Solid State Interlocking (SSI) Data Services

Solid State Interlocking (SSI) Data Services

Introduction

SSI is recognised as the standard electronic interlocking system across the UK due to its flexibility and widespread application.

Key Features

DeltaRail offers the provision of SSI data design, installation and commissioning of equipment, and the provision of support at the Signalling Centre.  lt provides know-how to assist in the project definition phase of SSI-based schemes and input into the outline project specification, signalling design specification and assists with defining key early design parameters.

SSI Data Preparation

DeltaRail's licensed designers produce or modify SSI data, usually from source information (Scheme Plan, Control Tables etc.) provided by the client.  For smaller schemes, we are also able to produce the source information.

All SSI data is produced, 'set to work' and is independently bench-checked by IRSE licensed staff using our Design Workstation (DWS) facilities in Derby.

Testing and Installation

DeltaRail's licensed testers undertake principles testing on SSI data modifications or new interlockings using our simulated interlocking equipment at Derby, overseen by a nominated Tester-in-Charge (TIC).

Data is soak-tested on real interlocking equipment and prepared for installation.  Our testing staff can install the equipment on-site, either under our own TIC or, for infrastructure projects, under a third-party TIC.  For infrastructure projects, signal box assistance can be provided with through-testing and other functional/confidence testing.

Benefits

• Provides reliable SSI design, installation and commissioning and support.
• DeltaRail expertise provides benefits from ongoing SSI developments and improvements.
• For IECC® schemes, integration of SSI data preparation and testing with the IECC® works reduces interface risk and maximises efficiencies in the SSI / IECC® interface.