Getting the “Getting the “GreenGreen Light”Light”

creating a creating a consciousnessconsciousness for the future… for the future…

Presented by: Stefan R Graf IALD LC IES

“Sustainable design meets the qualitative needs of

the visual environment with the least impact on the physical environment”

I A L DI A L D / / Sustainable Design CommitteeSustainable Design Committee November 2001November 2001

Lighting and sustainable design…

IALDIALD SDC goalsSDC goalsIALDIALD SDC goalsSDC goals..to create an expanded awareness and consciousness of ..to create an expanded awareness and consciousness of

important global design issues in lighting, through important global design issues in lighting, through educational seminars, articles and policy statements educational seminars, articles and policy statements worldwide…worldwide…

Topics include: Topics include: Energy EfficiencyEnergy Efficiency Daylighting IntegrationDaylighting Integration Lighting Control ProgramsLighting Control Programs Light Pollution and Light TrespassLight Pollution and Light Trespass Visual Performance and Human FactorsVisual Performance and Human Factors Durability and Maintainability of Lighting SystemsDurability and Maintainability of Lighting Systems Eco-Friendly Products and Processes/ recognition to Eco-Friendly Products and Processes/ recognition to

manufacturersmanufacturers

Good lighting design practice is Good lighting design practice is value added for reasons of…value added for reasons of…Good lighting design practice is Good lighting design practice is value added for reasons of…value added for reasons of…

Aesthetics Aesthetics Professional service to the projectProfessional service to the project Helps people and aids visibilityHelps people and aids visibility Environmental impact reductionEnvironmental impact reduction Economics…Economics…

Aesthetics Aesthetics Professional service to the projectProfessional service to the project Helps people and aids visibilityHelps people and aids visibility Environmental impact reductionEnvironmental impact reduction Economics…Economics…

What is the What is the bestbest way to create an awareness way to create an awarenessof the of the valuevalue of sustainable lighting issues??of sustainable lighting issues??

R.O.I / Return on InvestmentR.O.I / Return on Investment

Lighting is a technology that can actuallyLighting is a technology that can actuallyprovide a payback on an initial investment provide a payback on an initial investment over time !over time !

What is the What is the bestbest way to create an awareness way to create an awarenessof the of the valuevalue of sustainable lighting issues??of sustainable lighting issues??

R.O.I / Return on InvestmentR.O.I / Return on Investment

Lighting is a technology that can actuallyLighting is a technology that can actuallyprovide a payback on an initial investment provide a payback on an initial investment over time !over time !

Cost$ associated with lighting programsCost$ associated with lighting programsCost$ associated with lighting programsCost$ associated with lighting programs

Initial CostsInitial Costs Equipment & Installation / LaborEquipment & Installation / Labor Lighting ControlsLighting Controls Daylight DesignDaylight Design Aesthetics / The design of the luminaire and the IlluminationAesthetics / The design of the luminaire and the Illumination The cost of doing it right the 1The cost of doing it right the 1stst time time

Life Cycle CostsLife Cycle Costs Energy / Maintenance Energy / Maintenance People / the human factorPeople / the human factor Environmental factorsEnvironmental factors

…… lets take a look at a few of these issueslets take a look at a few of these issues

InitialInitial coco$$tt factorsfactors InitialInitial coco$$tt factorsfactors

Equipment price, performance, availability, durability, Equipment price, performance, availability, durability, installation time, eco-friendly manufacturing considerationsinstallation time, eco-friendly manufacturing considerations

Have the involvement early in the design, of the Have the involvement early in the design, of the project owner / operatorproject owner / operator

Establish budgets early and do “value engineering” up frontEstablish budgets early and do “value engineering” up front

Provide clear and concise specifications Follow the Provide clear and concise specifications Follow the IALD / IALD / LIRCLIRC Guidelines for Lighting Specification Integrity Guidelines for Lighting Specification Integrity

Manage the design and control the specification Manage the design and control the specification

Provide owner/user maintenance manual and trainingProvide owner/user maintenance manual and training

Lighting control system benefitsLighting control system benefits Lighting control system benefitsLighting control system benefits

Save energy Save energy Cut maintenance costs by increasing lamp life Cut maintenance costs by increasing lamp life Integrate daylight and electric light with control systems / Integrate daylight and electric light with control systems /

photocellsphotocells Increase productivity in offices with personalized control in Increase productivity in offices with personalized control in

private areasprivate areas Attract attention in retailAttract attention in retail Create ambience in restaurantsCreate ambience in restaurants Improve nighttime securityImprove nighttime security

Case study.Case study.

Dimming control system, ROIDimming control system, ROIDimming control system, ROIDimming control system, ROI

35,000 sq ft. World of Disney StoreDimming system payback period 2.5 years on 2500 quartz track lights.

Daylight DesignDaylight DesignDaylight DesignDaylight Design Integration of architecture, daylight and electric lighting Integration of architecture, daylight and electric lighting

systems to improve worker performance, physiological systems to improve worker performance, physiological health and reduce operations costshealth and reduce operations costs

Integration of architecture, daylight and electric lighting Integration of architecture, daylight and electric lighting systems to improve worker performance, physiological systems to improve worker performance, physiological health and reduce operations costshealth and reduce operations costs

Scale model study

Computer model study

Glare index

Annual illuminance curve

Daylighting design ROIDaylighting design ROIDaylighting design ROIDaylighting design ROI

Daimler Chrysler Technology Center Daylighting controls Integration. New design saves over $80,000 in construction costs and $60,000 per year in operations cost !

