Is this one already known? 2301 6th Ave
http://web1.seattle.gov/dpd/luib/Notice.aspx?id=3016
Land Use Application to allow two, 32 story buildings (towers) over an eight story base structure. Project includes 640 residential units and 34,200 sq. ft. of retail space. Parking for 1,063 vehicles to be provided in an above and below-grade garage. Project also includes 76,000 cu. yds. of grading. Existing structure to be demolished. Addendum to existing environmental impact statements to be provided (2300 5th Avenue Development & Downtown Height and Density Changes).