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  • Sewer gas smell...?

    So, I go to this job this morning, the scope of work that I had bid was to replace a shower valve, and install a new tile in shower drain, and to replace the existing vintage price pfister 2 handle tub valves on the same wall, back to back.

    When I get there, problem 1, the GC is only "mostly done" with the demo, and then the laundry list of T&M items start coming. Most are self explanatory, however I spent an hour looking through access holes that they had cut underneath another bathroom in a living room that had previously had a bad wax ring, that had been repaired. (Why the contractor opened the wall/ceiling access holes I don't know) After they opened these access holes a strong sewer gas smell appeared. visually, everything looks ok from what I can see through the access holes, but the stench is there.

    One thing I was thinking is, could the smell be from sewage contaminated lath/plaster and just need some airing out, or am I looking for a broken pipe, uncapped cleanout, unterminated vent etc?

    Last sewer gas problem I encountered was from a "rarely used" jet tub that the trap seal had evaporated on, I don't think this one is going to be that easy...I think I'll throw in the sewer cam tomorrow just in case...

    What do you guys think?

    Greg

  • #2
    Re: Sewer gas smell...?

    greg, a sewer cam would not be my choice of tools on this problem.

    a micro would be able to look into the wall and ceiling cavities better than a camera into an old line.

    i would perform a proper waste and vent test and have the damaged plaster removed for a better view.

    check for any moisture stains and follow them.

    rick.
    phoebe it is

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    • #3
      Re: Sewer gas smell...?

      Damaged plaster was to be removed on Wed, so we'll see how far they got Thurs am.

      Greg

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      • #4
        Re: Sewer gas smell...?

        If the visual test doesn't show something obvious the good old smoke test might help out if the conditions are right to do it.
        Seattle Drain Service

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        • #5
          Re: Sewer gas smell...?

          Turns out it was the smell of death, not dookie-found 1 rat skeleton, and 1 mostly decomposed rat found in the wall, the thing that gets me is, the owners of the house have 2 golden retrievers. Seems to me that those dogs would have been going crazy even smelling through the walls.

          Greg

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          • #6
            Re: Sewer gas smell...?

            I hate that dead rat smell in the walls one of the worst smells I think.
            Seattle Drain Service

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            • #7
              Re: Sewer gas smell...?

              Had a service call just a few weeks ago, sewer smell.
              As soon as I smelled it I was sure it wasn't the sewer.
              Looked around and noticed a thing of mouse poison...immediately suggested we check with the condo next door, same problem.
              Sure enough, dead mouse inside the wall between units.

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