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Daylight Legislation- Peter Raynham

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Peter is a lecture at UCL and leads the UK delegation to the European Standards committee for lighting. …

Peter is a lecture at UCL and leads the UK delegation to the European Standards committee for lighting.

As chair of the Light and Lighting committee at the BSI, Peter was instrumental in the creation of the Code of Practise for Daylighting and his talk will summarise the requirements set out within this publication.

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Transcript

  • 1. Daylight Code of Practice?
  • 2. Daylight: provides light for tasks
  • 3. Daylight: attractive environment
  • 4. Daylight: can go wrong
  • 5. Code of Practice
    • UK standard: BS 8206-2
    • Energy implications: BS EN 15193
    • Work on a European Standard
  • 6. BS8206-2
    • Recommendations
    • Daylight factor
    • Sunlight
    • View
  • 7. Daylight Factor
  • 8. Daylight Factor
    • 2% Room appears day lit
    • 5% Electric light not needed during day
    • 1% Bedrooms
    • 1.5% Living rooms
    • 2% Kitchens
  • 9. Sunlight
    • Where there is a reasonable expectation of sunlight:
    • 25% of probable sunlight hours
    • 5% during the winter
  • 10. View
  • 11. BS EN 15193
    • Energy saving depends on:
    • Daylight availability - location
    • Daylight penetration - DF
    • Lighting System - controls
  • 12. BS EN 15193 Operation – 8:00 – 19:00
  • 13. European Standard
    • New project
    • No drafted text yet
    • Plan of document only
  • 14. European Standard
    • General rules for buildings
    • Annexes
    • View
    • Daylight available at site
    • Daylight performance of the building
    • Health impact
  • 15. Conclusion