Fudomae Apartment with Six Voids Bytový komplex by Akira Koyama

Fudomae Apartment with Six Voids Bytový komplex by Akira Koyama is a highly esteemed winner of the very prestigious 2021 Bronzová cena A' Design Award in Architektura Competition Category.

BronzArchitektura· 2021

Fudomae Apartment with Six Voids Bytový komplex

by Akira Koyama

Client: Key Operation Inc.

Bronzová cena A' Design Award Winner in Architektura Category

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The Design

About Fudomae Apartment with Six Voids Bytový komplex

Fudomae Apartment with Six Voids je pětipodlažní bytový komplex se 14 jednotkami v Tokiu. Budova stojí na hlubokém pozemku s úzkým průčelím, měřícím 17 metrů do hloubky a 8 metrů na šířku. Všechny čtyři rohy každého objemu jsou vykrojeny, čímž vzniká šest vertikálních otvorů, které přivádějí denní světlo do jednotlivých bytů. Komplex je uspořádán jako dva objemy, přední a zadní, oddělené otevřenými chodbami se schodišti vedoucími do všech podlaží. Chodby propojují šest otvorů a slouží zároveň jako trasy pro přirozené větrání. Uliční fasáda je tvořena nosnou stěnou s povrchovou úpravou tryskanou vodním paprskem, která chrání soukromí obyvatel.

The Recognition

About the Bronzová cena A' Design Award

Fudomae Apartment with Six Voids Bytový komplex je vítězem Bronzové ceny A' Design Award, vysoce prestižního uznání udělovaného vynikajícím designům, které se vyznačují kreativitou, vynalézavostí a bystrostí. Bronzoví vítězové jsou hojně zručné a nápadně kreativní artefakty, které dosvědčují rozsáhlé zkušenosti, představivost a vynalézavost svých designérů. Očekává se, že Fudomae Apartment with Six Voids Bytový komplex bude vysoce ceněným, obdivovaným a milovaným předmětem, pozoruhodně profesionálním a inovativním. Tento design, který získal Bronzovou cenu A' Design Award, zahrnuje osvědčené postupy v umění, vědě, designu a technologiích a vyniká pozorností k detailu. Fudomae Apartment with Six Voids Bytový komplex nádherně uspokojuje potřeby, dotýká se tužeb, okouzluje city a oslovuje zvědavost.

Behind the Design

Press Kit

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

Unique Properties: A five-storey apartment complex of 14 units was developed for a parcel along a small local commercial avenue in Tokyo. To develop a parcel relatively deep with tight frontage in central Tokyo, the main theme for drawing the plan focused on supply of daylight and airflow throughout, while retaining density and thus enhancing rents. In this regard, a void to meet the local ordinance requirement of an evacuation route and additional voids were established.
Dimensions & Packaging: The site is a deep parcel with tight frontage, it measures 17 m to the back, 8 m in width. Site area is 155.07m2, Building area is 113.17m2, and Total floor area is 527.68m2. The building consequently comprises two volumes, front and rear, separated by open corridors installed with stairs ascending to all floors for access to the flats.
Tags: Apartment, Window, Voids, Post Coronavirus, Rental Complex, Pet, Cat Owners
Production Technology: Extruded cement panels are used for the wall rising above the outdoor passage in order to reduce the load. The street façade also rises four storeys as structural wall with a water-jet chipped finish. This distinctive expression faces the street and provides robust privacy for sleeping quarters behind the wall. The windows of the street-side voids are effectively set back, while the wall roughened by water jet draws passers’-by attention to enhance window privacy.
Design Challenge: The building code in Japan establishes standards for the specific planar area of openings with respect to the floor space of a room. For residential complexes, the area for openings must be at least 1/7 of the floor space of each room. In relation to the area of a window opening, the distance from the window to adjacent building and the height from the top of the building have a large impact on the calculated effective opening area.
Research: The number of pet cats in Japan is nearing 10 million in 2020. Lifestyle changes brought upon by Covid-19 have increased the desire for comfort from pets.
Important themes based on our Covid-19 experience prompt us to consider inclusion of outdoor space. This flat complex establishes voids for a deep parcel with poor air passage to the back in order to secure natural ventilation.
Inspiration: The four corners of each volume are notched to establish six vertical voids that bring light down into each unit for a heartening indoor environment. For a plan such as this, surrounded by buildings on neighbouring property all around, the lower floors for the new building are often unable to secure effective openings to draw sufficient daylight. The notched corners of each volume establish voids in front of neighbouring property and enable window openings facing the voids to provide effective daylight access that meets building code.
Project Duration: The project is located in Meguro-ku, Tokyo, Japan. The project was started in July 2019, and finished in July 2020.
Operation Flow: A typical studio flat plots the kitchen space and unitized bathroom that require plumbing to the left and right of a central corridor opening up into a bedroom in the back. The studio flats in this complex, however, arrange their bath area towards the core of their volume and corridor along an exterior wall. The respective corridors internally connect the six voids as thoroughfares of natural ventilation.
Team Members: Architect: Akira Koyama + KEY OPERATION INC./ARCHITECTS
Planning & development: ASCOT CORP.
Structure Engineer: Delta Structural Consultants
Service Engineer: Comodo
Contractor: Nakajima Kenko
Image Credits: All Images: Yoshifumi Moriya / Nacasa & Partners Inc.
Video: Akira Koyama / Key Operation Inc.