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UK diy (uk.d-i-y) For the discussion of all topics related to diy (do-it-yourself) in the UK. All levels of experience and proficency are welcome to join in to ask questions or offer solutions. |
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#1
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What the best (but cheapest) way of tracing a mains water pipe in the
ground on private property. Is ther any thing I can buy, relatively cheaply ?? |
#2
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![]() "gray" wrote in message ... What the best (but cheapest) way of tracing a mains water pipe in the ground on private property. Is ther any thing I can buy, relatively cheaply ?? If plastic it's not easy - if lead or galv barrel then normal metal detecting techniques. If you set a mains tap to be running so it is just cracked open and 'hissing' it is possible, with a steel probe, to hear the hiss along the pipe for quite a distance. The method is to press the probe into the ground and rest your ear against the upper end - don't get carried away and bang the probe through the pipe! If you have access to one end of the pipe you can insert a stiff wire and use a C-Scope or similar cable detector with the 33kHz genny connected to the wire AWEM |
#3
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I was thinking more along the lines of what I have seen the gas boards
use. Its yellow with a handle, doh doh its hard to describe. I've got an old steel pipe that runs down my garden, its now got a hole in it, with water coming out. Repair people say I should replace all of the pipe as its old and perforated. The only proplem is, that the main pipe feeds my house and 3 others, but this pipe carries on down into my garden. But I do not know where it goes too. Apart form turning the stop cock and seen if any one shouts. The only way I can think of is to track it with some sort of detector. Not even sure if you could hire them. |
#4
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On Sun, 22 Mar 2009 13:33:23 +0000, gray wrote:
I was thinking more along the lines of what I have seen the gas boards use. Its yellow with a handle, doh doh its hard to describe. I've got an old steel pipe that runs down my garden, its now got a hole in it, with water coming out. Repair people say I should replace all of the pipe as its old and perforated. The only proplem is, that the main pipe feeds my house and 3 others, but this pipe carries on down into my garden. But I do not know where it goes too. Apart form turning the stop cock and seen if any one shouts. The only way I can think of is to track it with some sort of detector. Not even sure if you could hire them. You mean these: http://www.hss.com/g/49514/Detector.html |
#5
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On Sun, 22 Mar 2009 13:35:33 GMT, PCPaul wrote:
http://www.hss.com/g/49514/Detector.htm Yes thats the thing. Not sure what I would need from the list of bits. I take that these things are expensive to buy. Any idea who might supply them ?? |
#6
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gray wrote:
On Sun, 22 Mar 2009 13:35:33 GMT, PCPaul wrote: http://www.hss.com/g/49514/Detector.htm Yes thats the thing. Not sure what I would need from the list of bits. I take that these things are expensive to buy. Any idea who might supply them ?? The company featured in the link - HSS. And almost all plant hire companies will have them too....according to the link, they are about £40 for the first day. -- Phil L RSRL Tipster Of The Year 2008 |
#7
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![]() "gray" wrote in message ... On Sun, 22 Mar 2009 13:35:33 GMT, PCPaul wrote: http://www.hss.com/g/49514/Detector.htm Yes thats the thing. Not sure what I would need from the list of bits. I take that these things are expensive to buy. Any idea who might supply them ?? Yep, and that's the C-Scope I referred to several posts earlier !!!! AWEM |
#8
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On Sun, 22 Mar 2009 13:33:23 +0000, gray
wrote: I was thinking more along the lines of what I have seen the gas boards use. Its yellow with a handle, doh doh its hard to describe. I've got an old steel pipe that runs down my garden, its now got a hole in it, with water coming out. Repair people say I should replace all of the pipe as its old and perforated. The only proplem is, that the main pipe feeds my house and 3 others, but this pipe carries on down into my garden. But I do not know where it goes too. Apart form turning the stop cock and seen if any one shouts. The only way I can think of is to track it with some sort of detector. Some (most?) plastic pipes are laid with a tracer wire wrapped loosely around or close to them for this very purpose. -- Frank Erskine |
#9
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gray wrote:
I was thinking more along the lines of what I have seen the gas boards use. Its yellow with a handle, doh doh its hard to describe. I've got an old steel pipe that runs down my garden, its now got a hole in it, with water coming out. Repair people say I should replace all of the pipe as its old and perforated. The only proplem is, that the main pipe feeds my house and 3 others, but this pipe carries on down into my garden. But I do not know where it goes too. Apart form turning the stop cock and seen if any one shouts. The only way I can think of is to track it with some sort of detector. Not even sure if you could hire them. You can detect underground pipes with a simple AM tranny radio with a ferrite rod internal antenna. Not it MUST be a medium/log wave AM radio not FM not digital. Tune to a signal Turn the radio until the rod ariel is vertical and note that the signal disappears or becomes very noisy. Hold the radio in this position and walk over the area with the pipe or cable in. As you approach the pipe the signal will re-appear, then when you are directly over the pipe it will disappear again and then when you walk past the pip is will reappear for a short distance and then disappear once more. This effect will only be noticed for reasonably long pipes/wires and you must cross the track of the pipe not just pass the end of it but it does work and is the principle used but commercial detectors. Bob |
