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Preventing Laboratory FiresPreventing Laboratory Fires
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AgendaAgendaFlash over VideoFlash over Video
Laboratory Fire LossLaboratory Fire Loss
Lab Fire RegulationsLab Fire Regulations
Fire Safety EquipmentFire Safety Equipment
General Safety General Safety GuidelinesGuidelines
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TriTri--State Flash over VideoState Flash over Video
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Laboratory Fire LossLaboratory Fire Loss
Structure Fires in LaboratoriesStructure Fires in Laboratories
Annual AverageAnnual Average
$3.5M1702791995-1999
$7.0M2415321980-1994LossInjuriesFatalitiesIncidents
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Laboratory Fire LossLaboratory Fire LossExtent of Flame DamageExtent of Flame Damage
Confined to object of originConfined to object of origin 153 153 55%55%Confined to area of originConfined to area of origin 6565 23.3%23.3%Confined to room of originConfined to room of origin 2929 10.2%10.2%Confined to FireConfined to Fire--ratedratedCompartment of originCompartment of origin 44 1.4%1.4%
Confined to floor of originConfined to floor of origin 55 2.0%2.0%Confined to structure Confined to structure 1818 6.5%6.5%Extended beyond structureExtended beyond structure 55 1.6%1.6%
279279 100%100%
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Laboratory Fire LossLaboratory Fire Loss
Sprinkler PerformanceSprinkler Performance
OperatedOperated 34 34 12.3%12.3%Should have operatedShould have operated 66 2.1%2.1%Fire too smallFire too small 9393 33.4%33.4%None presentNone present 142142 50.7%50.7%OtherOther 44 1.6%1.6%
279279 100%100%
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Laboratory Fire LossLaboratory Fire Loss
Sprinkler PerformanceSprinkler Performance
OperatedOperated 34 34 $ $ ..46M46M 9.5%9.5%
Should have operatedShould have operated 66 $ $ ..65M 13.5%65M 13.5%
Fire too smallFire too small 9393 $ $ ..45M45M 9.4%9.4%
None presentNone present 142142 $3$3..2M2M 65.7%65.7%
OtherOther 44 $ $ ..96M96M 2.0%2.0%279279 $4.82M 100%$4.82M 100%
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UNL Laboratory FiresUNL Laboratory Fires
Hamilton Hall Hamilton Hall September 1992September 1992
BehlenBehlen Laboratory Laboratory 20022002
ManterManter Hall oven Hall oven fire June 2006fire June 2006
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Hamilton HallHamilton Hall
September 1992September 1992Explosion Rm. 619Explosion Rm. 61930 year old Graduate 30 year old Graduate studentstudentSolvent DistillationSolvent Distillation
TetrahydrofuranTetrahydrofuranChloroformChloroformTolueneTolueneAcidAcid
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BehlenBehlen Explosion 2002Explosion 2002Explosion in ventilation Explosion in ventilation hood, no fire or hood, no fire or damage to buildingdamage to buildingOccurred about 5:30 Occurred about 5:30 p.m.p.m.
Nitric AcidNitric AcidSulfuric AcidSulfuric AcidAcetoneAcetone
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ManterManter HallHallFire in baking oven Fire in baking oven 55--3030--0606Fire limited to ovenFire limited to ovenCause:Cause:
DidnDidn’’t follow t follow manufacture manufacture requirements.requirements.Oven too hot for Oven too hot for contents.contents.
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Laboratory Fire Code Laboratory Fire Code RegulationsRegulations
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National Fire Protection National Fire Protection Association (NFPA)Association (NFPA)
NFPA 1 NFPA 1 –– General Protection against Fire General Protection against Fire NFPA 10 NFPA 10 –– Fire ExtinguishersFire ExtinguishersNFPA 30 NFPA 30 –– Flammable and Combustible Flammable and Combustible LiquidsLiquidsNFPA 45 NFPA 45 –– Laboratories using ChemicalsLaboratories using ChemicalsNFPA 70 NFPA 70 –– National Electrical CodeNational Electrical CodeNFPA 101 NFPA 101 –– Life Safety CodeLife Safety Code
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International Fire Code (IFC)International Fire Code (IFC)
International Fire Code is approximately International Fire Code is approximately the same as NFPA 1the same as NFPA 1
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Lab vs. OfficeLab vs. Office
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First StepFirst Step
Review of Current Review of Current Chemicals.Chemicals.
How much of these How much of these Chemicals do I have?Chemicals do I have?
What are the Hazards What are the Hazards of these Chemicals?of these Chemicals?
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Fire Safety EquipmentFire Safety Equipment
Fire SprinklersFire SprinklersFire Alarm SystemsFire Alarm SystemsFire DoorsFire DoorsFire ConstructionFire ConstructionEmergency LightsEmergency LightsExit PathsExit PathsFire ExtinguishersFire Extinguishers
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Fire SprinklersFire Sprinklers
Serviced Annually.Serviced Annually.
Storage 18 inches Storage 18 inches from ceiling.from ceiling.
Non Non -- SprinkleredSprinkleredbuildings 24 inches buildings 24 inches from ceiling.from ceiling.
