Drainage services, drainage maintenance, underground interceptor maintenance, interceptor alarm maintenance

Andel provides a comprehensive range of drainage services to customers throughout the UK. With over 10 years experience in drainage maintenance, our experience covers everything from unblocking drains, drainage surveys, site inspections, cleaning, repairs and renovation to specialist underground interceptor maintenance.

Our highly trained drainage teams are equipped with state-of-the-art equipment including remote control CCTV systems supported by industry- leading Wincan software, satellite technology for tracing and mapping and high-pressure jetting units using recycled water – we operate safely and professionally, delivering the best solution, to every customer, every time, regardless of the size of the job.

Drainage services

Interceptor services

Typical Andel activities on an interceptor waste and drainage site visit

Andel protects the environment from the risk of pollution by maintaining your interceptors and surface water drainage systems, keeping you compliant with regulations at all times, wherever you are in the UK. The illustration below shows a range of site activities undertaken on a typical site visit and inspection. You can use your mouse to hover over any number to see a description of the activity (or touch on a touchscreen device).

We inspect and certify, we carry out full drainage trace surveys and mapping as required by the emergency services, as well as drain-condition surveys using state-of-the-art equipment including camera probes, camera-mounted robots and industry-leading WinCan reporting software. Andel’s site surveys will give early warning of any potential problems, highlighting any remedial work required and eliminating any risk of a pollution incident through failure of your drainage system.

Our team of fully-trained and fully-equipped operatives will carry out any remedial work needed, such as repairing and unblocking damaged drains and gullies including tree root cutting and removal.

Environment Agency guidelines state that interceptors should be inspected regularly with a major structural survey every five years.

Andel provides a comprehensive and cost-effective service for underground interceptors, our engineers are trained to carry out work to the highest standards.

Andel inspections and the monitoring of interceptor alarm equipment and auto-closure devices will eliminate the risk of a pollution incident and will give early warning of any potential problems.

Andel provides a comprehensive interceptor tank maintenance, installation and commissioning service. For interceptors that have been installed by a third party we check that all aspects of the installation have been undertaken correctly:

Ensuring the interceptor is watertight
Inspection of the filter to ensure security and positioning is correct
Inspection of the alarm system and auto-closure devices
Calibration of the oil layer thickness probe
Inspection of the chambers for any sign of silt.
Planned interceptor maintenance.

If an interceptor needs emptying, we use environmentally-friendly, de-watering tankers that only take away contaminants and not grey water. Andel’s tankers are equipped to extract the contents of the tank on site, separate the water from the oil, silt and any other impurities and return the grey water to the tank.

Because we are not carrying grey water around in our tankers, we are able to cover several sites in one day – offering a lower cost to customers.

Because we are refilling the interceptor with the filtered water from the tanker– we avoid the costly and time-inefficient exercise of refilling the interceptor tank from the mains water supply – saving customers time and money as well as conserving water and reducing environmental impact.

Also, our mileage is reduced as we can avoid having to make repeat visits to waste disposal sites – reducing costs and reducing diesel emissions from our tankers.

Typical Andel site activities include drain condition surveys using state-of-the-art CCTV camera-mounted robots and industry-leading Wincan reporting software. Our fully-trained operatives repair and unblock damaged drains and gullies including tree root cutting and removal. Interceptors are regularly inspected and maintained and only emptied when required by environmentally-friendly, de-watering tankers which only take away contaminants and not grey water – which means cost savings for customers, water conservation and reduced environmental impact.

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Typical Andel activities on an interceptor waste and drainage site visit

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