The works consisted of the Conditioning and improvement of stability on the slopes between the Deba and Zumaia stations of the Bilbao-Donosti Line, for this, the following actions were carried out:
- Execution of 1.5 m concrete walls, reinforced and moored on the existing ones.
- Projection of a layer of sprayed concrete in certain areas together with the drilling of bolts, californian and mechinales drains.
- Placement of triple twist meshes.
- Guided detritus.