Sewage Treatment Plant Inspections

Old or new it is important to get your sewage treatment plant regularly inspected and emptied, many people are told that it is not a requirement to get your sewage treatment plant inspected. Ask yourself this question, “Do I need to get my car regularly maintained to ensure it works correctly?” the answer is the same for all ‘off mains drainage systems including sewage treatment plants’ YES!!

Whether your sewage treatment plant discharges into a drainage field or soak away pit you must ensure the system is operating correctly and the treated effluent is being separated from all solid waste.

If you’re looking for a company that can check and verify your system operation look no further.

Common problems causing your Sewage Treatment Plant to fail: -

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    Collapsed baffle

    This is part of the system designed to separate the solids and liquids during the treatment process.

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    Damage to the dip pipes or tee pieces

    Also designed to prevent the transfer of Fats/Oils/greases between treatment zones or more importantly the plant discharge.

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    Hydrostatic Pressure

    External water pressure/ground water can cause the plant to fracture or move within the ground. Also, inlet and outlet pipes can crack or become displaced. In extreme circumstances the plant can even pop out of the ground.

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    Ground Movement or landslip

    Ground settlement is common over the years and can cause displacement of pipework or accidental damage to baffles. If the plant isn’t level the treatment process could be compromised

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    Root Damage

    Tree Roots and roots from bushes can find their way around the tank and into the joints. This causes sewage treatment plants to split or create irreparable GRP damage. The result can be the untreated effluent leaving the plant and contaminating the surround.

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    Vehicle Damage

    Common in agricultural areas where heavy vehicles can pass over land where there is a drainage field collapsing pipes and preventing tanks from discharging. Also plants that have been installed in vehicle areas can be subject to ground movement or load shock from above. This can result in cracks and displaced joints.

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    Incorrect Installation

    Unfortunately there is no governing body that ensures sewage treatment plants are installed correctly. This sometimes leads to plants having the incorrect backfill media or none at all. Also, in some cases, the plant will move and pop out of the ground as a result.

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    Lack of maintenance

    It’s important to ensure correct operation and stop small minor failures becoming large expensive ones. This is whether you have a sewage treatment plant or pump chamber Regular annual maintenance is essential.

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    A change in ground conditions

    Throughout the years the natural water table moves up and down depending on area and amount of rainfall. A tank installed 10 years ago in perfectly dry conditions may have only required a pea gravel backfill or similar material. Fast forward 10 years and the water table has risen significantly. This creates a wet site and your plant could well be surrounded by water. It may therefore become displaced or pop from the ground. This is because there is nothing substantial holding it in.

Sewage Treatment Plant Inspections

CCTV Surveys

If you’re moving house or buying a new property with a sewage treatment plant we can also provide a full health check and system report for your peace of mind.

If you’re unsure whether your sewage treatment plant meets the new general binding rules give ADP Environmental Services a call and we can offer a free site inspection.

Once we know the type and condition of your system, we offer a quote for any recommendations. This may also include repairs or a replacement sewage treatment plant and soak away/drainage field.

Sewage Treatment Plants

Request a Quotation

If you’d like a quotation for a sewage treatment plant inspection, we’d love to hear from you. Please leave us your details below and we’ll come back to your at the earliest opportunity. Thank you!

    Find out more about our sewage treatment plant services in your area

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