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
K-12 Schools | Apr 13, 2023
Creating a sense of place with multipurpose K-12 school buildings
Multipurpose buildings serve multiple program and functional requirements. The issue with many of these spaces is that they tend not to do any one thing well.
Healthcare Facilities | Apr 13, 2023
Urgent care facilities: Intentional design for mental and behavioral healthcare
The emergency department (ED) is the de-facto front door for behavior health crises, and yet these departments are understaffed, overwhelmed, and ill-equipped to navigate the layered complexities of highly demanding physical and behavioral health needs.
Office Buildings | Apr 13, 2023
L.A. headquarters for startup Califia Farms incorporates post-pandemic hybrid workplace design concepts
The new Los Angeles headquarters for fast-growing Califia Farms, a brand of dairy alternative products, was designed by SLAM with the post-Covid hybrid work environment in mind. Located in Maxwell Coffee House, a historic production facility built in 1924 that has become a vibrant mixed-use complex, the office features a café bordered by generous meeting rooms.
Urban Planning | Apr 12, 2023
Watch: Trends in urban design for 2023, with James Corner Field Operations
Isabel Castilla, a Principal Designer with the landscape architecture firm James Corner Field Operations, discusses recent changes in clients' priorities about urban design, with a focus on her firm's recent projects.
3D Printing | Apr 11, 2023
University of Michigan’s DART Laboratory unveils Shell Wall—a concrete wall that’s lightweight and freeform 3D printed
The University of Michigan’s DART Laboratory has unveiled a new product called Shell Wall—which the organization describes as the first lightweight, freeform 3D printed and structurally reinforced concrete wall. The innovative product leverages DART Laboratory’s research and development on the use of 3D-printing technology to build structures that require less concrete.
Market Data | Apr 11, 2023
Construction crane count reaches all-time high in Q1 2023
Toronto, Seattle, Los Angeles, and Denver top the list of U.S/Canadian cities with the greatest number of fixed cranes on construction sites, according to Rider Levett Bucknall's RLB Crane Index for North America for Q1 2023.
University Buildings | Apr 11, 2023
Supersizing higher education: Tracking the rise of mega buildings on university campuses
Mega buildings on higher education campuses aren’t unusual. But what has been different lately is the sheer number of supersized projects that have been in the works over the last 12–15 months.
Architects | Apr 10, 2023
Bill Hellmuth, FAIA, Chairman and CEO of HOK, dies at 69
William (Bill) Hellmuth, FAIA, the Chairman and CEO of HOK, passed away on April 6, 2023, after a long illness. Hellmuth designed dozens of award-winning buildings across the globe, including the Abu Dhabi National Oil Company Headquarters and the U.S. Embassy in Nairobi.
Contractors | Apr 10, 2023
What makes prefabrication work? Factors every construction project should consider
There are many factors requiring careful consideration when determining whether a project is a good fit for prefabrication. JE Dunn’s Brian Burkett breaks down the most important considerations.
Mixed-Use | Apr 7, 2023
New Nashville mixed-use high-rise features curved, stepped massing and wellness focus
Construction recently started on 5 City Blvd, a new 15-story office and mixed-use building in Nashville, Tenn. Located on a uniquely shaped site, the 730,000-sf structure features curved, stepped massing and amenities with a focus on wellness.