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Head injuries causes include
• Falling or flying objects
• falling or walking into hard objects
• injuries include neck sprains concussions and skull• injuries include neck sprains, concussions, and skull
– Electric Shock
i d l i i• Live exposed electric wires
• Injuries include electrical shocks and burns
• Toxic liquids such as acids, caustics, and molten metals can
irritate and burn the head/scalp
Hard hats:Hard hats:
– resist penetration
– absorb the shock of a blowabsorb the shock of a blow
– lessen injury
Wh i H d P t ti I t t?Why is Head Protection Important?
• In and around your head are:
– Your eyes, with which you see
– Your ears, with which you hear
– Your nose, with which you smell
– Your mouth, with which you eat and speak
– Your brain, with which you think
• Injuries to the head are very serious. Forj y
this reason, head protection and safety are
very important .y p
Hard hats fall into two types and three classes
T i l d• Types include:
– Type 1 - full brim
– Type 2 - no brim, peak extending forward
Cl A l i li it d lt– Class A - general service - limited voltage
– Class B - utility service – high voltage protection
– Class C - special service - no voltage protectionp g p
HARD HAT CLASSES
• Class A. These helmets are for general service.
Th id d i t t ti b t li it dThey provide good impact protection but limited
voltage protection. They are used mainly in mining,
b ildi t ti hi b ildi l b i dbuilding construction, shipbuilding, lumbering, and
• Class B. Choose Class B helmets if your employees
are engaged in electrical work. They protect against
falling objects and high-voltage shock and burns.
• Class C. Designed for comfort, these light-weightg , g g
helmets offer limited protection. They protect workers
from bumping against fixed objects but do not protectp g g j p
against falling objects or electric shock.
• Suspension system inside acts as a shock• Suspension system inside acts as a shock
• Some hats serve as an insulator
against electrical shocksg
• Shields your scalp, face, neck, and
shoulders against splashes spills and dripsshoulders against splashes, spills, and drips
• Some can be modified so you can add face
shields, goggles, hoods or hearing protection
• Best to wear ANSI approved hard hatpp
• Hats consist of two components: shell and suspension
• Components work together as a system and must beComponents work together as a system and must be
inspected on a regular basis
• Shells should be inspected for dents, cracks, gouges & anyp , , g g y
damage from impact, penetration, abrasions, rough
treatment or wear.
• Degradation of thermoplastic material may be apparent
when the shell becomes stiff, brittle, faded, dull in color or
chalky in appearancechalky in appearance.
• Replace at the first sign of any of these conditions
LIFE OF A HARD HAT
• General guideline, replace every five years
regardless of outward appearance
• Exposure to high temperatures, sunlight or
chemicals? Replace every two years
• Inspect suspension as well as shell
• Worksite review is critical to degradation of
HARD HATSHARD HATS
• Protects from impacts from above.
• Never modify the shell or suspension.
• Avoid contact with electrical devices.Avoid contact with electrical devices.
• Replace if struck by a falling object.
Do not store in direct s nlight• Do not store in direct sunlight.
• Do not sit on.
• Do not paint.
• Do not use solvents or cleaners.Do not use solvents or cleaners.