DR. SPANG INGENIEURGESELLSCHAFT FÜR BAUWESEN, GEOLOGIE UND UMWELTTECHNIK MBH

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DR. SPANG INGENIEURGESELLSCHAFT
FÜR BAUWESEN, GEOLOGIE
UND UMWELTTECHNIK MBH

Former mining sites

Selected reference projects

Dr. Spang GmbH

Suspicion of old mine workings on the Dortmund HBF - Witten track


Developer

DB Netz AG, Hagen

Dr. Spang GmbH


Download the project description
Dr. Spang GmbH PDF, 842 KByte

Project

  • DB section 2801 is a two-track section.
  • Following a 2004 report on the mining and geotechnical situation and with regard to stability of the surface, there is a high likelihood that the section of track between km 24.000 and km 24.770 is susceptible in places to risks of sinkholes, subsidence and settling

Our services

  • Establishment of basis of the project
  • Investigative and stabilization concept
  • Invitation to tender
  • Expert support for the investigative and stabilization measures
  • Final documentation
   

Former Happurg / Doggerstollen tunnel system in the Houbirg


Developer

State Office for Construction, Nuremberg, civil engineering department

Dr. Spang GmbH


Download the project description
Dr. Spang GmbH PDF, 874 KByte

Project

  • In accordance with legislation on dealing with the after-effects of war, areas in the Doggerstollen tunnel system in the Houbirg at Happurg that are at risk of collapse will be permanently stabilized

Our services

  • General establishment of basis of the project
  • Performance of project and structural engineering planning pursuant to HOAI § 43 and HOAI § 49 for stages 1 - 2
  • Examination of options and agreement of the project goals with the general public parameters in the form of a decision paper for construction (ES-Bau)
  • Landscape management support plan
  • Special species protection assessment
  • FFH impact assessment
   

Stabilization measures in Herzkamper basin, Sprockhövel


Developer

RWE Service GmbH, Essen

Dr. Spang GmbH


Download the project description
Dr. Spang GmbH PDF, 936 KByte

Project

  • The shallow mine of the "Hauptflöz" layer in the vicinity of the properties at Zum Sportplatz 10-14 in Sprockhövel was investigated and stabilized on behalf of Alte Haase Bergwerks-Verwaltungs-Gesellschaft mbH, Dortmund
  • According to official figures the mine extends over a distance of approx. 160 m
  • It is located in the vicinity of a school, a kindergarten and below the "Zum Sportplatz" road.

Our services

  • Planning and invitation to tender for the investigative and stabilization measures
  • Expert support for the investigative and stabilization measures
   

Expert report on mine damage
at Winterberg-Silbach


Developer

DB Netz AG, West Region, Bergisch-Märkisches Land, Bestwig

Dr. Spang GmbH


Download the project description
Dr. Spang GmbH PDF, 966 KByte

Project

  • Expert report on the rock cutting of DB track section 2854, km 19.864 in the vicinity of the village of Winterberg following the appearance of a sinkhole over a former mine gallery

Our services

  • Clarification of the cause of the damage
  • Inspection of mine plans and elevations
  • Study of the stabilization options
  • Technical support
   

Visitor gallery in the former "Neu Glück" pit


Developer

Town of Plettenberg

Dr. Spang GmbH


Download the project description
Dr. Spang GmbH PDF, 785 KByte

Project

  • Restoration of the "Neu Glück" pit
  • The town of Plettenberg has been using the galleries of the former "Neu Glück" pit on Weidenstraße for guided tours since 2008
  • The galleries show localised fissures, giving rise to fears of significant detachment

Our services

  • Geotechnical survey
  • Stability investigations
  • Proposals for stabilization
  • Pit visits
   

Stability of rock-cut cellars in Überlingen


Developer

Town of Überlingen am Bodensee, Urban Development & Greenery

Dr. Spang GmbH


Download the project description
Dr. Spang GmbH PDF, 309 KByte

Project

  • Hollows have been dug in the rock walls in the municipal gardens and in the adjacent Grundgraben in Überlingen for a variety of purposes since the Middle Ages.
  • The gardens contain what is known as the Kneipp cellar.
  • Size approx. 8 m x 3 m, up to approx. 3 m high
  • The Grundgraben contains the rock-cut cellar used by the town gardeners as a store, approx. 50 m long, up to approx. 8 m high and with a span of approx. 6 m

