DR. SPANG INGENIEURGESELLSCHAFT FÜR BAUWESEN, GEOLOGIE UND UMWELTTECHNIK MBH

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DR. SPANG INGENIEURGESELLSCHAFT
FÜR BAUWESEN, GEOLOGIE
UND UMWELTTECHNIK MBH

Nature Conservation

Selected reference projects

Dr. Spang GmbH

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 the ES-Bau
  • Landscape management support plan
  • Special species protection assessment
  • FFH impact assessment
   

Slope stabilization at Werdorf on the DB Aachen - Gießen line


Developer

DB Netz AG, Frankfurt

Dr. Spang GmbH


Download the project description
Dr. Spang GmbH PDF, 923 KByte

Project

  • Risks of stone, rock and boulder falls on DB track section 2651 near the Werdorf stops and at Dillenberg station
  • Stabilization of the relevant slopes through overnetting and rock nails

Our services

  • Geotechnical rock surveys
  • Preparation of expert report
  • Environmental screening
  • Landscape management support plan
  • Special species protection assessment
   

Rockfall and avalanche
stabilization by the A8
motorway, Drackensteiner Hang


Developer

Stuttgart Regional Administrative Authority

Dr. Spang GmbH


Download the project description
Dr. Spang GmbH PDF, 997 KByte

Project

  • Constant threat to road traffic on the A8 motorway, Drackensteiner Hang / Albabstieg
  • Risks of rockfall and avalanche from km 152+230 to 152+910
  • Rock and boulder fall events
  • Slope height up to approx. 30 m

Our services

  • Taking of oblique aerial photographs as a basis for mapping
  • Geotechnical site survey of the scars and side slopes on the mountain side
  • Risk assessment
  • Specification of rock mechanical parameters
  • Assessment of the stability of the slope and ledge
  • Stabilization and redevelopment proposals in a study of options with cost estimate
  • Landscape management support plan
  • Species protection examination
   

Effects of the renaturation of a spring fen on the Berlin-Pasewalk-Stralsund railway line


Developer

Brandenburg Regional Office for Environment, Health and Consumer Protection, Potsdam

Dr. Spang GmbH


Download the project description
Dr. Spang GmbH PDF, 287 KByte

Project

  • The effects of the renaturation of a spring fen are being determined and assessed as part of the "Schreiadler Schorfheide" EU-LIFE + Nature project
  • This concerns the Berlin-Pasewalk- Stralsund railway line, DB track section 6081, km 89.300 - 80.700

Our services

  • Expert opinion on the effects of raising the groundwater level
  • Preparation of a reliable geotechnical calculation model for the railway embankment - fen system
  • Evaluation of the load-bearing and operational safety and the fitness for use of the railway embankment
  • Estimation of the maximum possible damming heights
  • Explanation of the effects of the proposed rise in the water table on the stability of the embankment
  • Expert opinion of an expert licensed by the Federal Railway Authority on the effects of raising the groundwater level
  • Technical assistance in the technical solution for reactivating the fen
   

Construction of new gas supply pipe, Wedel


Developer

Vattenfall Europa AG

Dr. Spang GmbH


Download the project description
Dr. Spang GmbH PDF, 308 KByte

Project

  • Construction of new gas supply pipe, Wedel
  • 11.6 km long natural gas pipeline,
  • DN 300, DP 84
  • The pipe supplies a steam turbine power station (GuD)
  • Elbe dyke and Wedel meadow crossed by means of HDD driving process
  • Construction of a new substation

Our services

  • Soil and subsoil analyses
  • Soil mechanical laboratory tests
  • Subsoil expert reports and foundation recommendations
  • Contaminated site examinations
  • Gathering evidence for hydroengineering
  • Drainage planning
  • Preparation of applications for permits under water and nature conservation legislation
  • Environmental screening
   

Rockfall risk in the vicinity of the turbine house at the Saidenbach reservoir


Developer

Saxony dam and reservoir authorities,
Freiberg basin/Zschopau facility, Lengefeld

Dr. Spang GmbH


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

Project

  • Gneiss support blocks are embedded in the masonry dam of the Saidenbach reservoir
  • Support blocks are crumbling and falling onto traffic areas that are used daily and the turbine house

Our services

  • Mountaineering inspection
  • Assessment of rockfall risk
  • Geotechnical survey of the masonry dam on the air side
  • Study of options based on terrain data
  • Environmental impact assessments
  • Project and structural engineering planning for remedial stabilization with rockfall protection fencing (service phases 2-7)
  • Site management for rock stabilization
   