World of Disney / photocell and glazing design

The cost of lighting aestheticsThe cost of lighting aestheticsThe cost of lighting aestheticsThe cost of lighting aesthetics Luminaire selection considerationsLuminaire selection considerations Creative lighting techniques brings award winning Creative lighting techniques brings award winning

value added to any project …..value added to any project …..

Regent court Southfield mi

Donner Office

Southfield MI Sky Garden / Sydney Australia

Energy and MaintenanceEnergy and MaintenanceEnergy and MaintenanceEnergy and Maintenance Use life Use life cycle cost analysiscycle cost analysis to demonstrate a substantial to demonstrate a substantial

return on investment when specifying an energy efficient return on investment when specifying an energy efficient system of lamps, ballasts, high performance luminaires and a system of lamps, ballasts, high performance luminaires and a lighting system designed with future maintenance in mindlighting system designed with future maintenance in mind

Use life Use life cycle cost analysiscycle cost analysis to demonstrate a substantial to demonstrate a substantial return on investment when specifying an energy efficient return on investment when specifying an energy efficient system of lamps, ballasts, high performance luminaires and a system of lamps, ballasts, high performance luminaires and a lighting system designed with future maintenance in mindlighting system designed with future maintenance in mind

Environmentally friendly lamp technology

LED and Induction Lamps100,000 hr life

TheThe human factorhuman factorTheThe human factorhuman factor

Visibility and customer Visibility and customer perception in retail perception in retail environmentsenvironments

Improved speed and Improved speed and accuracy of workers in accuracy of workers in critical inspection areascritical inspection areas

Increased commerce in Increased commerce in downtown districtsdowntown districts

Improved nighttime Improved nighttime perception of city imageperception of city image

Reduction in crime after Reduction in crime after darkdark

Reduced liability risk from Reduced liability risk from accidentsaccidents

Office lighting and Office lighting and productivityproductivity

Downtown Houston Texas, events lighting for a weekend festival

Office ProductivityOffice ProductivityOffice ProductivityOffice Productivity

Research is underway to Research is underway to prove what we instinctively prove what we instinctively already know……already know……

The quality of illumination The quality of illumination affects our mood, attitude, affects our mood, attitude, performance, health and performance, health and productivity….productivity….

Design begins using the Design begins using the qualitiesqualities of light of light

Illuminance and luminanceIlluminance and luminance Color / color Kelvin and CRIColor / color Kelvin and CRI Brightness / measured and Brightness / measured and

perceived perceived Visual comfort / minimize Visual comfort / minimize

glareglare Illuminance contrastIlluminance contrast

The coThe co$$t of better productivityt of better productivityThe coThe co$$t of better productivityt of better productivity

Lets do the math…Lets do the math…

Cost of an office lighting system $ 2.50 - $ 6.00 sq/ftCost of an office lighting system $ 2.50 - $ 6.00 sq/ft

Cost of salaries / typical officeCost of salaries / typical office $ 140.00 - $160.00 $ 140.00 - $160.00 sq/ftsq/ft

Cost to improve lighting quality $ 1.00 - $ 3.00 sq/ft Cost to improve lighting quality $ 1.00 - $ 3.00 sq/ft

?? what IF… using proven lighting techniques could ?? what IF… using proven lighting techniques could improve productivity by as little as …2 percent ??improve productivity by as little as …2 percent ??

Watch for new information on line from the Right LightWatch for new information on line from the Right Light Consortium at Consortium at www.lightright.orgwww.lightright.org

Environmental FactorsEnvironmental FactorsEnvironmental FactorsEnvironmental FactorsLight Pollution and …Light Pollution and …

QualityQuality

Were you aware that…Were you aware that… Billions of $$ are wasted each Billions of $$ are wasted each

year from light directed up into year from light directed up into the skythe sky

White light is more efficient White light is more efficient than yellow light for human than yellow light for human nighttime visibility in some nighttime visibility in some applicationsapplications

Visit the Dark Sky Association Visit the Dark Sky Association web site at web site at www.darksky.orgwww.darksky.org

Consider using manufacturers Consider using manufacturers

that actively use eco-friendly that actively use eco-friendly processesprocesses

View from the space shuttle

Glare… Glare… an important factor affecting an important factor affecting nighttime visibilitynighttime visibility

Future IES recommended practices for outdoor lighting will Future IES recommended practices for outdoor lighting will address Glare as address Glare as thethe primary Factor over illuminance and primary Factor over illuminance and uniformity, in evaluating outdoor lighting designuniformity, in evaluating outdoor lighting design

Glare reduces visibility and increases energy consumptionGlare reduces visibility and increases energy consumption

ETAL Committee / Evaluation of Task Adaptation luminance…ETAL Committee / Evaluation of Task Adaptation luminance…will study how background luminance affects visibility will study how background luminance affects visibility

Outdoor lighting must be designed as an Outdoor lighting must be designed as an integrated systemintegrated system of of illuminationillumination

When should you consider using a When should you consider using a professional lighting designer ?professional lighting designer ?When should you consider using a When should you consider using a professional lighting designer ?professional lighting designer ?

When client expectations are importantWhen client expectations are important If controlling costs is a benefitIf controlling costs is a benefit In projects where life cycle costing orIn projects where life cycle costing or ROI ROI is is

an important considerationan important consideration In projects where good ‘visual dynamics’ and In projects where good ‘visual dynamics’ and

visibility is essentialvisibility is essential To limit risk and liabilityTo limit risk and liability

Questions??Questions??