Liverpool Street Station - Case Study

The brief

OVERVIEW

Liverpool Street railway station in London was built in 1874 and is the third busiest in Great Britain. The station is vast with 18 platforms, an Underground rail network interchange and over 50 retail shops. The station operates almost 24 hours a day throughout the year.

The electrical switchgear and cabling is equally as complex but, being over 25 years old, needed to be replaced. The contract to replace this equipment was won by SSE Enterprise Rail.

Challenge

THE TASKS WE HAD TO ACHIEVE

Changing the lighting was not part of the SSE contract. However, the existing lighting used 1kW metal halide highbays and Holophane suggested to the client, Network Rail, that a great deal of energy could be saved by using LED highbays. Halving the wattage could also save on the size of the cable and switchgear required. There would be further savings in lamp maintenance.

There were two major challenges. The first was ensuring safe and easy access to the luminaires; these are mounted high up under the glass roof. These positions are fixed and the second challenge was to make sure that the new LED luminaires could be used in the same locations and yet provide better and more energy
saving lighting.

The Solution

HOW WE ACHIEVED THE RESULT

The solution was to use the award winning 426W (55,000 lumens) Haloprism highbay from Holophane. This, alone, delivered a 57% saving in energy consumption.

What’s more, the 4,000K LEDs have a colour rendering index, CRI of >80 thus delivering high quality lighting to the station concourse and platforms.

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