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co+labo: Urban Architecture
Research & Design Laboratory


Blue Box Office　
Saitama Japan, 2023
Team: Hirano Kazuyo, Miyazaki Hiroshi, Sadano Toru, Saito Naoki, Miyatake Sotaro, Sano Satoshi / Keio University
Cooperation: Eureka, HHO, Suzuki Akitaka
　
Blue Box Office - Sano lab., Keio Architecture

Simulations of daylight autonomy - Blue Box Office 　
Light-environment of workspace with natural light from clerestory windows
　
To reduce the energy consumption of artificial lighting and improve the wellness and productivity of workers, we aimed to create a bright workspace utilizing daylight. Although the site is open only to the north, the aim was to maximize the brightness by daylight by introducing softly diffusing and reflecting light from the south-facing clerestory windows. The perforated metal reflectors soften the direct light into the space and at the same time illuminate the ceiling with reflected light, giving the space an expansive height direction. These ceilings are either aluminum-foil-finished sloped ceilings or plaster-finished curved ceilings, which fill the space with light and accentuate the height of the ceiling. Simulations of daylight autonomy have confirmed that daylight illumination (300 lx) is secured throughout the seasons.

Blue Box Office - brightness by daylight by introducing softly diffusing and reflecting light from the south-facing clerestory windows

Blue Box Office - Light-environment of workspace with natural light - Sano lab., Keio Architecture

Blue Box Office - Sectional Model

Blue Box Office | co+labo Urban Architecture @ Keio

Blue Box Office - north facade - Sano lab., Keio Architecture

Blue Box Office - Ground floor

Blue Box Office - Sectional Perspective

Blue Box Office - Sano lab., Keio Architecture

Blue Box Office - Concrete Foundation Wall

Blue Box Office - Model Photo

Blue Box Office - Frontal street and Ground floor

Blue Box Office - Kitchen @Entrance Hall

spatial elements to promote workers' communication - Blue Box Office

Visual connectivity analysis using space syntax - Blue Box Office 　
Analytical design of spatial elements to promote workers' communication
　
To promote communication among workers in the office space, we designed the arrangement and shape of spatial elements, e.g. office desks, maximizing visual connectivity. Specifically, we employed a rational furniture arrangement to maximize visual connectivity using space syntax, with multiple island-type desks and PC monitors arranged mainly in an east-west orientation. This enabled an integrated spatiality in response to the light and floor levels in the scale of the furniture and fixtures.

Blue Box Office - Light-reflecting Ceiling @ Office Space

Blue Box Office - top floor

visual connectivity - Blue Box Office

Work space - Blue Box Office

Blue Box Office - Axonometric drawing

Blue Box Office - Entrance

Blue Box Office - Ground Floor View from the Kitchen

Blue Box Office - Ground Floor Level Difference

Blue Box Office - Ceiling finished with aluminum foil

Blue Box Office - Ground Floor
　
Photographs: Ookura Hideki, Uemura Kohei
Drawings: Keio University Sano lab., Eureka

　
Publication
　Blue Box Office - SHINKENCHIKU (Shinkenchiku-sha), Sep. 2023
　Blue Box Office / Eureka + HHO + Keio Architecture Sano Lab - ArchDaily
　Eureka, HHO & Keio Architecture Sano coproduce Blue Box Office - designboom
　Blue Box Office - A comfortable and energy-efficient open space - gooood
　Enriched by light and people - C3 GLOBE

慶應義塾大学 都市建築デザイン研究室（佐野研究室）
理工学部 システムデザイン工学科／理工学研究科 空間・環境デザイン工学専修

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