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Kofu City Hall
"Grape Trellis City Hall", solar panels are aligned on the building like grape trellis
Kofu City Hall
Vertical louvers with randomly spaced openings like the Takeda Cavalry also blocks sunlight
Kofu City Hall
Main Entrance with an inviting array of solar panels
Kofu City Hall
Service counters area is lighted by natural sunlight from the courtyard
Kofu City Hall
The assembly hall is decorated with wooden louvers made from city owned forests

Kofu City Hall

The site is located in central Kofu within walking distance of Kofu Station, Yamanashi Prefectural Offices, Maizuru Castle Park and the commercial district.
The new City Hall opens out to the neighborhood, actively welcoming citizens.
The city hall also is the focus for a new pedestrian network safe and full of greenery to create a "Town for Walking".

As the city receiving the most solar radiation in Japan, the City Hall is covered by a 3000kW solar power system designed to emulate the grape trellis fields that dominate the beautiful scenery of Kofu Basin.
Other ecological technologies such as rainwater collection, heat retrieval piping/heat-cool trenches geothermal system and natural ventilation system integrating the courtyard and ventilation voids, are employed throughout in the building. The live digital display shows visitors the systems in action and actual energy production in real time. The City Hall has now acquired the popular nickname "Grape Trellis Hall".
SERVICES
KEYWORD

Project Summary

Project Name
Kofu City Hall
Location
Kofu-shi, Yamanashi, Japan
Major Use
City Hall
Completion
Mar. 2013
Total Floor Area
27,972㎡
Structure
S, SRC, RC
Seismic Isolation
Floors
10F 1BF
Notes
Design Partner/Tatsumi Sekkei, Yamagata Architectural Office, Shindo Design Office, Baba Sekkei inc.
Photo Credit
Yuichi Higurashi

Awards

2017 Carbon Neutral Award
2016 the Society of Heating, Air-Conditioning and Sanitary Engineers of Japan Award
2013 Yamanashi Architectural and Cultural Award
2013 SDA Award

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