DE
EN
- Open bonnet shield with roadheader set up as a pneumatic jacking system
- Pipe diameter DN1800 / DA2240, length of approx. 120 m, radius 216 m
- Crossing under the A42 motorway
- Special challenge: Short section with a tight radius, use of the INN method for detecting explosive ordnance, obstacle clearance at the working face
Wittekindstraße
- Specialised civil engineering
- Eiffage Infra-Spezialtiefbau
