A sustainable restoration
To ensure a sustainable restoration, the exploitation method used was back filling. A method which allows to carry out simultaneously the exploitation and restoration work. Therefore, we need not to wait until the end of the mining project to start undertaking the restoration work of the entire surface affected.
During this process, both the external and the internal mine waste tip have been given the shape of waves similar to those of the relief in the environment. Subsequently, they are covered with topsoil and then they are fertilised and sown with native plants. The final stage of the restoration project of a mining project is the recovery of the final pit, generally through storing water.
The success of a sustainable restoration is to achieve a balance between the water mass, the development of the riverside plants and colonisation of the native fauna. We have been able to reach that balance in As Pontes, Peñarroya, Andorra and Puertollano, four natural spaces recovered which are a benchmark in sustainable development.
As highlighted by Antonio Hermosilla, who from the Endesa Mining Administration and Management Area has directly experienced this evolution, it is very gratifying to see that we have contributed to creating something. “Where you heard the echo of co-workers and machines, now you hear the sound of birds, fauna and amphibians”.