Demolition works of piers and parapets and installation of safety barriers and underpinnings in the insular road network of Gran Canaria by lots: lot 1- summit and midland area; lot 2 - south, north and west zones; Lot 3 - Indoor network and downtown area
Lot 1: Summits and midlandsLot 1: Summits and midlands
Lot 2: south, north and westLot 2: south, north and west
Lot 3: internal and central networkLot 3: internal and central network