCBA
• Toxic gasses
• Oxygen deficiency

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• Common concealed spaces
• Walls
• Partitions
• Attics
• Cocklofts
• Basements
• False ceilings
• Below floors
• Air shafts
• Elevator shafts
• Pipe chases
• Ducts
• Around merchandise
• Under debris
• In appliances and machinery

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If a Hidden Fire is Suspected

• You must gain entry
• Pulling walls and ceilings
• Resulting damage is minor compared to a rekindle
• Do not cut structural members
• If a burned member extends into an adjacent
  occupancy, check next door
• Remove covering over burned structural members
  until unburned portion is reached

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Quiz 4322.3

• Three senses used to detect hidden fire?
• Sight, Hearing, Touch
• Why wear SCBA
• Toxic gasses, Oxygen deficiency
• What part of hand feels for heat?
• Back of hand
• Give three examples of hidden spaces.
• (Look em up!)

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Extinguishing Hidden Fires4322.4

• Full PPE SCBA
• Hoselines smaller lines OK
• Burning debris
• Dunk smaller items in sink/tub
• Take larger items (mattresses) outside
• Inform investigator before moving
• Take care in dusty environements
• Hay/cotton bales
• Wettng agents
• Heavy equipment to separate

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Quiz 4322.4

• Do not remove SCBA until
• Clear of combustion by-products
• Use _______ handlines in overhaul.
• Smaller
• Before moving items, notify
• Fire investigation
• Upolstered furniture is more easily
• extinguished if you add a
• Wetting agent
• Stirring up a lot of of dust can cause an
• Explosion

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Salvage and overhaul are important
responsibilities of the fire service

• Minimize property loss
• Prevent rekindle
• Mitigate hazards
• Public Relations
• Be safe!
• Tired firefighters get hurt
• Mark and barricade hazards
• Wear PPE
• SCBA

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• Material based on the CDF 4300 training manual.
• The authors of this power point grant permission
  for use in training.