Collision check in anchor

Contractors require targeted and effective contributions to streamline their complex construction projects. Optimizing the alignment, modelling the cross section, or performing a numerical or geotechnical analysis during the design phase leads to considerable savings and achieves desired results of structural excellence.

We therefore offer a range of services of value to contractors, from pre-design to detailed design, through to construction and operation, for all kinds of underground structures. We have supported numerous clients with our valued added knowledge, derived from our experience from a big range of successfully completed underground engineering projects.

Services

Model calculation Excavation / securing entry-cut

Design

  • Feasibility Design
  • Tender Design
  • Detailed Design
  • BIM, 2D and 3D models and drawings

All types of underground structures

  • Tunnels, Adits, Shafts and Galleries
  • Caverns and Underground space

For any type of use

  • Rail, Road and Metro
  • Hydro and Utilities
  • Underground Space

Geology & ground conditions

  • Rock, soft ground and unconsolidated rock
  • Long & deep alpine tunnels & underground structures

Excavation methods

  • TBM
  • Drill & blast
  • Shielded machines in soil
  • Mechanically assisted excavation (road headers, excavators, rippers, etc)

Bim Modell Bözberg

Additional Expertise

  • Ventilation and Safety
  • Assessment and Rehabilitation of existing structures
  • Pipe umbrella, Jetting, Grouting, temporary-, and final support
  • Risk Assessment, Project Management, Cost Control

Partner for all Project Phases (Prequal, Tender, Construction)

  • Review tender from a designer view
  • Gap analysis
  • Identify and assess critical areas
  • Geological assessments
  • Value engineering to reduce costs and speed up the process
  • Review contractor’s alternative ideas from a designer view
  • Estimate and programme design efforts on Design & Build tenders
  • Assess & Design temporary ventilation for construction

Monitoring of Taxiway with automatic total stations

Construction

  • Value engineering
  • Detailed Design incl. reports, models and drawings
  • Independent design checker
  • Site supervision for contractor
  • Quality Control tasks
  • As built documentation
  • Geological monitoring
  • Monitoring of structures

Troubleshooting on site

  • Expertise, consultancy
  • Evaluation and design of possible solutions
  • Analysis and Evaluation of various Construction Methods

Competence

Niagara Tunnel

  • Comprehensive experience in underground design, from early feasibility to final detailed design
  • Site supervision to support you all the way
  • Smart and feasible underground and geotechnical engineering solutions
  • Solid track record of working with contractors
  • Clever, cost sensitive, value added alternatives
  • Independent design checker

Benefits

Start shaft for TBM

  • A competent partner and trouble shooter at any stage of your project
  • Fast reliable and competent engineering solutions to complex geotechnical tasks
  • Direct access to skilled and internationally trained engineers with solid practical know how
  • Solutions that help you manage your risk, speed up the project schedule and reduce your costs

Selected references

Project

Boezberg rail tunnel, Switzerland

Services

IG-Management, Contractor’s engineering, Detailed design for new double track rail way tunnel; part of the 4 m corridor project Basel – Chiasso

Client

Implenia

Project

Delhi Metro line, India

Services

Detailed design, Site supervision, Prediction of ground settlements Twin bored tunnels with shield TBM and an inner diameter of 5.7 m.

Client

Thai Development Public Company Ltd.

Project

Nürnberg – Ingoldstadt – HSR, Germany

Services

Technical approval, Detailed design, Structural documentation Double track line rail tunnel with 2.2 km length and double shell lining. Excavation by drill and blast.

Client

Bilfinger Berger

Project

Ahwaz Metro, Iran

Services

Design & design Reviews, Alignment optimization, Quality and Risk Management Two metro tunnels of 23 km each, 23 stations by cut & cover. Excavation by EPB TBMs Ø = 6.78 m.

Client

Kayson

Project

Suez Canal road tunnel, Egypt

Services

Detailed design, Geotechnical interpreta tion, Implementation project Two 2.8 km long highway tunnels with 6 cross passages under the Suez Canal.

Client

Orascom / Arab Contractors

Project

Downtown metro line 2, Singapore

Services

Contractor’s engineering, Detailed design & design review, Site supervision, Twin bored tunnels with a total length of 5.4 km and 5.8 m inner diameter.

Client

SK Engineering and Construction

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