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    Surface Erosion Explained
  • Stormwater Run-Off Pollution

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The Problem

Many construction activities result in disturbed or bare ground that is vulnerable to weather erosion (e.g. building areas, haul roads, spoil heaps and quarries). The consequential silt laden stormwater run-off, plus site debris, often contaminates surrounding land, watercourses, lakes and drains - resulting in significant environmental pollution and potentially costly fines.

However, due to the on-going nature of construction works, it is generally not possible to protect exposed surfaces until the project is complete. So stormwater from such sites remains one of the largest unaddressed non-point sources of water pollution in the UK.

But, with the introduction of Hy-Tex Terrastop™ Premium silt fence, there is now a practical, economic and effective method to reduce run-off pollution.

The Solution

Terrastop™ Premium is a special, high quality, permeable, technical filter fabric that can be installed as an entrenched vertical perimeter barrier fence, and is designed to intercept and detain run-off, trapping harmful silt through settlement and filtration before it leaves the site.

Although the benefits of silt fences have yet to be widely utilised in Britain, the concept is not new. Silt fences have been used extensively in other countries for many years, and their proven performance (Intercepting up to 86% of suspended solids [Horner et al. 1990]) has made them a standard Best Management Practice on a diverse range construction projects, while in-depth research and practical experience has identified the most important characteristics for effective results.

Key Features

Based on this invaluable knowledge, Hy-Tex Terrastop™ Premium has been designed to exceed the highest standards, incorporates many unique features, and is also "CE Mark" certified for erosion control applications in accordance with new mandatory European requirements.

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