Public

Private

• ADIF

• Ministry of Public Works

•  

  Local Spanish Administrations

• Dragados
• FCC
• OHL
• Sacyr
• Ferrovial
• Ortiz
• Aldesa
• Sando

• Copisa
• Assignia
• Isolux-Corsán
• Dragados USA
• Dragados UK
• HNTB
• Dr Sauer GmbH
• Pertus tunnel AEIE

Tunnels and underground works

Structures

• Activity Areas:
  • High speed railway tunnels.
  • Urban tunnels.
  • Underwater tunnels.
  • Cut and cover tunnels.
  • Caverns.
  • Analysis of operating safely.
  • Tunnel installations.
  • Road and highway tunnels.
  • Underground stations.
  • Settlement Mitigation measures.
• Experience: (last 15 years)
  • Studies: > 200.
  • Projects:
    • General: > 170 Units (200 km underground works).
    • Metro: 64 station (88 Km).
    • Road and Railway tunnels: > 85 km.
    • Urban tunnels: > 150 km.
  • Supervision works: > 70 Units.
  • Technical assistant: > 20 Units.

• Activity Areas:
  • Conceptual Design.
  • Basic Engineering.
  • Preliminary Design.
  • Detailed Design.
  • Structural pathology reports, structural capacity assessment and strengthening design.
  • Construction services.
• Experience: (last 15 years)
  • According to type of project:
    • High speed railway viaducts: > 30 Units.
    • Road Viaducts: > 70 Units.
  • According to typology:
    • Arch bridges (up to 150 m of span): 2 Units.
    • Box girder bridges (up to 60 m of pushed span): 6 Units.
    • Box girder bridges (up to 90 m of overhanging span):
      2 Units.
    • Box girder bridges (up to 80 m of conventional span):
      22 Units.
    • Slab voided / slab bridge (up to 50 m of spam): 98 Units.
    • Precast concrete / Steel girder bridge (up to 38 m of span): 136 Units.
  • Others:
    • Overpasses: > 70 Units.
    • Underpasses: > 250 Units.
    • Footbridges: > 20 Units.
    • Construction: > 200,000 m2.
    • Underground structures metro stations: 8 Units.
    • Other special structures: high seismicity, settlement and temporary structures.