Designing Quality Lighting for People and Buildings
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ANSI/IES LP-1-20
Document Type: Lighting Practice (LP)
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Product Description
Humans’ relationship to their surroundings is directly related to the quality of the lighted environment. When the light is right, people can see more deeply into the world. Quality lighting enhances the ability to see and interpret the world, supporting a sense of well-being and improving people’s capability to communicate with each other. This document was developed (originally as IES DG-18-08 and updated as IES DG-18-18) to introduce architects, lighting designers, design engineers, interior designers and other lighting professionals to the principles of quality lighting design. These principles, related to visual performance, energy and economics, and aesthetics, can be applied to a wide range of interior and exterior spaces to aid designers in providing high-quality lighting to their projects. Quality lighting design distinguishes the designer, provides full value to the client, and supports the design intent.
Page count: 102 pages
Publisher: Illuminating Engineering Society (2020)
SKU: ANSI/IES LP-1-20
ISBN-13: 978-0-87995-000-0
Chapters:
Part One: Light + Human Needs
- 1.0 Light + Quality
2.0 Light + Vision
3.0 Light + Visual Comfort
4.0 Light + Modeling
5.0 Light + Color
Part Two: Light + Economics and Environment
- 6.0 Light + Cost
7.0 Light + Maintenance
8.0 Light + Energy
9.0 Light + Environment
10.0 Light + Control
Part Three: Light + Architecture
- 11.0 Light + Architecture
12.0 Light + Distribution
13.0 Light + Daylight
14.0 Light + Safety
15.0 Light + Special Considerations
Part Four: Light + Application
- 16.0 A New Project: Collecting Information
17.0 Applications Guide
CONTENTS
- 1.0 Light + Quality
- 1.1 Human Needs Served by Lighting
1.1.1 Task Visibility
1.1.2 Task Performance
1.1.3 Mood and Atmosphere
1.1.4 Visual Comfort
1.1.5 Aesthetic Judgment
1.1.6 Health, Safety and Well-Being
1.1.7 Social Communication - 1.2 The “Who” of Lighting
- 1.3 Light + Human Needs
- 1.4 Light + Economics and Environment
- 1.5 Light + Architecture
- 2.0 Light + Vision
- 2.1 Task Visibility
2.1.1 Luminance
2.1.2 Luminance Contrast
2.1.3 Color Contrast (Color Difference)
2.1.4 Size
2.1.5 Movement
2.1.6 Time - 2.2 How to Achieve Good Task Visibility
- 3.0 Light + Visual Comfort
- 3.1 Visual Comfort
- 3.2 Visual Comfort and Glare
3.2.1 Discomfort Glare (Including Overhead Glare)
3.2.2 How to Eliminate Unwanted Glare - 3.3 Visual Comfort, Flicker, and Strobe
- 4.0 Light + Modeling
- 4.1 Modeling of Faces and Objects
- 4.2 Modeling of Objects
- 4.3 Modeling of Faces
- 4.4 How to Model Using Light and Shadow
- 5.0 Light + Color
- 5.1 Color Appearance (of Objects, People, or Light Sources)
5.1.1 Correlated Color Temperature
5.1.2 Color Rendering - 5.2 How to Achieve Good Color Quality
Part One: Light + Human Needs
- 6.0 Light + Cost
- 6.1 Cost, Both Initial and Maintained
- 6.2 How to Maximize Value on a Given Budget
- 7.0 Light + Maintenance
- 7.1 Maintenance and Change
- 7.2 How to Design for Maintenance
- 8.0 Light + Energy
- 8.1 Energy Use
- 8.2 Design Considerations for Minimizing Energy Use
- 9.0 Light + Environment
- 9.1 Environmental Considerations
- 9.2 Efficiency in Whole, Not Part
- 9.3 Rating Systems Provide Benchmarks
- 9.4 Lighting’s Role in Sustainability
- 9.5 Cradle-to-Cradle Products
- 9.6 Think Globally, Design Locally
- 9.7 Lamps and the Environment
- 9.8 How to Support Sustainable Design Goals with Lighting Choices
- 10.0 Light + Control
- 10.1 Controls for Energy, Flexibility, and People
- 10.2 Controls for Energy
- 10.3 Controls for Flexibility
- 10.4 Controls for Occupant Satisfaction
- 10.5 How to Incorporate Controls into a Project
Part Two: Light + Economics and Environment
- 11.0 Light + Architecture
- 11.1 Lighting for Architecture
- 11.2 Appearance of Space and Luminaires
- 11.3 Architectural Integration
- 11.4 Size, Finish, Mounting Height
- 11.5 Location of Luminaires
- 11.6 Furniture Finishes and Sizes
- 11.7 Tradeoffs
- 11.8 How to Improve the Appearance of Space and Luminaires
- 12.0 Light + Distribution
- 12.1 Patterns of Light
- 12.2 Light Distribution on Surfaces (Patterns) and Points of Interest
- 12.3 Sparkle (or Desirable Reflected Highlights)
- 12.4 Light Distribution on Task Plane (Uniformity)
- 12.5 Room Surface Brightness (and Surface Characteristics)
- 13.0 Light + Daylight
- 13.1 Daylight and View
- 13.2 How to Avoid Glare
- 13.3 How to Optimize Daylighting for Different Building and Room Shapes
- 13.4 How to Balance Electric Light with Daylight
- 13.5 How to Save Energy with Daylighting
- 13.6 More Information
- 14.0 Light + Safety
- 14.1 Safety, Security, and Emergency Egress
- 14.2 Safety from Bodily Injury
- 14.3 Safety from Hurt and Loss
- 14.4 Safety During Emergency Egress
- 15.0 Light + Special Considerations
- 15.1 Conservation of Materials (Museums)
- 15.2 Lighting for Cameras
- 15.3 Luminaire Noise
Part Three: Light + Architecture
- 16.0 A New Project: Collecting Information
- 16.1 Client Goals and User Needs
- 16.2 The “Who” of Lighting Design
- 16.3 Human Needs
- 16.4 Economics, Energy and the Environment
- 16.5 Architecture and Other Building-Related Issues
- 17.0 Applications Guide
- 17.1 Daylit Classroom
- 17.2 Open Office (Direct/Indirect Luminaires and Task Lighting)
- 17.3 Open Office (Advanced Controls and Personal Dimming)
- 17.4 Open Office (Direct Lighting Using Recessed Parabolic Luminaires)
- 17.5 Industrial Assembly Area/Manufacturing
- 17.6 Industrial Warehouse
- 17.7 Bank Lobby with Teller Line
- 17.8 Big Box Discount Store
- 17.9 Retail Clothing Space
- 17.10 Supermarket
- 17.11 Mall Chain Store
- 17.12 Banking Office Entrance and Parking Lot
- 17.13 Courtroom
- 17.14 Audience Chamber for Theater