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Line blockage irregularities pose significant risks to the safety of track workers and the safe passage of trains. An analysis of line block irregularities in the Southern region has identified root causes in the quality of planning, plan validation, and plan execution.
The Southern region seeks a line blockage tool that enables signallers to rely on the capability and integrity of the signalling system to identify omissions in either the planning or execution of line blockages. This tool must demonstrably reduce the risk of line blockage irregularities through improved or simplified processes enabled by technology. It should validate planned protection limits relative to a given worksite to calculate the 'minimum protection requirements' and suppress route-setting commands that could compromise worksite safety.
The tool must be compatible with existing Network Rail line blockage systems and offer a user-friendly interface for operational deployment. It should also be modular, allowing for future functionality enhancements.
The desired outcome of deploying this system is a reduction in irregularities and an increased likelihood of delivering planned work efficiently and safely. To facilitate prompt rollout to the operational railway, any future procurement will prioritize tools that are substantially developed, have a clear route to ergonomic approval and product acceptance, or are already product approved.
The supplier of this tool must have a proven track record of delivering software and/or safety-critical systems within Network Rail, demonstrating an understanding of product acceptance, relevant safety authorization processes, and stakeholder acceptance.
Full product requirements are explained later in this document.
Project Objectives:
1. Safety Enhancement:
o Suppress route-setting commands that could compromise worksite safety.
o Provide additional protection to reduce the risk of line blockage irregularities.
2. System Integration:
o Compatibility with multiple signalling interlocking systems.
o Capability to function across multiple workstations.
3. Operational Efficiency:
o Deploy protection to the signaller's workstation with minimal process steps.
o Store and manage a library of cyclical and pre-planned line blockages.
o Provide an overview of all active and planned line blockages to signallers.
4. User Interface and Ergonomics:
o Design with ergonomics approval to minimize user interface risks.
o Validate requests before deployment to the signaller's workstation.
5. Modular and Extensible Design:
o Modular structure to link or update additional functionalities.
o Potential to link to Railhub or similar platforms.
6. Emergency Management:
o Capability to manage emergency requests and ensure safe system reset.
o Provide appropriate alerts and system health indications.
Functional Requirements:
Non-Functional Requirements:
Supplier Capability and Experience Requirements:
No supplier information available.
This procurement was divided into 1 lots, each awarded separately.
| Lot | Value | Status |
|---|---|---|
| Lot 1 | - | planned |