i've been drinking water from lead pipes all my life. i now glow in the dark and am worth more in scrap value than steptoe's yard stock.
 
tel, you'd be alright in Fukishima too, I hear property is cheap there, you will be immune !
 
just bid on a power station site there. got planning for 1000 houses, all underfloor heating system already installed.
 
This may be of interest,
I was looking at a job last week , while checking for main bonding i noticed that the gas pipe on the consumers side was lead, and went from the meter under concrete floor and the fed cooker / boiler/ ect.
Main bonding was present on the pipe next to meter on consumers side, there had been a c.u. change three years ago and the main bonding had been installed at that time.
Now heres the thing...the installer had split open a 28mm copper pipe and used it as a " jacket " around the lead pipe, then fixed the clamp to that.
What do you think ?
Jem
This is the guidance given in bs 7430 and also by the copper development association. I found this out at a cpd course earlier this year. In my experience some inspectors
except bonding to lead some do not. To interpret reg 544.1.2 to bond to a hard metal does not constitute lead. I have found most bs951 clamps work loose due to the thermal constraints. To find out more contact the institute of metallurgy. It has nothing to due with the crushing of the lead as most people assume. Thanks for replying. GDR
 
Thanks for all your opinions. Good debate. I think I will clamp to the first copper and check for low resistance to rest of property.
Regards
David.
 
By more honest do you mean paranoid?

Just being honest, the word paranoia scares me :D


I'm a sucker for siding with the downtrodden in our society and the statement made by Jemma, that there was no link with health problems, had me scuttling for the mouse, rather than any concern about squashing lead (too long in the tooth to have that concern):)


Children are the ones who's lives can be damaged by lead and the thought that government could pretend it didn't was the spur to get the mouse in action
 
View attachment 5017
Hello you brilliant people,

Here is my problem, OSG says (if I remember), not to clamp bonding to soft metals. Customer has main water lead pipe coming in, stop cock, lead T to copper for kitchen etc , lead continues up burried in plaster to bathroom then to a small bit of copper, then plastic. Obviously want to clamp before junctions but its all lead.
Is the only way to bond after the T on the copper and then again in the copper in the bathroom?
TIA
Kind Regards, David
Just out of interest (long time i know) try Sicame Electrical Developments welcome a part of Hepworth group for lead clamps. Cheers
 
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DaveyD

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Bonding to Water - lead pipe ... tut tut
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