Yoshinogawa Valley Galvenās mītnes ēkas renovācija — Wataru Sato

Darbs Yoshinogawa Valley Galvenās mītnes ēkas renovācija, kura autors ir Wataru Sato, ir augsti novērtēts un ļoti prestižās 2026 Bronzas balva A' Design Award ieguvējs kategorijā Arhitektūras, ēku un būvju dizains.

BronzasArhitektūra· 2026

Yoshinogawa Valley Galvenās mītnes ēkas renovācija

Autors: Wataru Sato

Klients: KITAOKA Group

Bronzas balva A' Design Award ieguvējs kategorijā Arhitektūra

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Krāsas

Dizains

Par Yoshinogawa Valley Galvenās mītnes ēkas renovācija

Šis projekts ir 40 gadus vecas saliekamā tipa biroju ēkas renovācija bez nojaukšanas. Esošās konstrukcijas centrā ir iestrādāts 50 metrus garš lineārs tukšums, kas izvietots atbilstoši Jošino upes austrumu-rietumu asij, pārkārtojot ēku divos spārnos ziemeļu-dienvidu virzienā. Šī telpiskā operācija, kas nosaukta par Jošino upes ieleju, veido arhitektūras mugurkaulu. Uz ziemeļiem orientēts jumta logs nodrošina stabilu dienasgaismu, savukārt pasīvā ventilācija tiek radīta ar augstuma un spiediena starpību palīdzību. Pārkārtojot ēku, projekts izvairās no tās atbalstīto vērtību sadalīšanas.

Atzinība

Par Bronzas balva A' Design Award

Yoshinogawa Valley Galvenās mītnes ēkas renovācija ir Bronzas balvas A' Design Award ieguvējs, ļoti prestiža atzinība, ko piešķir izciliem dizainiem, kas izceļas ar radošumu, atjautību un viedumu. Bronzas ieguvēji ir pietiekami prasmīgi un pārsteidzoši radoši darbi, kas apliecina to dizaineru plašo pieredzi, iztēli un izdarību. Sagaidāms, ka Yoshinogawa Valley Galvenās mītnes ēkas renovācija būs augsti vērtēts, apbrīnots un cienīts priekšmets, ievērojami profesionāls un inovatīvs. Šis ar Bronzas balvu apbalvotais dizains iekļauj labāko praksi mākslā, zinātnē, dizainā un tehnoloģijās un izceļas ar uzmanību detaļām. Yoshinogawa Valley Galvenās mītnes ēkas renovācija lieliski apmierina vajadzības, skar vēlmes, valdzina jūtas un piesaista zinātkāri.

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Preses materiāli

Dizainera sniegtie autori, komandas dalībnieki un tehniskie dati.

Unikālās īpašības: 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.
Izmēri un iepakojums: 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.
Birkas: Prefabricated office renovation, open lounge, atrium and skylight, regional architecture, nature-inspired workspace, Yoshino River
Ražošanas tehnoloģija: 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.
Dizaina izaicinājums: 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.
Pētījums: 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.
Iedvesma: 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.
Projekta ilgums: The project started in January 2023 in Miyoshi Town, Tokushima Prefecture, Japan, and was completed in August 2024.
Darbības plūsma: 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.
Attēlu autori: 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.