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  1. #1

    Bottom drain problem

    Hi not often I need to ask a question trying to help a customer out glassed his pond about 6 weeks ago held water up till the other night when it lost 150mm overnight been back to have a look over the last couple of days looking like bottom drain pipework any body surgest a fix
    Regards ken unique fiberglass linning

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  3. #2
    Junior Member Rank = Fry pops1968's Avatar
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    Hi
    Have you looked at drain lining.
    Wouldnt know the cost but would be able to complete insitu.
    You would also have to look at the toxicity of the epoxy thats used.
    Hope it helps

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  5. #3
    I had a drain problem, a join on a pipe either failed or I didn’t get it glued properly and looked at alternatives but in the end concluded the best answer long term was to dig it out and replace so I didn’t worry about a fail in a couple of years.

    The only other idea I had was to break into the pipe from outside and try to sleeve it with a 3” pipe inside the 4” pipe, that was only a vague possibility because of the slope of the ground etc, wound have meant a load of epoxy it fibreglassing at the drain end though

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  7. #4
    Senior Member Rank = Nanasai algarth's Avatar
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    Are you sure its the bottom drain or bottom drain pipework? Is it an airated BD?

    Quote Originally Posted by kenalexander@blueyonder.c View Post
    Hi not often I need to ask a question trying to help a customer out glassed his pond about 6 weeks ago held water up till the other night when it lost 150mm overnight been back to have a look over the last couple of days looking like bottom drain pipework any body surgest a fix
    Regards ken unique fiberglass linning

    Sent from my VOG-L29 using Tapatalk

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  9. #5
    Quote Originally Posted by algarth View Post
    Are you sure its the bottom drain or bottom drain pipework? Is it an airated BD?
    Bottom drain pipework put bung in bottom drain pond side took rubber boot off pipe filled pipe to top gone down 30 inches by 10 today yes 30 inch
    Cheers Ken

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  11. #6
    Senior Member Rank = Nanasai algarth's Avatar
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    He did solvent weld the pipe into the spigot on the bottom drain Thats a lot of water loss

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  13. #7
    Senior Member Rank = Nanasai algarth's Avatar
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    sounds like it could be the 90 degree bend if it has one... Im presuming its solvent weld pipe?
    Quote Originally Posted by kenalexander@blueyonder.c View Post
    Bottom drain pipework put bung in bottom drain pond side took rubber boot off pipe filled pipe to top gone down 30 inches by 10 today yes 30 inch
    Cheers Ken

    Sent from my VOG-L29 using Tapatalk
    Last edited by algarth; 21-10-2020 at 07:46 PM.

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  15. #8
    Moderator Rank = Supreme Champion Feline's Avatar
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    Hiya Ken.
    Is this a concrete based pond?
    pressure pipe or waste pipe?
    amy access to the soil around the 90 to see if it’s wet?

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  17. #9
    Quote Originally Posted by Feline View Post
    Hiya Ken.
    Is this a concrete based pond?
    pressure pipe or waste pipe?
    amy access to the soil around the 90 to see if itís wet?
    Hi all concrete have told him if he digs down and exposes wear pipe goes into pond will take a look on Saturday it's pressure pipe that what it had dropped in 10 hrs approx 30 inches

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  19. #10
    Feel for him, horrible problem to have

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  21. #11
    Moderator Rank = Supreme Champion Feline's Avatar
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    Well one good thing is that that 90 is actually accessible and potentially replaceable without having to dig up the base of the pond. If the leak is actually coming from that 90.
    I would be wanting to dry and cover that area and put something absorbent there to show whether there is a leak.
    You could saw the bend off and glue a new one on, or saw off and fit a straight extender on and then an elbow if the distance away from the pond wall is important.

    If the leak is not from that 90 then it would have to be where the pipe is glued into the bottom drain itself which would be buried now and very destructive to fix. That’s assuming you have ruled out a leak between the BD and the FG which I’m sure you have.

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  23. #12
    Member Rank = Nisai pfrosty's Avatar
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    I had the same problem with mine, caused by a school boy error using the incorrect glue. Full bottom drain and pipework had to be removed which involved smashing away the concrete base of the pond around the BD and pipework all the way to the back wall of the pond and underneath. I ended up replacing that section with a 3" BD and pipework then back to 4" when out of ground.
    I know the pain he will be feeling

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  25. #13
    Senior Member Rank = Nanasai algarth's Avatar
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    Strange how its was ok for 5 weeks then just started loosing water mmmmmm??????

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  27. #14
    Senior Member Rank = Kyusai Mikeh83's Avatar
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    Quote Originally Posted by algarth View Post
    Strange how its was ok for 5 weeks then just started loosing water mmmmmm??????
    I agree


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  29. #15
    Settlement cracked the joint possibly?


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  31. #16
    This thread makes me feel sick. Poor guy, depending on available funds I think I would be considering plugging the bottom drain and going pump fed for a while :-(


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  32. #17
    Senior Member Rank = Nanasai algarth's Avatar
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    It looks like to me its where the vertical pipe pushes into the 90 degree bend because you can still see water in the bottom of the vertical pipe.
    If the leak was in the horizontal pipe there would be no water at all
    If you get my drift
    Try lifting the vertical pipe out....It may not be glued

    Gary T
    Last edited by algarth; 23-10-2020 at 10:54 AM.

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  34. #18
    Quote Originally Posted by algarth View Post
    It looks like to me its where the vertical pipe pushes into the 90 degree bend because you can still see water in the bottom of the vertical pipe.
    If the leak was in the horizontal pipe there would be no water at all
    If you get my drift
    Try lifting the vertical pipe out....It may not be glued

    Gary T
    Hopefully Gary's right, if the drains bunged pond side and that is where the water level stays at, I'd say there is hope on an easier fix than if it was the horizontal pipe within the concrete.
    Fingers crossed
    Jay

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  35. #19
    OK today managed to free up a few hours this morning to have a proper look at the pond for him found the problem 90%Bend leeking managed to remove and replace for him 48hr check hopefully everything is Bottom drain problem Bottom drain problem
    Ken

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  37. #20
    Senior Member Rank = Kyusai Mikeh83's Avatar
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    Bottom drain problem

    Quote Originally Posted by kenalexander@blueyonder.c View Post
    OK today managed to free up a few hours this morning to have a proper look at the pond for him found the problem 90%Bend leeking managed to remove and replace for him 48hr check hopefully everything is Bottom drain problem Bottom drain problem
    Ken

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    Thatís a result. How did you remove it. If you managed to get it off without cutting then it could not have been welded.

    Fingers crossed Bottom drain problem


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