Sump discharge line broken


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Old 11-07-19, 07:48 AM
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Sump discharge line broken

Hi,

My sump discharge line has broken outside the house right at the foundation, I noticed water shooting out there yesterday when the sump was running. It is a 1.5" ABS pipe. I have no idea how far it runs away from the house as I have never had to deal with it in 13 years of being there. I attached a few pictures of the inside and outside.

We also have a corrugated plastic line running from my front downspout out to the street which is only a couple feet from the sump line, this was also there when we moved in and has never been an issue, it is common in my area. I'm wondering if the sump line could be tied into it, I guess the only was to find out is to start digging.

I realize that I'll have to replace at least the section of pipe that runs into the house or the entire thing, there is currently what appears to be roofing tar around the interior and exterior where the pipe enters and exits the foundation. Is it easy to remove the pipe from the foundation. Is this a big job or relatively minor, just some labor/digging and re-plumbing this interior line?

Sorry for the crappy pics, especially the exterior one, it was tough to get a good pic, the crack is right where the pipe enters the house.

Thanks
 
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Last edited by mylobear; 11-07-19 at 07:50 AM. Reason: clarification
  #2  
Old 11-07-19, 08:30 AM
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Your going to have to dig it us, that may give some indication as to what happened.

If there is sufficient un-broken pipe on the outside I'd just repair, if it's cracked into the wall then you have no option to remove and replace!

Usually they dont go through the walls as that is potential water leak!
 
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Old 11-07-19, 08:39 AM
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I would class it as a relatively minor repair.

If the tar is old and hard then you may be able to just chip it out.
If still flexible it may take a little more effort. Perhaps try heating it up with a heat gun.
 
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Old 11-07-19, 08:50 AM
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I dug out around the line about 4-5 feet from the house, the rest of the line seems fine just broke at the foundation.
Our soil is mainly clay and throughout the summer it dries out and compresses and resaturates over the fall so I think that is the cause of the crack. I definitely need to replace the section into the foundation.
Having the discharge through the foundation wall is normal in my area, all of my neighbors have the same setup. It did get me thinking though. The discharge line is only 6-8" below ground and being in Canada must freeze over the winter, granted the sump never runs in the winter unless we get a ton of rain, I've never had an issue with it. In my neighborhood it is common to see sump lines running into the ditch by the street and running year round though.
 
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Old 11-07-19, 11:50 AM
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If you have never had a problem then it is probably OK
Hard to tell what if any slope is on the pipe.

I would use pea gravel around the pipe for a couple feet from the hose.
That should help eliminate any movement due to frost.
 
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Old 11-07-19, 12:18 PM
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I would guess there is very little slope on the pipe but without digging a whole trench I can't be sure nor do I know how far it runs, I'm assuming to the street just like everyone else's in the neighborhood, unfortunately I don't have a ditch in front of my house, where everyone else's exits the ground, mine was filled in with a rain runoff pipe underground running parallel to the road before we moved in years ago.

I've literally never had an issue before so I'm gonna take the pea gravel idea and do that, replace that section of pipe and hopefully be done with it.

Thanks!
 
  #7  
Old 11-20-19, 08:13 AM
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Got this finished but it was a bit of a PITA, had to do more digging and and rigging things up than should have been necessary.

The 1.5" pipe was almost cleanly broken about an inch from the exit of the foundation. The old pipe exited the house and after about 8 inches had a 22.5 degree elbow on it pointing down to the left. The 1.5" pipe continued down to the left for about 10-12 inches and then "joined" a smaller diameter abs pipe, it appeared to be 1.25" pipe, it wasn't fitted to the smaller pipe just slipped over it. Somehow this was not leaking even though it was not a solid connection.

Once I got it all dug out I made the decision to to rerun the new pipe from inside the house and re-plumb the interior which was fine. I got an adapter and glue the new 1.5" to the 1.25" pipe in the ground I got it all run and went to glue the adapter and discovered that the smaller diameter pipe was not 1.25" but something smaller between 1 and 1.25".
The exterior of the smaller pipe was too small for the 1.25 end of the adapter.

It was now getting cold and dark and we were due for 10" of snow the next day so I made the decision to dremel the inside of the 1.5" pipe a tiny bit to get the smaller pipe to tightly fit into it, I glued them, let them settle for a bit, tested the new discharge and no leaks so I filled the hole mostly with gravel and rocks to support the new pipes and filled in the hold, so far so good a week and a half later.
 
 

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