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Projects abroad
Selected reference projects
Modernisation and renovation measures
Developer
Passenger Rail Agency of South Africa (PRASA)
Download the project description
PDF, 853 KByte
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Project
- The Passenger Rail Agency of South Africa (PRASA) is carrying out modernisation and renovation measures (with increase in speed to 120km/h in place) in the Durban, Cape Town and Gauteng areas
- Assessment of the condition of the existing infrastructural facilities
Our services
- Site management and construction support
- Geotechnical consultancy
- Monitoring and analysis of field work
- Preparation of expert report
- Assessment of the existing infrastructural facilities and tracks
- Visual inspection of the existing drainage system
- Interpretation of georadar analyses
- Determination of the scope of the renewal measures
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Chlor-alkali electrolysis plant, Cuba
Developer
ThyssenKrupp Uhde GmbH, Dortmund
Download the project description
PDF, 865 KByte
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Project
- Erection of a chlor-alkali electrolysis plant in Cuba close to Sagua La Grande, approx. 240 km east of Havana.
- Footprint of plant approx.. 200 m x 150 m
Our services
- Inspection, technical inspection and analysis of the existing local soil report
- Preparation of a foundation advice report
- Subsidence calculations for typified single and strip foundations and foundation slabs
- Derivation of key ratios relevant to measurement
- Advice and recommendations on execution of the earthworks and foundations
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QVC plant, Qatar
Developer
ThyssenKrupp Uhde GmbH, Dortmund
Download the project description
PDF, 699 KByte
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Project
- Expansion of an existing chlor-alkali & EDC plant 40 km south of Doha, Qatar
- Preparation of a geotechnical investigation programme
Our services
- Inspection, analysis and assessment of the field and laboratory studies
- Preparation of a foundation advice report for various parts of the plant
- Performance of geotechnical calculations
- Assessment of the soil-structure interaction for neighbouring tank structures
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Alexfert AS Ammonia Sulphate Project Alexandria
Developer
ThyssenKrupp Uhde GmbH, Dortmund
Download the project description
PDF, 412 KByte
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Project
- Construction of a new ammonia sulphate plate in El Tabia, Alexandria, Egypt
- Foundation of the plant on auger piles due to the depth and low bearing capacity of the soft clays of the Nile delta
Our services
- Inspection, analysis and interpretation of the local subsoil report
- Preparation of a typified pile survey for a variety of load constellations (pushing/bending, pulling/bending, group effect) with the scope of the technical execution planning
- Geotechnical advice in the planning phase
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Chameliya Hydroelectric Project
Developer
NEA, Nepal Electricity Authority
Download the project description
PDF, 383 KByte
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Project
- 4,067 km long industrial water drainage level with depth of cover
- Tunnel cross-section 5.20 m
- Conventional mining advance heading with stabilization measures
- Shotcrete construction with concrete lining
- Stabilization problems due to pressure from rock cover
- Cross-section widened in large areas of the tunnel due to significant deformation, leading to ingress of water and sludge
Our services
- Inspection of the proposed construction method and proposals for monitoring the pressure from the rock cover and the reprofiling works
- On-site analyses in a group of experts
- Optimisation proposals for the proposed repair works
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Rock stabilization, N27 trunk road, Bourscheid-Moulin, Luxembourg
Developer
Ministry of Sustainable Development and Infrastructure, Bertrange
Download the project description
PDF, 350 KByte
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Project
- Rock and slope stabilization due to rock and boulder falls on the N27 trunk road, Bourscheid-Moulin
- 11 successive areas in total (total length approx. 1 – 1.5 km)
- The risks arise through progressive weathering and loosening of sections of the rock
Our services
- Geotechnical slope survey
- Rockfall calculation with ROCKFALL V 7.1
- Rock stabilization plan (draft and final design) for approx. 8,500m2 of overnetting and retaining fences
- Project planning pursuant to HOAI § 42, service phases 3 and 5 - 7
- Structural engineering planning pursuant to HOAI § 49, service phases 3, 5 and 6 for rock stabilization measures and statically effective anchoring
- Preparation and assistance in awarding of contracts
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Bagfas, CAN plant in Bandirma, Turkey
Developer
ThyssenKrupp Uhde GmbH, Dortmund
Download the project description
PDF, 320 KByte
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Project
- Construction of a new calcium-ammonium-nitrate plant (CAN) in Bandirma, Turkey, covering an area of approx. 350 m x 150 m
- Construction of new subsidence-sensitive process, control and storage units, including ammonium tank of Ø 45 m
Our services
- Examination of the locally produced soil report with regard to the scope and quality of the field and laboratory analyses and the foundation recommendations made
- Preparation of a programme for the subsequent investigation of the geological and hydrogeological conditions
- Monitoring of the development works on site
- Planning, support and analysis of vertical and horizontal pile sample loads
- Preparation of foundation advice reports
- Planning and consulting during construction with regard to issues of relevant to the foundations
- Support for geotechnical design, numerical calculation of the combined pile-raft foundation
