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9.13.7 Walkway and Bikeway Lighting
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provide lighting at different levels to adequately light the situation |
Roadway lights and building exterior lights can also serve as walkway and bikeway lights. Maximum use will be made of multi-purpose lighting systems. See Section 11, Site Elements for more lighting information. Paragraph 10.4 of Technical Manual (TM) 5-811-1, Electric Power Supply and Distribution directs the following walkway and bikeway lighting standards:
When walkways and bikeways are adjacent to roadways they will be illuminated to not less than one-half the maintained illumination required for adjacent roadways. Areas having changes in grade, such as stairs and ramps, will require special treatment. Crosswalks in the middle of the block will be illuminated to 1.5 to 2 times the normal roadway lighting level.
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When walkways and bikeways are remote from roadways, they will have a minimum of 5 lux (.5 foot candle) average illumination measured in lo-foot levels. Pedestrian tunnels will have 40 lux (4.0 foot candles), stairways will have 6 lux (0.6 foot candles), and overpasses will have 3 lux (0.3 foot candles) illumination.
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Where pole mounted lights illuminate only walkways or bikeways, shorter poles are most suitable, but luminaire height will not be less than 10 feet. Construction will be such as to minimize vandalism by use of break-resistant lenses, tamperproof screws, and sturdy poles.
- Electroluminance (glow in the dark) path lighting may be used as an alternative low-energy solution where a path needs to be marked instead of lit.
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