Our services

  • Geotechnical analyses of stability
  • Consulting services
  • Study of various stabilization options
   

Investigative and stabilization measures for 3 surface shaft openings in Mülheim


Developer

Arnsberg District Authority, section 63 – old mines

Dr. Spang GmbH


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

Project

  • 3 former mineshafts in Mühlheim are being examined with regard to risk management for Arnsberg District Authority

Our services

  • Expert support for the investigative and stabilization measures
  • Analysis of the mine plans and elevations and the mining documents Preparation of the analys
  • Preparation of tender documents
   

Cracks and damage on a residential building in Minden


Developer

Arnsberg District Authority, section 63 – old mines, Dortmund

Dr. Spang GmbH


Download the project description
Dr. Spang GmbH PDF, 286 KByte

Project

  • Cracks and damage on a 1.5-storey residential building on a hillside in Minden
  • The cracks might be caused by near-surface coal mining

Our services

  • Inspection of mine plans and elevations
  • Preparation of an investigation concept
  • Preparation of tender documents
  • Expert support for the investigative and stabilization measures
  • Final documentation
   

Sinkhole on Zechenstraße, Dortmund


Developer

RWE Services GmbH, Dortmund

Dr. Spang GmbH


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

Project

  • A sinkhole has appeared on Zechenstraße in Dortmund, near a former air raid shelter

Our services

  • Subsoil investigations through soundings
  • Preparation of a more detailed investigation concept
  • Preparation of the tender documents for the investigative and stabilization measures
  • Technical site management of the mining investigations and the backfilling and compaction works
  • Final report
   

Sinkhole in a vineyard


Developer

Freiburg im Breisgau Administrative Court

Dr. Spang GmbH


Download the project description
Dr. Spang GmbH PDF, 302 KByte

Project

  • Sinkhole in a vineyard on the edge of the Rhine rift valley as a result of an old iron ore mine
  • Diameter approx. 25 m, depth also approx. 25 m

Our services

  • Inspection of mine plans and elevations
  • Inspection of mine
  • Assessment of stability
  • Expert report for the court
   

Construction of new commercial premises above a former hard coal mine, Witten


Developer

E.ON Montan GmbH, Gelsenkirchen

Dr. Spang GmbH


Download the project description
Dr. Spang GmbH PDF, 705 KByte

Project

  • Construction of a new supermarket on the premises of a former car workshop
  • On the grounds is an abandoned surface shaft opening (Crone shaft: diameter ≈ 2.8 m, depth ≈ 44 m), that is neither filled in nor secured

Our services

  • Subsoil assessment
  • Subsoil evaluation and foundation work consultancy
  • Risk assessment
  • Inspection of mine plans and elevations
  • Investigation of mine condition
  • Safety coordination
  • Expert support for the filling/compaction works on mine cavities (former Crone shaft)
   

Shaft investigation and renovation, Clarenberg lunettes, Dortmund


Developer

RWE Service GmbH, Essen

Dr. Spang GmbH


Download the project description
Dr. Spang GmbH PDF, 1056 KByte

Project

  • Investigation and inspection of two former lunettes in Dortmund-Hörde
  • According to official figures the shafts have a vertical depth of approx. 18 m and 20 m

Our services

  • Inspection of mine plans and elevations
  • Preparation of the investigation concept
  • Preparation of tender documents
  • Supervision of works
  • Specialist support
  • Evaluation of the stability of the shafts
   

Stabilization of Girondelle 3 and 4 stratum, Clarenberg, Dortmund


Developer

Arnsberg District Authority

Dr. Spang GmbH


Download the project description
Dr. Spang GmbH PDF, 1005 KByte

Project

  • Danger of a cave to the surface caused by workings of a vein
  • Downfall zones were discovered in several offset holes drilled under Benninghofer Straße

Our services

  • Access holes in the area of Benninghofer Straße
  • Construction support for access and fill holes
  • Specialist support
  • Supervision of works
   

Construction of new health centre in Witten-Annen


Developer

PBC Bauconsult GmbH,
Castrop-Rauxel

Dr. Spang GmbH


Download the project description
Dr. Spang GmbH PDF, 196 KByte

Project

  • Partially cellared, mainly 5-storey business premises with penthouse
  • Footprint approx. 70 m x 33 m
  • Reinforced concrete structure with supporting brickwork

