Elizabeth Line Signalling Power and E&P

Production of detailed design for over 160 locations integrating new PSPs and FSPs for the migration to Class II signalling power system.

Client

Network Rail

Project Completed

March 2018

The Challenge For Softech

In the area between Liverpool Street and Shenfield, along the Great Eastern Railway (ELR LTN1), signalling location suites faced a challenge. The existing infrastructure utilized IT Class 1 radial feeders feeding BX650 supply, which did not comply with the requirements of BS 7671. Complicating matters, source records were scattered across various projects, making the consolidation of information and design production an arduous task.

ES5 Designs

160 Locations Designed

Signalling Power

New PSPs and FSPs

E&P

Replacing obselete assets

Softech’s Solutions

Softech efficiently tackled the challenge by implementing a comprehensive strategy, replacing non-compliant radial feeders with dual end-fed Class II ring networks. Overcoming logistical hurdles, we meticulously designed solutions for over 160 locations along the Great Eastern Railway between Liverpool Street and Shenfield, integrating new Power Supply Points (PSPs) and Functional Supply Points (FSPs).

criss crossed rail alignment design engineered by a railway pway design team

Our approach prioritised safety, managing touch voltages and ensuring proper termination of CPCs. By securing necessary ODAs for source records, we seamlessly executed the migration to a Class II signalling power system, demonstrating both technical prowess and effective project management.

The Result

By implementing these changes, the entire signalling power supply system received enhanced protection, ensuring compliance with safety standards and addressing the shortcomings of the previous Class 1 system. This comprehensive upgrade not only met the regulatory requirements but also contributed to the overall reliability and safety of the signalling infrastructure between Bethnal Green and Shenfield on the Great Eastern Railway.

Feedback

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How would you rate the technical knowledge and skills of Softech Rail’s staff?

5/5

How likely is it that you would be happy to work with Softech Rail in the future?

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"Softech have done a fantastic job...it has been a real pleasure working with them."

Sean Tarpey

“Softech have done a fantastic job in delivering the full scope of work. The Crossrail Engineering Team found their work to be very thorough and it has been a real pleasure working with them.”

Senior Project Engineer (DPE) Crossrail

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