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The Nipro Hachiko Dome (ニプロハチ公ドーム, Nipuro Hachikou Dōmu) is a large wooden stadium in Ōdate, Akita, in northern Japan. The stadium covers an area of 12,915 m².[1] It was completed in June 1997 and is made from 25,000 Akita cypress trees which are covered with a special double Teflon-coated membrane. This allows enough sunlight into the stadium so that during the day no artificial lights are needed.[2] The stadium is principally used for baseball games,[3] but thanks in part to its removable grandstands, the stadium can also be used for other sports and events.[4] Nipro, a Japanese medical equipment manufacturing company, purchased the naming rights to the dome in 2017.[5]

Nipro Hachiko Dome

The Ōdate Jukai Dome
Nipro Hachiko Dome Location within Akita Prefecture Show map of Akita Prefecture Nipro Hachiko Dome Nipro Hachiko Dome (Tohoku Region) Show map of Tohoku Region Nipro Hachiko Dome Nipro Hachiko Dome (Japan) Show map of Japan
Full name	Ōdate Jukai Dome
Location	Odate, Akita, Japan
Coordinates	40°17′32.7″N 140°35′12.7″E
Public transit	Ōdate Station
Parking	1,060 spaces
Owner	Akita Prefecture
Operator	Nipro Odate Factory
Capacity	Concert: 15,000 Baseball: 5,040
Surface	Artificial turf
Construction
Opened	June 1997
Architect	Toyo Ito
General contractor	Takenaka Corporation

Structure

The roof was made from 25,000 Akita cypress trees which were aged over the course of 60 years.[4] This wooden framework is covered with a special double Teflon-coated membrane made from translucent fluorethylene resin-coated fibreglass.[6] This membrane is very strong and light. The stadium is located in a region of Japan that it subjected to heavy snowfall of 2 to 3 m (6.6 to 9.8 ft). Because of this, the dome itself also has an aerodynamic design to resist strong winds and heavy snowfall.[2] Buildup of snow on the roof is prevented by circulating warm air between the two Teflon-coated membranes; this shakes off the snow and allows the stadium to be used in all weather.[4]

Statistics

• Area: 12,915 m²[1]
• Total floor area: 24,672 m²[1]
• Height: 52 m (171 ft)
• Ceiling clearance: 46.2 m (152 ft)

Entertainment events

• B'z – July 20, 1999 [7]
• TRF – August 15, 1998 [8]
• Kinki Kids – August 9–10, 2000 [9]
• SMAP – July 24, 1999,[10] November 3, 2000[11]
• Morning Musume – November 24, 2002[12]

Sports events

• USA VS Japan Collegiate All-Star Series – June 27, 2001 [13]
• Master League baseball games[14]

References

External links

Wikimedia Commons has media related to Odate Jukai Dome.

• Official website (in Japanese)

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