Project

Project Introduction

educational facility

Koto Ward Municipal Daini Ojima Elementary School

Koto Ward Municipal Daini Ojima Elementary School

This is a plan for an elementary school located in a residential area in Edogawa Ward, Tokyo. The site had a street on the east side and other residential areas on the other sides. In this limited space, it was a challenge to balance traffic noise control, consideration for the surrounding environment, and the development of a learning environment for children.
In the courtyard of the L-shaped school building, terraces called "Leaf Terrace" overlap, creating a three-dimensional forest-like space.

The exterior features square windows, gentle curves, and a red clock tower on the roof, making it a square-shaped urban building facing a straight road. To ensure the school would be unique and stand out as “Our Town’s School,” we held workshops with children and residents to consider the layout plan and promote the sharing of the design process. As a result, we decided to locate the school on a spacious east-facing road, taking into account factors such as sunlight and pressure on the surrounding area, while choosing a layout that maximizes the size of the playground.

We made efforts to make the "Three-Dimensional Forest" more accessible and conducive to the school's overall beauty. The "Leaf Terrace," inspired by the leaves of trees, gently absorbs natural light into the school building. The terraces on each floor provide a safe outdoor space that connects with the library and the lunch room, expanding the children's activity area. Additionally, we installed environmental signs to enable students to learn about systems such as solar power generation and natural ventilation, aiming to create an eco-friendly school where they can see and feel it.

  • Nakaguchi Naohiro

    Nakaguchi Naohiro

    Joined in 1991

    Appointed to the Tokyo 2nd Office Design Studio

    Architectural design: Responsible for everything from basic design to supervision

    This bold proposal is particularly relevant given the drastic changes in the way schools are structured today. I think it has presented a new way of conceiving schools built in the cramped spaces of urban centers. The terrace is a pleasant space where children can interact with one another.

  • Yuki Hiraga

    Yuki Hiraga

    Joined in 2012

    Appointed to the Tokyo 2nd Office Design Studio

    Architectural design: Responsible for everything from basic design to on-site supervision

    It was my first time working on a construction site, but I followed the basic principle of thinking from the perspective of both teachers and students, and while incorporating user feedback through workshops, I addressed issues and challenges that I hadn’t been aware of during the design process.

  • Renjiro HASE

    Renjiro HASE

    Joined the company in 1997

    Structural Design Office, Engineering Division

    Architectural Structure: Responsible for everything from basic design to supervision

    There were many structural innovations required, such as terraces extending into the courtyard and a rooftop pool. To achieve a light yet sturdy structure, we developed our proposal using numerous study models and sketches.

  • Shigaku Sakao

    Shigaku Sakao

    Joined the company in 2014

    Environmental Design Office, Technical Headquarters

    Responsible for basic design

    Environment and Electricity: This was a project I got involved in as a new employee. It was my first experience with large spaces and toilet lighting, but I worked hard to make the most of what I had learned in my student years while seeking guidance from my seniors.

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