Yoshinogawa Valley Renobasyon ng Gusaling Punong-Tanggapan ni Wataru Sato

Ang disenyo na Yoshinogawa Valley Renobasyon ng Gusaling Punong-Tanggapan ni Wataru Sato ay isang lubhang iginagalang na nagwagi ng napaka-prestihiyosong 2026 A' Design Award na Bronse sa Kategoryang Paligsahan na Disenyo ng Arkitektura, Gusali at Estruktura.

BronseArkitektura· 2026

Yoshinogawa Valley Renobasyon ng Gusaling Punong-Tanggapan

ni Wataru Sato

Kliyente: KITAOKA Group

Nagwagi ng A' Design Award na Bronse sa Kategoryang Arkitektura

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Mga Kulay

Ang Disenyo

Tungkol sa Yoshinogawa Valley Renobasyon ng Gusaling Punong-Tanggapan

Ang proyektong ito ay isang renobasyon ng 40-taong-gulang na prefabricated na gusali ng opisina nang walang demolisyon. Isang 50-metrong linear na void ang inilagay sa gitna ng umiiral na istruktura, na nakahanay sa east-west axis ng Ilog Yoshino, na muling nag-aayos sa gusali sa dalawang pakpak na nakaharap sa hilaga at timog. Pinangalanang Yoshino River Valley, ang espasyal na operasyong ito ang bumubuo sa gulugod ng arkitektura. Ang skylight na nakaharap sa hilaga ay nagbibigay ng matatag na liwanag ng araw, habang ang passive na bentilasyon ay nalilikha sa pamamagitan ng pagkakaiba ng taas at presyon. Sa pamamagitan ng muling pag-aayos ng gusali, naiiwasan ng proyekto na hatiin ang mga halagang sinusuportahan nito.

Ang Pagkilala

Tungkol sa A' Design Award na Bronse

Ang Yoshinogawa Valley Renobasyon ng Gusaling Punong-Tanggapan ay nagwagi ng A' Design Award na Bronse, isang lubhang prestihiyosong pagkilalang iginagawad sa mga natatanging disenyong nakikilala sa pagkamalikhain, katalinuhan at talas ng isip. Ang mga nagwagi ng Bronse ay mga likhang lubhang mahusay at kapansin-pansing malikhain na nagpapatunay sa malawak na karanasan, imahinasyon at pagkamaparaan ng kanilang mga tagapagdisenyo. Inaasahang ang Yoshinogawa Valley Renobasyon ng Gusaling Punong-Tanggapan ay isang lubos na pinahahalagahan, hinahangaan at minamahal na bagay na kapansin-pansing propesyonal at makabago. Ang disenyong ito na nagwagi ng A' Design Award na Bronse ay nagsasama ng pinakamahuhusay na kasanayan sa sining, agham, disenyo at teknolohiya, at mahusay dahil sa pansin nito sa detalye. Ang Yoshinogawa Valley Renobasyon ng Gusaling Punong-Tanggapan ay kahanga-hangang tumutugon sa mga pangangailangan, humahaplos sa mga hangarin, bumibighani sa damdamin at umaakit sa pag-uusisa.

Sa Likod ng Disenyo

Press Kit

Mga kredito, miyembro ng koponan at teknikal na detalye na ibinigay ng taga-disenyo.

Mga Natatanging Katangian: 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.
Mga Sukat at Packaging: 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.
Mga Tag: Prefabricated office renovation, open lounge, atrium and skylight, regional architecture, nature-inspired workspace, Yoshino River
Teknolohiya sa Produksyon: 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.
Hamon sa Disenyo: 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.
Pananaliksik: 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.
Inspirasyon: 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.
Tagal ng Proyekto: The project started in January 2023 in Miyoshi Town, Tokushima Prefecture, Japan, and was completed in August 2024.
Daloy ng Operasyon: 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.
Mga Credit ng Larawan: 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.