Microtunnel

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  • Project location: Henstedt-Ulzburg, Germany
  • Client: TenneT TSO GmbH, Bayreuth
  • Processing time: 2019 - dato
  • Utilization: 380 kV underground cable routeEast Coast pipeline to connect Offshore wind turbines
  • Length: 2 x 965 m
  • Diameter: Diameter 2.6 m
  • Overlap: up to approx. 10 m
  • Machine type: Hydroshield / Slurry shield

Areas of responsibility

  • Tender planning
  • Invitation to tender
  • Participation in the awarding of contracts
  • Construction supervision and tunnel construction Advice for the construction phase of the continuous Drives
  • Project duration pipe jacking: July to October 2024


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  • Project location: Berlin, Germany
  • Client: 50Hertz Transmission GmbH Berlin
  • Processing time: 2015 - dato
  • Utilization: Cable tunnel
  • Length: 6,700 m, 1 tube
  • Diameter: 3.0 m / 3.6 m (inside/outside)
  • Overlapapprox. 25 m to 30 m
  • Machine type: TVM - Hydro shield
  • Building volume: 53 million

Areas of responsibility

  • HOAI object planning of engineering structures: Lph. 1 - 7
  • HOAI structural design of civil engineering structures: Lph. 3
  • Technical equipment of the shaft structures
  • Safety and health protection
  • Preparation of the tender documents
  • Participation in awarding
  • TBM consultant
  • Process controlling


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  • Project location: Ibbenbüren, Germany
  • Client: RAG Anthrazit Ibbenbüren GmbH
  • Processing time: 2018 - dato
  • Type: Mine water channel
  • Utilization: Tunnel for mine water
  • Length: approx. 7.2 km
  • Diameter: 3,60 m inside
  • Overlap: approx. 7 m to max. 95 m
  • Machine type: EPB / Hydro

Areas of responsibility

  • Planning, site management and local construction supervision Rescue concept
  • Project planning shield tunnel, Lph. 3 - 4, 5 - 8
  • Structural design of the shield tunnel, Lph. 1 – 3, 4 – 6
  • TBM consultant
  • Process controlling


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  • Project location: Hanau, Germany
  • Client: Hanau Netz GmbH, Hanau /Engineering office Becker & Partner GmbH, Bad Soden-Salmünster
  • Processing time: 2021 – 2024
  • Utilization: 20 kV power line, Establishment of a data center
  • Length: approx. 240 m
  • Diameter: Diameter 1.96 m
  • Overlap: up to approx. 6.0 m
  • Machine type: Hydro shield

Areas of responsibility

  • Engineering support
  • Support pressure calculations
  • Creation UiG
  • Process controlling during the tunnelling work
  • BVB services according to VV-Bau


Business hours

Contact us

You can contact us here.

+49 (0)234 / 9 70 77-0Business hours: Monday to Friday, 08:00 - 17:00

Locations

Bochum & Munich



Head office Bochum
Konrad-Zuse-Strasse 18
44801 Bochum

+49 (0)234 / 9 70 77-0info@imm-bochum.de

Munich branch
Nymphenburger Str. 20a
80335 Munich

+49 (0)89 / 890 65 98-20info@imm-muenchen.de

Social Media

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