Australian company and world's tallest timber towerFriday 4 Nov 2022
The companies aim to cut carbon dioxide emissions during construction by 50% or more compared to a conventional building project and operate the tower entirely with renewable energy, they said. The seventh floor upwards will feature a hybrid-timber structure that consists of a combination of steel frames and cross-laminated timber — or a wood panel product made from glued layers of sawn lumber. The product is said to emit less carbon dioxide in production and is lighter than concrete. It can also be recycled for other uses, according to the Japanese construction firm. Reinforced concrete will be used below the seventh floor, including the basement, the two builders said. “Nothing about this project is typical,” said Built CEO and managing director Brett Mason in a company press release. “It has been designed and developed to be a proof of concept for what the future of buildings should look like that are low impact on the environment in both construction and operation.” Obayashi has been emphasizing in its home market the construction of low-emission wood buildings and increasing the use of the eco-friendly lumber product. In March, the Japanese firm completed an 11-floor, 44-meter-tall building in Yokohama, the tallest in the nation to have its main structural components such as columns, floors and walls all be made of wood, it said. The firm “aims to achieve a sustainable society by expanding and promoting the use of recyclable resources such as timber and wooden materials,” Obayashi said, adding that it will address social challenges such as achieving carbon neutrality. In 2016, Obayashi and Built signed a strategic partnership to cooperate on select large-scale construction opportunities in Australia. Photo: A rendering of Atlassian Central, expected to be the world's highest hybrid-timber building | Image courtesy of Atlassian/via Kyodo Source: Japan Times 
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