Yoshinogawa Valley Renovasi Bangunan Ibu Pejabat oleh Wataru Sato

Reka bentuk Yoshinogawa Valley Renovasi Bangunan Ibu Pejabat oleh Wataru Sato ialah pemenang yang sangat dihormati bagi 2026 A' Design Award Gangsa yang amat berprestij dalam Kategori Pertandingan Reka Bentuk Seni Bina, Bangunan dan Struktur.

GangsaSeni Bina· 2026

Yoshinogawa Valley Renovasi Bangunan Ibu Pejabat

oleh Wataru Sato

Klien: KITAOKA Group

Pemenang A' Design Award Gangsa dalam Kategori Seni Bina

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Pemenang Anugerah Yang Disahkan

Sahkan Status Anugerah untuk #175868

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Reka Bentuk

Mengenai Yoshinogawa Valley Renovasi Bangunan Ibu Pejabat

Projek ini merupakan renovasi bangunan pejabat pasang siap berusia 40 tahun tanpa kerja perobohan. Satu ruang kosong linear sepanjang 50 meter diselitkan di tengah struktur sedia ada, sejajar dengan paksi timur-barat Sungai Yoshino, menyusun semula bangunan tersebut kepada dua sayap utara-selatan. Dinamakan Lembah Sungai Yoshino, operasi ruang ini menjadi tulang belakang seni bina tersebut. Tingkap bumbung yang berorientasikan utara menyediakan cahaya siang yang stabil, manakala pengudaraan pasif dihasilkan melalui perbezaan ketinggian dan tekanan. Dengan menyusun semula bangunan ini, projek tersebut mengelakkan pembahagian nilai-nilai yang didukungnya.

Pengiktirafan

Mengenai A' Design Award Gangsa

Yoshinogawa Valley Renovasi Bangunan Ibu Pejabat ialah pemenang A' Design Award Gangsa, pengiktirafan yang amat berprestij yang dianugerahkan kepada reka bentuk cemerlang yang dicirikan oleh kreativiti, kecerdikan dan ketajaman fikiran. Pemenang Gangsa ialah artifak yang amat mahir dan sangat kreatif yang membuktikan pengalaman luas, imaginasi dan akal budi pereka bentuknya. Yoshinogawa Valley Renovasi Bangunan Ibu Pejabat diharapkan menjadi objek yang sangat dihargai, dikagumi dan disayangi, sangat profesional dan inovatif. Reka bentuk pemenang A' Design Award Gangsa ini merangkumi amalan terbaik dalam seni, sains, reka bentuk dan teknologi, dan cemerlang dalam perhatiannya terhadap butiran. Yoshinogawa Valley Renovasi Bangunan Ibu Pejabat memenuhi keperluan dengan indah, menyentuh keinginan, memikat perasaan dan menarik rasa ingin tahu.

Di Sebalik Reka Bentuk

Kit Akhbar

Kredit, ahli pasukan dan butiran teknikal yang disediakan oleh pereka.

Ciri-Ciri Unik: Inspired by the Yoshinogawa River, the design translates the structure of a valley into architecture. By dividing the existing building into two volumes and inserting a linear void, a valley-like interior is created.
A 50-meter skylight brings daylight inside, while the void enables ventilation, greenery, and social interaction. This configuration integrates environmental elements into the workplace.
Through renovation, the design reinterprets an existing office and proposes a new spatial model.
Dimensi & Pembungkusan: A valley-like void and continuous skylight are introduced at the center of a 50-meter prefabricated office building. The two-story void brings daylight to the ground floor and enhances natural ventilation.
A 7-meter Benjamin fig tree is placed at the center, visible from both levels. Planting along the void forms a layered green environment connected to the exterior.
Existing structure and finishes are retained, creating a composition where old and new materials coexist.
Tag: Prefabricated office renovation, open lounge, atrium and skylight, regional architecture, nature-inspired workspace, Yoshino River
Teknologi Pengeluaran: The project renovates an existing prefabricated office building without demolition.
A central valley-like void integrates daylight, ventilation, and greenery. Continuous skylights provide stable north light, while passive ventilation is driven by height and pressure differences.
Spatial organization is redefined as an environmental system, reducing reliance on mechanical equipment. Existing structure and finishes are retained, forming a layered expression and a sustainable model for reuse.
Cabaran Reka Bentuk: The primary challenge was to renew the environmental and social value of a deteriorated prefabricated office without demolition or new construction.
Introducing a skylight and central void into an enclosed structure required coordination of structural, safety, and cost constraints.
Rather than relying on equipment, the design redefines spatial organization as an environmental system.
The project shows that architectural operations can generate new value within existing buildings.
Penyelidikan: This research examines how renovation can achieve environmental performance comparable to new construction.
A skylight and central void introduce daylight and passive ventilation, reducing reliance on mechanical systems.
Monitoring shows that artificial lighting is unnecessary during daytime and HVAC demand is reduced. Annual energy decreased by about 73,000 kWh, with savings of 65% in lighting and 30% in air conditioning.
The project presents a replicable model for sustainable renovation.
Inspirasi: The project draws inspiration from the Yoshinogawa River, known as the Mother River of Tokushima.
Rather than referencing its form directly, the design interprets the river as a spatial structure.
By inserting a linear void through the existing building, the architecture transforms the logic of a valley into an interior condition, bringing light, wind, and greenery deep into the space, while also inviting relationships among people, families, and the local community.
Tempoh Projek: The project started in January 2023 in Miyoshi Town, Tokushima Prefecture, Japan, and was completed in August 2024.
Aliran Operasi: The building transforms a closed office into an open environment accessible to families and the local community.
The central valley acts as a social axis supporting movement, staying, and interaction. The ground floor serves as a shared space, while the upper floor provides flexible work areas.
Users are not assigned fixed workplaces but choose spaces as needed. Through everyday use, the project encourages informal encounters and redefines how work and social life coexist.
Kredit Imej: Image #1: Photographer Keita Yamamoto (Architectural Photography), Kitaoka Group Headquarters Renovation, 2024.
Image #2: Photographer Keita Yamamoto (Architectural Photography), Kitaoka Group Headquarters Renovation, 2024.
Image #3: Photographer Keita Yamamoto (Architectural Photography), Kitaoka Group Headquarters Renovation, 2024.
Image #4: Photographer Keita Yamamoto (Architectural Photography), Kitaoka Group Headquarters Renovation, 2024.
Image #5: Photographer Keita Yamamoto (Architectural Photography), Kitaoka Group Headquarters Renovation, 2024.