Klang Valley Mass Rapid Transit Project Line 2, Malaysia

This project is part of the Klang Valley Mass Rapid Transit Project Line 2 – Sungai Buloh-Serdang-Putrajaya (SSP) Line. The underground works consists of 13.5km underground tunnels and five underground stations.

The temporary work scope involves:

• Any excavation and lateral support to resist horizontal earth and water pressure arising from subsoil conditions.
• Foundations for heavy lifting cranes and support gantries.
• Temporary diversion schemes for existing watercourses affected by the temporary works, temporary road decking and temporary support of utilities.
• Tunnel segmental lining subjected to construction load and breaking out of tunnel lining to construct cross passage.
• Launch Shaft Elements – thrust frame / block /foundation for thrust frame.
• Face pressure / cutter-head intervention, cross passages and mined adits including temporary bracing support for bored tunnel.
• Impact assessment on the nearby structures due to the temporary works.