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ViBODY: Sweeping Asphalt Production Plant

  • Plant operators used long-handed standard brooms to sweep fine dust into loads shovelled into wheelbarrows and then to bins.
  • Task performed mostly at end of shift: requiring 4 ½ hrs/shift or 90min each for 3 workers. Shifts frequently extended to 13 – 14hrs late evening.
  • Repetition, duration, and fatigue were of concern, as well as neck discomfort.
Health Issues and Initial Assessment:
  • High risk for whole body cumulative strain
  • Manual Task Risk Assessment per ErgoAnalyst
Control Strategies: Commercial Manual Push Broom with Hopper
  • A commercially available manual push broom with circular brooms and hopper.
  • Interventions = 3 site visits (initial, control development workshop, and equipment trial / re-evaluation.
  • Activities: observation, conversation, measures, task analysis, data collection, photo imagery, video, design philosophy development, management and procurement consultation, reporting, risk determination, cost analysis.
Cost Benefit, Payback and Project Times
  • 8 weeks from task ID to resolution
  • Reduced work time to half, total of 2hr 15min, or 45min per worker among 3 team members; savings of up to 2.5 hrs per shift or annualised cost savings of $27K.
Analysis After Implementation:

The new and relatively inexpensive, commercially-available control drastically reduced the risk of musculoskeletal injury.

Manual Task Risk Assessment per ErgoAnalyst

WE ACHIEVED: Risk reduction of Moderate Disability, Temporary Injury, Discomfort, and achieved Comfort/Efficiency, Conditioning, Social Connection, Profitability, Business Integration and Industry Liaison.

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