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Demonstration – How chain sling slip out of the hook

MTR XRL Contract 825 廣深港高速鐵建造地盤合約編號 825 Innovative Safety Initiative Award 2014 - Modified Safety Latch.

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Demonstration – How chain sling slip out of the hook

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  1. MTR XRL Contract 825廣深港高速鐵建造地盤合約編號825Innovative Safety Initiative Award 2014 - Modified Safety Latch

  2. MTRC Safety Alert issued on 31-May-2013 draw our highly attention for the innovative improvements. It is possible that a wire rope is able to come off from the safety latch pf a lifting hook accidentally when it is NOT under tension.

  3. High Safety Concern from our Senior Management Team:We were concerned about daily lifting work by two major lifting plant (i.e. tower cranes) Tower crane maintenance crew was called specially to take ad hoc inspection with our site management for consideration of practicable modification works. They really demonstrated how to make the chain sling to slip out from the hook accidentally as witnessed by our management team. Eventually, by our joint effort and brainstorming, we explored and worked out “Modified Safety Latch” instead of general type for elimination of the potential risk. Demonstration – How chain sling slip out of the hook

  4. Larger Size for Prevention:The size of “Modified Safety Latch” is larger than the old one and more efficient to prevent the shackle coming out from the latch of the hook. Old Design Modified

  5. Double Locks Designs for Modified Safety Latch:Modified safety latch is properly fixed by the cotter pin, which is also locked with the hitch pin. However, the old safety latch can be moved manually. Design Concept : Practicable, Easy, Efficiency, Training Old Design (Single Lock) Modified (Double Locks)

  6. Safety Training to Qualified Banksman / RiggersWhile removing / replacing any lifting gears, following the key step(s) 1, 2 & 3 1) pull out the cotter pin 2) withdraw the hitch pin from the other side 3) latch can be moved.

  7. Simplified Method Statement – Safe Use of Modified Safety Latch - Produce 3 languages include Cantonese, English and Nepalese The End

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