BS 5489-7:1990
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Road lighting Code of practice for the lighting of tunnels and underpasses
Hardcopy , PDF
31-07-1992
English
31-10-1990
Emphasis is now placed on longer tunnels which are divided into a number of lighting zones. Procedures specified can be adapted for short tunnels and underpasses.
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