Infra Ingénierie supports the SNCF Group in developing railway infrastructure across France and abroad, with expertise in all the relevant technical fields.

At the heart of the railway system
Infra Ingénierie is the uncontested leader in the field of railway engineering and has over 3,600 staff across France and experts working around the world. Its expertise involves managing projects for clients, especially on operational networks, designing and reviewing systems and providing technical assistance with maintenance, to ensure safety, quality and financial performance.

Infra Ingénierie - key figures

€460 million turnover in 2010
1000 km of new lines constructed in 15 years
15,000 km of lines electrified
20,000 km of line explored every year
20,000 structures inspected every year

4 main fields of operation
Technical and Systems Engineering - we develop the railway system to optimise performance and life cycle cost while guaranteeing the integration and coherence of its components.

Project engineering - we design technical solutions and build structures in response to a client request.

Operations and maintenance engineering:
- Operations engineering - we design network operating principles in order to optimise use in accordance with safety rules.
- Maintenance engineering - we set technical maintenance rules and perform expert reviews and network monitoring tasks on behalf of the body responsible for maintenance.

Research & Development - we invent or import technical solutions, tools, methods and innovative products to reduce production, operation and maintenance costs.

A wide range of services
- Assistance to the project owner
- Project oversight on operational networks
- Project management
- Design and development of products and systems
- Consultancy, expertise and technical assistance with design, production, operation, monitoring and operational maintenance of all components of railway infrastructure.

Expert reviews of an entire railway system
- Civil engineering: bridges and major structures, earthworks, urban integration, geotechnics, hydraulics
- Railway engineering: design of the railway system, track engineering
- Electrical engineering: fixed electric traction facilities, signalling, telecommunications, laboratory and on-site measurements and tests
- Environment: integration of lines in the landscape, reduction of noise pollution, treatment of waste and pollution
- And specific studies on operations, design and layout, video surveillance and passenger information, tests and measurements, operational safety and property assistance.

Contact
For additional information, please contact the Sales & Marketing department at: infraig.commercial@sncf.fr

Some of Infra Ingénierie's work