IS 1944 Pt.5-1981

标准号：IS 1944 Pt.5-1981
发布日期：1981/9/1 12:00:00
实施日期：1999/12/31 12:00:00
适用范围：1.1 This part of the code examines special problems associated with the lighting of grade separated junctions, bridges and elevated roads (Group D). It deals with technical requirements and aesthetic considerations that shall be given when designing lighting installations for these situations and provides guidelines in regard to choice between conventional lighting arrangement and high mast lighting for grade separated junctions. It deals with fuction, appearance and design requirements of the lighting installation.1.2 It is not envisaged that all grade separated junctions will require lighting either in full or in part. There are two main categories ofjunctions where lighting will be considered necessary:a) Where some or all roads concerned are lit; andb) Where the junction is so complicated that lighting is an essentialsafety feature.1.3 This part of the code deals with electric lighting and does not include gas or other types of lighting.