Fan Grouting in Tunnel – Melamchi Water Supply Project

Fan Grouting in Tunnel – Melamchi Water Supply Project

This project involved precision fan grouting within the tunnels of the Melamchi Water Supply Project in Sindhupalchowk District. The work focused on filling voids, sealing fractures, and consolidating the rock mass to improve tunnel stability and water tightness under high-pressure conditions

Client

Melamchi Water Supply Project

Location

Sindhupalchowk, Nepal

Project status

Completed

Melamchi Water Supply

Melamchi Water Supply

Melamchi Water Supply

Fan Grouting in Tunnel – Melamchi Water Supply Project

This project involved precision fan grouting within the tunnels of the Melamchi Water Supply Project in Sindhupalchowk District. The work focused on filling voids, sealing fractures, and consolidating the rock mass to improve tunnel stability and water tightness under high-pressure conditions

Client

Melamchi Water Supply Project

Location

Sindhupalchowk, Nepal

Project status

Completed

Scope of Work

Drilling & Fan Grouting:

  • Carried out controlled drilling and injection of cementitious grout in tunnel sections to fill voids and fractures.

Structural Consolidation:

  • Strengthened the surrounding rock and concrete linings to improve long-term stability.

Monitoring & Quality Control:

  • Ensured proper grout distribution, pressure, and penetration for uniform consolidation.

Why It Matters

This project demonstrated our technical expertise in executing complex grouting operations in tunnel environments. The fan grouting significantly improved structural stability, minimized seepage, and ensured safe and reliable water conveyance through the tunnels.

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