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Ondsauna ሳውና by Taro Shimokawa

Ondsauna ሳውና by Taro Shimokawa is a highly esteemed winner of the very prestigious 2025 A' Design Award የነሐስ ሽልማት in የሥነ ሕንፃ፣ ግንባታ እና መዋቅር ዲዛይን Competition Category.


ነሐስሥነ ሕንፃ· 2025

Ondsauna ሳውና

by Taro Shimokawa

Client: Ondpark

A' Design Award የነሐስ ሽልማት Winner in ሥነ ሕንፃ Category

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The Design

About Ondsauna ሳውና

ኦንድሳውና በጫካ ውስጥ የተቀመጠ የሳውና ሕንፃ ነው። ቀጥ ያሉ የውጭ ግድግዳዎች በሳውና ክፍሉ ዙሪያ ተሰባስበው የዛፎችን ወደ ላይ ማደግ ያስተጋባሉ። ጠመዝማዛ መንገድ ወደ ጣሪያ ላይ ማረፊያ ቦታ ይመራል። መግቢያው ከመሬት ከፍታ 250 ሚሊሜትር ላይ፣ የቀዝቃዛ ውሃ መጥለቂያው ወለል በ1000 ሚሊሜትር እና ጣሪያው በ3250 ሚሊሜትር ላይ ስለሚገኙ ከሳውና ወደ ቀዝቃዛ ውሃ መጥለቂያ እና ወደ ክፍት አየር የሚደረገው እንቅስቃሴ በአቀባዊ አቅጣጫ ነው። መደበኛ ያልሆነ ባለብዙ ጎን ንድፍ እና ደፍድፍ ማዕዘን ያላቸው መቀመጫዎች የዕይታ መስመሮችን ይመራሉ እንዲሁም ጎብኚዎች የመስተጋብር ደረጃቸውን እንዲመርጡ ያስችላሉ።

The Recognition

About the A' Design Award የነሐስ ሽልማት

Ondsauna ሳውና የA' Design Award የነሐስ ሽልማት አሸናፊ ነው፤ ይህም በፈጠራ፣ በብልሃት እና በአስተዋይነት ለሚታወቁ ድንቅ ዲዛይኖች የሚሰጥ እጅግ ከፍተኛ ክብር ያለው እውቅና ነው። የነሐስ አሸናፊዎች የዲዛይነሮቻቸውን ሰፊ ልምድ፣ ምናብ እና ብልሃት የሚያረጋግጡ እጅግ ችሎታ የተሞላባቸው እና በሚያስደንቅ ሁኔታ ፈጠራ ያላቸው ሥራዎች ናቸው። Ondsauna ሳውና ከፍ ያለ ግምት የሚሰጠው፣ የሚደነቅና የሚወደድ፣ እጅግ ሙያዊና ፈጠራ የተሞላበት ነገር እንደሚሆን ይጠበቃል። ይህ የA' Design Award የነሐስ ሽልማትን ያሸነፈ ዲዛይን በኪነ ጥበብ፣ በሳይንስ፣ በዲዛይን እና በቴክኖሎጂ ምርጥ ልምዶችን ያካትታል፤ ለዝርዝርም በሚሰጠው ትኩረት ምርጥ ነው። Ondsauna ሳውና ፍላጎቶችን በግሩም ሁኔታ ያረካል፣ ምኞቶችን ይነካል፣ ስሜቶችን ይማርካል እንዲሁም የማወቅ ጉጉትን ይስባል።

Behind the Design

Press Kit

Credits, team members and technical details provided by the designer.

Unique Properties
Trees grow endlessly upward, a concept reflected in the vertical exterior walls clustered around the sauna room. A spiraling path leads upward to a rooftop relaxation space, mirroring the building's form. The sauna entrance is at GL+250, the cold plunge deck at GL+1000, and the rooftop at GL+3250, so the transition from sauna to cold plunge to open air follows a vertical flow. Viewing the forest at treetop height allows one to share in its growth rhythm.
Dimensions & Packaging
The irregular plan was chosen to allow the passage and expansion of the line of sight and to adjust the degree of intimacy, which was rationally solved by the 150mm CLT floor slab. The elimination of beams has eliminated non-perpendicular joints in the structure, contributing to labor savings in site work. The rational walls of the scale module are discretely assembled and the CLT slab connects them. This structural form itself can be described as a sociopetal structure.
Production Technology
An irregular polygonal floor plan guides sightlines, creating varied scenic views. Research shows conversations are twice as frequent at 90 degrees versus side-by-side. Here, strangers sit together, so we chose obtuse-angled benches to balance interaction and privacy, encouraging conversation without intrusion. Varied seating allows for different levels of interaction, while the overall arrangement around a fire fosters a shared experience.
Inspiration
In a sauna, strangers sit nearly naked in close proximity, creating potential intimacy. Yet in Japan, public saunas haven’t fostered this sense of community. By aligning with Japan’s unique sense of closeness, we aim to create a sociopetal space, encouraging shared understanding without forced intimacy. “Non-intrusive” walls balance connection and separation; their verticality resonates with the forest, while their spacing draws nature in and modulates closeness among neighbors.

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