In-depth examination of 5 reservoirs along the Agger
Developer
Aggerkette GmbH & Co. KG
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 PDF, 136 KByte
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Project
- Renovation and rectification of acute damage
- Ehreshoven I - storage capacity approx. 280,000 m³
- Ehreshoven II - storage capacity approx. 324,000 m³
- Wiehlmünden - storage capacity approx. 147,000 m³
- Ohl-Grünscheid - storage capacity approx. 320,000 m³
- Haus-Ley - storage capacity approx. 150,000 m³
Our services
- Geotechnical analyses and stability evidence for the reservoir dams on a grid of approx. 200 m
- Renovation planning for performance of remedial measures pursuant to DIN 19700
- In-depth review
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Feasibility study on renovation
of the dams of Gehobene Hase
Developer
Lower Saxony Regional Authority for Water Management, Coastal and Nature Conservation, Cloppenburg office
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PDF, 152 KByte
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Project
- Review of the stability of the side banks in the area of Gehobene Hase, Quakenbrück
- Gehobene Hase is dammed for around 6 km
- Some of the side dams are very steep
- Analysis of 18 dike profiles
Our services
- Geotechnical consultancy pursuant to DIN 4020 as a basis for preliminary renovation planning of the banks and dikes
- Investigation concept
- Field and laboratory tests
- Expert assessment of the subsoil situation
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Orsoy-Land polder, construction and reconstruction of the dike
Developer
Deichverband Orsoy, Rheinberg
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PDF, 170 KByte
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Project
- Construction of a new approx. 7.0 km long dike
- Reconstruction of a 1.3 km long existing dike
- The Orsoy-Land polder lies between Rheinstrom km 804 and 806, left bank
- Retention volume area approx. 850 ha
- Construction of an intake sill on the northern route
Our services
- Planning of an investigation concept
- Invitation to tender and award of contract for investigation works
- Geotechnical support and monitoring
- Subsoil analyses
- Laboratory work
- Management of geotechnical evidence for the planned dike and special intake/outlet structures
- Subsoil expert report with foundation recommendation
- Specialist advice in the planning phase
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Conversion of weir facility, Schützenhofwehr
Developer
Lower Saxony Regional Authority for Water Management, Coastal and Nature Conservation, Cloppenburg office
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PDF, 143 KByte
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Project
- Conversion of the Hase weir at Quakenbrück
- Extensive bank and terrain modifications as part of the reconfiguration
- Dismantling of the weir facility and construction of a new bed pitch with meandering dryweather runoff in the upper section of the overffall Hase
- Regulation of the dry and high-water runoff in the outfall area of the raised Hase through an arched bulkhead
- Filling of the existing erosional cavity area below the weir
Our services
- Subsoil analyses
- Subsoil evaluation and foundation works consultancy
- Hydraulic evidence
- Establishment of groundwater measuring points on the left and right of the existing weir and the planned eastern bank line
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High-water protection line in Coswig
Developer
Town of Coswig über Obermeyer, Dresden
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PDF, 141 KByte
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Project
- Establishment of a sealed landfill in Coswig, Brockwitz township, with a parallel footpath and dike defence path
- Preparation of quick-dam elements and big packs
Our services
- Subsoil evaluation
- Foundation works consultancy pursuant to HOAI § 92
- Laboratory services
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RheinPark Duisburg
Developer
EG DU, Entwicklungsgesellschaft Duisburg mbH
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PDF,185 KByte
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Project
- Change of use of an industrial area into a leisure park
- Area approx. 70 ha
- Demolition of buildings, dismantling of tracks
- Remodelling of the terrain through the construction of new bank surfacing (sheet piling) and supporting walls (angled supporting walls, partially with deep foundations)
- Creation of paths and squares
Our services
- Inspection for unexploded ordnance
- Subsoil investigation with corings and soundings
- Soil mechanical laboratory analyses
- Subsoil evaluation and foundation works consultancy pursuant to HOAI § 92, stages 1 - 3
- Structural engineering planning pursuant to HOAI § 64, stages 1 to 6 for bank installations and supporting walls
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Gholis-Zschepa stability
Developer
LTV, Betrieb Oberes Elbtal über Obermeyer, Dresden
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PDF, 109 KByte
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Project
- Planning services for redesign of Elbe levee section, right
- Levee section 14-1, Gholis-Zschepa, Elb-km 112.62 to 113.63
Our services
- Stability calculations pursuant to MSD
- Stability and load-bearing capacity pursuant to DIN 19700
- Investigation of subsoil and advice on foundations
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Maintenance measures to
drainage facilities for
LBB Saxony-Anhalt
Developer
Landesbetrieb Bau Sachsen-Anhalt, Magdeburg
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PDF, 95 KByte
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Project
- Rectifying acute defects in the functionality of rainwater retention and percolation water basins, particularly facilities alongside Federal motorways
- Assessment of degree of risk from damage
Our services
- Defining principles, § 55 HOAI
- Investigations of subsoil
- Local visits to agree preferred solution
- Planning basin renovation to status of execution planning § 55 HOAI
- Preparation for award of contract § 55 HOAI
- Local site monitoring § 57 HOAI
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Rönkhausen pumped storage
power station, Glingetalsperre injection-cast shaft
Developer
Mark-E, Stadtwerke, Hagen
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PDF, 103 KByte
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Project
- The injection-cast shaft was sunk in 1967
- It is approx. 120 m long and has a cross-section of approx. 5 m²
- The hillside above is heavily fissured and is damaged in some sections.
