Open train platforms face challenges in maintaining consistent illuminance and uniform lighting. Platform lighting, utilising LED luminaires, ensures uniformity between undercover and pole-top lighting, creating a seamless platform experience.
Open platform use can vary rapidly from sparse occupation to busy activity. Platform lighting must account for all circumstances to maintain visibility and safety. While it may be tempting to stretch luminaire spacing to the maximum, this can result in lengthened shadows and areas of light and dark, potentially compromising visibility.
For column-mounted solutions, the correct balance of mounting height and spacing will help alleviate potential issues. An alternative to column-mounted lighting could be providing lower-level platform lighting from the rear edge of the platform.
Luminaires mounted close to the platform surfaces being illuminated improve efficiency, minimise intrusive light spillage, and reduce glare. Accessible luminaires must be highly robust with high ingress protection and vandal resistance ratings, ensuring durable and effective platform lighting.
Technical Support
RIS-7702-INS Iss1 Rail Industry Standard for Lighting at Stations mentions the importance of the transition between open and covered platforms. Reference should also be made to BS EN 12464-2:2014 and Railway Group Standard GI/RT7016 Issue Five Dated March 2014.
When lighting an uncovered platform we would recommend 10 to 50 lux average on the platform surface, with a uniformity of 0.3 to 0.4.
The illuminance range is dependent on usage and accessibility of the platform as per BS EN 12464-2. The platform edge requires a 20 lux minimum, which is in line with RIS-7016-INS standards. Where CCTV is used the design of the scheme and positioning of fittings must avoid conflict.
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