2011- 2012: (Day)Lighting Results • Building Features that Promote Daylight Savings: – Large daylight aperture with external fixed shading – “Reverse” floorplan: individual offices moved to the core – Cruciform floorplate allows greater daylight access – State-of-the-art automated lighting and shading controls – Furniture systems with low partition heights • Prior LBNL mock-up study showed potential lighting energy savings of 10-60% savings to ~ 20 ft from the windows • Lighting control system records “ballast control voltage” continuously; convert to “lighting power” with measured data • Shading system tracks and archives “shade position” • Assess Occupant Satisfaction to Daylighted Environment – A. Hinge Lawrence Berkeley National Laboratory
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