Pilot Dredging Treatment Site in Coventry

The Canal & River Trust recently opened a pilot dredging treatment site near Coventry as part of plans to carry out £80 million worth of dredging over ten years.

With new legislation, the cost of disposing of dredging via landfill has increased dramatically in recent years, and the site should provide a cost efficient place to process dredgings that aren’t suitable for other uses, such as being spread onto agricultural land or re-profiling eroded canal banks.

As it is now illegal to take ‘wet waste’ to landfill, the Trust has reached decision to explore other avenues of processing dredgings. Because of the nature of the charity’s dredging work, which can result in lots of material being dredged at once, it is difficult and costly to find companies to take the dredgings.

The site has been set up in partnership with Land & Water and FCC Environment Ltd, and the trial is part of investigating the need for, and viability of, setting up a network of such sites.

More opportunities

The first 3,500 tonnes of dredged material was taken to the new site in March (with more arriving throughout the year), with the Trust monitoring how quickly and efficiently it takes to dry out.

The site includes drying lagoons which drain the wet dredgings. This opens up opportunities for a range of uses for the dredged material including: landscaping; capping for landfill sites and; use in land restoration.

The volume of material should dry down by a third on average, which reduces the amount going in to landfill, and the associated costs.

 

 

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