ngc one particular june 2011 Essay

June 2011 NGC 1

Query 1 A workshop has experienced several accidents that were due to inadequate selection and implementation of risk handles.

(a) Identify FOUR with the general concepts of reduction. (4) basic principles of prevention including the avoidance of risks; the evaluation of unavoidable hazards; controlling hazards at source; adapting to technical improvement and adapting work for the individual; replacing the harmful by significantly less or low dangerous alternatives; developing a logical prevention policy; giving priority to collective over individual protective steps; and supplying appropriate recommendations to staff (b) Supply the meaning from the term ‘hierarchy of control'. (2) actions designed to control risks that are considered to be able of importance, efficiency or priority or steps designed to control risk that normally commence with an extreme way of measuring control and end with personal safety equipment being a last resort.

(c) Outline how a typical structure of control should be used. (8) within the application of a typical hierarchy of control, candidates should have started with the possibility of eliminating the potential risks either by designing them out or changing the method. The next step is the reduction with the risks simply by, for example , the substitution of hazardous chemicals with others which were significantly less hazardous. If this are not possible, in that case isolation will have to be considered, using enclosures, barriers or staff member segregation. The use of engineering controls such as protecting, the provision of community exhaust air flow systems, the application of reduced ac electricity systems or residual current devices would follow while would supervision controls such as safe devices of work, schooling, job rotation and oversight with the final control evaluate being the provision of personal protective products such as hearing defenders or perhaps respiratory protective equipment.

(d) Outline the factors being considered when selecting a great

appropriate risk control...

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