Former Happurg / Doggerstollen tunnel system in the Houbirg
Developer
State Office for Construction, Nuremberg, civil engineering department
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 PDF, 874 KByte
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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
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Slope stabilization at Werdorf on the DB Aachen - Gießen line
Developer
DB Netz AG, Frankfurt
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PDF, 923 KByte
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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
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Rockfall and avalanche
stabilization by the A8
motorway, Drackensteiner Hang
Developer
Stuttgart Regional Administrative Authority
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PDF, 997 KByte
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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
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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
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PDF, 287 KByte
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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
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Construction of new gas supply pipe, Wedel
Developer
Vattenfall Europa AG
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PDF, 308 KByte
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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
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Rockfall risk in the vicinity of the turbine house at the Saidenbach reservoir
Developer
Saxony dam and reservoir authorities,
Freiberg basin/Zschopau facility, Lengefeld
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PDF, 320 KByte
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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
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Rock stabilization, Couragefels, Süßer Grund
Developer
Albstadt Municipal Authority, Albstadt-Tailfingen
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PDF, 281 KByte
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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
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Slope slippage at the cutting
for the northern portal of Winkhauser Tunnel, Brügge
Developer
DB Netz AG, Münster
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PDF, 879 KByte
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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
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Velden railway station, nature conservation planning application
Developer
DB Netz AG, Nuremberg
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PDF, 164 KByte
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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
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Precipice stabilization,
Hoher Stein, Dresden
Developer
DB Netz AG, Southeast Region, Leipzig
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PDF, 154 KByte
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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
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Slope slippage Kotthausen
Developer
DB Netz AG, Münster
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PDF, 155 KByte
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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
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Stabilization of rock slope, Sechshelden
Developer
DB Netz AG
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PDF, 127 KByte
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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
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Stabilization of rock slope,
Illingen
Developer
DB Netz AG, Karlsruhe
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PDF, 193 KByte
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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
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Stabilization of rock slope at Flieden
Developer
DB Netz AG
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PDF, 153 KByte
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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
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Rock stabilization, Krommenthal
Developer
DB Netz AG, Nuremberg
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PDF, 172 KByte
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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
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Rock stabilization Mattinger
Hänge, sections 1 to 21
Developer
Deutsche Bahn AG/ DB Projektbau GmbH
Download the project description
PDF, 155 KByte
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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
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Stabilization of rock slope, Batzhausen
Developer
Deutsche Bahn AG
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PDF, 149 KByte
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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
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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
Download the project description
PDF, 170 KByte
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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
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