Tokyo Outer Ring Road (Kan-etsu-Tomei) Near the construction site
The filling work of the underground cavity confirmed on January 14 has been completed.
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- Press Release Kanto Regional Head Office
- Tokyo Outer Ring Road (Kan-etsu-Tomei) The filling work of the underground cavity confirmed on January 14 near the construction site has been completed.
January 22, 3rd year of Reiwa
East Nippon Expressway Co., Ltd.
Kanto Regional Head Office
We apologize for the concern and inconvenience to the local people regarding the underground cavity that was confirmed on January 14 near the construction site of the Tokyo Outer Ring Road (Kan-etsu-Tomei) main line tunnel (southbound). ..
We are pleased to inform you that the work has been completed today (January 22nd) with about 90m 3 of high-fluidity filler.
We will continue to investigate and study to identify the mechanism of depression and cavity formation, including the cavity confirmed this time.
Attachment: Underground cavity near the depression of the ground surface in Chofu City [PDF: 585KB]
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