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Thread: Bottom drain problem
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21-10-2020, 05:56 PM #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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21-10-2020, 06:27 PM #2
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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21-10-2020, 06:52 PM #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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21-10-2020, 07:11 PM #4
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21-10-2020, 07:18 PM #5
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21-10-2020, 07:37 PM #6
He did solvent weld the pipe into the spigot on the bottom drain Thats a lot of water loss
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21-10-2020, 07:43 PM #7
Last edited by algarth; 21-10-2020 at 07:46 PM.
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21-10-2020, 09:15 PM #8
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?2016 new 6000 gallon pond
https://www.koiforum.uk/pond-construc...ghlight=feline
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21-10-2020, 10:22 PM #9
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21-10-2020, 10:25 PM #10
Feel for him, horrible problem to have
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22-10-2020, 01:38 AM #11
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.2016 new 6000 gallon pond
https://www.koiforum.uk/pond-construc...ghlight=feline
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22-10-2020, 05:29 AM #12
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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22-10-2020, 05:48 PM #13
Strange how its was ok for 5 weeks then just started loosing water mmmmmm??????
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22-10-2020, 09:12 PM #14
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22-10-2020, 10:35 PM #15
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23-10-2020, 08:33 AM #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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23-10-2020, 10:52 AM #17
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 TLast edited by algarth; 23-10-2020 at 10:54 AM.
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23-10-2020, 05:59 PM #18
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23-10-2020, 06:15 PM #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
Ken
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23-10-2020, 06:19 PM #20
Bottom drain problem
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freddyboy Thanked / Liked this Post
Running heater at low temp?
Covering the pond with polycarb should be enough to stop water temps dipping below 6C for the most...