Participated in Sediment Removal Work in the Rokkason Weir Tunnel

In January 2026, as part of routine maintenance of the Institute’s water intake system from the Chikuma River, IFB staff participated in sediment removal work in the tunnel at Rokkason Weir.
Director Hiroshi Hakoyama and technical staff member Masayuki Itoh joined the on-site work and cooperated with local stakeholders to remove accumulated sediment from the tunnel.