Second Severn
Crossing

Lighting Second Severn Crossing, UK

 

Intelligent lighting cuts carbon emissions for Second Severn Crossing

Second Severn Crossing

The project is
achieving

its objective of reduced energy cost andcarbon savings.."
Second Severn Crossing
Second Severn Crossing

Customer challenge

 

Severn River Crossing Plc has upgraded the road lighting on the the Second Severn Crossing to active light controlled Philips Iridium² luminaires using 140W Cosmopolis ceramic metal halide lamps.

Second Severn Crossing

The right lighting 

The lighting upgrade was initiated by SRC with a view to improving energy efficiency, reducing maintenance requirements and cutting carbon emissions. It involved replacing existing 250W high pressure sodium fittings with the Philips Iridium² luminaires, combined with FX2 optics to optimise light distribution. The lighting was installed for Laing O'Rourke by R&M Lighting of Maidenhead, working at night over a period of four weeks. Each of the 364 luminaires is fitted with a DALI (Digital Addressable Lighting Interface) programmable Xtreme driver, so that luminaires can be controlled individually through the CityTouch web-based user interface, which uses wireless communications throughout. This allows SRC to provide the appropriate light levels according to traffic flows or restore to full lighting in the event of an incident, in compliance with Highways Agency requirements
  • Iridium² LED Large
    Iridium² LED Large
    • Future-proof luminaire: maintenance very easy; no tools required for LED upgrade
    • Highly efficient lighting platform; no compromise on lighting quality thanks to flat glass
    • Full flexibility to cover all applications, with choice of price and technology

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