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Lighting & Lighting Controls In Education Applications Sophie Parry National Accounts Manager- Energy Solutions.

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Presentation on theme: "Lighting & Lighting Controls In Education Applications Sophie Parry National Accounts Manager- Energy Solutions."— Presentation transcript:

1 Lighting & Lighting Controls In Education Applications Sophie Parry National Accounts Manager- Energy Solutions

2 2 File Number AGENDA 1. Background and current best practice 2. The design process 3. Day lighting 4. Artificial lighting 5. Lighting controls 6. The retrofit market 7. Sustainability

3 3 File Number Background & Current Best Practice Lessons Learned from BSF Projects Requirement- Designs that meet relevant standards and current best practice Example- Schools falling under the PSBP (Priority Schools Building Programme) Section Daylight & Lighting Referenced Standards/ guides

4 4 File Number Design Process Teaching spaces require careful consideration in respect of: Simple operation for end user Daylight harvesting v/v consistent and useful lighting levels Effective lighting control at teaching wall/ white board Energy saving potential through a compliant lighting design including compliant lighting control solution

5 5 File Number Day Lighting Good design should make best use of day light wherever possible to promote the psychological and physiological well-being of occupants. Fenestration cannot be designed with the sole purpose of maximising day lighting External Solar Blinds The following overall design factors have to be taken into account: Day lighting design Prevention of summertime overheating Design of ventilation Acoustic design Blinds/ shading can be automated with lighting controls to blend day light and artificial light

6 6 File Number Day Lighting Cont. Good design should make best use of day light wherever possible Day light needs to be controlled to prevent glare and solar gain Day light can be blended with artificial light to provide the desired lighting solution (daylight harvesting) Design based on Climate Based Daylight Model (CDBM), specifically Daylight Autonomy (DA) & Useful Daylight index (UDI)& takes precedence over the daylight minima factors in BREEAM Day lighting internal spaces A calibrated photocell can form the basis of a daylight harvesting feature as part of a solar blind/ lighting control system

7 7 File Number Benchmark Lighting Design - Classroom

8 8 File Number Benchmark Lighting Design – Lecture Theatre

9 9 File Number Benchmark Lighting Control - Classrooms

10 10 File Number Benchmark Lighting Control - Classrooms Detectors set to absence mode Detector coverage limited to 30m2 Luminaires to be regulated Particular attention to teaching wall/screen Each row of lighting has a separate detector/ photocell Photocells should be located for accurate sensing of daylight levels relative to lighting row

11 11 File Number Benchmark Lighting Control- Lecture Theatres

12 12 File Number Benchmark Lighting Control - Lecture Theatres Not always the potential for day lighting Luminaires to be regulated Typically larger seating capacity/space than a standard 30 student classroom Allow for absence detection Pay particular attention to lighting over demonstration area and teaching wall AV systems in common use and can be interfaced to lighting control system

13 13 File Number The Retro-Fit Market Source: Engineering Sustainable Schools- CIBSE Schools Design Group Lighting and lighting controls are a popular choice as an energy saving retrofit option in 2011 In the graph opposite, it is noted that lighting controls are the 4 th most popular choice Followed by Lighting as the 5 th most popular choice

14 14 File Number Sustainability Design & Commercial Considerations Sourcing of Lighting & Control Products Source: CIBSE/SSL LG5

15 15 File Number Conclusion THANK YOU ANY QUESTIONS? Acknowledgements: CIBSE/SLL LG5 CIBSE Schools Design Group


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