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The dreaded bonding again

Kelly Marie Angel

Sorry for this but my boiler recently had her annual service all was well except they said I don't have any bonding in place except I think I do the gas main is bonded in the meter cupboard and the radiators and hot and cold water feeds are all bonded in the bathroom upstairs. All pipework is copper throughout the plumbing never been altered in 40 years except for a new boiler oh and removal of the water tanks. So can I be confident the bonding upstairs is good enough? 

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    Geoff

    You bond the gas and water  installation pipes not the service pipes see Regulation 411.3.1.2. In fact you are not allowed to bond a gas service pipe without the consent of the National Grid for the reason Mike above has said. The gas supply may have an insulated insert either a ceramic one from years gone by or a plastic one in modern times. I have a picture of a gas control valve with a plastic insert somewhere I will see if I can find it and post on here. My house has been surveyed by gas and water suppliers to have my service pipes replaced. I will see if they if they renew the gas control valve if they install one with a plastic insert.

    Chris

    At least you know that you have a PME supply.

     

    Kelly

    If you have seen an electrode laying next to the joint in the ground that is almost certainly a PME supply. The DNOs should/maybe lay an earth electrode next to a joint in a 3 phase cable on a PME service. 

     

     

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  • 0

    Geoff

    You bond the gas and water  installation pipes not the service pipes see Regulation 411.3.1.2. In fact you are not allowed to bond a gas service pipe without the consent of the National Grid for the reason Mike above has said. The gas supply may have an insulated insert either a ceramic one from years gone by or a plastic one in modern times. I have a picture of a gas control valve with a plastic insert somewhere I will see if I can find it and post on here. My house has been surveyed by gas and water suppliers to have my service pipes replaced. I will see if they if they renew the gas control valve if they install one with a plastic insert.

    Chris

    At least you know that you have a PME supply.

     

    Kelly

    If you have seen an electrode laying next to the joint in the ground that is almost certainly a PME supply. The DNOs should/maybe lay an earth electrode next to a joint in a 3 phase cable on a PME service. 

     

     

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