- Sectional development using steel arches and shotcrete
Our services
- Assessing stability
- Statics calculations in a 2-stage processing procedure (2D-FEM calculation)
- Proof of stability and operational safety
- Final report with recommendations for possible renovation which may be necessary, as part of preliminary planning with study of options and cost estimate
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Relaying the natural gas pipeline Rheine-Lünen-Bergisch Gladbach
Developer
E.ON Ruhrgas AG
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PDF, 199 KByte
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Project
- Redevelopment of the Dortmund-Ems Canal (DEC) by the WSA
- Relaying of the existing natural gas pipeline DN 800
- Renewal of culverts under the DEC at Münster (Amelsbüren), advance using HDD
Our services
- Investigation of subsoil, investigation depth 20 m, 4 large-scale drillings
- Soil and rock mechanical lab tests (particle distribution, Atterberg limits, single-axial compression strength, swell tests)
- Assessment of subsoil
- Geotechnical report
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Securing of embankment and floodwater protection on A 14 embankment in Falkenau
Developer
Landestalsperrenverwaltung des Freistaates Sachsen, Betrieb Freiberger Mulde/Zschopau
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PDF, 121 KByte
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Project
- Renovation measures to the embankment facility pursuant to the embankment status analysis for the A14 embankment on the Flöha
- Replacement new construction
Our services
- Planning services pursuant to HOAI § 55 (1), Lph 1 and 2
- Surveying planned design pursuant to § 97 HOAI
- Soil investigation pursuant to § 92 HOAI
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Renovation of 2 culverts on the
Rhine around Cologne and Dormagen
Developer
E.ON Ruhrgas AG, Essen
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PDF, 124 KByte
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Project
- Significant changes to the bank slopes
- Hydraulic engineering examination of damage to two gas pipeline culverts on the Rhine (lack of minimum top coverage, evidence of erosion)
- Planning of safety measures and agreement with the WSA
Our services
- Hydraulic engineering investigation
- Planning the necessary renovation measures
- Defining principles
- Preliminary planning pursuant to HOAI, § 55, Lph 1 and Lph 2
- Proposed solutions to make the culverts safe
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Examination of the Polder Lüsche
dam plant
Developer
Nds. Landesbetrieb für Wasserwirtschaft, Küsten- und Naturschutz (NLWKN), Cloppenburg office
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PDF, 90 KByte
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Project
- Geotechnical subsoil investigation
- Stability analysis of the embankments, taking account of percolation lines and different dimensioned water levels (load capacity, slippage on side slope, resistance to sideways movement)
- Determining the need for renovation
- Proposal for renovation for resumption of use of the floodwater retaining basin
- Dam height 6.4 m, dammed volume 0.9 million m³
Our services
- Defining principles with surveying of embankment
- Geotechnical investigations (samples extracted by driving and drilling, taking soil samples)
- Lab tests
- Geotechnical report with drawings and indication of calculation key ratios
- Percolation lines calculation
- Stability and load-bearing capacity pursuant to DIN 19700
- Embankment log
- Feasibility study for renovation and replacement
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Status analysis for Neugraben embankment
Developer
Landestalsperrenverwaltung des Freistaates Sachsen, Bautzen
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PDF, 110 KByte |
Project
- Geophysical and geotechnical investigation of a 6.94 km section of an embankment, to be examined in 6 sections
- Stability analysis of the embankments, taking account of percolation lines and different dimensioned water levels (load capacity, slippage on side slope, resistance to sideways movement)
- Determining the need for renovation
Our services
- Defining principles
- Field investigations
- Surveying the embankment
- Geophysical investigations (geoelectrics)
- Geotechnical investigations (samples extracted by light driving, drilling samples, taking soil samples)
- Geotechnical report with drawings and indication of calculation key ratios
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Continuation of the floodwater protection concept for Embankment C5 and measures on the Zschopau
in Krumbach
Developer
Landestalsperrenverwaltung des Freistaates Sachsen, Betrieb Freiberger Mulde/Zschopau
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PDF, 195 KByte |
Project
- Renovation of embankment and flood protection measures
- Length approx. 650 m
Our services
- Planning services pursuant to HOAI § 55 (1), Lph 1 and 2
- Surveying planned design pursuant to § 97 HOAI
- Soil investigation pursuant to § 92 HOAI
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Magdeburg low water lock
Developer
Ed. Züblin AG, Chemnitz
Download the project description
PDF, 51 KByte |
Project
- The Magdeburg low water lock is being instated as part of the "German Unity" transport project
- The remotely-controlled lock is situated in the southern section of the Rothensee linking canal to the Elbe
- Length: 190.00 m, width: 25.00 m, max. drop: 1.86 m
- Operates only when the water level on the Elbe is low; when the Elbe is high the lock is open to allow boats through
Our services
- Forecast calculations of construction water raising
- Predimensioning and optimisation
- Geostatic recalculation of the planned solution with the partial safety concept for permanent sheet piling and for foundation ditches and constructions
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Floodwater protection in
Dresden
City – Construction Lot 2
Developer
Landeshauptstadt Dresden
Download the project description
PDF, 149 KByte |
Project
- Protecting Dresden Old Town, Wilsdruffer Vorstadt and Friedrichstadt districts against flood events with a 100-year probability of recurrence using a mobile system
- Erecting a mobile flood defence system
- Creating a vertical underground seal using sleeve pipe injections or a subterraneous curtain
Our services
- Monitoring checks on the sealing wall
- Investigation and documentation of seal quality, water content and permeability of the suspension introduced, using an independent and authorised laboratory
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