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Tunnels 1 and 2, Erbil, Kora-Shaqlawa-Qandeel Highway Project, Iraq
Developer
General Roads and Bridge Construction department of the regional government of Kurdistan through Al Muhandis Consulting Engineers and RRI, Rhein Ruhr International GmbH, Dortmund
Download the project description
PDF, 148 KByte
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Project
- Construction of a new 30 km highway in the north of Kurdistan
- The highway project includes 2 tunnels, each comprising two separate tubes
- Tunnel 1 has a length of 935 m
- Tunnel 2 has a length of 380 m
Our services
- Local site survey
- File research in Iraq, Erbil site
- Expert report on the need for base reinforcement / sealed base
- Static proofs using the finite element method to assess whether a base for the inner shell is required, including earthquake stress and parameter study
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Rock stabilization of quarry wall
in ENCI lime works
Developer
ENCI, Maastricht, Netherlands
Download the project description
PDF, 570 KByte
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Project
- Continuous rock and slope stabilization of the quarry wall
- Slope height approx. 50 m, slope sometimes overhanging
- Area approx. 1,800 m2
- Drape system braced using rock nails with Flexkopf
Our services
- Execution planning for the overnetting with a rockfall protection curtain
- Preparation of the stability tests
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Approach cuts for the Divaca – Koper railway tunnel, Slovenia
Developer
Republic of Slovenia, Traffic Ministry, Public Railway Infrastructure Directorate, Maribor
Download the project description
PDF, 153 KByte
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Project
- 6 km long railway tunnel with two tubes between the towns of Divaca and Koper
- Approach cuts are required on both sides of the tunnel
- Steep slopes are stabilized by rock bolts and a shotcrete shell
- At the Koper end additional stabilization is provided in places by bored pile walls underneath
Our services
- Technical processing of the slope stabilization by rock bolts and relieved bored pile walls
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New construction of the Metro 4 underground
Developer
DBR Metro Project, Budapest
Download the project description
PDF, 117 KByte
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Project
- Underground rail connection between south-west and north-east Budapest
- 14 stations over a distance of 10.5 km
- Shield driving method applied in clay and sand
- up to 31 m below the site surface
- 5.2 m tunnel cross-section
- Danube crossing
Our services
- Panel of experts
- Advice on geotechnics during execution
- Advice on tunnel construction during execution
- Risk analysis
- Assessment and acceptance of amendments to contract
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S7 expressway, Poland
Developer
Generalna Dyrekcja Dróg Krajowych, Autostrad Oddzial w Krakowie
Download the project description
PDF, 138 KByte
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Project
- New construction element in the Lubien-Rabka Zdroj section
- 1,980 m tunnel in solid rock of the Rayon Maly Lubon in the Carpathian mountains/uplands
- Difficult geology with flysch sediments
Our services
- Devising the investigation programme
- Obtaining permissions for access and to carry out works
- Examination of the subsoil
- Monitoring of investigative works
- Geological engineering and hydrogeological cartography
- Geological engineering and tunnel construction engineering report
- Hydrogeological report
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Stockton Mine, Westport,
New Zealand
Developer
Solid Energy New Zealand Limited, Neuseeland
Download the project description
PDF, 134 KByte
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Project
- Demolition of a 10 m solid stratum of hard coal
- 30 m sandstone covering in the open cut mine on the edge of the side of a hill with a nature conservation area beneath it
Our services
- Site inspection
- Geotechnics advice on securing the edge of the mined area in respect of the nature conservation area
- Assessing the current safety status of the sides of the hill
- Assessing the risks of falling stones and rockfall
- Suggestions on removal and securing of the sides of the hill
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Motorway tunnel to the north of the capital city of Luxembourg
Developer
Duchy of Luxembourg
Download the project description
PDF, 171 KByte
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Project
- Length: 2 x 2.966 m
- 2 separate tunnel pipes, 1 pipe 3-lane, 1 pipe 2-lane
- Spacing between pipes ranging between 22.35 m and 43.15 m
- 10 crosswise galleries
- 4.63% incline
- Standard advance method: roof section - face
Our services
- Opinion on the geological conditions
- Devising a plan of work for “Follow-on sealing of the creep roof after 40 m advance in roof section”
- Notes on the tendered arrangements for over-dimensioning
- Assessment of measures to secure the tunnels
- Special proposals and technical proposals
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Chapmans Peak, Cape Town,
South Africa
Developer
Brugg Seiltechnik Holding AG, Brugg, Schweiz
Download the project description
PDF, 448 KByte
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Project
- Securing the coastal road threatened by falling stones and rock using protective nets and trapping fences
Our services
- Local recording of geological conditions
- Geotechnics advice on-site to the company carrying our the works
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Antwerp container facility
Developer
Walter-Bau AG, Düsseldorf
Download the project description
PDF, 98 KByte
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Project
- Instating an automated container system facility
- A number of crane tracks running in parallel, set up on local concrete pillar supports around 15 m in height with a cross-section of 1.7 x 0,7 m.
