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Experience with installing a pumped sewage system

  • 21-05-2009 10:13pm
    #1
    bowsie casey
    Closed Accounts Posts: 334 ✭✭


    I am having problems with my septic tank for the past 2 years and have decided to take the plunge and connect into the council's scheme which they ran out the front of the house about 5 years ago. The only problem is that the house is 1-2 m lower than the main sewage pipe outside, so we'd need some sort of pumped system to cover the approx 60m distance and 1-2m rise.

    I have a few questions:
    Does anyone have experience in installing such a system ?
    Are there any pitfalls to watch out for ?
    Can you recommend a suitable pump system ?


Comments

  • #2
    Kashkai
    Closed Accounts Posts: 3,399 ✭✭✭Kashkai


    I can see problems with this -

    If your proposed pump fails, the wastewater will flow back to your house and spill over.

    If the Council's pipe if full then the main sewer will also surge into your own pipe.

    The pressure in the Council's sewer (if it is pumped and not gravity fed) could be quite high and you'd need a large pump to force your own wastewater into it, unless you could feed in to the top of the main sewer pipe.

    A possible solution would be to put a pump with timer, on your septic tank that would pump it into the Council's sewer during the night when there would be a lower volume in the main sewer pipe

    Its not impossible to do but you'll probably need an engineer to assess the situation and to deal with the Council on your behalf, as they are unlikely to do the work for you. In any event, the Council will probably look for a "contribution" from you. I've worked with (not for) several engineering companies over the years and could recommend a very good one based in Sligo (who design wastewater treatment schemes) if thats any use to you.


  • #3
    bowsie casey
    Closed Accounts Posts: 334 ✭✭bowsie casey


    Thanks for the reply. Some responses below in bold.

    If your proposed pump fails, the wastewater will flow back to your house and spill over.
    Yeah, would be planning on some sort of non-return valve

    If the Council's pipe if full then the main sewer will also surge into your own pipe.

    The pressure in the Council's sewer (if it is pumped and not gravity fed) could be quite high and you'd need a large pump to force your own wastewater into it, unless you could feed in to the top of the main sewer pipe.
    n/a, Council's system is gravity fed

    A possible solution would be to put a pump with timer, on your septic tank that would pump it into the Council's sewer during the night when there would be a lower volume in the main sewer pipe

    Its not impossible to do but you'll probably need an engineer to assess the situation and to deal with the Council on your behalf, as they are unlikely to do the work for you. In any event, the Council will probably look for a "contribution" from you. I've worked with (not for) several engineering companies over the years and could recommend a very good one based in Sligo (who design wastewater treatment schemes) if thats any use to you.
    Please PM me details


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