Our services

  • Soil classification, geostatic calculations
  • Subsoil investigation, foundation works consultancy
  • Inspection of mine plans and elevations
  • Mine inspection because the land is located within the Lower Rhine-Westphalia hard coal and ore mining region
   

Mine stabilization of
Friedrich shaft, Witten


Developer

Alte Haase Bergwerks-Verwaltungs-Gesellschaft mbH

Dr. Spang GmbH


Download the project description
Dr. Spang GmbH PDF, 160 KByte

Project

  • Investigation of the sloping Friedrich shaft
  • Depth 61 m
  • The shaft was immediately adjacent to a public road

Our services

  • Preparation of the investigation concept
  • Supervision of works / expert support
  • Evaluation of exploratory/investigative works
  • Concluding report and documentation
   

Residential property at
Nußbaumweg 10,
Witten-Bommern


Developer

Mr Hobeling, Witten

Dr. Spang GmbH


Download the project description
Dr. Spang GmbH PDF, 229 KByte

Project

  • New construction of 2-storey, full-basement residential property with a footprint of approx. 150 m²
  • The property is situated close to the former mining site of the Witten coal mine (Geitling hard coal stratum)

Our services

  • Investigation and assessment of the subsoil in accordance with DIN 4020
  • Recommendations on foundations
  • Geothermal report
  • Assessment of drainage capacity
  • Inspection of plans and elevations for mines
  • Tender for investigation of mines and expert support and evaluation of the results from drillings
  • Planning and tendering for in-filling of the former mine
  • Support during construction
   

New construction of a
residential facility, Project
Stockumer Straße, Bochum


Developer

Kriener Wohnungsbau-gesellschaft mbH, Witten

Dr. Spang GmbH


Download the project description
Dr. Spang GmbH PDF, 105 KByte

Project

  • Constructing a residential facility with 16 semi-detached units on a former industrial site
  • Total area 5,700 m²
  • Measures for redevelopment of a former mining area
  • Restoration of the subsoil

Our services

  • Concept for demolitions works, reinstatement concept including on-site support during construction
  • Investigation and assessment of the subsoil in accordance with DIN 4020
  • Recommendations regarding foundations
  • Investigation of inherited pollution
  • Inspection of plans and elevations for mines at the Arnsberg district authorities
  • Expert examination and report on in-filling of mining works
   

New construction of a hotel complex, Selmastraße, Essen


Developer

KapHag Architektur und Bau GmbH, Berlin

Dr. Spang GmbH


Download the project description
Dr. Spang GmbH PDF, 139 KByte

Project

  • Hotel complex with 7 upper storeys in Essen City, covering an area of 4,000 m²
  • Previous development was destroyed during WW2

Our services

  • Examination of the subsoil
  • Report on foundations for the new building, taking account of influences from mining
  • Initial assessment of inherited pollution
  • Inspection of plans and elevations for mines, risk assessment
  • Support for investigative, infilling and compaction drilling to secure the empty chambers left over from mining
   

New construction of a residential facility,
Dachsweg, Dortmund


Developer

Kaefer GmbH, Bremerhaven

Dr. Spang GmbH


Download the project description
Dr. Spang GmbH PDF, 112 KByte

Project

  • New construction of a 3 ½ storey semi-detached house on a sloping site
  • Site over a former mining works

Our services

  • Inspection of plans and elevations for mines
  • Risk assessment
  • Tendering for investigative measures
  • Expert monitoring of investigative drillings for shafts and mining chambers
  • Assessment of the current safety of the site
  • Expert monitoring of infilling and compaction works to fully secure the site
   

New construction of a dental-biomedical R&D centre( ZBZ) ,
Karl-Herrhausen-Str., Witten


Developer

ZBZ - Witten GmbH

Dr. Spang GmbH


Download the project description
Dr. Spang GmbH PDF, 161 KByte

Project

  • New construction of a dental-biomedical R&D centre (ZBZ)
  • 5-storey building comprising 4 round towers
  • Given the sloping site, the cellar level was below the site surface level on the side to the road

Our services

  • Assessment of subsoil
  • Advice regarding foundations
  • Percolation report
  • Taking account of influences from mining
   

