For the past three decades, the Energy Studies in Buildings Laboratory (ESBL) at the University of Oregon has been focusing on how to reduce a building’s energy load while bringing more light into the interior.
This past April, ESBL and local architecture firm SRG Partnership took another step toward that goal with the opening of a new library at Portland Community College. The 40,000-sf library is equipped with four “cones of light,” spherical reflectors made from extruded aluminum that distribute daylight from the library’s third floor to illuminate the second.
Kent Duffy, an SRG Principal, says that the cones, which spread from five feet in diameter at the top to nine feet at the bottom, were preferable to a daylight shaft from the roof, which would have obstructed the third floor.
GZ (Charlie) Brown, ESBL’s Director and Professor of Architecture at the college, says the library is cooled by a passive energy system that obviates the need for air-conditioning. The windows on the second floor are left open at night to cool the building’s mass. During the day, the windows are closed to allow the building mass to cool the interior. The cones help circulate the cool air.
Duffy and Brown say it took some doing to get the college to sign on to the cones of light, which were only included midway through construction. “Everyone is reluctant to be the first to try something new,” says Brown.
Also on the library Building Team: PAE (mechanical engineer), Catena (SE), Keylight + Shallow (lighting), O’Neill/Walsh Community Builders (CM), and Inline Commercial Construction (GC).
Read about more innovations from BD+C's 2014 Great Solutions Report.
Related Stories
| Dec 4, 2012
City of Gainesville to break ground on $33 million bus fleet maintenance and ops facility
The 140,000-sf facility will include dispatch, administrative and maintenance facilities.
| Nov 28, 2012
Project team to showcase design for first mixed-use retail center of its kind in Mexico City
Project reaching construction milestone, offering national model for urban development in Mexico.
| Nov 28, 2012
Cummins announces ratings classification for data center power systems
The Data Center Continuous ratings span the range of Cummins Power Generation’s high horsepower diesel generator sets, from 1 MW up to 2.5 MW, and will apply to both 50 Hz and 60 Hz configurations.
| Nov 28, 2012
Francis Cauffman appoints Stainbrook Director of Higher Education
Stainbrook has 16 years of experience as a strategic planner and urban designer working on complex projects on- and off-campus.
| Nov 27, 2012
SFIA releases technical guide for cold-formed steel framing products
The 114-page book covers both structural and non-structural applications, including section properties of SFIA member product profiles, and complete load and span tables for most applications.
| Nov 21, 2012
Architecture Billings Index positive for third straight month
All regions reporting positive business conditions
| Nov 20, 2012
PC Construction completes Juniper Hall at Champlain College
Juniper Hall is on track for LEED Gold certification from the U.S. Green Building Council.
| Nov 14, 2012
U.S. Green Building Council partners with Pearson
Partnership will help further USGBC’s mission by advancing green building education
| Nov 14, 2012
U.S. Green Building Council announces grant from Google to catalyze transformation of building materials industry and indoor health
Focus is on healthy building materials to promote indoor environmental quality and human health
| Nov 14, 2012
USGBC's Greenbuild International Conference and Expo kicks off in San Francisco
7,000 members of the green building industry convene for opening plenary headlined by "Morning Joe" co-hosts Mika Brzezinksi and Joe Scarborough
