Trago Mills Construction

Client:Kier
Discharge Point:Surface Watercourse

Background

Kier is managing the construction of a new Trago Mills superstore in Merthyr Tydfil, South Wales. The periods of heavy rain experienced in the local area since the construction began last year have been resulting in large amounts of water runoff mixing with exposed soil particles from the stripped surface at the site. This silty water is dirty and discoloured and if it gets into the water course could lead to harm to fish and the natural environment.

 

The Overall Objective

To consistently clean the water to a high standard to allow it to be discharged safely and legally into the surface watercourse.

 

Solution

Siltbuster installed a 2-stage chemical mixing process followed by gravity settlement to remove any slow settling solids that have mixed into the water from the soil. The system comprises an MT8 mixing tank and an HB50 settlement unit.

Dr Richard Coulton, CEO of Siltbuster Group, said: “The glacial geology of the local area means that the site sits on a mix of large, heavy gravel, silt and sand held together with clay – so when it comes into contact with water, it’s a pretty dirty combination.  Thanks to our treatment systems, we’ve been able to ensure that any water present on the site is cleaned to the highest standards making it completely safe to discharge back into the local environment.”

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