New construction of residential housing, Project Strontianitstraße, Ahlen-Vorhelm


Developer

Bendix, Ahlen

Dr. Spang GmbH


Download the project description
Dr. Spang GmbH PDF, 111 KByte

Project

  • Planned development on an area covering 12,000m² in Ahlen-Vorhelm
  • Site above a former vertical face for mining of strontianite
  • Shown as an area at risk from mining in the spatial use plan

Our services

  • Inspection of plans and elevations for mines
  • Risk assessment
  • Tendering for investigative measures
  • Geotechnical recording of excavator prospecting works to determine the site of the course of strontianite
  • Expert monitoring of investigative drillings for a shaft and mining chambers
  • Assessment of the current safety of the site
   

Prometheus, Ruhr-Universität
Bochum


Developer

rubitec GmbH, Bochum

Dr. Spang GmbH


Download the project description
Dr. Spang GmbH PDF, 143 KByte

Project

  • Sinking two drill holes to a depth of 4,000 m
  • Obtaining geothermal energy on the site of FH Bochum
  • Size of drilling site 7,500 m²
  • At a depth of around 1,000 m there are production caverns established in former mining chambers.

Our services

  • Investigation of the subsoil, assessment of subsoil and advice on foundations for the drilling site
  • Inspection of plans and elevations for mines
  • Inspection of the archive of air protection facilities
  • Risk assessment

nach oben TOP

 
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

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

Munich

Phone: 089-2 77 80 82-60
Fax:  089-2 77 80 82-90
E-Mail muenchen@dr-spang.de

Download

Project descriptions

  • Suspicion of old mine workings on the Dortmund HBF - Witten track
    Dr. Spang GmbH PDF, 842 KByte
  • Former Happurg / Doggerstollen tunnel system in the Houbirg
    Dr. Spang GmbH PDF, 874 KByte
  • Stabilization measures in Herzkamper basin, Sprockhövel
    Dr. Spang GmbH PDF, 936 KByte
  • Expert report on mine damage at Winterberg-Silbach
    Dr. Spang GmbH PDF, 966 KByte
  • Visitor gallery in the former "Neu Glück" pit
    Dr. Spang GmbH PDF, 785 KByte
  • Stability of rock-cut cellars in Überlingen
    Dr. Spang GmbH PDF, 309 KByte
  • Investigative and stabilization measures for 3 surface shaft openings in Mülheim
    Dr. Spang GmbH PDF, 286 KByte
  • Cracks and damage on a residential building in Minden
    Dr. Spang GmbH PDF, 286 KByte
  • Sinkhole on Zechenstraße, Dortmund
    Dr. Spang GmbH PDF, 350 KByte
  • Sinkhole in a vineyard
    Dr. Spang GmbH PDF, 302 KByte
  • Construction of new commercial premises above a former hard coal mine, Witten
    Dr. Spang GmbH PDF, 705 KByte
  • Shaft investigation and renovation, Clarenberg lunettes, Dortmund
    Dr. Spang GmbH PDF, 1056 KByte
  • Stabilization of Girondelle 3 and 4 stratum, Clarenberg, Dortmund
    Dr. Spang GmbH PDF, 1005 KByte
  • Construction of new health centre in Witten-Annen
    Dr. Spang GmbH PDF, 196 KByte
  • Mine stabilization of
    Friedrich shaft, Witten

    Dr. Spang GmbH PDF, 160 KByte
  • Residential property Nußbaumweg 10,
    Witten-Bommern

    Dr. Spang GmbH PDF, 229 KByte
  • New construction of a residential facility
    Stockumer Straße, Bochum

    Dr. Spang GmbH PDF, 105 KByte
  • New construction of a hotel complex Selmastraße, Essen
    Dr. Spang GmbH PDF, 139 KByte
  • New construction of a residential facility, Dachsweg, Dortmund
    Dr. Spang GmbH PDF, 112 KByte
  • New construction of ZBZ , Karl-Herrhausen-Str., Witten
    Dr. Spang GmbH PDF, 161 KByte
  • New construction of a residential facility, Strontianitstraße, Ahlen-Vorhelm
    Dr. Spang GmbH PDF, 111 KByte
  • Prometheus, Ruhr-Universität, Bochum
    Dr. Spang GmbH PDF, 143 KByte