4 pipe jacking DN 800 - 1000 from a shotcrete launch pit
- Client
- Mainzer Netze
- Scope of services
- 180 m pipe jacking DN 800 - 1000; 4,000 m PE cable conduit DN 200 with E-sleeves; 260 m gas pipeline DN 200; 1 shotcrete pit; 2 target pits in slide rail shoring; 1 target pit as lowering structure
- Geology
- Backfill, sand/gravel
- Special feature
- 1 target pit as lowering structure; 4 jackings from a shotcrete launch pit; tight space conditions in city traffic
