Japanese knotweed soil remediation

Taking measures to help maintain a positive approach to the environment provides benefits in itself as well as promoting a good image.

The work carried out on a construction site can cause a multitude of environmental effects to the local area.

It is important that contractors manage the impact they may cause during the project and ensure that they consider the post completion impact on the local community.

The example below shows how a site dealt with an invasive plant species from future growth and potential damage:

• The site used a method of soil remediation to tackle the highly invasive plant species known as Japanese Knotweed. It is popularly known for its rapid growth over large areas causing structural damage issues to foundations and problems for future planning;
• The technique includes an excavation of the soil up to 2 meters deep using a small machine which then separates and isolates the affected rhizomes in the soil. The infested soil remains are bagged and shipped away from site and disposed of correctly;
• This process could be completed entirely on site, which saved a huge number of traffic movements;
• The remediated soil was then immediately re-used on site.

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