repacing sewer line


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Old 04-21-06, 07:53 AM
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repacing sewer line

I live in an old house with terra cotta sewer piping. From the city to the house has been replaced and the rest of the house is all new plumbing. I have already had one collasped pipe which I temporarily fixed but the whole line needs to be replaced. What type of pipe do you recommend I use - ABS or PVC. The line out to the road was replaced with PVC.

thanks
 
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Old 04-21-06, 08:04 AM
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I would continue with PVC. Some people like the ABS and claim it is easier to work with. Make sure of what materials are permitted in your local area. Good luck.
 
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Old 04-21-06, 09:26 AM
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I might claim that ABS is easier to work with. But I would not use it, especially outside. I would use either schedule-40 PVC, or, if deep enough, SDR-35. 4" gasketed sewer line is easy to assemble (no solvents), the joints are a little over 13', and it is approved in many areas for the outdoor sewer lines.

Since a section is already PVC, it makes to most sense to continue with the same material. From you description I am not clear on what has already been replaced or what exactly collapsed.

If there is vehicular traffic over the line use schedule-40 PVC, keep it is deep as possible, and backfill with a stable material like coarse sand or 1B gravel. Do not cover with just clay as wet clay does distribute the crushing pressure from around the pipe.
 
 

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