Lighting Techniques and Technology
Practical Applications
Britnei Godusky LC, LEED AP BD+C
June 4, 2014
AOBA / Current Trends in Sustainability
Agenda
Lighting and the Energy Code: the most practical application
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Interior Lighting
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Automatic Lighting Shutoff
Space Control
Daylighting Controls
Parking Garages
Exterior Lighting
Lighting Techniques and Technologies
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Fluorescent
LED
Common Area Applications
What’s next?
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Lighting and the Energy Code:
the most practical application
Sustainable Sites
Light Pollution Reduction
Energy and Atmosphere
Minimum Energy Performance
Building Level Energy Metering
Indoor Environmental Quality
Interior Lighting Control
Interior Lighting Quality
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AOBA / Current Trends in Sustainability
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Lighting and the Energy Code:
the most practical application
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Lighting and the Energy Code:
the most practical application
ASHRAE 90.1-2010
In addition to all new construction, the new
code applies to “alteration” of even 10% of
the building lighting system if the installed
LPD increases.
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Interior Lighting
Automatic Lighting Shutoff – ASHRAE 90.1 Section 9.4.1.1
Time clock or occupancy sensors.
Required for all lighting not needed for 24-hour
operation or occupant safety.
Manual on or automatic on to 50% power.
Except: corridors and stairwells
restrooms
entrance areas and lobbies
Automatic off requirement after 30 minutes in many
spaces.
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Interior Lighting
Space Control – ASHRAE 90.1 Section 9.4.1.2
Each space to have at least one
control device.
Step control required.
After hours override required for
a minimum of two hours.
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Interior Lighting
Daylighting Controls – ASHRAE 90.1 Section 9.4.1.4 & 9.4.1.5
Photosensor control required for
daylight areas.
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Side daylighting with windows
Overhead daylighting with skylights
and roof monitors
Step control required.
Exceptions only where exterior
obstructions are present.
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Interior Lighting
Additional Controls – ASHRAE 90.1 Section 9.4.1.6
Separate Controls required for:
- Accent and Display lighting
June 4, 2014
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Case Lighting
Guest Room Lighting
Task Lighting
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Stairwell Lighting
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Parking Garage Lighting
Controls – ASHRAE 90.1 Section 9.4.1.3
Reduction of power by minimum of
30% with 30 minutes of inactivity.
Zones less than 3600SF.
Daylight transition lighting.
Photosensors required within 20’ of
perimeter walls with 40% opening.
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Exterior Lighting
Controls – ASHRAE 90.1 Section 9.4.1.7
Exterior lighting to be automatically
turned off with presence of daylight.
All building and façade lighting to be
shut off at night.
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Between 12am and 6am, unless
operating hours extend into this time.
Any additional exterior lighting to be
reduced to 30% output.
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Lighting Techniques and Technologies
Fluorescent
Excellent source of ambient, diffuse
light.
Perfect for:
Fitness centers
Dining Areas
Perimeter Coves
Vanities
Utility Closets
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Lighting Techniques and Technologies
LED
No reason all downlights (in any
height space) shouldn’t be LED.
Maintenance
Cost
Energy savings
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Lighting Techniques and Technologies
LED
Perfect for:
Exterior
Lobbies
Dimming Applications
Linear
Parking Garages
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Lighting Techniques and Technologies
Practical Applications
Think about:
Where do we need light?
The answer is almost never
“everywhere”.
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Lighting Techniques and Technologies
Practical Applications
Think about:
Where do we need light?
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June 4, 2014
Focal points and accenting
Entrances and wayfinding
Task surfaces
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Lighting Techniques and Technologies
Practical Applications
Don’t always pick the solution
you’ve seen before.
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What’s next?
Digital control signals sent over existing AC power
lines for lighting upgrades and retrofit solutions.
OLEDs : Organic Light Emitting Diodes
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Thank you.
Britnei Godusky, LEED AP BD+C
SmithGroupJJR
202.974.0824
britnei.godusky@smithgroupjjr.com
June 4, 2014
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