main protective bonding.... supplementry bonding

[i=p/u]

was working today in house and plumber has pulled boiler and water tank out ripping all bonding off. the existing pipe work had supplementry bonding across pipes.

question.. can i leave the supplementry bonding off too new pipework if have main protective bonding to my oil and water and circuits are rcd protected

 

[telectrix]

without seeing the job, and doing a few tests. can't say for certain, but probability is.. yes you can.

 

[i=p/u]

just cut the bonding.. and i found one end still connected.

dont i have to get on the first pipe leaving the boiler before jumps into 4 to 5 pipes

 

[telectrix]

you should, by rights, insist on the numpty ( sorry, plumber) reinstating every connection that he has interfered with. trhen it's back to how it was.

 

[i=p/u]

il kill him

 

[i=p/u]

spark v plumber, and he battering him with plastic conduit, and the plumber has the old boiler as a shield. so on

 

[i=p/u]

il wrire it in my we book for extras..

isnt it insulation resistance test you would carry out..

 

[i=p/u]

the pipes from the oil/boiler come from the water supply, so why does the oil/boiler need bonded

 

[Des 56]

You are ensuring no extraneous conductive path can introduce a potential, by bonding at point of entry of these parts

If they happen to be jointed somewhere along the way.it makes no difference to the reason for main bonding the entry point

 

[Guitarist]

the pipes from the oil/boiler come from the water supply, so why does the oil/boiler need bonded

It's the oil pipes that need the main bonding back to the CU if they could introduce a potential.
The water pipes in/out of the boiler should already be bonded due to your main bond on the incoming water supply.

 

[Geoffsd]

was working today in house and plumber has pulled boiler and water tank out ripping all bonding off. the existing pipe work had supplementry bonding across pipes.

It was probably only there in the first place at the insistence of a plumber.

question.. can i leave the supplementry bonding off too new pipework if have main protective bonding to my oil and water and circuits are rcd protected

As Tel said.

However the boiler commissioner may insist you replace it.

 

[i=p/u]

but if i stick a 10mm before the pipe work kicks off to radiators , it should cover this ???

 

[ackbarthestar]

but if i stick a 10mm before the pipe work kicks off to radiators , it should cover this ???

You can rely on what others say, or you can reassure yourself whether its necessary by checking the continuity/insulation between the services and other metalwork.

Its your call.

 

[Guitarist]

Firstly, I'm glad I could help regarding boiler bonding....
Secondly, what is your earthing arrangement? Does the installation have an RCD?

 

[i=p/u]

yeah rcd board.. tnc-s

 

[Guitarist]

If the house is protected by an RCD and you have 10mm bonding to all incoming services, then it is unlikely you will need any additional bonding between various boiler pipes.
As already said tho, hard to say for certain without seeing it.

 

[i=p/u]

il take my camera tomorrow guitarist by then you can explain me how to upload to this forum.. they always seem to big.

 

[ackbarthestar]

il take my camera tomorrow guitarist by then you can explain me how to upload to this forum.. they always seem to big.

I attempted to upload 4 * 4MB. The whole process went on for ages and then failed.
I would suggest that you change the settings in your camera to 640 *480 pixels. This then will allow you to upload your pictures easily

 

[Guitarist]

As ack says, take the pics in a lower res.