Nizwa College of Technology Mechanical Engineering Department Workshop

������ Nizwa College of Technology Mechanical Engineering Department Workshop safety

Accident Prevention • Elimination of hazard • Tidy workplace • Improve lighting • Guarding rotating machinery Issa AL-Tobi

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. Issa AL-Tobi

Personal protection • Overall • Safety helmets • Safety shoes • Earmuffs • Respirators & eye protection Issa AL-Tobi

Safety procedure • Personal • hygiene by rubbing a barrier cream Protective clothing Issa AL-Tobi

Behavior in the workshop • Do not distract any students attention and disturb his concentration (pushing, throwing things, practical joking…etc) Issa AL-Tobi

Eye protection • Some form of goggle or visor should be worn when machining metals and for certain other operations. Issa AL-Tobi

Head protection • Protective helmets should be worn when working on site or in a shop where slinging and craning is in progress. Issa AL-Tobi

Hand protection • Oil and chemical • resistant gloves will protect the hands against splashes. Special gloves are required when handling sheet metal and hot materials. Issa AL-Tobi

Foot protection • Non-slip reinforced safety shoes and boots are a cheap way of protecting yourself from a common accident Issa AL-Tobi

Lifting and carrying • The incorrect way to lift Issa AL-Tobi

Continued • The correct way to carry Issa AL-Tobi

Continued • The correct way to • carry Low enough to give unobstructed view. Issa AL-Tobi

Mechanical handling devices • Chain must not be • bolted together. Chain must not be knotted. Issa AL-Tobi

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 Issa AL-Tobi

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. Issa AL-Tobi

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. Issa AL-Tobi

Use and maintenance of hand tools • Don’t use loose • hammer head and split shaft. Don’t use chipped, cracked and mushroomed hammer head. Issa AL-Tobi

Continued • Don’t use blunt cutting edge, chipped and mushroomed head. Issa AL-Tobi

Continued • Don’t use strained and cracked jaws caused by extending the handle with a tube. Issa AL-Tobi

Continued • Protect tang by a suitable handle. Issa AL-Tobi

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

Continued • Do not use a file as a lever. Issa AL-Tobi

Continued • The first picture • shows belt drive and guard removal. The lower one shows fixed guard in position. Issa AL-Tobi

Grinding wheels safety Issa AL-Tobi

Continued • Work rest too far from the wheel. Tool may dragged between rest and cause serious injuries. Issa AL-Tobi

Continued • Tool correctly and safely supported by set the work rest close to the wheel. Issa AL-Tobi

Cause of electric shock Issa AL-Tobi

Example Issa AL-Tobi

Water Extinguisher Issa AL-Tobi

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