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 19, 2011
Summit Design+Build selected as GC for Chicago recon project
The 130,000 square foot building is being completely renovated.
| Dec 19, 2011
USGBC welcomes new board directors?
Board responsible for articulating and upholding the vision, values, mission of organization.
| Dec 19, 2011
Davis Construction breaks ground on new NIAID property
The new offices will total 490,998 square feet in a 10-story building with two wings of 25,000 square feet each.
| Dec 19, 2011
Survey: Job growth driving demand for office and industrial real estate in Southern California
Annual USC Lusk Center for Real Estate forecast reveals signs of slow market recovery.
| Dec 16, 2011
Goody Clancy-designed Informatics Building dedicated at Northern Kentucky University
The sustainable building solution, built for approximately $255-sf, features innovative materials and intelligent building systems that align with the mission of integration and collaboration.
| Dec 16, 2011
Stalco Construction converts Babylon, N.Y. Town Hall into history museum
The project converted the landmark structure listed on the National Register of Historic Places into the Town of Babylon History Museum at Old Town Hall.
| Dec 14, 2011
Belfer Research Building tops out in New York
Hundreds of construction trades people celebrate reaching the top of concrete structure for facility that will accelerate treatments and cures at world-renowned institution.
| Dec 14, 2011
Tyler Junior College and Sika Sarnafil team up to save energy
Tyler Junior College wanted a roofing system that wouldn’t need any attention for a long time.
| Dec 13, 2011
Lutron’s Commercial Experience Center awarded LEED Gold
LEED certification of the Lutron facility was based on a number of green design and construction features that positively impact the project itself and the broader community. These features include: optimization of energy performance through the use of lighting power, lighting controls and HVAC, plus the use of daylight.
