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Carrillo Street Steam Plant, a new, ultra-low nitrogen oxide emitting, gas-fi red plant to replace a coal-fi red plant built in 1890, beginning a complicated planning and execution process that has changed burners and emission goals a few times. Despite the rollercoaster process, the new plant should be completed by late 2008 or early 2009, and early estimates indicate an annual reduction in carbon dioxide emissions of 19,000 metric tons, which is a 46 percent reduction in steam-related greenhouse gas emissions. Fink says his department’s challenge going into the future is renovating the existing facilities. “In terms of sustainability, we need to keep looking for ways to do a better job, such as continuing to improve recycling and energy conservation on campus. Our goal is to strive to do all that can feasibly be done to promote sustainability and to be good stewards of the environment.” It surveyed the buildings and produced a utility master plan that identifi ed a number of areas, such as lighting retrofi ts, where investing $6 million would save energy dollars with a short payback. Upgrades to the central chilled water plant replaced ineffi cient pumps and other older equipment and achieved more than $100,000 in annual savings. “Another measure in conjunction with our buildings’ energy management system in our chilled water plant was developing some demandlimiting schemes, since electrical demand has always been an issue here,” says Fink. “Our building automation system would determine when the chillers should start or stop. Another issue was free-cooling our chiller system, which allows us to shut down the chillers and take advantage of exterior air temperatures, and that will save us about $165,000 per year.” In 2004 the university decided to build the UniversityofPittsburgh 60 May 08

May 08 61 which includes a campus in Tulsa as well as the main Stillwater site. “It’s a very exciting project for anybody who has a connection to OSU.” Buchert is now overseeing a $7 million restoration and renovation of Old Central that will install an elevator for ADA compliance and bring the building up to date with modern HVAC systems, interior storm windows and other improvements meant to help make it more energy efficient. The building is slated to reopen later this year and will become the home of OSU’s honor college. “Installing those modern systems in a wood building with a stone exterior is challenging to say the least,” says Buchert. “But so far the plan has come together, and it’s been very exciting for the campus to see the OklahomaStateUniversity Oklahoma State University is in the midst of a construction spree that will refurbish old buildings and add new research space to help the institution continue to grow. Keith Regan learns how old and new are balanced by the long-range facilities team Oldand newmeet For more than 110 years, a building known as Old Central has been a fixture on the Stillwater campus of Oklahoma State University (OSU). Legend has it that students were so eager to have a permanent building on campus when construction began in 1893 that between classes they helped tote bricks to the masons who built it. For decades, however, the building—the oldest building on campus and one listed on the National Register of Historic Places—has been usable only as a museum due to cracks in the foundation and other structural issues. Old Central “has significant sentimental value” for the college, says Mike Buchert, the director of long-range facilities planning for the OSU system,