Lighting levels and uniformity must meet specific standards to ensure all relevant objects and surfaces are easily and immediately visible, whether the covered platform is empty or crowded.
Areas of concern include signage and identifying the edge of the covered platform as appropriate levels of horizontal and vertical illuminance must be balanced with the need to minimise glare. Ensuring a clear field of vision for the driver is vital to allow effective processing of a visual signal prior to entering and exiting a covered platform.
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Best Practice Advice
Whilst it may be tempting to space luminaires as widely as possible for reasons of economy, station platforms can experience sudden flurries of intense activity.
It is important that lighting takes fully occupied circumstances into account.
Lower output luminaires, more closely spaced, will help put sufficient light in the volume of the space. This helps when a platform is crowded.
Good illuminance on the vertical structure of the canopy can also go a long way to raising the perceived brightness of the whole covered platform setting.
All luminaires should incorporate higher levels of impact resistance than standard fittings, especially where they are accessible to members of the public.
Several standards have specific information on the interface between platforms, track and trains. This includes RIS-7702-INS Iss1 Rail Industry Standard for Lighting at Stations which refers to BS EN 12464-2:2014 and Railway Group Standard GI/RT7016 Issue Five Dated March 2014. These standards may take account of the likely numbers of passengers when setting lighting requirements.
When lighting a covered platform we would recommend 30 -100 lux average on the platform surface with a uniformity of 0.4 as per DFT Design Standards for Accessible Railway Stations. 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 with 0.4 uniformity, which is in line with RIS-7702- INS standards. Where CCTV is used the design of the scheme and positioning of fittings must avoid conflict.
Using a lighting control system can improve the quality of illumination as well as reduce energy consumption. Control systems allow the use of light in the required place, at the right time and in the optimum quantity. At Designplan we can provide control solutions for traditional switched applications and standalone luminaire operation, through to full networked systems utilising the DALI protocol.
PDF Lighting Guide
Our 32 page lighting guide identifies typical overground rail applications, focusing on the principles of good lighting. We examine the benefits of robust construction and lighting controls to reduce your cost of ownership and carbon footprint. To download your copy click on the button below.