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DIY Sewer Line Repair TrailRunner 08-20-2006
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Posted by TrailRunner on August 20, 2006, 3:39 pm
The sewer line that leads from my kitchen stack has a leak. (We have an
odor and a slight amount of water between the basement slab and the
garage slab.) The stack goes under the basement slab. I'm wonder if
this is something I can repair. I have installed gas water heaters,
rebuilt my kitchen, rebuilt my bathroom which involved a good amount of
demolition, built a deck. If I had a guide of what to do and some help
from the forum I think that I could do it. From the kitchen I have 3"
(I think) copper coming down, which unions to 3" cast iron, which goes
under the floor.

>From what I can imagine, I would have to break the slab around the
stack, and follow the pipe until I found the leak. If I'm lucky it
might be close to the stack. Then, I'd have to cut out the bad section
and replace it with PVC. And, replace the concrete. I know this is a
huge simplification.

Is there a DIY guide out there? Is it a foolish idea to attempt this
myself?

1. Would you break the concrete with a demoliton rotary hammer? A
sledge?
2. How wide an area do you need to break up?
3. After you find the leak, how much further do you need to go?
4. What do you cut the pipe with?
5. What kind of coupler/union do you use to go from cast iron to
schedule 40? What kind of glue and primer does schedule 40 need. (I
have a good pluming supply house close.)
6. What kind of coupler/union do you use to go from copper to schedule
40?

Thanks!

Dan


AppliancePartsPros.com, Inc.
Posted by Speedy Jim on August 20, 2006, 5:09 pm
TrailRunner wrote:
> The sewer line that leads from my kitchen stack has a leak. (We have an
> odor and a slight amount of water between the basement slab and the
> garage slab.) The stack goes under the basement slab. I'm wonder if
> this is something I can repair. I have installed gas water heaters,
> rebuilt my kitchen, rebuilt my bathroom which involved a good amount of
> demolition, built a deck. If I had a guide of what to do and some help
> from the forum I think that I could do it. From the kitchen I have 3"
> (I think) copper coming down, which unions to 3" cast iron, which goes
> under the floor.
>
>>From what I can imagine, I would have to break the slab around the
> stack, and follow the pipe until I found the leak. If I'm lucky it
> might be close to the stack. Then, I'd have to cut out the bad section
> and replace it with PVC. And, replace the concrete. I know this is a
> huge simplification.
>
> Is there a DIY guide out there? Is it a foolish idea to attempt this
> myself?
>
> 1. Would you break the concrete with a demoliton rotary hammer? A
> sledge?
> 2. How wide an area do you need to break up?
> 3. After you find the leak, how much further do you need to go?
> 4. What do you cut the pipe with?
> 5. What kind of coupler/union do you use to go from cast iron to
> schedule 40? What kind of glue and primer does schedule 40 need. (I
> have a good pluming supply house close.)
> 6. What kind of coupler/union do you use to go from copper to schedule
> 40?
>
> Thanks!
>
> Dan
>

Yes, you could do it. See what books may be at the library.

http://www.fernco.com/home.asp
has the couplings needed.
To join to the existing copper, use a rigid ProFlex series 3001 coupling.
Inspect the copper carefully as it has remarkably short life
in sanitary DWV service.

You can cut cast iron with a soil pipe cutter (ask at the supply house)
or with a Sawzall (tedious).

You could run into clay pipe under the slab too.

Any chance the run could be placed *above* the slab?

Jim

Posted by hallerb@aol.com on August 20, 2006, 5:22 pm
any cjhance your sewer is backing up? might be a good idea to try a
snake first

line underground may be terracota if home is older


Posted by TrailRunner on August 20, 2006, 7:05 pm
Thanks. The slab is in my basement, so I'm going to rip up the slab,
repair and put the concrete back.

Thanks for the fernco website. I can borrow a soil pipe cutter. I'll
check out the copper.

Thanks,

Dan


Speedy Jim wrote:
> TrailRunner wrote:
> > The sewer line that leads from my kitchen stack has a leak. (We have an
> > odor and a slight amount of water between the basement slab and the
> > garage slab.) The stack goes under the basement slab. I'm wonder if
> > this is something I can repair. I have installed gas water heaters,
> > rebuilt my kitchen, rebuilt my bathroom which involved a good amount of
> > demolition, built a deck. If I had a guide of what to do and some help
> > from the forum I think that I could do it. From the kitchen I have 3"
> > (I think) copper coming down, which unions to 3" cast iron, which goes
> > under the floor.
> >
> >>From what I can imagine, I would have to break the slab around the
> > stack, and follow the pipe until I found the leak. If I'm lucky it
> > might be close to the stack. Then, I'd have to cut out the bad section
> > and replace it with PVC. And, replace the concrete. I know this is a
> > huge simplification.
> >
> > Is there a DIY guide out there? Is it a foolish idea to attempt this
> > myself?
> >
> > 1. Would you break the concrete with a demoliton rotary hammer? A
> > sledge?
> > 2. How wide an area do you need to break up?
> > 3. After you find the leak, how much further do you need to go?
> > 4. What do you cut the pipe with?
> > 5. What kind of coupler/union do you use to go from cast iron to
> > schedule 40? What kind of glue and primer does schedule 40 need. (I
> > have a good pluming supply house close.)
> > 6. What kind of coupler/union do you use to go from copper to schedule
> > 40?
> >
> > Thanks!
> >
> > Dan
> >
>
> Yes, you could do it. See what books may be at the library.
>
> http://www.fernco.com/home.asp
> has the couplings needed.
> To join to the existing copper, use a rigid ProFlex series 3001 coupling.
> Inspect the copper carefully as it has remarkably short life
> in sanitary DWV service.
>
> You can cut cast iron with a soil pipe cutter (ask at the supply house)
> or with a Sawzall (tedious).
>
> You could run into clay pipe under the slab too.
>
> Any chance the run could be placed *above* the slab?
>
> Jim


Posted by HeyBub on August 20, 2006, 5:53 pm
TrailRunner wrote:
> The sewer line that leads from my kitchen stack has a leak. (We have
> an odor and a slight amount of water between the basement slab and the
> garage slab.) The stack goes under the basement slab. I'm wonder if
> this is something I can repair. I have installed gas water heaters,
> rebuilt my kitchen, rebuilt my bathroom which involved a good amount
> of demolition, built a deck. If I had a guide of what to do and some
> help from the forum I think that I could do it. From the kitchen I
> have 3" (I think) copper coming down, which unions to 3" cast iron,
> which goes under the floor.
>
>> From what I can imagine, I would have to break the slab around the
> stack, and follow the pipe until I found the leak. If I'm lucky it
> might be close to the stack. Then, I'd have to cut out the bad section
> and replace it with PVC. And, replace the concrete. I know this is a
> huge simplification.
>
> Is there a DIY guide out there? Is it a foolish idea to attempt this
> myself?
>
> 1. Would you break the concrete with a demoliton rotary hammer? A
> sledge?
> 2. How wide an area do you need to break up?
> 3. After you find the leak, how much further do you need to go?
> 4. What do you cut the pipe with?
> 5. What kind of coupler/union do you use to go from cast iron to
> schedule 40? What kind of glue and primer does schedule 40 need. (I
> have a good pluming supply house close.)
> 6. What kind of coupler/union do you use to go from copper to schedule
> 40?
>
> Thanks!

Don't they make sleeves for just this sort of thing?
> Dan



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