TECHNICAL | LIGHTING
HELPING TO SEE THE WAY AHEAD
Lighting technology has advanced in recent years to bring sufficient cost-effective, environmentally well-performing illumination to underground settings in support of health & safety as well as construction efficiency on projects. Darren Woodhouse, Lighting Director of LMXLED, discusses with T&T the developments and options of using LED systems in tunnel projects
LMXLED design illumination solutions for many sectors like sport and retail but also industry, including development and operation of infrastructure – like underground assets, such on tunnel projects like HS2. T&T had a conversation with the company about
topics that need addressed in the design of LED lighting products for tunnels.
Below:
Lighting on HS2 Chiltern Tunnel ALL IMAGES COURTESY OF LMXLED
T&T: What are the needs of lighting/illumination in different areas of tunnels (incl construction, and operational services underground)? Where in the tunnels are the needs? How do they differ?
Darren Woodhouse (DW): In the construction phase, for the best safety aspect you need a uniform lighting effect with lighting levels complying with the parameters set out in British Standards, for example the tunnel standards are BS6164:2019, and also BS7671 and BS12464-2. Generally, in the construction of tunnels, just after
the boring and concreting, the main area of illumination will be the ingress and egress routes with a lighting level of at least 30lux being achieved, and, of course, providing a safe working environment. In the event that any further work needs to be carried out, this would
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16 | September 2023
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