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Cable fastenings

me1899
Hi All


Got a job where a sparks is suggesting omitting mains cable tray and runnign armoured cables in a run of cold rolled steel channel.

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Steelwork seems to have nowhere to properly fasten cables whether cleats for bigger (70-95mm size) or tie wraps for smaller. Unless they want to wrap something around the whole thing?


Also some small screw ends popping which they are saying can be blunted.


The steel is only about a hundred wide and has some vertical struts going up from the middle so not really much useful space.


Surely there is a Reg that says you need to fasten cables properly even if they are laying inside a channel or tray? I just want to say no, put some containment in, but trying to find a reg that will put a stop to it.


Any thoughts on that?

Parents
  • 0
    Thanks to all for replies.


    Colin, nothing has been installed as yet, but I have said that they can use that channel providing the install is neat, there is appropriate fastening and of course that the number of cables used is appropriate. That has been agreed with and they will be detailing how they will install so it can be reviewed and approved, including by the structural engineer as relevant.


    So basically a reasonable process will be followed on this and all the questions raised by you guys are going to be addressed.


    Sorry for slow reply, just been swamped after months of furlough.
Reply
  • 0
    Thanks to all for replies.


    Colin, nothing has been installed as yet, but I have said that they can use that channel providing the install is neat, there is appropriate fastening and of course that the number of cables used is appropriate. That has been agreed with and they will be detailing how they will install so it can be reviewed and approved, including by the structural engineer as relevant.


    So basically a reasonable process will be followed on this and all the questions raised by you guys are going to be addressed.


    Sorry for slow reply, just been swamped after months of furlough.
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