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Study on the Occupational Health Risks for Cable Laying Works Presented by : Fung Wing Hon.

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Presentation on theme: "Study on the Occupational Health Risks for Cable Laying Works Presented by : Fung Wing Hon."— Presentation transcript:

1 Study on the Occupational Health Risks for Cable Laying Works Presented by : Fung Wing Hon

2 Cable Laying Works Trench Excavation Shoring Cable Laying –Installation of rollers –Manual Pulling / Operation of winch –Cable jointing Backfilling and Reinstatement

3 Occupational Health Risks Chemical Factors Physical Factors Ergonomics Factors Biological Factors Psychological Factors Environment

4 Tool for Evaluating OH Risks Exposure Assessment Strategies (EAS) was developed by AIHA EAS Committee in A comprehensive, systematic and efficient approach to assessing, analyzing and managing occupational health risks, including workplace chemical, physical, biological and ergonomic agents.

5 Overview of EAS

6 Exposure/Health Effect Analysis Exposure Rating A >=RV B >=50%, <100% RV C >=10%, <50% RV D >=1%, <10%RV E Nil Health Effect Rating I II III IV

7 Exposure/Health Effect Analysis Intervention required eliminate/substitute hazards or control the exposure Maintenance and continuous improvement of existing control systems Maintenance of existing control systems

8 Tools to Manage OH Risks Elimination/Substitution/Control/PPE Work System Compatibility Theory –Theory developed by Dr. Ash Genidy of the University of Cincinnati, Ohio, USA in 1993 –The higher the WSC, the better the outcome measures of human performance (fewer work accidents and injuries/illness, higher work satisfaction, higher work quality….

9 WSC Model Energy Expenditure Forces Energy Replenishment Forces Task Demand Physical Environment Conditions Non-physical Environment Conditions Organizational Environment Conditions Social Environment Conditions Feedback Job Standards Output Vs Job Standards Feedback to Energy Replenishment Forces Output

10 Work System Compatibility Theory General Craftsmanship Specialized Craftsmanship : Scientific Management Management Science Motion & Time Study Health and Safety Efforts Quality of Output Movement Work SatisfactionQuality of Work life Work System Compatibility Theory


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