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Bonding of temporary metal fences at a Railway station platform

tattyinengland
HI Chaps


One of the jobs I need to do in the near future is bond some temporary metal fences at a railway station platform.


I would not normally bond metal fences, but I know that this a requirement in this case; metal fences, metal stairways from the platform up to the overhead concourse etc


The overhead train HV lines are probably 5m away from these fences.


Do anyone have any further information for me so that I can understand why we are bonding these fences and what we are trying to achieve? 


I suppose its something to do with the HV side of things..................


Any help would be much appreciated


Kind Regards


Tatty
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  • 0
    There is a Neutral return wire connected to the rails, but yes the large contact area means some of the traction current can travel through the ground.


    Now, as to the design of the particular station, the LV may well already be connected to an appropriate earthing system - so that may well be correct.


    Have you been told where to bond, or just asked to bond it?
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  • 0
    There is a Neutral return wire connected to the rails, but yes the large contact area means some of the traction current can travel through the ground.


    Now, as to the design of the particular station, the LV may well already be connected to an appropriate earthing system - so that may well be correct.


    Have you been told where to bond, or just asked to bond it?
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