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Abstract This is a project to renovate and a city hall building in Kyoto, the ancient capital and metropolis of Japan. The main building, which has historical architectural value, will be made more earthquake resistant, and the building frame will continue to be used. The new annex building to be constructed on an adjacent site is characterized by its high-density office space with a reduced story height under the height regulation to maintain the traditional landscape of Kyoto. The purpose of this study is to plan and analyse a group of city hall buildings with low energy consumption that is appropriate for the environmental city of Kyoto, taking different approaches to decarbonization for the main building to be renovated and the annex building to be newly built. As a result of decarbonization in each of the government buildings, primary energy consumption was reduced by 49% in the main government building and 66% in the annex buildings (both in 2023 performance) compared to the reference building. This showed the importance of adopting effective energy-saving methods in both new construction and renovation.
Published in: IOP Conference Series Earth and Environmental Science
Volume 1582, Issue 1, pp. 012096-012096