Nizwa College of Technology

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Workshop safety
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Accident Prevention

• Elimination of hazard
• Tidy workplace
• Improve lighting
• Guarding rotating machinery

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Main causes of the accidents

• 25.5 of the accidents caused by handling and
  lifting goods and materials.
• 19.4 -By machinery
• 15.4 -By persons falling from heights or same
  level.
• 8.1- By stepping on or striking against objects
• 7.5- struck by falling objects
• 7.5- While transporting.
• 7.1-While using hand tools
• 9 - Due to other causes, including electric
  shock.

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Personal protection

• Overall
• Safety helmets
• Safety shoes
• Earmuffs
• Respirators eye protection

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Safety procedure

• Personal hygiene by rubbing a barrier cream
• Protective clothing

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Behavior in the workshop

• Do not distract any students attention and
  disturb his concentration (pushing, throwing
  things, practical jokingetc)

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Eye protection

• Some form of goggle or visor should be worn when
  machining metals and for certain other operations.

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Head protection

• Protective helmets should be worn when working on
  site or in a shop where slinging and craning is
  in progress.

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Hand protection

• Oil and chemical resistant gloves will protect
  the hands against splashes.
• Special gloves are required when handling sheet
  metal and hot materials.

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Foot protection

• Non-slip reinforced safety shoes and boots are a
  cheap way of protecting yourself from a common
  accident

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Lifting and carrying

• The incorrect way to lift

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• The correct way to carry

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• The correct way to carry
• Low enough to give unobstructed view.

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Mechanical handling devices

• Chain must not be bolted together.
• Chain must not be knotted.

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• Wire ropes must not be sharply bent at any point.
• Wire ropes are never used in contact with hot
  metals or acids.
• Wire ropes must never be used singly when hooked
  by a hand-spliced eye. The cable is liable to
  untwist, allowing the splices to open and or slip

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• The proper pin must be used in all shackles.
• All end links, rings and shackles must ride
  freely upon any hook on which they are used.

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• Do not use slings that are too short.
• Do not use slings that are too long.
• Do not use ropes that have become rusty.

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Use and maintenance of hand tools

• Dont use loose hammer head and split shaft.
• Dont use chipped, cracked and mushroomed hammer
  head.

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• Dont use blunt cutting edge, chipped and
  mushroomed head.

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• Dont use strained and cracked jaws caused by
  extending the handle with a tube.

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• Protect tang by a suitable handle.

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• Do not use an oversize spanner and packing. Use
  the correct size of spanner for the nut or bolt
  head.

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• Do not use a file as a lever.

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• The first picture shows belt drive and guard
  removal.
• The lower one shows fixed guard in position.

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Grinding wheels safety
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Continued

• Work rest too far from the wheel. Tool may
  dragged between rest and cause serious injuries.

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• Tool correctly and safely supported by set the
  work rest close to the wheel.

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Cause of electric shock
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Example
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Water Extinguisher
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THE END