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UNIT GC2: CONTROLLING WORKPLACE HAZARDSFor: NEBOSH National General Certificate I n Occupational Health and Safety NEBOSH International General Certificate in Occupational Health and Safety Answer both Section 1 and Section 2. Answer A LL questions. The maximum marks for each question. or part of a question. are shown in brackets. Start each answer on a new page. Answers may be illustrated by sketches where appropriate. This question paper must b~ returned to the invigilator after the examjnation. SECTION 1 You are advised to spend about half an ho ur on this section, which contains ONE question. A worker is using a mains-powered electrical hand-held belt sander to finish wooden doors prior to installation. (a) (b) (c) Identify health hazards associated with the use of the sander AND, in EACH case, give an example of an ill-health effect that may result following exposure. (6) Identify safety hazards associated with the use of the sander AND, in EACH case, give an example of an injury that could result during use. (10) Outline a strategy for maintenance and inspection of portable electrical equipment. (4) SECTION 2 You are advised to spend about one and a half hours on this section, which contains TEN questions. 2 --- r J (a) Identify methods of raising an alarm in the event of a fire. (2) (b) Outline issues that should be considered in the selection and siting of portable fire extinguishers. ~ ··· · (6) '· 3) \j Outl ine ways in which a forklift truck may become unstable during operation. (8} == (8) (a) (b) 11 Outline the principles of the following types of machine guard: (i) fixed g uard. (4) (8) . (4) Identify features of a mobile tower scaffold that should be inspected prior to use. (a) (b) (a) ' (b) 7 (8) Outline ways in which poor storage of waste in a workplace co-u ld ha rm the environment. {2) Outline the basic requirements for the safe storage ofwaste in a workplace. (2) Identify TWO advantages AND TWO disadvantages of a fixed guard. (2) (ii) interlocked guard. {8) Outline ways to improve the task o f a m anual handling activity that will help reduce the risk of injury. (4 ) Outline the .role of health surveillance in helping reduce the risk of hearing loss. (6) Identify occupations that may have a potential risk of noise induced hearing loss. 10 Explain factors that should be considered when carrying out an assessment of the health risks to workers exposed to these substances. Outl in e control measures that can be implemented in o rder to reduce the risk of violence to workers in an accident and emergency department of a hospital. (8) A powdered raw material is to be mixed with water to make a paste that will then be applied to internal walls of a building as a decorative coating.4 5 O utline why a person may be unaware of an approaching vehicle wh en walking throug h a workplace. .. are shown in brackets. which contains ONE question. SECTION 1 You are advised to spend about half an hour on this section. 1 Workers who are required to work with vibrating hand-held tools for long periods during a work shift have reported symptoms of tingling and numbness in their fingers. · (2) Identify possible effects on hearing from exposure to the noise from the generator. For: NEBOSH National General Certificate in Occupational Health and Safety NEBOSH International General Certificate in Occupational Health and Safety Answer both Section 1 and Section 2. which contains TEN questions... (8) (c) Outline precautions that could be taken in order to minimise the risk to the workers. Further analysis has indicated that the workers could be showing early symptoms of hand_-arm vibration syndrome (HAVS).. The maximum marks for each question. C'(j2 ' A portable generator has been placed on the floor of a large warehouse. (a) Outline further symptoms that might develop should the work continue. (4) (b) Outline factors to consider when assessing the risk of HAVS. Answers may be illustrated by sketches where appropriate.. (a) 0 (c) Give the meaning of the term 'decibel scale' (dB). Answer ALL questions. noise levels have been measured at over 90 decibels (dB). and while in use. This question paper must be returned to the invigilator after the examination. (4) . (2) Outline transmission paths that the noise could take from the generator to workers. or part of a question. Start each answer on a new page. I .UNIT GC2: CONTROLLING WORKPLACE HAZARDS . (8) SECTION 2 You are advised to spend about one and a half hours on this section. . - Outline ways in which excessive exposure to the wood dust could have been identified prior to the health surveillance. (8) Outline control measures that should be adopted in order to protect against the dangers of people and/or materials falling from a mobile tower scaffold. .' 13 Health surveillance has indicated that workers may have inhaled excessive quantities of wood dust over a long period of time. (8) 11 Outline factors that should be considered when determining the frequency for the inspection and testing of electrical equipment...t be provided. (2) Outline faders that should be considered in order that fire and rescue service vehicles can access premises in the event of a fire. . ~ /' l ~ ._ / Identify common types of automatic fire detection system that would raise an alarm in the event of a fire. . ~ • •'J .. (8) Outline factors that should be considered when carrying out a manual handling assessment of the work of baggage handlers at a large. (8) (a) I ' \ (b) .. (6) 10 Identify the main hazards associated with excavation work on construction sites. . (a) Identify health risks that may have been identified by the health surveillance. ~51 (2) (6) (8) A school sports hall is to be used for temporary sleeping accommodation for local residents who have been evacuated from their homes due to an emergency · situation.. (8) . 4 Outline control measures that could be implemented in order .!o help reduce risks to pedestrians in a warehouse where separate traffic routes canno. ' 6 7 Outline factors that should be considered when reviewing the fire risk assessment for the school sports hall for this temporary use. (8) Identify information that should be included on a safety data sheet supplied with a hazardous substance. busy airport...: . 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