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Thursday, August 27 • 3:00pm - 4:00pm
Lighting Design as Was, Is, and Will Be

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As our industry advances, the tenets of visual performance and the desire for energy efficiency, ease of maintenance and economy of construction will remain. We will see designing for health added to our design processes. This means providing circadian supportive environments, but it also means limiting flicker, controlling glare, and providing interesting environments that encourage occupants to take the stairs instead of elevators or meander and explore amenity areas. Lighting has an innate way of turning something you look at into something you feel. Our understanding of light will need to expand to include visual, psychological, emotional, and physiological effects. While this is an exciting new frontier for the lighting industry, it will not impact our industry nearly as much as the proliferation of lighting products and rendering software.

For years we have designed for visual performance using the IES Handbook and Recommended Practices to know what technical measures were needed for task performance. These documents also describe the many factors outside of horizontal illuminance tables that contribute to quality lighting designs. We are cognizant of psychological impacts and that light can envelop occupants to more fully experience the built environment. Now we are adding the ability to support circadian rhythms to our performance goals, and adding more metrics to better define color quality.

Energy efficiency has traditionally been improved upon by equipment manufacturers and utilizing task-ambient design solutions. With equipment energy consumption so low now, controls are becoming the big impact player. Because of the lack of standardization in product offerings, there are numerous types of LED modules and numerous types of control technologies, and they are not all inter-compatible. It is not possible to specify lighting today without also specifying the controls.

While LED have greatly reduced the maintenance needs for lighting, they have not eliminated it. Maintenance of lighting systems has become non-standardized and non-intuitive; what are you doing as a designer to assure your client has a lighting solution that will last the life of the building?
Our standard equipment tool box has been replaced by a seemingly limitless amount of luminaires and control technologies available for sale today. How do write a three name competitive bid when every product is different? How do we assure that the contractor accurately places products that look identical but have different LED modules or drivers?

We will step through what design progression used to look like, what it looks like today, and what it may look like in the future.
We will then review what this means for how we write our contracts, define our scope of services, produce construction documentation, and provide construction field services.

avatar for Karen Murphy

Karen Murphy

Sr Lighting Designer, HDR
Karen Murphy LC, IALD, LEED AP is a senior professional associate with HDR in Princeton NJ, and has been an architectural lighting designer for over 30 years. She currently chairs the IES Healthcare Lighting Committee and is a member of the IES Light + Design Committee. Karen served... Read More →

Thursday August 27, 2020 3:00pm - 4:00pm EDT