BetterBricks A resource network that makes the benefits of energy-efficient building design a reality

Size: px

Start display at page:

Download "BetterBricks A resource network that makes the benefits of energy-efficient building design a reality"

Rosa Bryant
5 years ago
Views:

1 BetterBricks A resource network that makes the benefits of energy-efficient building design a reality BetterBricks A resource network that makes the benefits of energy-efficient building design a reality

2 BetterBricks A resource network that makes the benefits of energy-efficient building design a reality BetterBricks Energy Efficiency

3 BetterBricks Daylighting Architectural Design Healthy Buildings Higher Productivity Green..? Energy Efficiency Joel Loveland Daylighting Consultant LDL Associate Professor, U of WA The Appearance of Daylight Lighting Design Lab Daylighting Lab

4 WHY Daylight? There is no reason that Daylight shouldn t be an integral element of every commercial or institutional project TODAY! WE KNOW - people are: Healthier With DAYLIGHT.

Light, Daylight and Healthfulness Dilouie, 1996; 80% of perception is Visual, with priorities

Spectral Quality Variability Photobiology View Reduced eye strain near focus tasks keep lens

5 Light, Daylight and Healthfulness Dilouie, 1996; 80% of perception is Visual, with priorities of: View Environmental Information Spectral Quality Variability Photobiology The Window - Daylight? Rationalized Reality Light. Dilouie, 1996; 80% of perception is Visual, with priorities of: View Environmental Information Spectral Quality Variability Photobiology View Reduced eye strain near focus tasks keep lens muscles contracted; distant focus allows muscles to relax Mental stimulation the primary reason people prefer windows is view. The preference for view is for nature

Variability Dilouie, 1996; 80% of perception is Visual, with priorities of: View

lighting most comfortable Environmental Information Spectral Quality Variability

Environmental Information Variability Changes in intensity, direction, color

Aldsworth and Bridgers (1971) unvarying electric light can lead to low level sensory

6 Variability Dilouie, 1996; 80% of perception is Visual, with priorities of: View Miller(DELTA), 1999 lower ambient w/ task = high satisfaction Raiford, 1999 indirect lighting most comfortable Environmental Information Spectral Quality Variability Photobiology Dilouie, 1996; 80% of perception is Visual, with priorities of: View Environmental Information Variability Changes in intensity, direction, color characteristics, etc. Aldsworth and Bridgers (1971) unvarying electric light can lead to low level sensory deprivation manifested by: impairment of organized thinking, oppression and depression, confusion, suggestibility, and general irritability. Spectral Quality Variability Photobiology

Variability Dilouie, 1996; 80% of perception is Visual, with priorities of: View Environmental

with priorities of: View Environmental Information Spectral Quality Variability Photobiology

supports skeletal growth Regulation of chronobiological system Minor Disruptions: Regulation of

7 Variability Dilouie, 1996; 80% of perception is Visual, with priorities of: View Environmental Information Spectral Quality Variability Photobiology Dilouie, 1996; 80% of perception is Visual, with priorities of: View Environmental Information Spectral Quality Variability Photobiology Photobiology Non vision related effects: Synthesis of Vitamin D skin exposure to sunlight (UVa) supports skeletal growth Regulation of chronobiological system Minor Disruptions: Regulation of the sleep/wake cycle Jet lag Daylight Savings Time lag Severe Disruptions: Seasonal Affective Disorder (SAD)

There is no reason that Daylight shouldn t be an integral element of every commercial or institutional project TODAY! WE KNOW - people are: Healthier and more Productive With DAYLIGHT.

8 There is no reason that Daylight shouldn t be an integral element of every commercial or institutional project TODAY! WE KNOW - people are: Healthier and more Productive With DAYLIGHT. Productivity and Light, Indications of Change Lockheed reported 15% reduction in absenteeism & 15% increase in productivity Solar Today, May/June 1995 Wal-Mart, Lawrence Kansas, reported significantly higher sales in the skylit part of the store The Wall Street Journal, Monday, Nov. 20, 1995, Daylighting in Retail Sales and Schools Heschong Mahone Group, 1999

Productivity and Light, Indications of Change Daylighting in Retail Sales and Schools Heschong Mahone Group,

Seattle Productivity and Light, Indications of Change Schools Results, 1999 Capistrano: In the year analyzed

9 Productivity and Light, Indications of Change Daylighting in Retail Sales and Schools Heschong Mahone Group, 1999 PIER Reanalysis, Daylighting in Schools California Energy Commision, 2002 Wedgewood Elementary School, Seattle Productivity and Light, Indications of Change Schools Results, 1999 Capistrano: In the year analyzed (1998), students with the most daylight improved 20% more on math and 26% more on reading tests (99% certainty) Seattle & Ft. Collins: Students with the most daylight performed 7-18% better than students with the least daylight Schools Reanalysis, 2002 Confirms 1999 HMG/PGE findings relating daylight availability to learning

10 40% increase in sales with DAYLIGHT There is no reason that Daylight shouldn t be an integral element of every commercial or institutional project TODAY! WE KNOW - people are: Healthier, more Productive and Energy Efficient With DAYLIGHT.

