The Construction Source America

Business World | March 2015 216 tion and fan systems according to Susan. “We switched our constant air volume sys- tem on most of the floors to a variable air volume system,” Hammersays.”This required modifying our fan systems to adapt to the changing air system.” Their efforts also included an extensive light- ing retrofit program, with over 400 internal and external light fixtures replaced with LEDs, anddimming controls. Enlisting the help of ESD Global to complete these up- grades and modifications, Hammer says their long-standing relationship with ESD was beneficial, as the existing knowledge of the engineers made the process more man- ageable. “They were very instrumental in designing some of the mechanical systems we have,” Hammerexplains.”As well as recommending some of the new lighting systems we put in.” “There are some engineers there that were in place at the time the building was built,” she continues.”So they have a very intimate knowledge of the existing conditions.”