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Damage Assessment and Repair Works of Upper Tamakoshi Hydroelectric Project

  • ONGOING
  • Environment Study

Large landslide and rockfall as consequence of incessant rain of 27-28 September 2024, damaged the both Settling Basin
and Approach Box Culvert located at Headworks area of the hydropower plant. NEC was hired to assess the damage on the
headworks area and to provide repair details for the central wall and baffle wall of the left settling basin and headwall of left
box culvert so that left settling basin can be restored for the partial operation of the plant.

After the damage assessment, NEC provided repair details of the baffle wall and central wall for the left settling basin.
Similarly repair details for the headwall was prepared and provided for execution at the site. The site supervision of the
repair works was also under the scope of NEC.

With NEC continuous support in repair details and supervision, the repair works of left box culvert and settling basin was
completed within the stipulated timeframe and the plant began its partial operation from 25th December 2025.

Status Ongoing

Tags: Environment Study

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