Invasive Vegetation Management & Treatment Limited


Case Study


Site - Development site in Wolverhampton, WV6, former allotments.

Planning - Construction of 8 flats, with completion required prior to August 2008.

Problem - Site contaminated with Japanese knotweed, one stand of approximately 75 square metres, one of approximately 5 square metres. Japanese knotweed was also present in adjacent gardens.

IVM Solution - Oversee excavation and removal of contaminated soils, using the reduced dig methodology. Environment Agency Guidelines recommended that somewhere in the region of 1100 cubic metres of contaminated soil needed to leave site. Under IVM's expert supervision, this figure was reduced to only 45 cubic metres, a 95% saving in soils leaving site.

To overcome the problem of the knotweed in the adjoining gardens, IVM supplied and installed a root barrier system on the site boundary, to protect the site from re-infestation.


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