AT – Tubespile™ Vacuum Lances
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Drainage and injection drilling systems
AT – Tubespile™ Vacuum Lances
- Installation length
- 3 - 5 m
- System
- Uncoupled, single-pass system
- Application field
- Temporary / semi-temporary drainage around the tunnel excavation
AT – Tubespile™ Vacuum Lances are designed for temporary or semi-temporary drainage around the tunnel perimeter. The system uses an exterior steel tube with a PVC drainage tube inserted after drilling and operates as an uncoupled, single-pass solution. By reducing water content in the surrounding ground, it enhances stability and supports safe excavation.
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Reliable installation in all ground conditions
The self-drilling, fully cased installation ensures proper placement even in changing, flowing, or poor ground. With no annular gap during installation, the system prevents settlement or ground loosening.
Reliable installation in all ground conditions
The self-drilling, fully cased installation ensures proper placement even in changing, flowing, or poor ground. With no annular gap during installation, the system prevents settlement or ground loosening.
The self-drilling, fully cased installation ensures proper placement even in changing, flowing, or poor ground. With no annular gap during installation, the system prevents settlement or ground loosening.
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Adaptable drainage performance
The number of drainage holes and the filter slot size can be customized to meet project-specific groundwater conditions, ensuring precise and efficient water control.
Adaptable drainage performance
The number of drainage holes and the filter slot size can be customized to meet project-specific groundwater conditions, ensuring precise and efficient water control.
The number of drainage holes and the filter slot size can be customized to meet project-specific groundwater conditions, ensuring precise and efficient water control.
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Flexible drilling configuration
A range of drill bit types is available, allowing the system to be optimized for different geological environments and guaranteeing effective penetration and performance.
Flexible drilling configuration
A range of drill bit types is available, allowing the system to be optimized for different geological environments and guaranteeing effective penetration and performance.
A range of drill bit types is available, allowing the system to be optimized for different geological environments and guaranteeing effective penetration and performance.
System components
Product specifications
- Installation length
- 3 - 5 m *
- System
- Uncoupled, single-pass system
- Application field
- Temporary / semi-temporary drainage around the tunnel excavation
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