ESL have provided survey management and construction support services from site handover to completion on many Tunnel projects in Hong Kong, Malaysia and Taiwan. Our High Precision Gyroscope has been used on the majority of Hong Kong Tunnel projects over the past 10 years and our survey specialisation includes:
- TBM Drives using VMT and ZED Guidance
- Drill and Blast using Fully Automatic Tamrock and Robodrill Machines
- Pipe Jacking using VMT SLS-RV curved alignment system
- Driectional Drilling
- Deep Shaft Sinking
Completed projects include:
Kennedy Town to Wanchai Trunk Sewers, SSDS Deep Sewage Tunnels, Lai Chi Kok Drainage Tunnels, Airport Express Tsing Yi and Lantau Tunnels, Kowloon Southern Loop, Eagles Nest Tunnel, XRL822 (at 7.6km, the longest rail tunnel in HK) as well as the provision of specialist services to many others.