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Roots entering drains and subsequent drain blockage is a common problem on drains adjacent to planted areas. Roots infiltrate drains either through defective pipe joints or cracks, fractures and holes in the pipework. Assuming the pipework is not badly damaged, roots can often be removed by electromechanical root cutting or high pressure jetting using a jetting head designed for roots. Our engineers are trained to identify indications of roots whilst clearing blocked drains and may recommend a drain CCTV Survey following clearance of the blockage or possibly due to failure to clear. This is often essential if considering recovery of costs from your insurer. If roots are suspected from the outset, our blockage units can be equipped with specialist plant to allow their effective removal. Following removal of roots, we may recommend either patch lining or full lining of the affected length to prevent recurrence of ingress of roots.
In some instances where roots are extensive, damage to the pipework is so great that the appropriate solution is excavation and replacement of the drain on-line, requiring tree removal. Alternatively, diversion of the drain may be appropriate, where the trees are protected. Costs arising from roots in drains are often covered by Domestic Property Insurance, as tree root damage to drains is normally considered to be “accidental Damage”. When dealing with tree roots, we will always ensure adequate evidence is documented, and a suitable report provided.
Cooking and dishwashing activities may eventually result in a grease build up within your drainage system. A minor build up in your gullys, private drains and inspection chambers is normal, but excessive grease or fat within a drainage system can result in regular blockages. Prevention is cheaper than the cure. Don’t pour fat down the sink. Always pour into a suitable container and allow to cool, followed by disposal with your domestic refuse. Clean out external foul gullys before they become full and allow grease to pass downstream.
Grease can be effectively cleared by high pressure jetting, which will break up the deposits and prevent downstream problems. Manual rodding in this situation is not recommended as it is likely to merely concentrate the problem downstream, allowing the blockage to quickly reoccur. In extreme cases, grease build up can be so extensive that the only solution is manual excavation from inspection chambers, in order to allow access into pipework to high pressure jet the system. We do not use caustic chemicals to free grease-clogged drainage systems, as we believe they are expensive, ineffective and not environmentally friendly. EDS are registered waste carriers and are authorised to remove waste grease to registered disposal sites.
Surface water gullys around your property are designed to intercept silt before it reaches the drain. The downstream drain may contain surface water only and drain to a surface water outfall or possibly to a soakaway. In older areas, surface water may drain to a combined drain (shared with foul effluent). In all cases, where gullys exist, they should be inspected annually and emptied to avoid silt entering underground drains.
Deposited silt reduces the capacity of the pipe and can lead to flooding under heavy rainfall or regular blocked drains if the drain is combined. If you experience regular flooding or regular blockages, it may be due to silted drains. Other indications of silted drains include, for example, a gradual reduction in a garden’s ability to drain after heavy or sustained rainfall, or ponding on a driveway. Where soakaways exist, heavy siltation can render the soakaway useless and result in expensive replacement costs.
Moderately silted drains are generally easy to clear using high pressure jetting. However, if siltation becomes excessive & compacted, then matters are complicated significantly. Newer properties may not have rainwater gullys, in which case the rainwater down pipe connects directly into underground pipework, rendering regular maintenance difficult. If action is taken in the early stages of siltation, then expensive replacement works can usually be avoided. We offer a full service for dealing with silted drains and can advise on future maintenance to prevent further blockages.
If you have an urgent blocked drain problem, why not call us NOW, we can resolve drainage emergencies TODAY. Alternatively, visit our Blocked Drains page for helpful guidance on choosing a contractor (hopefully us!).
A surprising number of blockages are caused by toys or fresheners entering drains or toilet pans. Many are the result of the accidental flushing of nappies or other sanitary waste down the WC. Blockages due to toys etc, whilst highly disruptive, can generally be easily removed by electro-mechanical rodding or high pressure jetting. Items must be removed from the system rather than being moved by rodding to prevent further downstream blockages.
Similarly, installation of service trenches (gas, water, cable etc) can commonly result in accidental drain damage. Frequently, damage from service installation contractors is only discovered after several years, when the service passing through the pipe eventually causes a blockage, or the pipework deteriorates until collapse.
If you are proposing to undertake building works, such as conservatory construction or even erection of a new fence, it is always advisable to check the location of your drainage system prior to commencement of works, in order to prevent accidental drain damage and subsequent disruption and costly repairs.
Structural defects in a drainage system, such as fractured pipes, displaced joints and intruding connections may not present an immediate threat to the structural integrity of the pipe. However, they can cause repeat blockages, as they provide an obstruction for solids and debris to become snagged on.