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Lighting & Lighting Controls In Education Applications. Sophie Parry National Accounts Manager- Energy Solutions . AGENDA. Background and current best practice The design process 3. Day lighting 4. Artificial lighting 5. Lighting controls 6. The retrofit market

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lighting lighting controls in education applications

Lighting & Lighting Controls In Education Applications

Sophie Parry

National Accounts Manager- Energy Solutions

slide2

AGENDA

Background and current best practice

The design process

3. Day lighting

4. Artificial lighting

5. Lighting controls

6. The retrofit market

7. Sustainability

slide3

Background & Current Best Practice

Requirement-

Designs that meet relevant standards and current best practice

Example-

Schools falling under the PSBP (Priority Schools Building Programme)

Referenced Standards/ guides

Section 2.8.5 Daylight & Lighting

Lessons Learned from BSF Projects

design process
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
slide5

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
slide6

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

A calibrated photocell can form the basis of a daylight harvesting feature as part of a solar blind/ lighting control system

Day lighting internal spaces

benchmark lighting control classrooms1
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
benchmark lighting control lecture theatres1
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
the retro fit market
The Retro-Fit Market
  • 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 4th most popular choice
  • Followed by Lighting as the 5th most popular choice

Source: Engineering Sustainable Schools- CIBSE Schools Design Group

sustainability
Sustainability

Sourcing of Lighting & Control Products

Design & Commercial Considerations

Source: CIBSE/SSL LG5

conclusion
Conclusion

THANK YOU

ANY QUESTIONS?

Acknowledgements:

CIBSE/SLL LG5

CIBSE Schools Design Group