Emergency inspection of tunnel ceiling panels in NEXCO EAST (interim bulletin)
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- Emergency inspection of tunnel ceiling panels in NEXCO EAST (interim bulletin)
December 7, 2012
East Nippon Expressway Co., Ltd.
NEXCO EAST is About emergency inspection of tunnel ceiling board We carried out an emergency inspection work on the 11 target tunnels based on the instructions of "," and finished the work onsite today.
No damage that hinders running has been found.
[Reference] Tunnel where emergency inspection work was performed
| Admin | Route name | Tunnel name | Up and down | tunnel Extension (Km) | Of which ceiling plate Installation extension (Km) | Remarks |
|---|---|---|---|---|---|---|
| NEXCO East Japan | Kan-Etsu Expressway | Kanetsu tunnel | In-bound line | 11.1 | 0.17 | |
| Out-bound line | 10.9 | 0.15 | ||||
| Hokuriku Expressway | Nou tunnel | Out-bound line | 3.0 | 0.02 | ||
| Takamine tunnel | Out-bound line | 3.1 | 0.02 | |||
| Child ignorance tunnel | In-bound line | 4.6 | 0.05 | |||
| City swing tunnel | Out-bound line | 3.3 | 0.05 | |||
| Aqua Line | Tokyo Bay Aqua Tunnel | In-bound line | 9.6 | 0.3 | ||
| Out-bound line | 9.6 | 0.3 | ||||
| Nagano Road | Tachitoge tunnel | Out-bound line | 3.6 | 0.02 | ||
| Joshin-Etsu Expressway | Gorigamine tunnel | In-bound line | 4.5 | 0.04 | ||
| Happu-san tunnel | Out-bound line | 4.5 | 0.05 | |||
| Taro mountain tunnel | In-bound line | 4.3 | 0.02 | |||
| Ken-O Road | Sugawa Tunnel | In-bound line | 2.4 | 0.04 | ||
| Out-bound line | 2.4 | 0.04 |
(11 tunnels: 14 tubes, target length 1.3km)