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• Overloaded Circuits: Using multiple devices on a single circuit can cause overheating and can be a potential cause
to fires.
• Heaters: Improper use or placement of heaters can ignite nearby materials.
Combustible and flammable materials
Safety hazards related to combustible and flammable materials include:
• Improper Storage: Flammable liquids, gases, or solids, stored improperly, can lead to fires, if ignited.
• Combustible Dust: Accumulation of fine particles from wood, metal, or chemicals can ignite and cause explosions
or fires.
Fire Prevention
Fire prevention measures are critical to maintain a safe workplace environment. Here are detailed guidelines to
prevent fires effectively:
• Education and Training: Regularly train employees on fire prevention practices, emergency procedures, and the
proper use of fire extinguishers. Conduct regular fire drills to ensure all employees are familiar with evacuation
routes and procedures.
• Workplace Housekeeping: Keep work areas free from clutter that could fuel a fire. Store flammable materials in
designated areas away from ignition sources.
• Electrical Safety: Regularly inspect and maintain electrical equipment to prevent malfunctions that could cause
fires. Ensure that power outlets are not overloaded with multiple devices. Use extension cords properly and avoid
running them under carpets or through doorways where they could get damaged.
• Proper Handling of Flammable Materials: Clearly label flammable materials and store them in appropriate
containers and storage areas. Maintain Safety Data Sheets for all hazardous materials and ensure employees know
how to access and understand them.
• Fire Safety Equipment: Ensure fire extinguishers are available, accessible, and inspected regularly. Train employees
on their use. Install and maintain smoke detectors and fire alarm systems. Test them regularly to ensure they are
functioning correctly.
• Emergency Exits and Evacuation Plans: Keep all emergency exits unobstructed and marked. Develop and post clear
evacuation plans. Ensure all employees are familiar with these plans. Designate and communicate safe assembly
points where employees should gather after evacuating.
• Regular Inspections and Audits: Conduct regular fire safety audits to identify and address potential hazards. Perform
routine checks of fire prevention equipment and safety measures.
Identification of Material and Ignition Sources
Materials are classified by risk, and are sorted according to these fire classifications:
• Class A Material: They need a heat source to start burning but will keep burning once they catch fire. Water, foam,
or dry chemical extinguishers are effective in putting out Class A fires.
Examples: Wood, cloth, paper, rubber, and some plastics.
• Class B Material: These materials catch fire when exposed to flames, sparks, or static electricity. Dry chemicals,
carbon dioxide (CO ), or foam extinguishers are effective in putting out this type of fire. Water should not be used
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as it can spread the fire.
Examples: Liquids like gasoline, oil, grease, paints, solvents, and gases such as propane and butane.
• Class C Material: These materials can cause fires very quickly and are dangerous because of the risk of electrical
shocks. Use non-conductive extinguishers like dry chemicals or CO . Never use water or foam because they conduct
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electricity.
Examples: Electrical wiring, circuit breakers, appliances, and other electrical equipment.
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