Rock stabilization, Couragefels, Süßer Grund


Developer

Albstadt Municipal Authority, Albstadt-Tailfingen

Dr. Spang GmbH


Download the project description
Dr. Spang GmbH PDF, 281 KByte

Project

  • Rockfall protection for the Couragefels in Albstadt - Ebingen
  • Risks of rock falls, boulder falls and avalanche from the rock walls up to approx. 36 m2
  • Stabilization through nailing

Our services

  • Project and structural engineering planning
  • Planning services and static tests for the overnetting of the lower areas of the Couragefels
  • Application documents for nature conservation approval
   

Slope slippage at the cutting
for the northern portal of Winkhauser Tunnel, Brügge


Developer

DB Netz AG, Münster

Dr. Spang GmbH


Download the project description
Dr. Spang GmbH PDF, 879 KByte

Project

  • Remedial measure after a landslide
  • Special inspection of the terrestrial body at km 21.760 on the one-track, non-electrified track Hagen - Oberhagen - Dieringhausen, DB track section no. 2810
  • Bedrock slope approx. 12 m high
  • The cutting at the northern portal of the Winkhauser tunnel has an incline of approx. 70 to 80%.

Our services

  • Geotechnical inspection
  • Project and structural engineering planning (service phases 1-7) for the stabilisation
  • Specialist support
  • Environmental screening
  • Preparation of nature conservation documents for the purposes of approval planning
  • Landscape management support plan
  • Species protection examination
   

Velden railway station, nature conservation planning application


Developer

DB Netz AG, Nuremberg

Dr. Spang GmbH


Download the project description
Dr. Spang GmbH PDF, 164 KByte

Project

  • DB track section 5903 Nuremberg - Schirnding
  • Cut slope in the solid rock
  • The cutting is approx. 190 m long and up to 15 m high
  • Repeated rock collapses
  • Rock stabilization following boulder fall on the car park

Our services

  • Geotechnical investigative services
  • Assessment of the stability of slopes and inclines
  • Elaboration of stabilization and renovation proposals
  • Planning services: stages 3, 6 and 7 pursuant to HOAI for rock stabilization and collecting structures
  • Environmental screening
  • Preparation of application documents for nature conservation approval
  • Special species protection assessment
   

Precipice stabilization,
Hoher Stein, Dresden


Developer

DB Netz AG, Southeast Region, Leipzig

Dr. Spang GmbH


Download the project description
Dr. Spang GmbH PDF, 154 KByte

Project

  • Danger to rail services on line 6258 Dresden-Werdau, km 3.3-3.5
  • Extensive stone and rock fall risks
  • Rock avalanche risks

Our services

  • Planning services: stages 3 final design, 4 planning application
  • Preparation of tender documents
  • Surveying and geotechnical services
  • Environmental screening
  • Landscape management support planning
  • Special species protection assessment, FFH assessment
   

Slope slippage Kotthausen


Developer

DB Netz AG, Münster

Dr. Spang GmbH


Download the project description
Dr. Spang GmbH PDF, 155 KByte

Project

  • Landslip at km 51.450 on DB track section 2810, Gummersbach- Marienheide
  • Collapse of the cut slope on the right of the track
  • As a result of the landslip soil spilled onto the one-track line over a distance of about 30 m and caused a suspension of rail services.
  • Slipping mass in the loose/solid rock transition with the inclusion of water

Our services

  • Geotechnical inspection
  • Investigation concept for field work
  • Subsoil evaluation
  • Study of options
  • Planning of structural and supporting frameworks for remedial action
  • Investigation concept for field work
  • Environmental screening
  • Landscape management support plan
  • Species protection examination
   

Stabilization of rock slope, Sechshelden


Developer

DB Netz AG

Dr. Spang GmbH


Download the project description
Dr. Spang GmbH PDF, 127 KByte

Project

  • Protection of the railway line threatened by rock fall and avalanche
  • DB track section 2651 / Cologne - Deutz - Gießen, km 120.85 - 121.30

Our services

  • Preliminary assessment of environmental compatibility
  • Landscape management support plan
  • Species protection assessment
  • FFH forecast
   

Stabilization of rock slope,
Illingen


Developer

DB Netz AG, Karlsruhe

Dr. Spang GmbH


Download the project description
Dr. Spang GmbH PDF, 193 KByte

Project

  • Protection of the DB track section 3274 threatened by rock fall and avalanche between km 1.480 and km 1.820
  • Cut slope approx. 8 m high
  • Dwelling at the top of the slope

Our services

  • Project and structural engineering planning pursuant to HOAI for the stabilization measures
  • Geotechnical inspection and assessment
  • Landscape management support plan
  • Environmental screening
  • Special species protection assessment
   

Stabilization of rock slope at Flieden


Developer

DB Netz AG

Dr. Spang GmbH


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

Project

  • Protection of the railway line threatened by rock fall and avalanche
  • Rock stabilization through the use of netting and fences on DB track section 3825 Flieden - Gemünden, km 5.1 to 5.7

