The Knoll at Tigard is a new 46,422 S.F. multifamily residential development consisting of 48 affordable apartments for active seniors (55+). Units are arranged in two wings, a 4-story to the south & a 3-story to the north with a central circulation lobby tower & elevator. Support spaces for the units include a management office, a private residential living room, a large community room, library, computer room, common area kitchen, laundry rooms, mail room & common area restrooms. Other features include a 15,000-gallon cistern that collects rainwater for flushing toilets. In addition, a vertical "living column" spanning the entire height of the building holds vines and other vegetation at the front entrance. The plants are also visible from the inside on each floor