AVN 1200
Microtunneling
General Information
| Type | AVN 1200 |
| Manufacturer | Herrenknecht |
| Year of Construction | 2001 |
| Weight cutterhead | 13 ton |
Drilling Particulars
| Pipe diameter (internal) | 1200 mm - 1800 mm |
| Jacking pipe material | Concrete, steel, GRE |
| Alignment | Straight or curved |
| Torque | 172.5 kNm |
| Drive length | Up to 500 m |
| Shaft dimensions | Launch shaft 8 x 4 m |
| Reception shaft 5 x 4 m |
