Part l Liz Peck
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Liz combines being principle of her own lighting design company, LPA, with her long-standing role as secretary of the society of light and lighting. Calling on her extensive indus測try experience Liz will not only provide an overview of the latest requirements of Part L but also challenge the merits of this leg測islation.
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![LENI (EN 15193) LENI = W (total power consumed in kWh) A (total useful floor area in m 2 ) Note: W = W L (lighting load) + W P (parasitic load) W L = {(P n x F C ) x [(t D x F O x F D ) + (t N x F O )]} / 1000 W P = {{P PC x [t y (t D + t N )]} + (P em x t e )} / 1000](https://image.slidesharecdn.com/partl-directorscut-110225121106-phpapp02/85/Part-l-Liz-Peck-19-320.jpg)
![Lighting Load P N Total power of the illumination luminaires [W] A Area under consideration [m2] F C Maintenance link for constant illuminance benefit factor F D Daylight link benefit factor F O Absence link benefit factor absence during operating time t D Operating time with daylight availability [hrs] t N Operating time with no daylight availability [hrs]](https://image.slidesharecdn.com/partl-directorscut-110225121106-phpapp02/85/Part-l-Liz-Peck-20-320.jpg)
![Parasitic Load P em Total charge power for emergency lighting luminaires [W] P PC Total standby power for the lighting controls [W] t e Operating time for charging emergency lighting batteries [hrs] t y Standard hours in a year [8760 hrs]](https://image.slidesharecdn.com/partl-directorscut-110225121106-phpapp02/85/Part-l-Liz-Peck-21-320.jpg)
![Thank you [email_address]](https://image.slidesharecdn.com/partl-directorscut-110225121106-phpapp02/85/Part-l-Liz-Peck-26-320.jpg)
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Tunable white lighting can imitate natural light and stimulate the human circadian rhythm by adjusting the color temperature throughout the day. It provides benefits like increased comfort, well-being and productivity by creating lighting scenarios that match different tasks and work situations. Tunable white allows choosing the right light for activities or focus through easy control of intensity and color temperature using DALI protocols. This dynamic lighting technology regulates alertness and rest periods like the natural progression of sunlight.Light Volumes, Dark Matters
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Peter is a lecture at UCL and leads the UK delegation to the European Standards committee for lighting.
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Emergency Lighting- David Wright
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David is Managing Director of Jor測dan UK and ELP Ltd and is a member of LIF Council, Chairman of ICEL and represents the emergency lighting industry on several British and Euro測pean Standards Committees.
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OLeds and Beyond- Light Sources of the Future Seminar
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Here is a copy of Professor Janos Veres, Chief Technical Office at Polyphotonix, seminar which was presented in our studio in London. From zinc oxide and non-toxic nanocrystals to the super material grapheme Prof. Veres looked at current and potential directions for lighting technology and examine the implications for the way we use and design with light in the futurePart l Liz Peck
- 1. Part L The Directors Cut Fagerhult Lighting 24 February 2011 Liz Peck MSc MSLL
- 2. Part L Who decides them 2010 in detail Flaws Ambiguity Energy Issues The Future
- 3. Building Regulations UK Government Secretary of State Building Act 1984 (b) furthering the conservation of fuel and power Department of Communities and Local Government (DCLG) www.communities.gov.uk
- 5. Part L2 : Non-Domestic
- 6. Part L2 : Lighting efficacy
- 7. Part L2 : Controls * Local Manual: Distance from switch to luminaire <6m or twice room height Window luminaires should be switched separately Cell Office Open Plan Meeting Room Store / WC Corridor Retail
- 8. Part L2 : Enhanced Controls
- 9. Part L2 : Metering
- 10. Part L2 : Flaws Office, Industrial, Storage T5 luminaire 60 Llm/cW Empty Office at 2am Manual switch left on PART L2 COMPLIANT !!
- 11. Part L2 : Flaws General Areas T5 lamps 80-100 lm/W Black box LOR 0% PART L2 COMPLIANT !!
- 12. Part L2 : Ambiguity
- 13. Energy Issues (b) furthering the conservation of fuel and power
- 15. Why Save Energy?
- 16. Carbon Reduction Commitment 80% reduction in CO 2 by 2050 66% of 2050 building stock already exists 26 million buildings exist today 18 million will need refurbishment 500,000 every year 50 buildings every hour
- 17. LENI (EN15193) L ighting E nergy N umeric I ndicator kWh/m族/year
- 18. LENI (EN15193) Installed power Parasitic power Lighting controls Daylight contribution Operating hours Useful floor space
- 19. LENI (EN 15193) LENI = W (total power consumed in kWh) A (total useful floor area in m 2 ) Note: W = W L (lighting load) + W P (parasitic load) W L = {(P n x F C ) x [(t D x F O x F D ) + (t N x F O )]} / 1000 W P = {{P PC x [t y (t D + t N )]} + (P em x t e )} / 1000
- 20. Lighting Load P N Total power of the illumination luminaires [W] A Area under consideration [m2] F C Maintenance link for constant illuminance benefit factor F D Daylight link benefit factor F O Absence link benefit factor absence during operating time t D Operating time with daylight availability [hrs] t N Operating time with no daylight availability [hrs]
- 21. Parasitic Load P em Total charge power for emergency lighting luminaires [W] P PC Total standby power for the lighting controls [W] t e Operating time for charging emergency lighting batteries [hrs] t y Standard hours in a year [8760 hrs]
- 22. Tertiary Lighting Sectors Office Industrial Healthcare Education Retail Sport Benchmarking Estimation Validation
- 23. Lighting for People The right light In the right place At the right time
- 24. 油
- 25. 油