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Multi-core SWA cable installation in vertical risers.

Des
Hi


I have just had a conversation with a contractor who has stipulated that as part of a vertical cable installation it is a requirement to put a kink in the cable every 5-7m. The reason behind this is they say it helps with the distribution of the weight on high vertical risers.


I have never heard of anyone doing this? can someone please advise me if this is now a requirement, or point me in the right direction for clarification, i.e. is it in any of the guidance notes.


Regards


Desmond Young BSc (Hons) (Open) MSc.
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    My recollection is of drawing the cable threaded through metal supporting bars and fire stopping. 

    Andy B.
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    My recollection is of drawing the cable threaded through metal supporting bars and fire stopping. 

    Andy B.
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