Control System Renewal Programme
Buyer: Transport for London
- Published
- 19 January 2024
- Place of performance
- UKI
- Lots
- 1
- Notice number
- 001906-2024
- Reference
- ocds-h6vhtk-042e74
- Official source
- Official source
CPV codes
- 34632000Railways traffic-control equipment
Description
The London Trams Control system was originally installed in the late 1990s when the system was constructed and comprised two distinct elements: 1. The Trams Management System (TMS), installed in the depot at Therapia Lane and comprises software and hardware components responsible for taking information from equipment across the tram network and providing status and control capabilities to control room operational and maintenance staff. The TMS additionally performs a SCADA function, including software and Remote Terminal Units (RTUs) at the various traction power supply substations positioned across the newtwork. 2. The Programmable Logic Controllers (PLCs) installed at various locations around the tram network, provide autonomous local decision making and control of aspects of the signalling and control system. Communication between these elements is provided by a distributed fibre-optic communications system. The PLCs are original equipment and have been in use since the inauguration of the network at the turn of the century. The TMS is a more recent installation having been replaced in 2014. Both parts of the control system contain elements that are becoming obsolete and nearin…
Official publications
- FTS · 001906-2024 · 19 January 2024
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