William / Kaven and Kaven + Co. have unveiled plans for a bridged mixed-use skyscraper development that, if built, would become the tallest building in Portland, Oregon. The project would replace the city’s soon-to-be-demolished USPS headquarters with a new 5-million-square-foot development consisting of multiple high-rise buildings containing facilities for retail, office, residential and a hotel. The plan is organized around two central skyscrapers, the taller of which would top out at over 970 feet – more than foot feet taller than the city’s current tallest building, the Wells Fargo Center. The two skyscrapers would be linked at 680 feet high by a 236-foot-long glass-walled bridge housing a skygarden and offering unparallelled views of the city and the surrounding landscape. Buildings would be built to the highest sustainability and energy efficiency standards, utilizing the latest heat pump technology as well as solar-panel-integrated curtain walls.
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