Our ServicesOverhead Contact System dynamic performance

Identify the dynamic interface performance in new, existing and ‘legacy’ infrastructure and drive design and investment decisions to improve the network performance.

Our ServicesOverhead Infrastructure condition monitoring

Train-Borne data are analysed using in-house tools to resolve OCS infrastructure defects – we don’t find the issue we rectify the problem. We look after the infrastructure and can identify system defects down to individual components such as droppers or low hanging wire on cross-overs.

Our ServicesPantograph performance and fleet homologation

We support rolling stock homologation and certification to the route. We employ a data driven approach together with the infrastructure insights to improve the understanding of the new fleet performance and mitigate performance and safety risks identifying during testing.

Our ServicesInfrastructure construction assurance and system validation

Pioneering construction assurance techniques to provide comprehensive view of the system interface performance and satisfy Notified Body (NoBo) and Designated Body (DeBo) requirements towards new electrification and new overhead systems validation
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D-RSS

Dynamic – Rail System Simulation (D-RSS)

is the in-house dynamic interface modelling tool validated to EN 50318:2018 and tested in several systems across the world. Incredible results are enabled by direct insights of the as-fitted infrastructure, such as implementing the as-build infrastructure geometry and the in-depth knowledge of pantograph hysteresis and aerodynamic effects to the interface performance.

Our Projects

Check our wide range of successfully delivered projects

Testimonials

Read what our clients have to say about our work and us.

T-RIS have been instrumental in developing the UK rail industry’s understanding of the critical pantograph/overhead contact system interface…

Paul Hooper,
Atkins Fellow, Professional Head of Discipline – Electrification, Transportation

…They have been an integral part of the development process providing not just industry leading technical expertise but innovative strategic thinking along the way…

Adam Benwell
Chief Engineer, Programme Manager, Innovation, Central Rail Systems Alliance

Working alongside T-RIS for construction assurance to K2C Middland Mainline Electrification has provided SPL and clients with unprecedented confidence…

Simon Skinner
Contractors Engineering Manager for L2C, Head Of Engineering For SPL, UK

T-RIS and Nikos have been instrumental in providing insightful and expert technical solutions for the Sydney Metro project…

Rahul Chowdhury
Associate Director Engineering, Sydney Metro City and Southwest 

The techniques that Nikolaos has developed will undoubtably continue to push out the boundaries of what is possible, and will be instrumental in securing more reliable performance of electric railways…

Peter Dearman
Engineering Consultant, Permanent Way Institute president