| 45230000 |
Construction work for pipelines, communication and power lines, for highways, roads, airfields and railways; flatwork |
Works for complete or part construction and civil engineering work |
| 45234113 |
Demolition of tracks |
Construction work for railways and cable transport systems |
| 45310000 |
Electrical installation work |
Building installation work |
| 31321000 |
Electricity power lines |
Power distribution cables |
| 45314300 |
Installation of cable infrastructure |
Installation of telecommunications equipment |
| 45314310 |
Installation of cable laying |
Installation of telecommunications equipment |
| 45316200 |
Installation of signalling equipment |
Installation work of illumination and signalling systems |
| 45316000 |
Installation work of illumination and signalling systems |
Electrical installation work |
| 45234100 |
Railway construction works |
Construction work for railways and cable transport systems |
| 45234114 |
Railway embankment construction work |
Construction work for railways and cable transport systems |
| 45234115 |
Railway signalling works |
Construction work for railways and cable transport systems |
| 50225000 |
Railway-track maintenance services |
Repair, maintenance and associated services related to railways and other equipment |
| 50220000 |
Repair, maintenance and associated services related to railways and other equipment |
Repair, maintenance and associated services related to aircraft, railways, roads and marine equipment |
| 34942000 |
Signalling equipment |
Railway equipment |
| 45234116 |
Track construction works |
Construction work for railways and cable transport systems |