Upsize Kit 1800

Equipment Description:

The 1800 Upsize Kit was designed and manufactured by Tunnel Saz Machine (TSM) Ltd. for the Herrenknecht AVN 1600 micro tunnel boring machine. Commissioned by Alwaha Contracting Company, the customised equipment was developed for use in the Qatar Sewage Network Project to increase the machine’s excavation diameter from 1,600 mm to 1,800 mm.

Key Features and Technical Details

• Design and Manufacturing: Designed and manufactured by Tunnel Saz Machine (TSM) Ltd. specifically for the AVN 1600 tunnel boring machine.
• Upsizing Capability: Developed to increase the nominal excavation diameter from 1,600 mm to 1,800 mm.
• Customised Shield and Cutterhead: Both components are fully customised to accommodate the increased diameter while retaining the essential operating characteristics of the original AVN 1600 system.
• Slurry-Based Excavation: Uses the AVN machine’s hydraulic slurry circulation system to remove excavated material through a conveying pipeline.
• Adaptability to Ground Conditions: AVN technology can be configured for suitable soft ground, mixed ground and rock conditions using appropriate cutting tools.
• Project Application: Supplied for the Qatar Sewage Network Project following an order from Alwaha Contracting Company.