Tokyo Outer Ring Road (Kan-etsu-Tomei)
About the depression of the ground surface near the construction site [1st 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) [1st report]
October 18, 2020
East Nippon Expressway Co., Ltd. Kanto Regional Head Office
The following ground surface depressions have occurred near the construction site of the Tokyo Outer Ring Road (Tomei-Kanetsu) main line tunnel (southbound). We apologize for the inconvenience caused to the local community and related parties, such as closing roads.
Record
1. 1. Day and time
2020 Sunday, October 18th, around 12:30
2. place
Near 2-chome, Higashi Tsutsujigaoka, Chofu-shi, Tokyo
3. 3. Local situation
A depression occurred on the road of Chofu City Road. (Size 5m x 2.5m)
Currently, we are cooperating with Chofu City to evacuate local residents just in case.
The causal relationship with the shield tunnel construction under construction on the Tokyo Outer Ring Road (Tomei-Kan-etsu) is unknown, but just in case, the shield tunnel construction under construction on the Tokyo Outer Ring Road (Tomei-Kan-etsu) is once. It has been canceled.
4. Origin
Details of the cause of the depression are under investigation, and a meeting of experts will be held as soon as possible to investigate the cause.
Site situation