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Fire AlarmsFire Alarms
Inspected each 6 Inspected each 6 monthsmonthsKeep unobstructedKeep unobstructed
Could Include:Could Include:Manual Pull StationsManual Pull StationsHeat DetectorsHeat DetectorsSmoke DetectorsSmoke Detectors
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Fire Doors: Close/Latch 703.2Fire Doors: Close/Latch 703.2Fire doors and smoke Fire doors and smoke barrier doors shall not barrier doors shall not be blocked or be blocked or obstructed or obstructed or otherwise made otherwise made inoperable.inoperable.
Allowed to have a Allowed to have a magnetic hold open magnetic hold open device.device.
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Fire Door ProtectionFire Door Protection
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Fire Doors at WorkFire Doors at Work
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Fire ConstructionFire Construction
Determined by the Determined by the classification of the classification of the laboratory.laboratory.
Varies depending on Varies depending on Hazards.Hazards.
Penetrations must be Penetrations must be repaired or replaced.repaired or replaced.
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Emergency LightsEmergency Lights
Tested monthly.Tested monthly.
Illuminate path of Illuminate path of egress.egress.
Report damaged Report damaged equipment.equipment.
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Exit SignsExit Signs
Operational and Operational and properly Illuminatedproperly Illuminated
Report damaged Report damaged equipmentequipment
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Exit PathsExit Paths
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Fire ProtectionFire Protection
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General Fire SafetyGeneral Fire Safety
Flammable Liquid Flammable Liquid StorageStorage
Compressed Gas Compressed Gas CylindersCylinders
Heat SourcesHeat Sources
Electrical SafetyElectrical Safety
Ventilation and Ventilation and Vent HoodsVent Hoods
Combustible Combustible StorageStorage
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Flammable Liquid StorageFlammable Liquid Storage
Requirement is based Requirement is based on quantities and on quantities and hazard ranking.hazard ranking.
Located away from Located away from use and Ignition use and Ignition sources.sources.
More is NOT better.More is NOT better.
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Compressed Gas CylinderCompressed Gas Cylinder
Compatibility of Gases
Ignition Sources
Storage of Unused Cylinders
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Heat Sources
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Open FlamesOpen Flames
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Heat SourcesHeat Sources
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HoodsHoods
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Vent HoodsVent Hoods
General VentilationGeneral Ventilation
VS.VS.
Point VentilationPoint Ventilation
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Electrical SafetyElectrical Safety
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Power TapsPower Taps
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Combustible StorageCombustible Storage
Proper Storage
Ceiling Clearance
Electrical or Heat Sources
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Additional HazardsAdditional Hazards
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Fire ExtinguisherFire ExtinguisherPASS MethodPASS Method
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Fire Extinguisher ServiceFire Extinguisher Service
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Classes of FireClasses of Fire
Class A Class A –– Fires are ordinary materials Fires are ordinary materials such as burning paper, lumber, cardboard, such as burning paper, lumber, cardboard, and plastics.and plastics.
Class B Class B –– Fires involve flammable or Fires involve flammable or combustible liquids such as gasoline, combustible liquids such as gasoline, kerosene, and common organic solvents kerosene, and common organic solvents used in the laboratory setting.used in the laboratory setting.
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Classes of FireClasses of Fire
Class C Class C –– Fires involve energized Fires involve energized equipment such as appliances, switches, equipment such as appliances, switches, panel boxes, and power tools. Water can panel boxes, and power tools. Water can be a dangerous extinguishing medium for be a dangerous extinguishing medium for class c fires because of the risk of class c fires because of the risk of electrical shock.electrical shock.
Class D Class D –– Fires involve combustible Fires involve combustible metals, such as magnesium or titanium.metals, such as magnesium or titanium.
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FightFight--oror--Flight Checklist Flight Checklist
The building is being evacuated.The building is being evacuated.
The fire department is being called.The fire department is being called.
The fire is small, contained and not spreading The fire is small, contained and not spreading beyond its starting point.beyond its starting point.
The exit is clear, and you can fight the fire with The exit is clear, and you can fight the fire with your back to the exit.your back to the exit.
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FightFight--oror--Flight ChecklistFlight Checklist
You can stay low and avoid smoke.You can stay low and avoid smoke.
The proper extinguisher is immediately at The proper extinguisher is immediately at hand.hand.
You have read the instructions and know You have read the instructions and know how to use the extinguisher.how to use the extinguisher.
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REVIEWREVIEWFlash over VideoFlash over Video
Laboratory Fire LossLaboratory Fire Loss
Lab Fire RegulationsLab Fire Regulations
Fire Safety EquipmentFire Safety Equipment
General Safety General Safety GuidelinesGuidelines
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Additional InformationAdditional Information
Environmental Heath and Safety (EHS) Environmental Heath and Safety (EHS) (402) 472(402) 472--4925, 4925, [email protected]@unl.eduUniversity of Nebraska Virtual Manual University of Nebraska Virtual Manual http://http://ehs.unl.edu/vmanualehs.unl.edu/vmanual//
State Fire MarshalState Fire Marshal’’s Office (402) 471s Office (402) 471--20272027In Lincoln, Bureau of Fire Prevention In Lincoln, Bureau of Fire Prevention (402) 441(402) 441--77917791
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Hazard of the WeekHazard of the Week
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Questions