30% decrease in lighting energy demand with

11 30% decrease in lighting energy demand with DAYLIGHT 92% of office business costs are labor! 6% Operations Expenses 2% Capital Building Expenses $30k/yr ($75k) worker 150 SF space/worker ($15,000 space) and the Office Workplace? 10% productivity ++ $15,000 in two years!!!

12 Emerald Peoples Utility Hdqts Eugene, OR Low-Rise Commercial Montana State Department of Ecology Helena, Montana Place Architects, Bozeman MT

13 Dim-Lighting

14 What is Daylight? MIRROR BOX - ARTIFICIAL SKY SKY SKY

15 University of Montana Recreation Center Addition DT Architects, Helena Daylighting Analysis Lighting Design Lab, Seattle February 24, 2000 Heliodon The Evergreen State College, Olympia WA

16 Five food groups of LEED

17 Indoor Quality Energy Materials Water Site Four levels of LEED Consciousness (Certification) Platinum Gold Silver Certified 52 + pts pts pts pts

18 Honda America, Portland, Oregon MacKenzie Group Architects November,2000 Tests DAYLIGHTING Lab MODEL STUDIES Direct Beam of the Sun Simulation Overcast Sky Simulation

19 MIRROR BOX - ARTIFICIAL SKY Baseline, NO skylights NO Overhang/Lightshelf [winter noon] Footcandles S1 Core West East Photocell Grid Points

Skylight Comparison [Daylight Factor] 12

Outdoor Horizontal Illumination under the

10 11 12 13 14 15 16 17 18 19 S1 S4 West

Skylight, NO Overhang/Lightshelf [winter

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

20 Skylight Comparison [Daylight Factor] Daylighting Factors - "Percentage of Outdoor Horizontal Illumination under the Overcast Sky" S1 S4 West East Photocell Grid Points Core Deep-Bay Skylight, NO Overhang/Lightshelf [winter noon] Footcandles S1 Core West East Photocell Grid Points

21 Direct Beam of the Sun Simulation Patterns of Direct Sun WHY Daylight? because 90% of commercial space is one-story 2/3 s of the remaining floor area is within 25 feet of a window wall

22 Lighting Design Lab Putting Efficiency In Its Best Light Our Mission The Lighting Design Lab works to transform the Northwest lighting market by promoting quality design and energy efficient technologies.

State of Alaska Tacoma Power The Alliance includes every northwest electric utility; utility regulators in Idaho, Montana, Oregon and

23 Our Sponsors Northwest Energy Efficiency Alliance Seattle City Light U.S. Department of Energy BC Hydro Snohomish County P.U.D. State of Alaska Tacoma Power The Alliance includes every northwest electric utility; utility regulators in Idaho, Montana, Oregon and Washington; the Northwest Power Planning Council; public interest; and efficiency industry representatives. Energy Savings & Lighting Lighting may account for HALF of a commercial building s energy consumption pie The Lighting Design Lab can show you how to save 30% or more of your lighting costs.

24 DayLighting Design Meet with a daylighting consultant! Transforming the Pacific Northwest Building Design Market Place for Energy Efficiency with: Daylighting Design Building a person-to-person, regional knowledge network for local design professionals linked to local electrical utilities and their programs.

25 Transforming the Pacific Northwest Building Design Market Place for Energy Efficiency with: Daylighting Design Building a person-to-person, regional knowledge network for local design professionals linked to local electrical utilities and their programs. Utilizing a professional higher education delivery mechanism which offers the benefits of: * continuity of education * professional trust Transforming the Pacific Northwest Building Design Market Place for Energy Efficiency with: Daylighting Design Building a person-to-person, regional knowledge network for local design professionals linked to electrical utility programs. Utilizing a professional higher education delivery mechanism which offers the benefits of: continuity of education professional trust Using this regional knowledge network of utilities and higher education to reduce the risk of leading-edge design practice.

26 Transforming the Pacific Northwest Building Design Market Place for Energy Efficiency with: Daylighting Design Creating an Awareness through in-office class curricula, Teaching a variety of lighting-daylighting classes to more than 1500 architects and their clients per year. Transforming the Pacific Northwest Building Design Market Place for Energy Efficiency with: Daylighting Design Creating an Awareness through in-office class curricula, Teaching a variety of lighting-daylighting classes to more than 1500 architects and their clients per year. Developing an Understanding through one-on-one teaching/consulting, Consult with architects and their clients or consultants on more then 120 projects per year.

27 Making more than 3000 daylighting design contacts Lighting Design Lab Consulting on more than 250 daylighting projects in two years Daylighting Lab BetterBricks Daylighting Architectural Design Healthy Buildings Higher Productivity Green..? Energy Efficiency

28 BetterBricks A resource network that makes the benefits of energy-efficient building design a reality Daylighting Energy Efficiency

Thomas Brown, Architect, LEED-AP. Part 3 Daylighting Fundamentals Studies Strategies

Thomas Brown, Architect, LEED-AP. Part 3 Daylighting Fundamentals Studies Strategies Re-Arch: The Initiative for Renewable Energy in Architecture Best Practices in Daylighting & Passive Systems for Smaller Commercial Buildings Project Team: University of Minnesota College of Design (CDes)