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Outstanding Civil Engineering Achievement Award

2010年(平成21年度) Iグループ


Construction engineering and management of line-switching.
-For accomplishment a total of 8 track-switching at the biggest terminal, the Shinjuku station-


  • 東日本旅客鉄道(株) 東京工事事務所,国土交通省 関東地方整備局 東京国道事務所,(株)交通建設,(株)大林組,鉄建建設(株),大成建設(株),大和小田急建設(株),ジェイアール東日本コンサルタンツ(株),(株)ジェイアール東日本建築設計事務所
  • East Japan Railway Company Tokyo construction office, Tokyo National Highway Office, Kanto Regional Development Bureau,MLIT. , Kotsu Transport Construction & Engineering Corp., OBAYASHI Corp.  TEKKEN Corp.  TAISEI Corp., Daiwa Odakyu Construction Co.,Ltd, JR East Consultants Company, JR East Design Corp.
The Shinjuku Station is one of the biggest terminals in the world with 7 platforms and 1.5 million passengers a day. For the purpose of mitigating traffic congestions and facilitating traffic transit, the Ministry of Land, Infrastructure, Transport and Tourism (MLIT) made a plan to replace and broaden the Shinjuku Overbridge and to construct a 1.5ha artificial ground for a multimodal traffic plaza, and delegated the construction over the railway tracks to East Japan Railway Company (JR East). Under the condition of limited space and time constraint, JR East carried out a total of 8 track-switching to create a space to build the piers of the overbridge and the artificial ground, mobilizing two thousand workers and heavy cranes on rail without suspending the operation of the station.

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