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ENVIRONMENTAL REHABILITATION OF MINING SITES IN PORTUGAL

TETRAPLANO Engenharia, a COBA Group Company, was contracted by EDM – Empresa de Desenvolvimento Mineiro to review the Final Design of the Chemical and Radiological Decontamination and Environmental Rehabilitation of the Old Chemical Treatment Workshops and Buildings of Urgeiriça Old Mines.

The works to decontaminate the various buildings – chemical treatment facility, walkway and crushing plant, mechanical workshop, support houses 2 and 3, warehouse, garage and offices – include soil and subsoil decontamination inside and outside the buildings, respective pavement replacement, structures and equipment cleaning and decontamination inside the buildings. It is also included the improvement of the building structural conditions and the removal and sealing of asbestos cement boards, over a total area of 4000 m2.

It is also planned the construction of a new building with a construction area of 630 m2 close to the offices building which will keep its façades; this building is to be used as offices, or eventually as university pole.

At the same time, a 30 000 m3 capacity containment cell will be designed to store contaminated materials, this cell will be dully isolated through compacted clay layers and HDPE geomembrane, being provided with a drainage system, in accordance with typical solutions for this type of structures.

Lx, 20 Fev 2015