Shop Safety

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Shop Safety
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Objectives

• Define safety
• Identify safety color and be able to describe
  what each color means.
• Identify the proper clothing to be worn in the
  shop.

• State the conditions necessary for combustion.
• Match types of fire extinguishers to each class
  of fire.
• Describe appropriate action incase of emergency.

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What are some common safety procedures?
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The Definition of Safety

• The condition or state of being free of
  accidents.

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Why do we need Safety Colors?

• Alert people to dangers or hazards
• Help to locate objects
• Make the shop a pleasant place to work
• Promote cleanliness and order
• Help people to react quickly to emergencies

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Safety Colors

• RED Danger
• This is an area of high danger or emergency.
• Usually found around safety switches and fire
  equipment.

• ORANGE Warning
• Orange is used to designate machine hazards such
  as edges or openings.
• Also used as a background for electrical
  switches, levers, and controls.

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Safety Colors

• YELLOW Caution
• Just like with traffic lights it means caution.
• It is mostly used to identify parts of machines,
  such as wheels, levers, and knobs that are used
  to adjust the machine.

• BLUE Information
• Blue is used on signs if a warning or caution is
  intended.
• Typically carry the message OUT OF ORDER or DO
  NOT OPPERATE

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Shop Colors

• GREEN Safety
• Safety green is a special shade of green and
  indicates the presence of safety equipment,
  safety areas, first aid, and medical care.

• Black and Yellow Diagonal Stripes Radioactivity
• This is a marking of radiation hazards.

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Safety Colors

• White It is used to mark of f traffic areas.
  Some times white arrows are used to indicate the
  direction of traffic.
• White and Black Stripes Commonly used as traffic
  markings.
• Gray Is used on floors of work areas in the shop.

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Match the Safety Colors

• Red
• Orange
• Blue
• Green
• Black and Yellow Diagonal lines
• Gray
• Yellow

• Shop Floors
• Caution
• Danger
• Safety
• Warning
• Information
• Radiation Hazards

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Match the Safety Colors

• Red
• Orange
• Blue
• Green
• Black and Yellow Diagonal lines
• Gray
• Yellow

• Shop Floors
• Caution
• Danger
• Safety
• Warning
• Information
• Radiation Hazards

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Focal Colors

• Ivory- Is used to highlight or improve visibility
  of certain items.
• Vista Green- It is used to paint bodies of
  machines, cabinets, and stationary tool such as
  vises.
• Aluminum- Is commonly used on waste containers
  such as those for scrap wood, scrap metal, and
  rags.

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Protective Clothing and Devices

• Most work situations in agricultural mechanics
  require some type of body protection.

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Safety Glasses and Face Shields

• The face and eyes are regarded as the most
  critical parts of the body to be protected.
• Flying objects striking the head can easily cause
  blindness or result in death.
• Safety Glasses are a must in the shop.

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Common types of Safety Glasses
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Hair Restraints

• Serious injuries can occur if long hair becomes
  in tangled in a drill press, saws, or other
  turning equipment.
• Hair can be restrained in several ways
• A woolen hat
• A head band
• A hardhat
• A hairnet

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Protective Clothing

• Clothing must fit properly in order to reduce or
  prevent injuries.
• There should be no cuffs, strings, or ties for
  turning machinery to catch.
• Clothing should be fire resistant and provide
  protection for scrapes and abrasions.

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Protective Clothing Examples
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Protective Clothing

• Coveralls
• They are the most versatile and all around item
  in the shop due to the fact that they cover or
  protect arms, body, and legs.

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Footwear

• Leather shoes are recommended when working in the
  shop and when using machinery.
• Leather is preferred because of its strength,
  durability and comfort.

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Gloves

• Gloves are needed to keep the hands warm as well
  as to protect them from excessive abrasion, heat,
  liquids, or chemicals.

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Protective Clothing in the Shop

• Safety glasses
• A long sleeve heavy cotton shirt.
• Blue jeans or coveralls to cover your legs.
• Leather boots

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Ear Protection

• Earmuffs or plugs are recommended when intensity,
  frequency, or duration of noise reaches certain
  levels.
• Noise intensity- energy in sound waves
• Noise duration- the length of time a person is
  exposed to a sound.
• Decibel- (dB) the standard unit of sound

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Common Decibel Levels

• 0 Acute threshold of hearing
• 20 Whisper
• 30 Soft music
• 60 Normal speech
• 70 Noisy office

• 80 Heavy traffic
• 90 Inside a tractor cab
• 90 OSHA limit
• 100 Power mower
• 140 Threshold of pain

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The Fire Triangle

• To produce a fire, three components must be
  present at the same time.
• The three components are fuel, heat, and oxygen.

Fuel
Fire
Heat
Oxygen
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The Fire Triangle

• Fuel is any combustible material that will burn.
• Combustion means to burn.
• Heat simply refers to the type of energy that
  causes the temperature to rise.
• Oxygen is a gas in the atmosphere.

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What do we need to do to prevent fires in the
shop?

• Store fuels in approved containers
• Store fuels away from other materials that may
  easily burn.
• Store materials in areas that are cooler than
  their combustion temperature.
• Use fire in only safe surroundings.
• Put out fire by removing one or more elements of
  the fire triangle.

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Classes of Fires

• Class A Ordinary Combustibles
• Includes wood, paper and trash.
• Do not include any item in the presence of
  electricity or any type of liquid.

• Class B Flammable Liquids
• Includes fuels, greases, paints, and other
  liquids, as long as not in the presence of
  electricity.

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Types of Fire Contd.

• Class C Electrical Equipment
• Any fire in the presence of electricity.

• Class D Combustible Metals
• Metals that will burn.
• Can only be put out by Class D extinguishers.

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Types of Fire Extinguishers

• Water with pump or gas pressure
• Class A fires.
• Carbon dioxide gas (CO2)
• Class B and C fires.
• Dry chemical
• Class A, B, and C fires
• Blanket
• Used for smothering fires on humans or animals.

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Fire Extinguishers are marked according to the
class they will safely work. Extinguishers are
marked with standardized symbols so the reader
can react quickly to the emergency.
D
C
B
A
Ordinary Combustibles
Flammable Liquids
Electrical Equipment
Combustible Metals
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Using a Fire Extinguisher

• 1. Hold upright. Pull ring pin.
• 2. Start back 10 feet. Aim at base of the fire.
• 3. Squeeze lever and sweep side to side.

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Emergencies and accidents.

• Notify the teacher.
• Keep everyone calm.
• Follow the direction of the teacher.
• Call the fire department.
• Clear the area.
• Use a fire extinguisher if this seems logical
  under the circumstances.

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Summary

• Define Safety.
• Name and describe the safety colors?
• Name the three focal colors.

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Summary

• Describe the proper protective clothing that
  should be worn in the shop.
• What does decibel (dB) refer to?
• Name some protective clothing to be worn in the
  shop.

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Summary contd.

• Name the three components of the fire triangle.
• Name and describe the classes of fires.
• What are some common types of fire extingushers.

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Summary contd.

• What is the proper way to use a fire
  extinguisher.
• What is the fist thing to do when an emergency
  occurs.