1. Nizwa College of Technology
الكلية التقنية بنزوى
Nizwa College of Technology
Mechanical Engineering Department
Workshop safety
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2. Accident Prevention Elimination of hazard Tidy workplace
Improve lighting
Guarding rotating machinery
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3. 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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4. Personal protection Overall Safety helmets Safety shoes Earmuffs
Respirators & eye protection
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5. Safety procedure Personal hygiene by rubbing a barrier cream
Protective clothing
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6. Behavior in the workshop
Do not distract any students attention and disturb his concentration (pushing, throwing things, practical joking…etc)
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7. Eye protection
Some form of goggle or visor should be worn when machining metals and for certain other operations.
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8. 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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9. 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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10. Foot protection
Non-slip reinforced safety shoes and boots are a cheap way of protecting yourself from a common accident
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11. Lifting and carrying
The incorrect way to lift
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12. Continued
The correct way to carry
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13. Continued The correct way to carry
Low enough to give unobstructed view.
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14. Mechanical handling devices
Chain must not be bolted together.
Chain must not be knotted.
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15. Continued 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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16. Continued 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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17. Continued 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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18. Use and maintenance of hand tools
Don’t use loose hammer head and split shaft.
Don’t use chipped, cracked and mushroomed hammer head.
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19. Continued Don’t use blunt cutting edge, chipped and mushroomed head.
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20. Continued
Don’t use strained and cracked jaws caused by extending the handle with a tube.
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21. Continued
Protect tang by a suitable handle.
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22. Continued
Do not use an oversize spanner and packing. Use the correct size of spanner for the nut or bolt head.
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23. Continued
Do not use a file as a lever.
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24. Continued The first picture shows belt drive and guard removal.
The lower one shows fixed guard in position.
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25. Grinding wheels safety
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26. Continued
Work rest too far from the wheel. Tool may dragged between rest and cause serious injuries.
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27. Continued
Tool correctly and safely supported by set the work rest close to the wheel.
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28. Cause of electric shock
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29. Example
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30. Water Extinguisher
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31. THE END