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WSH Guidelines on WAH Personnel Protective Equipment and ...

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Self-Retracting Lifelines (SRL)A Great Workforce A Great Workplace• A Self-Retracting Lifeline ( or “Yo-yo”) involves the use of a spring-loaded reel to reel in anyexcess length of lifeline, ensuring a shortest possible length of lifeline between the user <strong>and</strong> thereel.• In the event of a fall, the retractable lifeline is rapidly pulled out <strong>on</strong> the reel a brakingmechanism is engaged to halt the fall of the user.Dangers using SRL in the horiz<strong>on</strong>tal planeSRLBreaking forces for SRL with webbing-based<strong>and</strong> fibre-rope-based lifelines are both 15kN;<strong>and</strong> wire-rope- based lifeline is 12kN© 2012 Government of Singapore 33

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