Portfolio Archiv - IMM Maidl & Maidl

Project location: Freiburg, Germany
Client: Freiburg Regional Council
Processing time: 2016 - dato

Type: single-tube Road tunnel in the Two-way traffic (RQ 11t)
Length: 844 m
Overlap: max. approx. 40 m
Breakdown bays: 2

Areas of responsibility

§ 43 HOAI OP Lph. 1-3
§ 51 HOAI TP Lph. 2-3
Preparation of geotechnical / tunnel construction Report

Project location: Leipzig, Lehna mill
Client: DB InfraGO AG Erfurt, EBA Hall
Processing time: 2024
Utilization: Partial renewal of tunnel Rüßdorf
Length: 264 m
Diameter: single-track existing tunnel to EBO

Areas of responsibility

Static-constructive testing
Checking the implementation planning
Project duration: planned until 2025

Project location: Dresden, Germany
Client: Landesbetrieb für Straßenbau und Traffic Dresden
Processing time: 2016 - dato
Type: twin-tube road tunnel
Length: approx. 3.3 km

Areas of responsibility

§ 43 HOAI OP Lph. 1-3, 5, 6 (structural retrofitting)
§ 51 HOAI TP Lph. 2-6 (structural retrofitting)

Project location: Waldshut - Tiengen and Lauchringen
Client: The Autobahn GmbH of the Federal Government,
Southwest branch Stuttgart
Processing time: 2024 - dato
Type:
- BWT - 2-strip vault cross-section,including two rescue tunnels
- HÄT- 3-lane frame structure
Length:
- BWT - 1,462 m
- HÄT - 150 m

Areas of responsibility

Planning services for the concrete and Joint renovation of tunnel structures
according to ZTV-ING
Project planning HOAI, phases 1-3, 5 and 6
Structural design HOAI, 2-3 and 6

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

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

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

Hanau Rohrvortrieb_Einhebung Maschine_012024

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

Project location: Rothenstein
Client: Thuringian State Office for Construction and Traffic, Road Construction
Processing time: 2018 – 2021
Type: Road tunnel two tubes with 2 lanes
Length: 346 m mined construction method
16 m in open construction
34 m in semi-open construction
Diameter: 9,5 m
Overlap: 30 m

Areas of responsibility

Structural inspection of the tunnel structure, precuts, retaining walls north portal, operations building, pollutant basin, permanent anchors and reinforced concrete re-storage south portal

Project location: Pirna, Germany
Client: DEGES
Processing time: 2018 - dato
Type: single-tube road tunnel
Utilization: Oncoming traffic
Diameter: Jaw profile largest clear width 14.70 m
Length: 340 m, of which 300 m are mined
Overlap: approx. 30 m
Machine type: Excavator drive double-headed elm tunnel drive

Areas of responsibility

Review of the design documents
Review of the tender planning
Tunnel construction consulting and control for Tunneling and concreting work during and in the Follow-up to the drive
Participation in the determination of Tunneling classes, excavation and Safety measures
Assessment of the rock mass, evaluation of the Deformation measurements and checking the found rock properties with regard to the effects on the propulsion and the Inner shell
EPLASS plan management system, checking the Implementation planning and concepts from from a tunnel construction point of view.

Portfolio Archive - IMM Maidl & Maidl - Consulting Engineers

B 294 SCHLOSSBERGTUNNEL, retrofitting

Rüßdorf tunnel

BAB A4 BW80T TUNNEL KÖNIGSHAINER BERGE, retrofit

BAB A98 Bürgerwald and Heidenäcker tunnels

Pipe jacking OKL

380 kV diagonal line Berlin start shaft end pylon Rudolf-Wissell-Brücke to end shaft center

Mine water channel Ibbenbüren

Hanau track culvert

B88, OU Rothenstein Rothenstein Tunnel

Kohlberg tunnel

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Bochum & Munich

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