leak on rising main

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Hi, i hope this is the right sub forum.

we think we have a small leak on rising main, we think the leak just below the floor void in the kitchen where the rising main emerges from the concrete floor. (i know there is a void as i have previously seen this, almost like a concrete suspended floor if that makes sense)

there is no water in the kitchen or any damage whatsoever, above ground. we think we have this leak as we can hear it, had a good feel around but cant feel anything, but cant reach down into the void due to the kitchen sink carcass.

we have home insurance and we have been in touch with them, they will happily pay for trace and access however these trace companies say they will find the location of the leak however if they need to remove any kitchen furniture they wont and i have to find someone else. home insurance dont have authorized people for this and want me to arrange and re-imburse me before their contractors come in to make good.

plumbers tell me i need a kitchen fitter and kitchen fitters say take it up with my home insurance.

this is an almost brand new kitchen, 8 months and went into 5 figures. naturally we want to cause least destruction as possible however equally want to get to this and sort it fast.

i have a one man marching band coming over later to have a look, kitchen, bathroom fitter and seasoned plumber and other building work aswell.

my question is, realistically, can this be done with little destruction to the kitchen in your experienced opinions.

can the kitchen sink carcass alone be removed to allow the plumber to get to the floor without too much damage, obviously sink will need removing and plumbing undone etc

or am i in dreamland and should expect a sledge hammer approach to this.

any reassurance or advice would be great.
 
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Yes, 1 unit out, floor boards up and a small dig by the sounds of it.

How big is the void? They might be able to get to it from another room if there’s enough space.
 
Once the sink and relevant plumbing have been removed ,the base unit can almost certainly be removed , worktop will need to be supported.
 
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thanks all for the reassuring replies.

had the chap come out yesterday evening to take a look at the situation. he did confirm there is a leak. booked in for wednesday to to carefully remove the sink and carcass along with the plumbing to effect a repair, put all back and make good. quoted me £380 for the days work.

he is sure there wont be any damage to the kitchen in the removal etc. this has given me some sense of peace over the weekend.

insurance assessor came round yesterday, stated there was no water damage anywhere in the kitchen so looks like its all under the void.

from when building the kitchen i know we have that thick walled black plastic pipe, do fittings for these still exist to allow easy-ish repair.
 
Yes, they are called Philmac and yours will very likely be the 20 or 25mm ones.
 
Sorry to bring up an old thread. The works were completed today. Top guy the chap was. Wouldnt even know he has been. Was very involved work. Kitchen sink needed removing from worktop followed by the carcass etc.

Leak was found. It was a joint below ground which was leaking. According him it was the wrong fitting and the pipe was not cut square

He has repaired and made good the area. Pleased the result. Will need to let the floor underneath dry now . Anticipate it will take a while and hoping for no lasting damage
 

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I hope that brass compression fitting underground is dzr (dezinctification resistant).
 
I hope that brass compression fitting underground is dzr (dezinctification resistant).

He did make a song and dance when he came to quote and said the fitting is likely wrong and that he needs to ensure the fitting is suitable to use underground.

He did go away for an hour and said he needs to go and buy the specialised fitting.
 
'Leadloc' fitting, lead pipe to copper. I'd look into getting that lead replaced, some Water Companies have a 'Lead replacement programme', it would be worth enquiring.
 
'Leadloc' fitting, lead pipe to copper. I'd look into getting that lead replaced, some Water Companies have a 'Lead replacement programme', it would be worth enquiring.

Hi, we do not have a lead pipe, we have a black plastic pipe.
 
Fair enough, surprised he's used a brass fitting in that situation then, plastic would have been easier I'd have thought.
 

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