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Water treatment system

  • 07-07-2019 10:45am
    #1
    looksee
    Registered Users, Registered Users 2 Posts: 28,813 ✭✭✭✭


    I am looking at replacing an old, none-compliant septic tank system with a new system.

    I have found a firm that will install a new system and have an engineer sign it off. This would be convenient as finding an engineer to engage for a single job like this is not easy, and tbh I have no guarantee that an independent engineer that I randomly find would be any more reliable than one that is linked to the firm supplying the equipment.

    Also, I have no familiarity with modern treatment systems. Are they reliable? The one I am looking at seems like a well established German system but it only gives 2 years warranty and there does seem to be a lot more that can go wrong than in an old fashioned septic tank.

    Am I overthinking this, any thoughts or experiences would be appreciated.


Comments

  • #2
    BryanF
    Moderators, Home & Garden Moderators Posts: 10,143 Mod ✭✭✭✭BryanF


    Research Maintenance/running costs
    Also check planning requirements


  • #3
    Car99
    Registered Users, Registered Users 2 Posts: 2,530 ✭✭✭Car99


    Get an independent engineer to spec it . Alot depends on the type of ground you are putting it in , the water table, the permeability of the ground, the proximity to your house and other houses , wells, water courses . Do you need to apply for planning? Where is your percolation area going to be and how large will it be ? How many people max would live in the house. It's not a small job and the cost of the bio cycle system is probably less than half the total cost .

    And read this https://www.epa.ie/pubs/advice/water/wastewater/code of practice for single houses/


  • #4
    shane b
    Registered Users, Registered Users 2 Posts: 598 ✭✭✭shane b


    Id echo what Carr 99 stated above. There are 3 main parts to most wastewater treatment systems, the tank, Biocycle unit and the percolation area. I assume the company are going to install a new tank/treatment unit and connect the wastewater to the current percolation area. Id seek confirmation that the current percolation area is sufficient. its hard to tell with percolation areas as its all underground.

    The other thing to investigate is if there is rainwater ingress along the pipes from the toilets to the tank if possible. I have an issue where when it rains heavy water seeps from the surrounding ground into the pipework at the manholes or somewhere else. I would have to dig up my patio and some of my driveway to remedy the problem. My treatment system pumps out on a timed basis (every 8 hrs) so doesn't cope well with sudden influxes of rainwater. Theres not much point in having a fairly sealed tank if the incoming pipework is porous.

    Regarding reliability most systems have electric blowers or pumps which have to be replaced. Mine is in 4 years without having to replace anything yet. I did have the service company out once as one of the pumps wasn't working but it turned out to be a short in the wiring rather than anything wrong with the pump.


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