Yoshinogawa Valley Obnova zgrade sjedišta tvrtke – dizajner Wataru Sato

Dizajn Yoshinogawa Valley Obnova zgrade sjedišta tvrtke čiji je autor Wataru Sato iznimno je cijenjeni dobitnik prestižne nagrade 2026 Brončana nagrada A' Design Award u natjecateljskoj kategoriji Dizajn Arhitekture, Zgrada i Konstrukcija.

BroncaArhitektura· 2026

Yoshinogawa Valley Obnova zgrade sjedišta tvrtke

autor/ica Wataru Sato

Klijent: KITAOKA Group

Dobitnik nagrade Brončana nagrada A' Design Award u kategoriji Arhitektura

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Dizajn

O dizajnu Yoshinogawa Valley Obnova zgrade sjedišta tvrtke

Ovaj projekt predstavlja obnovu 40 godina stare montažne uredske zgrade bez rušenja. U središte postojeće konstrukcije umetnut je linearni prazni prostor dužine 50 metara, usklađen s osi istok-zapad rijeke Yoshino, čime se zgrada reorganizira u dva krila, sjeverno i južno. Ova prostorna intervencija, nazvana Dolina rijeke Yoshino, čini okosnicu arhitekture. Krovni prozor orijentiran prema sjeveru osigurava stabilno dnevno svjetlo, dok se pasivna ventilacija ostvaruje kroz razlike u visini i tlaku. Reorganizacijom zgrade projekt izbjegava dijeljenje vrijednosti koje podržava.

Priznanje

O nagradi Brončana nagrada A' Design Award

Yoshinogawa Valley Obnova zgrade sjedišta tvrtke je pobjednik Brončane nagrade A' Design Award, visoko prestižnog priznanja koje se dodjeljuje izvanrednim dizajnima što se odlikuju kreativnošću, domišljatošću i oštroumnošću. Brončani pobjednici izdašno su vješti i upečatljivo kreativni artefakti koji potvrđuju golemo iskustvo, maštu i snalažljivost svojih dizajnera. Očekuje se da Yoshinogawa Valley Obnova zgrade sjedišta tvrtke bude visoko cijenjen, voljen i njegovan predmet koji je izuzetno profesionalan i inovativan. Ovaj dizajn koji je osvojio Brončanu nagradu A' Design Award uključuje najbolje prakse u umjetnosti, znanosti, dizajnu i tehnologiji i izvrstan je zbog pažnje posvećene detaljima. Yoshinogawa Valley Obnova zgrade sjedišta tvrtke sjajno zadovoljava potrebe, dotiče želje, očarava osjećaje i privlači znatiželju.

Iza dizajna

Komplet za medije

Zasluge, članovi tima i tehnički detalji koje je dostavio dizajner.

Jedinstvena svojstva: 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.
Dimenzije i pakiranje: 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.
Oznake: Prefabricated office renovation, open lounge, atrium and skylight, regional architecture, nature-inspired workspace, Yoshino River
Proizvodna tehnologija: 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.
Dizajnerski izazov: 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.
Istraživanje: 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.
Inspiracija: 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.
Trajanje projekta: The project started in January 2023 in Miyoshi Town, Tokushima Prefecture, Japan, and was completed in August 2024.
Tijek rada: 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.
Zasluge za fotografije: 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.