Our services

  • Landscape management support plan
  • Species protection assessment
  • Ecological site management
   

Rock stabilization, Krommenthal


Developer

DB Netz AG, Nuremberg

Dr. Spang GmbH


Download the project description
Dr. Spang GmbH PDF, 172 KByte

Project

  • Protection of the railway line threatened by rock fall and avalanche
  • Rock stabilization in the village of Krommenthal
  • The two-track electrified DB track sections runs below outcrops of an approx. 25 m high rock slope
  • Erection of the rockfall protection fence and netting of approx. 100 m²

Our services

  • Geotechnical inspection
  • Planning services for the rockfall protection, project and structural engineering planning
  • Performance of project and structural engineering planning pursuant to HOAI § 42 and HOAI § 49 for stages 4 to 7
  • Preparation of application documents for nature conservation approval
  • Environmental screening
   

Rock stabilization Mattinger
Hänge, sections 1 to 21


Developer

Deutsche Bahn AG/ DB Projektbau GmbH

Dr. Spang GmbH


Download the project description
Dr. Spang GmbH PDF, 155 KByte

Project

  • Protection of the railway line threatened by rock fall and avalanche
  • DB track section 5851 - Regensburg-Ingolstadt, km 10.2 to 13.25, right of track

Our services

  • Landscape management support plan
  • Special species protection assessment
  • FFH preliminary examination
  • Preliminary species protection assessment
  • Environmental screening
   

Stabilization of rock slope, Batzhausen


Developer

Deutsche Bahn AG

Dr. Spang GmbH


Download the project description
Dr. Spang GmbH PDF, 149 KByte

Project

  • Protection of the railway line threatened by rock fall and avalanche
  • DB track section Regensburg - Nuremberg, km 47.800 to 49.100
  • Stabilization of the rock slope with covering netting

Our services

  • Landscape management support plan
  • Special species protection assessment
   

Continuation of the flood
protection concept for dike C5
and measures on the Zschopau
in Krumbach


Developer

Saxony dam and reservoir authorities, Freiberg basin/Zschopau facility

Dr. Spang GmbH


Download the project description
Dr. Spang GmbH PDF, 170 KByte

Project

  • Dike renovation and flood protection measures
  • Length approx. 650 m

Our services

  • Planning services pursuant to HOAI § 55 (1), stages 1 and 2
  • Project surveying pursuant to § 97 HOAI
  • Subsoil investigation pursuant to § 92 HOAI
  • Landscape management support plan
  • Environmental impact 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

  • Former Happurg / Doggerstollen tunnel system in the Houbirg
    Dr. Spang GmbH PDF, 874 KByte
  • Slope stabilization at Werdorf on the DB Aachen - Gießen line
    Dr. Spang GmbH PDF, 923 KByte
  • Rockfall and avalanche stabilization by the A8 motorway, Drackensteiner Hang
    Dr. Spang GmbH PDF, 997 KByte
  • Effects of the renaturation of a spring fen on the Berlin-Pasewalk-Stralsund railway line
    Dr. Spang GmbH PDF, 287 KByte
  • Construction of new gas supply pipe, Wedel
    Dr. Spang GmbH PDF, 308 KByte
  • Rockfall risk in the vicinity of the turbine house at the Saidenbach reservoir
    Dr. Spang GmbH PDF, 320 KByte
  • Rock stabilization, Couragefels, Süßer Grund
    Dr. Spang GmbH PDF, 281 KByte
  • Slope slippage at the cutting for the northern portal of Winkhauser Tunnel, Brügge
    Dr. Spang GmbH PDF, 879 KByte
  • Velden railway station, nature conservation planning application
    Dr. Spang GmbH PDF, 164 KByte
  • Precipice stabilization, Hoher Stein, Dresden
    Dr. Spang GmbH PDF, 154 KByte
  • Slope slippage Kotthausen
    Dr. Spang GmbH PDF, 155 KByte
  • Stabilization of rock slope, Sechshelden
    Dr. Spang GmbH PDF, 127 KByte
  • Stabilization of rock slope, Illingen
    Dr. Spang GmbH PDF, 193 KByte
  • Stabilization of rock slope at Flieden
    Dr. Spang GmbH PDF, 153 KByte
  • Rock stabilization, Krommenthal
    Dr. Spang GmbH PDF, 172 KByte
  • Rock stabilization Mattinger Hänge, sections 1 to 21
    Dr. Spang GmbH PDF, 155 KByte
  • Stabilization of rock slope, Batzhausen
    Dr. Spang GmbH PDF, 211 KByte
  • Continuation of the flood protection concept for dike C5 and measures on the Zschopau in Krumbach
    Dr. Spang GmbH PDF, 170 KByte