About the holding of the "Tokyo Gaikan Tunnel Construction Review Committee, Expert Committee" (November 27, 2020

The 4th Tokyo Gaikan Tunnel Construction Review Committee Held the Expert Committee

November 27, 2020
East Nippon Expressway Co., Ltd.

The 4th meeting of "Tokyo Outer Ring Tunnel Construction Review Committee, Expert Committee (Chair: Atsushi Koizumi, Professor Emeritus, Waseda University)" was held as follows.

1 date and time

Friday, November 27, 2020

2 places

Held on a rotating basis

3 Outline of deliberation

  1. About the new underground cavity confirmed by the ground survey around the ground surface depression
    We confirmed the condition of new underground cavities confirmed in the ground survey around the ground surface depression.
  2. About the progress of the investigation around the ground surface depression
    We confirmed the progress of the survey around the depression on the ground surface.
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