The lighting system must be TunLite LED Gen2 from Philips or, alternatively, it must be equal to the following criteria:. The product family range should offer a wide range of lumen outputs, by means of minimum 3 dedicated housing sizes. Serviceability of the luminaire should be such that drivers and LEDs are serviceable from below when mounted in the tunnel. Luminaires should have options for wall and cable tray mounting. Electrical safety class I. A choice of symmetrical and asymmetrical, narrow, wide and extra wide optics and counter-beam optics must be available, color temperature 4,000K. Minimal lamp efficacy of 160 lm/W. The luminaires must be ingress protected to IP66 and impact protected to IK08. The lifetime should be at least 100,000 hours @L95. The luminaires must have a QR-based identification system that makes each luminaire uniquely identifiable, thereby enabling installation, maintenance, and spare part information to be easily and accurately referenced. The luminaires must have control options for DALI 2.0 to allow optimal integration in tunnel control and monitoring systems. The lighting system must feature ENEC-certified LED-based luminaires. The luminaire has a warranty period of 5 years.