Lead Gas Pipe

[GPack]

I have a lead Gas pipe that needs bonding and I'm really not sure how to do this.
Can anyone help?

 

[Deleted member 26818]

You either need a spring clamp, or get the DNO in.

 

[GPack]

Thanks for your help.
Do the local wholesalers do them or would you source them from the internet? I've done a quick search on Google and couldn't see anything suitable.

 

[Deleted member 26818]

I'd try a local wholesalers, they use the same sort of clamp with some underground resin joints.

 

[Geordie Spark]

You either need a spring clamp, or get the DNO in.

Why would the DNO want to get involved with a gas pipe?

 

[Spudnik]

Why would the DNO want to get involved with a gas pipe?

I was thinking that.

Is there no copper section further down the line?

If so, clamp to that and note it on the cert.

 

[GPack]

It is Lead all the way to the entry point into the house and is then lost until it exists at the boiler(now copper). l really need to bond it at the Gas supply. Thanks for your help. I will check with the wholesaler. If anyone sees a link to something suitable I would really appreciate it. Fingers crossed

 

[Geordie Spark]

It is Lead all the way to the entry point into the house and is then lost until it exists at the boiler(now copper). l really need to bond it at the Gas supply. Thanks for your help. I will check with the wholesaler. If anyone sees a link to something suitable I would really appreciate it. Fingers crossed

I'm not aware of any problem using your normal type of clamp on a lead pipe. The wall of a lead pipe is quite thick, so I can't see it distorting much by fitting a clamp to it. I've certainly not had a problem doing this.

Just make sure that the lead is nice & clean first by brushing with a wire brush / steel wool.

 

[malcolmsanford]

An old gas lead pipe is certainly not as thick walled as the old lead water pipes, simply because of the pressure both services work at.

What I have done in the past is get a piece of perhaps 2 or 3 inches long, say a 25mm copper pipe, or a size near to the lead one, and cut it in half, place the 2 pieces around the lead pipe and then fitted a BS 951 clamp over the copper part.

 

[Deleted member 26818]

Yes, sorry I was thinking lead sheathed cable.
Should have been Gas Board not DNO.

 

[mechelec]

do you know a friendly plumber who could sweat you a lug onto the pipe.

 

[Geordie Spark]

An old gas lead pipe is certainly not as thick walled as the old lead water pipes, simply because of the pressure both services work at.

What I have done in the past is get a piece of perhaps 2 or 3 inches long, say a 25mm copper pipe, or a size near to the lead one, and cut it in half, place the 2 pieces around the lead pipe and then fitted a BS 951 clamp over the copper part.

I have to say that I have never found a thin walled lead pipe in more than 20 years & gas work was my main thing with electrics coming a close second.

That said, I like your method of using a piece of copper over the lead.

 

[Sickmick]

I was under the impression you can't connect bonding clamps to lead pipe, as lead is flexible it will be a loose connectioin after a couple of years. I would be connecting to first available solid pipe.

 

[gdr7671]

go to sicame.co.uk they make clamps for this purpose. They are a subsidiary of Hepworth

 

[Engineer54]

A couple of constant pressure/force spring clamps are a perfect choice for bonding cables to lead pipes, with no chance of biting deep into the lead.

 

[SPARTYKUS]

Or as the guiding (!) regulations allow, bond at the boiler if thats the next convenient point. Sounds like the lead bit is 'inconvenient' unless you can get a posh clamp as suggested.