52. Working in Confined Spaces What are some common hazards in a confined space? Hazardous gases and vapor such as carbon monoxide, carbon dioxide, Freon, hydrogen sulfide, welding gases, ammonia etc. Asphyxiation due to limited oxygen. Combustible dusts. Flammable liquid or gases. Explosion. Engulfment. Becoming trapped. Fall hazards. ∴ ∴ It can be any space […]
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51. Working in Adverse Environmental Conditions High/low temperature or temperature changes Stale/stuffy air and dry or humid air Insufficient day light and low quality general lighting Crowded workplace These findings are related to the health symtoms suffered by the occupants. Those who experience symptoms of ill-health are the least satisfied with the environmental conditions at
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50. Working at Heights Working at height remains one of the biggest causes of fatalities and major injuries. Common cases include falls from ladders and through fragile surfaces. ‘Work at height’ means work in any place where, if there were no precautions in place, a person could fall a distance liable to cause personal injury
49. Welding Work The basic purpose of welding is to join two elements together with a firm connection. Welders typically work with metal or thermoplastic and use durable filler material to bind them together. Welding is used to create many modern constructions in our world, such as skyscrapers, cars, ships and airplanes. ∴ ∴ Hazard Category
48. Use of Manbasket with Crane The crane basket, a crane supported man basket, also referred to as a suspended personnel platform, crane cage and construction basket, is designed, manufactured and tested to meet all regulations related to overhead lifting. ∴ ∴ Hazard Category Hazards Controls Injury and Damage 1. Lack of awaremess activities 2. Not
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47. Tower Crane Erection & Dismantling Erection/climbing/dismantling of tower cranes is a potentially hazardous process involving working at heights, awkward postures, lifting and aligning components of significant size and mass and installing temporary support systems. These are all performed under significant time pressure. Persons undertaking the work should be competent in the tasks they will
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46. Tie-in with Existing Substances Many existing pipeline networks are reaching the end of their design lives and have to be replaced or supplemented by new systems. The term ‘Tie-in’ is generally used to describe the connection of a pipeline to a facility, to other pipeline systems or the connecting together of different sections of
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45. Testing of Batteries Charger A battery is an energy source and care has to be observed in handling them. Batteries must not pose any danger to people, not even under extreme conditions. They should therefore be evaluated thoroughly before being put into use with an effective set of battery tests. The tests ensure that
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44. Steel Structure Election As far as practicable the safety of workers employed on the erection of steel and prefabricated structures should be ensured by appropriate means, such as provision and use of: (a) ladders, gangways or fixed platforms; (b) platforms, buckets, boatswain’s chairs or other appropriate means suspended from lifting appliances; (c) safety harnesses
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43. Spray Painting Spray painting is a painting technique in which a device sprays coating materials through the air onto a surface. The most common types employ compressed gas to atomize and direct the paint particles. Air gun spraying uses generally equipment. It is typically used for covering large surfaces with an even coating of
