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Fire Safety Training. Environmental and Occupational Health Support Services Wentworth House, Room 115 Ext 24352. The Fire Triangle. All three elements are needed to start a fire. To extinguish a fire, one side must be removed. Oxygen. Heat. Chemical Reaction. Fuel. Types of Fuel.

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Presentation Transcript
fire safety training

Fire Safety Training

Environmental and Occupational

Health Support Services

Wentworth House, Room 115

Ext 24352

the fire triangle
The Fire Triangle

All three elements are needed to start a fire. To extinguish a fire, one side must be removed.

Oxygen

Heat

Chemical Reaction

Fuel

types of fuel
Types of Fuel

Regular Flammables – paper, wood

Liquid Flammables – Gasoline, paint thinner

Electrical – Anything that is plugged in

Metals – Potassium, sodium. Typically found in a lab setting.

types of extinguishers
Types of Extinguishers

Three main types

Water (APW)– Class A fires only

CO2 – Class B and C fires only

Dry Chemical - For ABC or BC fires

D class extinguishers are typically specific to the fuel

slide5

SMOKE

  • Extremely Toxic
  • Spreads Rapidly
  • Displaces Oxygen
  • People Become:
    • disoriented
    • impaired
    • blinded
    • confused
using the extinguisher
Using the Extinguisher

P.A.S.S.

P

A

S

S

ull the pin

im at the base

queeze the lever

weep from side to side

slide7

EVACUATION

  • Leave the building immediately!
  • Testing is posted on a yellow sign at your main entrance.
  • You will see fire wardens identified by a bright orange vest. Follow their direction and report any pertinent information.
  • Re-Entry is authorized by the Fire Department only. Be Certain the building as been cleared for entry.
static electricity
Static Electricity

Static Electricity may become a serious hazard if:

  • A static electric charge is generated under the operating conditions
  • The charge is accumulative
  • Discharges will cause a spark
  • There is an ignitable mixture (e.g., solvent vapour or dust in the air) in the area where a static electricity discharge occurs
  • The discharge generates an incendive spark, i.e. a spark that has enough energy to ignite the mixture in air

Where a solvent or fuel is used, then static electricity can be a fire / explosion hazard

http://www.ccohs.ca/oshanswers/prevention/flammable_static.html

static electricity cont d
Static Electricity cont’d
  • Flammable and combustible liquids become hazardous depending on
    • their ability to generate static electricity,
    • their ability to conduct electricity (conductivity),
    • and their flashpoint.
  • Ignition sources:
    • Sparks
      • Electric tools
      • Welding/Cutting
      • Grinding/Crushing
      • Rotating belts
    • Open Flames
      • Portable torches
      • Heating units
      • Boilers & Pilot lights
      • Ovens & Driers

www/ccohs.ca/oshanswers/prevention/flammable_static.html

bonding and grounding
Bonding and Grounding

Defined: Providing an electrically conductive pathway between a dispensing container, a receiving container, and an earth ground.

Complete Bonding and Grounding System

http://www.labsafety.com/refinfo/ezfacts/ezf255.htm

bonding and grounding11
Bonding and Grounding
  • Liquids with a flash point lower than 37.8 °C need to be bonded and grounded during dispensing.
  • If the containers are not properly bonded and grounded, the resulting static spark could be capable of raising the flash point, causing an explosion.
  • Electric charges can build up in flammable liquids when the liquids flow through piping systems or when they are agitated in their storage containers as a result of mechanical movement or splashing.
  • The proper bonding and grounding of the piping system is enough to control this static build-up.

http://www.gov.mb.ca/labour/safety/pdf/staticsituations.pdf

http://www.labsafety.com/store/dept.asp?dept_id=5688

how to stay safe
How to Stay Safe
  • Reduce flow rates
  • Avoid splashing in tank
  • Allow for “relaxation” time
  • Check that bonding and grounding cables/clamps/conductors are in good condition

http://www.ccohs.ca/oshanswers/prevention/flammable_static.html

recent fires on campus
Recent Fires on Campus

Lab Fire 2005/04/04

questions
Questions??

Contact us at ext. 24352

Visit us at Wentworth House room 115

Visit us at our website

www.workingatmcmaster.ca/eohss

Safety is No Accident