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BS ISO 22578:2022 Graphical symbols. Safety colours and safety signs. Natural disaster safety way guidance system >
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BS ISO 22578:2022 Graphical symbols. Safety colours and safety signs. Natural disaster safety way guidance system, 2022
- National foreword
- Foreword
- Introduction
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Purpose and deployment
- 5 Planning natural disaster safety way guidance systems
- 6 Signs used in natural disaster safety way guidance systems [Go to Page]
- 7 Structure of a natural disaster safety way guidance system [Go to Page]
- 8 Bilingual signs
- 9 Identifiability and legibility of signs under daylight and night-time conditions
- 10 Installation of natural disaster safety way guidance systems [Go to Page]
- 11 Repair, maintenance and inspection
- Annex A (informative) Examples of installations of natural disaster safety way guidance systems
- Annex B (informative) Distance factors and sizing visual elements
- Annex C (informative) Daylight and night-time illumination conditions
- Bibliography [Go to Page]
