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WRAP announces first trailblazer quarry site

 

Scotland will be the base for the launch of the Waste & Resources Action Programmes (WRAP) first trailblazer quarry site, in order to use high quality compost to restore brownfield land.


Lafarge Cements Dunbar Works in
East Lothian , Scotland , will use 2,000 tonnes of BSI PAS 100: 2005 compost in a former quarrying area, to restore and improve the soil for the growth of woodland and grazing areas.

Due to the geology of the quarry, which supplies raw materials exclusively for the cement manufacturing process, a significant quantity of material has to be moved to access its limestone reserves.

Over three million tonnes of material is excavated each year using an opencast strip mining technique.

Although progressive restoration follows this strip mining, the natural topsoils are sandy, stony and nutrient poor, making restoration to a good agricultural standard difficult.

The conditions at
Dunbar have made the quarry an ideal trial site to investigate the benefits of mixing high quality compost with existing soil forming materials to improve soil condition.

Dubar Works quarry manager, Mark Scrutton said: We were interested in green waste compost for the project as it appears to be the best form of organic matter to manufacture soil with, both physically and nutrient-wise.

A large proportion of the project will involve growing grassland and woodland in places where the improvement of soil may significantly enhance the final results.

We hope that the results of the trials will provide valuable information relevant to the whole quarrying and mining industry in the
UK , setting a precedent for similar businesses looking to restore their land.

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