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Standards for pipework and fittings on rainwater tanks

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  1. #1
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    Default Standards for pipework and fittings on rainwater tanks

    Are there any set standards for pipework and fittings on rainwater tanks that are available for the public to look at?

    I have a one year old tank installation done by the builder on a new home. The overflow and inlet pipes have pulled out as the elbows were only siliconed around the outside of the tank. The inlet was put into the side of the tank opposite the overflow. Probably the pressure in the full tank has pushed the pipes out and they are now leaking while it rains. I have a newer tank with a rubber seal and flange attached with stainless steel screws on the overflow pipe to the tank.

    outlet.jpg

    inlet.jpg

    Below is on our new water tank. The overflow connector was installed by the manufacturer.
    new-tank-outlet.jpg

    As there was little drop between the gutters and top of tank the plumber put in a closed system - pipes always full of water. So the water and any debris in the gutters washes through the pipes directly into the tank. There is no strainer or mesh screen on the inlet at all and none on the overflow. How can these even be put in when the inlet is attached directly into the side of the tank? I notice Qld health mandates mesh screens on the overflow and inlet to tanks.

    Below is the inlet from the inside of the tank. How can this be screened and strained so it can be maintained?

    inlet-inside.jpg

    Thanks.

  2. #2
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    Default

    It's a defect.
    Tell the Builder in writing to fix it.

  3. #3
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    Default

    Thanks Cyclic.

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