About the depression of the ground surface near the construction site of the Tokyo outer ring road (Kan-etsu-Tomei) [7th report]

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  • About the depression of the ground surface near the construction site of the Tokyo outer ring road (Kan-etsu-Tomei) [7th report]

November 4, 2020
East Nippon Expressway Co., Ltd. Kanto Regional Head Office

PDF version [PDF: 122KB]

Regarding the ground surface depression that occurred near the construction site of the main line tunnel (southbound) on the Tokyo Outer Ring Road (Kan-etsu-Tomei), we confirmed a cavity in the ground when we conducted a ground survey around the depression.
We would like to inform you that we will hold the "Tokyo Gaikan Tunnel Construction Review Committee, Expert Committee" by experts.

1. 1. Date and time

From 10:00 on Thursday 2020

2. place

East Nippon Expressway Co., Ltd. Kanto Regional Head Office Tokyo Outer Ring Construction Office Meeting Room
4-1-23 Takanodai, Nerima-ku, Tokyo

3. 3. agenda

About the underground cavity confirmed by the ground survey around the ground surface depression

4. Coverage, etc.

  • The meeting will be closed.
  • A press briefing will be held after the committee is over. If you wish, please come to the front entrance on the 1st floor by 13:00. A staff member will guide you. The start time may be delayed depending on the progress of the committee.
  • Please refrain from interviewing related parties and guides outside the press briefing venue.
  • We do not have a parking lot. Please note.
  • In addition, please follow the instructions of the people concerned and the guide.
  • A summary of the results will be posted here immediately after the meeting.

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