Transpennine Route Upgrade, West of Leeds

End Client

Alliance delivery organisation supporting Infrastructure Manager engineering delivery team

Service

System Safety (CSM-RA) and Conformance (National Technical Specification Notices) Management

Country

United Kingdom

Dates

2021 - Present

Key Stakeholders

  • Network Rail Route System Review Panel (NR SRP)
  • Assessment Body (CSM RA AsBo)
  • Approved Body (NTSN ApBo)

Lifecycle Involvement

Preliminary and Detailed Design

Scope

HSRS is leading the System Safety and NTSN compliance workstreams for the W3 project (Huddersfield to Ravensthorpe). Our current GRIP 4 activities include the finalisation of the System Definition, System Safety Plan, and the running of multiple hazard identification workshops to enable detailed updates to the project Hazard Record; utilising our valuable experience gained on the electrification of the Great Western Mainline.

Delivery Challenges

Upon commencing work on the project it was identified that there were a number of challenges surrounding the project:

  • A challenging CSM-RA and NTSN submissions timeline to achieve a supportive Safety Assessment Report (SAR) from the independent CSM-RA Assessment Body (AsBo); potentially leading to failure at the planned GRIP 4 Stage Gate review.
  • Lack of input from Infrastructure Manager Project Engineers and Design Contractor's Responsible Engineers into the resolution of hazardous events captured within the Hazard Record, having the potential therefore that the project would not be able to demonstrate compliance with the applicable safety requirements and therefore commissioning delays.

Benefits Delivered

As part of our activities we have brought a number of benefits to the project:

  • The generation of a detailed CSM-RA and NTSN assurance programme for the W3 project at GRIP 4 (Single Design Option Development) has helped raise awareness across the project of the importance of engagement in the assurance process. 
  • Regular Hazard Record reviews with Project Engineers and Design Contractor's Responsible Engineers enabled sufficient development of safety requirements and inclusion of appropriate compliance statements and evidence referencing for demonstration of risks being reduced so far as reasonably practicable.

Related Services

System Safety Engineering (CSM-RA Compliance)

National Technical Specification Notices (NTSN) Conformance

Training and Webinars

For more information

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