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View the thread, titled "External Stop taps" which is posted in UK Plumbers Forums on UK Plumbers Forums.

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Hi all,

Every now and again I come across the age old problem of the internal stop tap not working, like most of us out there, the easy solution is to open the external chamber, turn off water, make repairs turn back on again but BEWARE after a recent visit to an empty property (customer in hospital long term) I was faced with leaks galore caused by vandals. After many attempts to switch water off and contain the leaks I found myself outside at the ci chamber digging out allsorts of muck before turning off the water. I was then able to make my repairs, no problem !
Well there was no problem until I attempted to turn the water back on again, the tap must have sheared due to age. I know the customer was long term in hospital but her daughter visited the property regularly to clean up so the water had to be back on.

I phoned utilities who told me the external tap is their property and i should not be touching it, it could potentially lead to prosecution, so i asked how else was i to make my repairs if i could not turn the external tap off answer was pinch pipe (ok if its mdpe) but its lead, i said well you have to dig on the customers boundary and put a new external stop tap in, this still meant i needed to isolate some how. I have replaced thousands of lead mains under the governments scheme and all i used to do was dig to the salt glaze chamber and turn off tap , make adjustments and turn on again.

Now it seems you can not do this . Fortunately because the property was empty and I said it was a bad leak they had a team round the same day and replaced the tap , otherwise it could have cost £500+ that i would of had to pay .

So has anyone else had this problem , I have tried to find ways to overcome this, sometimes i have been succesful, after speaking to a company in London recently who freeze pipework, they did not recommend freezing the incoming service unless you can guarentee two machines on it like an anaesthatist in a hospital operation. Ideas and thoughts welcomed!!! 🙂
 
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As far as I was aware the external stopcock was the water boards property but is ok to be used to isolate if required

If it fails they replace

I would have argued the same about how else to isolate the water.

Consider the fact that they are targetted to reduce wasted water I would say your doing them a favour by using it
 
Ive frozen loads of these with the cheap spray can like freezers,never ever had a proble Id rather freeze the pipe than try and turn off an old stop tap thats under 2ft of soil if it looks bad. I tried to turn one off in nottingham city centre once, It turned but didnt turn off the water, then when I turned it back on water started pi++ing out of the hole flooding the street. Ive even snatched pipes live before to get a new stop tap on.
 
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