Construction of a 2.5 km long underground rainwater retention channel
- Client
- NEW AG, Mönchengladbach
- Scope of services
- 2,460 m RC-VT pipes DN 3000 / DA 3600
- Geology
- Tertiary fine sands, silty and Quaternary sandy gravels
- Special feature
- Pipe lengths up to 920 m, double S-curve R = 720 m and 1,000 m, groundwater pressures of up to 14 m above pipe base, inner-city in restricted space conditions
