Oregon federal building lauded with sustainable design award
The primary design goal was to transform the existing building from an aging energy hog to one of the premier environmentally-friendly buildings in the nation. Photo courtesy of Nic Lehoux/AIA
Edith Green-Wendell Wyatt Federal Building in Portland, Ore., has received the Top Ten Plus Award from the American Institute of Architects (AIA) and its Committee on the Environment (COTE), according to a press release.
In its fourth year, the award recognizes one past AIA COTE Top Ten Project Award recipient, which has quantifiable metrics demonstrating the true impact the sustainable design has achieved. The project, designed by SERA Architects and Cutler Anderson Architects, was selected in 2014 as a recipient of the AIA/COTE Top Ten Project Award program.
Completed in 1974, the building received funding from the American Recovery and Reinvestment Act in 2010 to undergo a major renovation and replace outdated equipment and systems, according to the AIA. Under the Energy Independence & Security Act, the renovated building would have to meet or exceed stringent energy and water savings requirements. Working with Howard S. Wright Construction, the design team was able to deliver the project 10 months early, saving taxpayers more than $900,000 in the process.
“We were tasked with converting an aging energy hog into one of GSA’s highest-performing buildings,” said Don Eggleston, AIA, principal at SERA Architects.
From an initial building analysis, it was determined that for seismic safety, the precast concrete exterior would need to be removed. Energy studies led to a number of solutions, including a blast-resistant glass curtain wall, exterior shading and reflective elements and a highly-efficient hydronic heating and cooling system inside.
“These creative design solutions not only reduced utility costs, but also freed up more than 30,000 square feet of rentable space that enabled a much greater ROI for the GSA’s investment in this property,” Eggleston said.
Building performance metrics determined by post-occupancy evaluations:
· Renovated building uses 55 percent less energy than the original structure
· Harvested rainwater and water-conserving plumbing fixtures resulted in a 65 percent reduction in water use
· By maintaining a central location downtown, an estimated 85 percent of occupants are not reliant on single-occupancy vehicles for transportation
· The radiant heating and cooling system resulted in a projected lifecycle cost reduction of $2 million compared to traditional variable air volume air systems
· The building boasts an occupant satisfaction rating of 75 percent
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Companies: The American Institute of Architects