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B. PHYSICAL DEMANDS |
YES |
NO |
REMARKS |
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1. Are hands at a convenient working height for the task, not causing the operator to stoop over the task or raise their arms to reach the task?
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2. Are the joints mostly in a convenient neutral position? Is this a particular body area?
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3. Does the operator assume several different postures while working? |
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4. Is this a dynamic rather than a static task?
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5. Can the task be performed with the torso and the head facing forward? |
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6. Are items located within easy reach?
(400mm for primary. 600mm for secondary) |
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7. Is frequent lifting above 12 kgs?
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8. Is occasional heavy lifting more than 25 kgs?
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9. Are items to be lifted positioned between knuckle and shoulder height? |
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10. Are there convenient aids for manual handling and are they used?
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11. Are there handles on items that are otherwise difficult to lift or move? |
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12. Are hand tools appropriate for the task?
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13. Are hand tools comfortable and safe to use?
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14. Is the amount of effort required by the operator reasonable, considering frequency and posture? |
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For sitting tasks: |
YES |
NO |
REMARKS |
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15. Can the operator sit fully on the seat while performing the task? |
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16. Are the feet firmly supported on the floor or by using a footrest? |
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17. Can the backrest be utilised while performing the task?
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18. Are the elbow joints mostly at an intermediate angle?
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20. Is head bent slightly forward – rather than backward?
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C. TASK VISIBILITY |
YES |
NO |
REMARKS |
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1. Are illumination levels appropriate?
e.g. 500 lux for DSE work; 1000 lux for assembly operations
and 2000 lux for inspection (max) |
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2. Is glare from illumination sources and windows avoided? |
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3. Are controls, displays and dials easy to see from normal work position? |
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4. Is the task suitable for operators wearing spectacles?
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5. Is illumination level uniform throughout working area?
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D. MENTAL DEMANDS |
YES |
NO |
REMARKS |
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1. Does the task involve moderate short-term memory load – rather than high? |
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2. Does the task involve few simultaneous factors – rather than several? |
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3. Is operator performance unpaced – rather than paced by the task? |
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4. Is the task varying – rather than repetitive and monotonous? |
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5. Can operator errors easily be corrected?
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6. Are special memory aids used?
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7. Are displays and controls logical in presentation and operation? |
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8. Is the task easy to learn – rather than difficult?
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E. MACHINE DESIGN |
YES |
NO |
REMARKS |
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1. Is the workload appropriately balanced between the operator and the machine? |
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2. Are manual controls easy to reach?
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3. Are manual controls easy to distinguish from each other? |
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4. Are all machine functions and displays visible to the operator? |
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5. Can machine functions be handled through one command/control? |
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6. Are all controls on the machine necessary for the job?
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7. Are locations of controls and tools the same for similar machines? |
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8. Are memory aids used as a reminder of difficult task information? |
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9. Is it possible to operate machine without bending, twisting and far reaching? |
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10. Is there adequate body clearance for handling and maintenance tasks? |
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11. Are machine symbols and icons readily understood?
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12. Are labels used to inform and remind operators of task information? |
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13. Are labels/symbols used to designate locations for frequently used items? |
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F. DSE TASKS |
YES |
NO |
REMARKS |
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1. Are screens positioned correctly in relation to windows?
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2. Can reflected glare on the screen be avoided?
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3. Is the display located below a horizontal plane through the eyes? |
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4. Do the locations of display, documents and keyboard make it possible to sit straight without twisting the body? |
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5. Is there sufficient space for documents and the keyboard on the work surface? |
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6. Is the screen angle adjustable?
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G. AMBIENT ENVIRONMENT |
YES |
NO |
REMARKS |
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1. Is ambient noise below 80 db(A) to protect against hearing damage? |
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2. Is ambient noise level low enough to facilitate verbal communication? |
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3. Is there a programme to reduce noise levels by redesign of machines and the work environment? |
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4. Are vibration levels and frequencies so low as to not affect job performance? |
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5. Is the temperature and humidity within a comfortable range? |
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6. Is it possible to perform work tasks without protective equipment? |
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7. Can all work tasks be performed without risk of electric shock? |
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