Rail Systems

System safety in railway projects is critical. We have solid and extensive experience of engineering safety management, in both metro and main line railway projects. This knowledge and expertise ensure we can fully address client and industry requirements across a number of disciplines, including signalling, power, track and stations, at system and sub-system level.

Nextec staff have been involved in engineering safety management, at both client and contractor level, in the UK and abroad, having worked on large multi-disciplinary railway projects including:

Jubilee and Northern Line Upgrade Project.
Four Lines Modernisation Project.
Paddington to Reading Train Detection Conversion.
Saudi Metro.

In addition, Nextec have worked with major rail clients including:

Crossrail Ltd
London Underground
Thales
Siemens
Alstom

We have been actively involved in the planning and management of engineering safety activities through the application of British and international standards (e.g., BS EN 50126, BS EN 50128, BS EN 50129 and IEC 61508) and the Common Safety Method for Risk Evaluation and Assessment (CSM-RA).

Additionally, we have extensive experience of:

Planning ESM activities and writing safety assurance plans
Hazard Identification workshop planning, managing, and reporting:
- System Hazard Analysis (SHA)
- Interface hazard Analysis (IHA)
- Hazard and Operability Studies (HAZOPS)
- Operating and Support Hazard Analysis (OSHA)
Hazard log/Record management,
Identification of safety requirements,
SIL determination,
Failure Modes and Effects Analysis/Failure Modes, Effects and Criticality Analysis
Fault Tree Analysis in a railway environment
Production of System level Safety Cases, Generic Application Safety Cases, Specific Application Safety Cases to relevant standards

Rail Systems

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