#10
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On Mar 22, 9:12*am, "Andrew Mawson"
wrote: The method is to press the probe 9metal rod) into the ground and rest your ear against the upper end - don't get carried away and bang the probe through the pipe! or through your head! Robert |
#11
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"gray" wrote in message
... What the best (but cheapest) way of tracing a mains water pipe in the ground on private property. Is ther any thing I can buy, relatively cheaply ?? Dowsing rods like ebay item 250390401499. Look it up, read the words. [You may need to grow a beard first] :-) Seriously my gut reaction is that dowsing is complete horse****....but I know a couple of people who swear by it. Perhaps you have a chance to prove/disprove the technology. D |
#12
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"Vortex3" wrote:
"gray" wrote in message .. . What the best (but cheapest) way of tracing a mains water pipe in the ground on private property. Is ther any thing I can buy, relatively cheaply ?? Dowsing rods like ebay item 250390401499. Look it up, read the words. [You may need to grow a beard first] :-) Seriously my gut reaction is that dowsing is complete horse****....but I know a couple of people who swear by it. Perhaps you have a chance to prove/disprove the technology. I do dowsing using copper brazing rods. I don't care whether it is horse**** or not - it works. It must be because I have a beard. ;-) |
#13
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Bruce wrote:
I do dowsing using copper brazing rods. I don't care whether it is horse**** or not - it works. I should have added ... copper brazing rods *that cost pennies*. |
#14
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Bruce wrote:
Bruce wrote: I do dowsing using copper brazing rods. I don't care whether it is horse**** or not - it works. I should have added ... copper brazing rods *that cost pennies*. Spendthrift! What's wrong with old coathangers? They breed in wardrobes and cost nothing. ;-) Tim |
#15
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Vortex3 wrote:
"gray" wrote in message ... What the best (but cheapest) way of tracing a mains water pipe in the ground on private property. Is ther any thing I can buy, relatively cheaply ?? Dowsing rods like ebay item 250390401499. Look it up, read the words. [You may need to grow a beard first] :-) Seriously my gut reaction is that dowsing is complete horse****....but I know a couple of people who swear by it. They should go and take the James Randi Challenge then, and earn themselves a cool million: http://www.randi.org/site/index.php/1m-challenge.html So far nobody's managed to win it, curiously enough. David |
#16
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Lobster wrote:
Vortex3 wrote: "gray" wrote in message ... What the best (but cheapest) way of tracing a mains water pipe in the ground on private property. Is ther any thing I can buy, relatively cheaply ?? Dowsing rods like ebay item 250390401499. Look it up, read the words. [You may need to grow a beard first] :-) Seriously my gut reaction is that dowsing is complete horse****....but I know a couple of people who swear by it. They should go and take the James Randi Challenge then, and earn themselves a cool million: http://www.randi.org/site/index.php/1m-challenge.html So far nobody's managed to win it, curiously enough. There's nothing remotely "paranormal" about dowsing. It's all about detecting subtle changes in the earth's electro-magnetic fields caused by buried services and underground flows. Dowsing isn't well understood and there isn't, as yet, a demonstrable scientific explanation. That may come in time. But even if it doesn't, all that matters is that it is a useful, easily learnt, practical technique that can help you find buried pipelines, cables and other significant underground features. There's no need to "believe" in it. It isn't something that depends on "faith". There's nothing "paranormal". It just works. .. |
#17
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Bruce wrote:
Lobster wrote: Vortex3 wrote: "gray" wrote in message ... What the best (but cheapest) way of tracing a mains water pipe in the ground on private property. Is ther any thing I can buy, relatively cheaply ?? Dowsing rods like ebay item 250390401499. Look it up, read the words. [You may need to grow a beard first] :-) Seriously my gut reaction is that dowsing is complete horse****....but I know a couple of people who swear by it. They should go and take the James Randi Challenge then, and earn themselves a cool million: http://www.randi.org/site/index.php/1m-challenge.html So far nobody's managed to win it, curiously enough. There's nothing remotely "paranormal" about dowsing. It's all about detecting subtle changes in the earth's electro-magnetic fields caused by buried services and underground flows. Dowsing isn't well understood and there isn't, as yet, a demonstrable scientific explanation. That may come in time. But even if it doesn't, all that matters is that it is a useful, easily learnt, practical technique that can help you find buried pipelines, cables and other significant underground features. I can understand how there could well be some scientific basis for it, but Randi certainly classes it as paranormal activity and apparently dowsers are the largest group of applicants for the prize - but he hasn't paid out yet, so go figure! http://www.randi.org/site/index.php/...ay-9-2008.html I heard him talking about it on TV once - ISTR he had a test consisting of several buried pipes, through which water could be diverted at will - genuine dowsers ought to be able to detect reproducibly which pipes had water running through them - but they couldn't. David |
