Alberta Construction Magazine | Spring 2011

Page 44

feature “You have glass all the way to the floor,” Tesciuba says. “You can literally walk up all the way to the glass and use all of that space.” Heating and cooling the perimeter space can now be done using the same overhead air delivery system used for interior spaces instead of installing a second system.

Longer-range plans are to build a second tower next to the existing one.

CAREFUL MONITORING Another important aspect of energy efficiency is reducing the amount of outside air brought into the building. Again, it’s about the sweet spot, the perfect balance between providing high-quality air to breathe and not having cold air to heat. “We are doing a combination of different things to optimize the amount of outside air and then very efficiently heat that outside air to reduce the operating costs,” Morawa says. One of the most innovative aspects is that the building management and control system monitors the CO2 level in the building and the carbon monoxide level in the parking garage. When levels go higher than

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44 | Spring 2011


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