Portland: The Latest Architecture and News

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Oregon has become the first state in the U.S. to allow timber buildings to rise higher than six stories without special consideration. The recent addendum to the state's building code is the result of Oregon’s statewide alternate method (SAM), a program that allows for alternate building techniques to be used after an advisory council has approved the “technical and scientific facts of the proposed alternate method.” The decision stands as a precedent for future construction across the United States.

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Work has begun on the dismantling of the facade of Michael Graves’ iconic Portland Building, part of a $195 million project that could see the building lose its inclusion on the National Register of Historic Places.

New renderings have been revealed of Kaven + Co. and William / Kaven Architecture’s plans for the new Broadway Corridor in Portland, showcasing the full masterplan for the first time. Conceived as a new mixed-use district and transportation hub connecting Union Station and the Pearl District, the Broadway Corridor will feature the city’s new tallest and one of the west coast’s tallest buildings.

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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.

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The United States’ first mass-timber highrise (defined by Emporis Building Standards as a building with an architectural height of 115-328 feet, or between 12 and 40 floors) has been granted planning permission, allowing construction on the landmark project to begin. Located in downtown Portland, Oregon, the building known as Framework will cap out at 12 floors and approximately 128 feet, ushering in a new era of tall building construction in the US.

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Continuing the ever-increasing growth of timber construction architecture in North America and around the world, Carbon12’s recent topping out has resulted in its newly achieved status as the tallest mass timber building in the United States. Situated in Portland and designed by PATH Architecture, the 8-storey condominium is an example of the cost-effectiveness and labor sensitivity of engineered wood products while helping regenerate Oregon’s local timber industry.

With a growing population and rapid development, much of recent focus has been on Portland’s city center, in an effort to preserve the existing natural landscape that surrounds the urban areas. Built of prefabricated cross-laminated timber panels and glu-lam beams around a steel core, Carbon12’s hybrid construction aids the city’s densification, given its off-site construction and quick assembly that help both reduce costs and respond to residential needs.