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Merseytravel Awards Substation Contract

23.11.2021, 14:37

Merseytravel Awards Substation Contract

Merseytravel has appointed SPIE UK to supply and install new air circuit breakers (ACBs) for low voltage switchgear at its Sidney Street Ventilation Building in Liverpool.


The contract has been awarded under an existing framework agreement between Merseytravel and SPIE UK, with the work to be carried out over a ten-week period. The new ACBs will connect to a control and monitoring system that will provide remote control access for more efficient management.


The existing LV Switchgear on the site was installed during the 1960s and requires upgrading due to its age – with existing LV switch installations also coming to the end of their useful life. The new Air Circuit Breakers (ACB) are equipped with increased functionality including integrated digital protection and control units.


The machinery provides sectional lighting and ventilation to the Queensway tunnel, and also serves power to Taylor street ventilation station as well as Kings Square toll plaza. Because of this, the work will be completed in three phases to avoid excess disruption, with each phase requiring the switching and isolation of circuits to ensure no loss of power occurs in the Queensway Tunnel. Before work begins, SPIE will be installing temporary power supplies for the outgoing distribution boards.


All ACBs will incorporate functional units that supply protective, automation, measurement, counting, monitoring, diagnosis, and communications functions. An interface controller will also be provided to allow Merseytravel to connect to the control unit to change parameters, interrogate readings, and allow secondary injection simulation for future maintenance. The controller will have an RS 485 connection facility for future use.


The current framework agreement has applied over the last five years and covered delivery of six similar schemes. The work will require the specialist skill of a Senior Authorised Person to isolate and switch the specific power supplies. However, in doing so, alternative power sources also need to be maintained and provided.


Chris Mayoh, contract manager at Spie UK, comments: “We are glad to have been chosen by Merseytravel to help them upgrade the Air Circuit Breakers at the Sidney Street Ventilation Building. The 20-year relationship we have with Merseytravel is testament to the high-quality work we deliver continuously, and we are confident that the team will do a great job this time round as well.”


Colin Dever, the technical services manager for the contract at Merseytravel, adds: “SPIE UK has always proven itself to be a fantastic partner, so when we knew it was necessary to upgrade the ACBs they were a natural choice. It was critical to us that the new installation allowed for remote monitoring and SPIE’s expertise in this area gives us confidence that the new systems will meet our exact requirements and deliver value for money.”


CAMFIL HVAC Filtration Solutions

Staff Reporter covers the latest news, trends and opinion from the facilities management (FM) and corporate real estate (CRE) sectors. The FM market is currently estimated to be worth USD 1 trillion annually and is projected to grow at a compounded annualised rate of approximately 5% between now and 2026.

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