Dam Spillway Repair & Rehabilitation – Kaligandaki-A Hydropower Station

Dam Spillway Repair & Rehabilitation – Kaligandaki-A Hydropower Station

The spillway of the Kaligandaki-A Hydropower Station operates under high flow conditions and continuous abrasion from waterborne sediments. To restore performance and structural reliability, our team executes a comprehensive rehabilitation program focusing on concrete repair, surface strengthening, and hydraulic protection measures.

The work enhances the spillway’s durability, improves flow efficiency, and safeguards the structure from long-term wear, ensuring stable and uninterrupted hydropower operation.

Client

Nepal Electricity Authority (NEA), Kaligandaki "A" Hydropower Station

Location

Syangja, Nepal

Project status

Completed

Kaligandaki Hydropower

Kaligandaki Hydropower

Dam Spillway Repair & Rehabilitation – Kaligandaki-A Hydropower Station

The spillway of the Kaligandaki-A Hydropower Station operates under high flow conditions and continuous abrasion from waterborne sediments. To restore performance and structural reliability, our team executes a comprehensive rehabilitation program focusing on concrete repair, surface strengthening, and hydraulic protection measures.

The work enhances the spillway’s durability, improves flow efficiency, and safeguards the structure from long-term wear, ensuring stable and uninterrupted hydropower operation.

Client

Nepal Electricity Authority (NEA), Kaligandaki "A" Hydropower Station

Location

Syangja, Nepal

Project status

Completed

Scope of Work

Concrete Surface Restoration:

  • Repair of deteriorated spillway sections using high-strength concrete and precision surface profiling to reinstate structural integrity.

Crack & Joint Treatment:

  • Application of epoxy injection and joint sealing systems to prevent leakage, reduce seepage pressure, and strengthen critical zones.

Hydraulic Surface Protection:

  • Use of abrasion-resistant mortar and protective coatings to withstand high-velocity flows and sediment impact.

Structural Strengthening Works:

  • Targeted reinforcement of weakened areas to enhance load resistance and improve long-term performance under fluctuating discharge conditions.

Project Highlights

  • Restored spillway functionality with high-performance repair and waterproofing solutions.

  • Improved durability and abrasion resistance for long-term structural protection.

  • Enhanced safety and hydraulic performance under peak flow operations.

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