british council for offices’ new office lighting guide 20 th november 2013 iain trent – senior...
TRANSCRIPT
British Council for Offices’ new office
lighting guide
20th November 2013
Iain Trent – Senior Project Engineer Land Securities Group Plc
Blanche DuBois…
“A Streetcar Named Desire” Tennessee Williams……
‘I can't stand a naked light bulb, any more than I can a rude remark or a vulgar action.’
Sunrise…
We are programmed to respond to daylight……
The fourth receptor…
Influences our emotions……
Good lighting…
Is a fundamental part of good design……
The BCO Guide to lighting…
Best practice in the lighting of offices……
Three current issues in office lighting…
Standards, energy efficiency & technology……
Section 1 : Daylight and Energy Use
More valuable than artificial light…
Early involvement in the design
Provision of good daylight in an office is not an accident…
Part L 2013 2014
Three criteria to meet…
Section 2: Comfort & Performance
Poor comfort = Poor performance…
Lighting for people…
General office lighting for communication…
The effect of lighting a face…
The only difference is the lighting…
What do you want?
Can I help?You shouldn’t be
here!You’re not leaving!
Why…
Why then did we light our office like this?
Task, surround & background…
Allows the designer flexibility…
Maintenance factor…
Is this a truly sustainable approach?
LED lighting…
Finding our way…
Colour rendering…
Natural daylight provides the best colour rendering…
Section 3: Shell & Core, Cat A & Cat B
Three stages…
Owner Occupier Owner Occupier
Speculative Developer fit out optionsSpeculative Developer fit out options
Shell and core…
Entrance, lifts and WC…
Cat A…
Comparison of popular solutions…
Lighting controls…
Occupancy, daylight and constant illumination…
Cat B…
When the space becomes and office…
The challenge…
Should you choose to accept…