#18
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Lobster wrote:
Bruce wrote: Lobster wrote: Vortex3 wrote: "gray" wrote in message ... What the best (but cheapest) way of tracing a mains water pipe in the ground on private property. Is ther any thing I can buy, relatively cheaply ?? Dowsing rods like ebay item 250390401499. Look it up, read the words. [You may need to grow a beard first] :-) Seriously my gut reaction is that dowsing is complete horse****....but I know a couple of people who swear by it. They should go and take the James Randi Challenge then, and earn themselves a cool million: http://www.randi.org/site/index.php/1m-challenge.html So far nobody's managed to win it, curiously enough. There's nothing remotely "paranormal" about dowsing. It's all about detecting subtle changes in the earth's electro-magnetic fields caused by buried services and underground flows. Dowsing isn't well understood and there isn't, as yet, a demonstrable scientific explanation. That may come in time. But even if it doesn't, all that matters is that it is a useful, easily learnt, practical technique that can help you find buried pipelines, cables and other significant underground features. I can understand how there could well be some scientific basis for it, but Randi certainly classes it as paranormal activity and apparently dowsers are the largest group of applicants for the prize - but he hasn't paid out yet, so go figure! http://www.randi.org/site/index.php/...ay-9-2008.html I heard him talking about it on TV once - ISTR he had a test consisting of several buried pipes, through which water could be diverted at will - genuine dowsers ought to be able to detect reproducibly which pipes had water running through them - but they couldn't. James Randi is a magician by background & well aware of unscientific claims. The test you refer to is the Kassel Dowsing Test. Scientifically faultless & conclusive. None of the dowsers could achieve results better than chance. Its the ideomotor effect. http://en.wikipedia.org/wiki/Ideomotor_effect The money is still up for grabs http://www.randi.org/site/index.php/...verything.html -- Dave - The Medway Handyman www.medwayhandyman.co.uk |
#19
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On 22 Mar, 11:38, "Vortex3" wrote:
Dowsing rods like ebay item 250390401499. *Look it up, read the words. Fabulous! 8-) Mind you: "There is no tracking on this type of shipping" Why would they need tracking through the postal system? Surely they could just ask their crystal-powered spirit guide? [You may need to grow a beard first] * *:-) Were beards the fashion in Atlantis, or did they favour flippers and Bermuda shorts? |
#20
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On Sun, 22 Mar 2009 11:38:46 -0000, "Vortex3"
wrote: "gray" wrote in message .. . What the best (but cheapest) way of tracing a mains water pipe in the ground on private property. Is ther any thing I can buy, relatively cheaply ?? Dowsing rods like ebay item 250390401499. Look it up, read the words. Whilst reading their blurb I swear I could hear banjos a playing in the background. |
#21
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On Sunday, 22 March 2009 08:58:33 UTC, gray wrote:
What the best (but cheapest) way of tracing a mains water pipe in the ground on private property. Is ther any thing I can buy, relatively cheaply ?? Anyone just reading this now, re plastic water pipe, if you an an idea were it is likely to be you can use fencing wire to gauge the length, curl the end of the wire round neatly and tape it so it does not chafe the pipe, disconect the mdpe pipe at a accessible point and feed the wire down, if there are no other services near such as cables you may with a good detector be able to find the wire, alternatively hire a 'CAT SCAN and GENNY' you connect the genny to the fencing wire or other wire you have put down the pipe, this generates a radio signal and the cat scan detects this very easily, playing with this i managed to locate a 32mm mdpe plastic pipe all the way from my house under the garage floor and across my paddock for about 50yds the pipe was burried 2 feet down, 3 feet under the paddock. you can also locate plastic drains this way. Where i drew my line maker paint when i dug the hole it was within 2" of my line |
#22
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wrote:
On Sunday, 22 March 2009 08:58:33 UTC, gray wrote: What the best (but cheapest) way of tracing a mains water pipe in the ground on private property. Is ther any thing I can buy, relatively cheaply ?? Anyone just reading this now, re plastic water pipe, if you an an idea were it is likely to be you can use fencing wire to gauge the length, curl the end of the wire round neatly and tape it so it does not chafe the pipe, disconect the mdpe pipe at a accessible point and feed the wire down, if there are no other services near such as cables you may with a good detector be able to find the wire, alternatively hire a 'CAT SCAN and GENNY' you connect the genny to the fencing wire or other wire you have put down the pipe, this generates a radio signal and the cat scan detects this very easily, playing with this i managed to locate a 32mm mdpe plastic pipe all the way from my house under the garage floor and across my paddock for about 50yds the pipe was burried 2 feet down, 3 feet under the paddock. you can also locate plastic drains this way. Where i drew my line maker paint when i dug the hole it was within 2" of my line Our neighbours are waiting for this as I type. They have a leak in their incoming mains but no idea where the pipe runs as the house has been extended many times. Tim -- Please don't feed the trolls |
#24
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