DR. SPANG INGENIEURGESELLSCHAFT FÜR BAUWESEN, GEOLOGIE UND UMWELTTECHNIK MBH

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DR. SPANG INGENIEURGESELLSCHAFT
FÜR BAUWESEN, GEOLOGIE
UND UMWELTTECHNIK MBH

Projects abroad

Selected reference projects

Dr. Spang GmbH

Modernisation and renovation measures


Developer

Passenger Rail Agency of South Africa (PRASA)

Dr. Spang GmbH


Download the project description
Dr. Spang GmbH PDF, 853 KByte

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
   

Chlor-alkali electrolysis plant, Cuba


Developer

ThyssenKrupp Uhde GmbH, Dortmund

Dr. Spang GmbH


Download the project description
Dr. Spang GmbH PDF, 865 KByte

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
   

QVC plant, Qatar


Developer

ThyssenKrupp Uhde GmbH, Dortmund

Dr. Spang GmbH


Download the project description
Dr. Spang GmbH PDF, 699 KByte

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
   

Alexfert AS Ammonia Sulphate Project Alexandria


Developer

ThyssenKrupp Uhde GmbH, Dortmund

Dr. Spang GmbH


Download the project description
Dr. Spang GmbH PDF, 412 KByte

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
   

Chameliya Hydroelectric Project


Developer

NEA, Nepal Electricity Authority

Dr. Spang GmbH


Download the project description
Dr. Spang GmbH PDF, 383 KByte

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
   

Rock stabilization, N27 trunk road, Bourscheid-Moulin, Luxembourg


Developer

Ministry of Sustainable Development and Infrastructure, Bertrange

Dr. Spang GmbH


Download the project description
Dr. Spang GmbH PDF, 350 KByte

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
 

Bagfas, CAN plant in Bandirma, Turkey


Developer

ThyssenKrupp Uhde GmbH, Dortmund

Dr. Spang GmbH


Download the project description
Dr. Spang GmbH PDF, 320 KByte

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
   

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

Dr. Spang GmbH


Download the project description
Dr. Spang GmbH PDF, 148 KByte

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
   

Rock stabilization of quarry wall
in ENCI lime works


Developer

ENCI, Maastricht, Netherlands

Dr. Spang GmbH


Download the project description
Dr. Spang GmbH PDF, 570 KByte

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
   

Approach cuts for the Divaca – Koper railway tunnel, Slovenia


Developer

Republic of Slovenia, Traffic Ministry, Public Railway Infrastructure Directorate, Maribor

Dr. Spang GmbH


Download the project description
Dr. Spang GmbH PDF, 153 KByte

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
   

New construction of the Metro 4 underground


Developer

DBR Metro Project, Budapest

Dr. Spang GmbH


Download the project description
Dr. Spang GmbH PDF, 117 KByte

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
   

S7 expressway, Poland


Developer

Generalna Dyrekcja Dróg Krajowych, Autostrad Oddzial w Krakowie

Dr. Spang GmbH


Download the project description
Dr. Spang GmbH PDF, 138 KByte

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
   

Stockton Mine, Westport,
New Zealand


Developer

Solid Energy New Zealand Limited, Neuseeland

Dr. Spang GmbH


Download the project description
Dr. Spang GmbH PDF, 134 KByte

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
   

Motorway tunnel to the north of the capital city of Luxembourg


Developer

Duchy of Luxembourg

Dr. Spang GmbH


Download the project description
Dr. Spang GmbH PDF, 171 KByte

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
   

Chapmans Peak, Cape Town,
South Africa


Developer

Brugg Seiltechnik Holding AG, Brugg, Schweiz

Dr. Spang GmbH


Download the project description
Dr. Spang GmbH PDF, 448 KByte

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
   

Antwerp container facility


Developer

Walter-Bau AG, Düsseldorf

Dr. Spang GmbH


Download the project description
Dr. Spang GmbH PDF, 98 KByte

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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Dr. Spang GmbH

Company head office Witten

Phone: 02302 - 9 14 02 -0
Fax:  02302 - 9 14 02 -20
E-Mail zentrale@dr-spang.de

Esslingen/Neckar

Phone: 0711 - 351 30 49 -0
Fax:  0711 - 351 30 49 -19
E-Mail esslingen@dr-spang.de

Frankfurt am Main

Phone: 069 – 678 6508 – 0
Fax: 069 – 678 6508 – 20
E-Mail frankfurt@dr-spang.de

Freiberg/Saxony

Phone: 03731 - 79 87 89 -0
Fax:  03731 - 79 87 89 -20
E-Mail freiberg@dr-spang.de

Nuremberg

Phone: 0911 - 9 64 56 65-0
Fax:  0911 - 9 64 56 65-5
E-Mail nuernberg@dr-spang.de

Naumburg/Saale

Phone: 03445 - 762 - 25
Fax:  03445 - 762 - 20
E-Mail naumburg@dr-spang.de

Hamburg

Phone: 040 – 524 73 35-0
Fax:  040 – 524 73 35-20
E-Mail hamburg@dr-spang.de

Berlin/Brandenburg

Phone: 0331 - 231843 - 0
Fax:  0331 - 231843 - 20
E-Mail berlin@dr-spang.de

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Project descriptions