H30 Internal Landslide Prevention of Material Transportation Road

Customer: Ministry of Land, Infrastructure, Transport &Tourism
Kurobe River Office
Contractor: Otaka Corporation
Period:30th March,2018 -27th December,2019

【Before Construction】Tunnel Repair Work

【After Construction】Tunnel Repair Work

【Before Construction】Slope Spraying Work

【After Construction】Slope Spraying Work

【Before Construction】Rock Fall Prevention Net Work

【After Construction】Rock Fall Prevention Net Work

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