Mirabella meets its low-flow sewage goal – but just barely
POSTED: Friday, May 4, 2012 at 02:47 PM PT
BY: Lindsey O'Brien, Daily Journal of Commerce
http://djcoregon.com/news/2012/05/04...t-just-barely/
Quote:
...But for the designers of the $222 million Mirabella high-rise in Portland’s South Waterfront District, the stakes for meeting sustainability targets were especially high.
Pacific Retirement Services, the project owner, initially hired Ankrom Moisan Associated Architects to deliver a Leadership in Energy and Environmental Design silver-rated project, but the designers came up with a convincing business case to reach for platinum: An investment of an extra million dollars up front would reduce operating expenses sufficiently that payback would be achieved in three years, according to architects’ estimates.
Now, after a year of occupancy in the 30-story Mirabella, the architects want a reality check.
...
Building performance analysis for the Mirabella
Operations: 38 percent better than a comparable facility built to minimum code requirements
Annual energy charges: $0.97 per square foot
Annual water and sewer charges: $0.19 per square foot
Approximate total utility costs: $1.16 per square foot
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