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Discussion in 'Irrigation' started by mitchgo, Oct 1, 2011.
If you have it directional bored it shouldn't be anywhere near 10k and little to no mess.
Yeah. We told the the guy that a directional bore this is the more effient way to go . Which we don't have. Our mole just goes straight . I'm going there later today. Gonna try to find the leak and if not were abandoning ship. Just too big of job for us when were not the most cost effective way
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Boots its not too often. Specially now with the price of copper. I just traced a full copper line the other day tho with the 800. Dead on accuracy. Lotvof times its 2 to 5 feet of copper at the meter and at the house. Poly in the middle
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Refering to a directional bore company
The loudest point my accoustical was making was 2.5' into the driveway.. So I cut out 2.5' of asphalt and exposed the line... Nothing.. The line was 34" here and then started diving down at this point..
I still here the leak very very close...
My theory is the leak is still under the driveway just deeper- the loudest point I here is because the piping is shallower here.
This is the first job i've had to abandon.. there's been several I couldn't find the leak but narrowed it down to a 50' span and replaced the section of the service line. .
if that hole were to give way and your helper were to be left dead, you will go to prison.
as lead man onsite, he is your responsability mitch.
shoring is mandatory for employees
Yeah, I understand what you are saying.
The pictures don't really justify the situation. I didn't put anyone in harms way.
The picture of where my co-worker is digging is actually at the water meter. As you can see it was pure rock and only 30" deep. From the meter to the first leak was about 5' . So we had a 3'x5'x30" hole that was mostly road rock.
The picture of where my rockbar is , is where I dug. This was 25' away from the water meter next to the driveway. The 6" perf drain pipe is at 4' . The reason it was underminded like that is because there was drain rock all around the piping. The picture I took is where I was actually digging from. I created a little seat for me so I didn't have to be all the way in the hole. I never saw the piping . I could only feel it with my rockbar
Jim.. any insight on this? After I repaired the first leak.
I would induce air into the piping ( The pipe would be full of water) at 15 psi. While using the acoustical directly on the pipe after 10 seconds I could hear the bubbling. After 20 seconds it was full on bubble. While using the accoustical on the driveway - my loudest point was 3' in. This is where I thought the second leak was. So for my last attempt I cut out the 3' of driveway. Only to find out the piping ( still at 32") began diving down with no leak. My only theory on why the loudest point was here was because it was the shallowest point from where the leak was actually at.
i bring the shoring issue to attention as in 2000' i was involved in a trench collapse, i was in a 3' trench that was 5' wide, wall i was next to fell in on me and i still have a few physical issues as a result.
couple of thoughts, water should be purged from the pipe for the best results for one. if you can induce air from the lowest point of the system you will receive a better noise. if the compromise is large you won't get the high pitch squeal that you want to be hearing.
if the pipe is clear of water and the surrounding soil is saturated you will hear bubbles or unmistakable noises at the compromise. the larger the compromise the harder to hear, the smaller the better and the best is a pin hole or hairline crack. by allowing the pipe to be full or partially full of water you are actually slowing down the leak locating process.
Point well taken! I'm sorry that happened to you jim!
I had one collapse on me as we were doing a sewer tap, scared the pucky out of me as I was 12' down when it let go I could sense the movement and climbed out up the ladder. No near-death experience, but I learned the hard way, as usual.
did you use the broadcast mode or direct connect and FE ground?