Brenner Base Tunnel, Austria/Italy
Twintube single track railwaytunnel
length: ~55,6 km; construction method: TBM: Ø 10,2 m
overburden up to 1.200 m

  • General project management of environmental impact assessment planning and technical treatmentfor the performances of publicauthority proceedings in Austriaand Italy
  • Construction design (main tunnel incl. two single track tubes, access tunnel, multipurpose facilities, drainage tunnel)
  • Maintenance concepts at Austrian tunnel section

Total construction costs: app. € 9,7 mrd. (Cost estimate 2008)

Client: Brenner Basistunnel BBT SE


Pir Panjal, India
Singletrack railwaytunnel
length: ~10,9 km; cross section: 70 m² - 95 m²
overburden up to 1.100 m
construction method: NATM

  • Preliminary design incl. EIS
  • Tender design and tender documents
  • Detailed design
  • Engineering geological mapping
  • Construction supervision

Total construction costs: app. € 100 mill. (Cost estimate 2008)

Client: IRCON International Ltd.


Tunnel Agua Negra, Chile/Argentina
Roadtunnel on an altitude 4.400 m
length: ~14 km; overburden up to 1.500 m;

  • Feasibility and variant studies
  • Geological, geotechnical mapping (1:25000) for two tunnel alignments
  • Planning of a comprehensive investigation programme including core drilling, geophysics, field and laboratory tests

Total construction costs: app. € 655 mill. (Cost estimate)

client: Dirección Provincial de Vialidad de San Juan


Metro Santiago, Chile
Extension Line 2, 4 and 5
total lengths: app. 13,7 km
11 stations; cross section: 50 m² - 150 m²

Examples for sections where services have been redered:

  • Feasibility study
  • Preliminary design and general project
  • Tender design and tender documents
  • Detailed design
  • Construction supervision

Total construction costs: € 310 mill.

Client: Metro Santiago


HSR Graz - Klagenfurt, Koralm Tunnel, Austria
Twin tube, single track railway tunnel
length: ~32,8 km; cross over: 82 m²
overburden up to 1.250 m
Construction method: TBM and NATM

  • Preliminary design
  • Environmental Impact Assessment
  • Hydrogeologic mapping,
  • Planning approval
  • Tender design
  • Detailed design

Total construction costs: app. € 1.300 mill. (Cost estimate 2010)

Client: ÖBB Infrastruktur AG


Visakhapatnam, India
Strategic crude oil storage project in underground rock caverns
Volumen: 1.33 million metric tons

  • Complete engineering design of the storage underground works of the scheme including tunnels, caverns, slope works, shafts, plugs, etc.Geotechnische Planungsleitung
  • Instrumentation and monitoring plan and on site interpretation of geotechnical monitoring results
  • Geotechnical design manager
  • On-site design engineer and coordinator
  • General consultancy services during construction

Total construction costs: app. € 80 mill.

Client: Hindustan Construction Company (HCC)


S16 Arlberg Road & Railway Tunnels, Austria
Escape & Rescue System for railway and roadtunnel
lengths of tunnel structures: app. 2.800 m;

  • Preliminary design
  • Tender design
  • Detailed design

Total construction costs: ca. € 35 mill.



HSR Vienna – Salzburg, Lainzer Tunnel, Baulos LT 22, 31, 32, 33, 34, 44, Austria
Doubletrack railwaytunnel
length: ~13 km

  • Prliminary design and approval for railway authority
  • Tender design LT 22, 31, 32, 33, 44
  • Detailed design  LT 22, LT 34

Total construction costs: € 1.300 mill.

Client: ÖBB Infrastruktur AG


CERN, LHC, Point 5, Switzerland/France
Underground physical research center, length of collider ring: 27 km incl. CMS experimental cavern:  27 m x 53 m;  34 m high; cross section: ~580 m²; service cavern: 19 m x 85 m; 17 m high; cross section ~235 m² 2 shafts: Ø 24 m and 15 m, deep ~100 m  different access-, bypass- and supply tunnels

  • Preliminary design
  • Tender design and preparation of tender documents
  • Detailed design
  • Construction supervision

Total construction costs: € 70 mill.

Client: CERN - European Organization for Nuclear Research


Water Reservoir Kapuzinerberg, Austria
Underground reservoir for 25.000 m3 drinking water in the city of Salzburg
Excavation for all underground structures: 60.000 m³
cross section up to 190 m²

  • Preliminary design
  • Tender design and preparation of tender documents
  • Detailed design
  • Technical management

Total construction costs: ca. € 1,2 Millionen

Client: Salzburger Stadtwerke - Wasserwerke


A10 Tauern-Motorway, Katscherbg Tunnel, 2nd tube, Austria
Motorwaytunnel with a length of: ~5,9 km; cross section: 80 m² - 150 m²

  • Studies
  • Preliminary design
  • Approvals (EIS etc.)
  • Detailed design
  • Preperation of tender documents
  • Shop drawings
  • Geological-geotechnical investigation programme
  • Geological-geotechnical prognosis
  • Geotechnical engineering at site

Total construction costs: app. € 89 mill.



HSR Cologne-Frankfurt, Tunnel Dernbach, Germany
Doubletrack railwaytunnel
length: ~3,3 km; cross section 150 m²
3 emergency exit shafts

  • Detailed design
  • Geotechnical assistance

Total construction costs: app. € 90 mill.

Client: JV NBS Köln-Rhein/Main, Contract B


A9 Pyhrn Motorway, Plabutsch Tunnel, Austria
Twin tube, two lane motorwaytunnel
length: ~10,1 km (each); cross section: 80 m² - 146 m²
vertical shafts: Ø 8.5, length: 99 m/240 m; ventilation cavern: 350 m²

  • Studies (feasibility, alignment, construction method, etc.)
  • Preliminary design
  • Approvals (EIS etc.)
  • Detailed design
  • Preparation of tender documents
  • Shop drawings
  • Consulting during construction
  • Health and safety management

Total construction costs: 1st tube: app.. € 160 Millionen; 2nd tube: app. € 142 mill.

Client: Amt der Steiermärkischen Landesregierung


S10 Mühlviertel Motorway, Austria
Geological-hydrogeological, geotechnical mapping app. 1.000 m wide corridor
length: ~37 km²

  • Approval and  (EIS)  for groundwater and soil
  • 13 2-D- & 3-D groundwater models

Total construction costs: app. € 935 mill.

Client: Amt der Oberösterreichischen Landesregierung, ASFINAG


Metro Budapest, Line 4, section St. Gellert-Station, Hungary
Mined metrostation incl. platform tunnel and other underground structures like shafts.
cross section up to 130 m²

  • Preparation of Tender Design for Contractor
  • Detailed design
  • Surface settlement
  • General Consultancy Services during Construction

Total construction costs: app. € 89 mill.

Client: BAMCO JV (Vinci, STRABAG, Hidepitö)


London Underground, Jubilee Line Extension, Waterloo Station, Great Britain
Metrostation with cross sections up to 105 m²

  • NATM alternative solution for Tender design
  • Detailed design for all NATM sections
  • NATM consulting and practical advising

Total construction costs: app. € 200 mill.

Client: Balfour Beatty - AMEC JV