- The foundations for the pillars were sunk individually using a square area of 3.6 x 3.6 m and a height of 1.4 m
- Beneath the individual foundations, in each case 4 localised driven piles were planned with a diameter of 0.61 m and an angle of 1: 8
Our services
- Expert evaluation
- Geotechnics advice
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Company head office Witten
Phone: 02302 - 9 14 02 -0
Fax: 02302 - 9 14 02 -20
zentrale@dr-spang.de
Esslingen/Neckar
Phone: 0711 - 351 30 49 -0
Fax: 0711 - 351 30 49 -19
esslingen@dr-spang.de
Frankfurt am Main
Phone: 069 – 678 6508 – 0
Fax: 069 – 678 6508 – 20
frankfurt@dr-spang.de
Freiberg/Saxony
Phone: 03731 - 79 87 89 -0
Fax: 03731 - 79 87 89 -20
freiberg@dr-spang.de
Nuremberg
Phone: 0911 - 9 64 56 65-0
Fax: 0911 - 9 64 56 65-5
nuernberg@dr-spang.de
Naumburg/Saale
Phone: 03445 - 762 - 25
Fax: 03445 - 762 - 20
naumburg@dr-spang.de
Hamburg
Phone: 040 – 524 73 35-0
Fax: 040 – 524 73 35-20
hamburg@dr-spang.de
Berlin
Phone: 0331 - 231843 - 0
Fax: 0331 - 231843 - 20
berlin@dr-spang.de
Munich
Phone: 089-2 77 80 82-60
Fax: 089-2 77 80 82-90
muenchen@dr-spang.de
Kufstein
Phone: +43 (0)5372 - 23200-0
Fax: +43 (0)5372 – 23200-20
kufstein@dr-spang.at
Download
Project descriptions
- Modernisation and renovation measures
PDF, 853 KByte
- Chlor-alkali electrolysis plant, Cuba
PDF, 865 KByte
- QVC plant, Qatar
PDF, 699 KByte
- Alexfert AS Ammonia Sulphate Project Alexandria
PDF, 412 KByte
- Chameliya Hydroelectric Project
PDF, 383 KByte
- Rock stabilization, N27 trunk road, Bourscheid-Moulin, Luxembourg
PDF, 350 KByte
- Bagfas, CAN plant in Bandirma, Turkeyt
PDF, 320 KByte
- Tunnels 1 and 2, Erbil, Kora-Shaqlawa-Qandeel Highway Project, Iraq
PDF, 148 KByte
- Rock stabilization of quarry wall
in ENCI lime works
PDF, 570 KByte
- Approach cuts for the Divaca – Koper railway tunnel, Slovenia
PDF, 153 KByte
- New construction of the Metro 4 underground
PDF, 117 KByte
- S7 expressway, Poland
PDF, 138 KByte
- Stockton Mine, Westport, New Zealand
PDF, 157 KByte
- Motorway tunnel to the north of the capital city of Luxembourg
PDF, 171 KByte
- Chapmans Peak, Cape Town, South Africa
PDF, 448 KByte
- Antwerp container facility
PDF, 98 KByte
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