Fuchsstein wastewater system
Developer
Amberg municipal civil engineering department
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 PDF, 245 KByte
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Project
- Construction of new sewerage, rainwater dirty water system DN 250 to DN 1.000
- Construction of a wastewater system for the Fuchsstein area
- Connection to the town sewerage system in the Speckmannshof area approx. 1 km east of Fuchsstein
- Connection of a total of 58 buildings
Our services
- Small percussion borings and dynamic probings • Soil mechanical laboratory tests
- Core borings through the asphalt of the existing roads
- Chemical analyses
- Subsoil analysis and foundation works consultancy
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Renewal of waste and rainwater sewers, Am Spaltwerk
Developer
City of Düsseldorf, municipal drainage department
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PDF, 361 KByte
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Project
- Construction of new draft engine and high-pressure pipeline
- As part of the redevelopment of the sewerage system a DN 300 rainwater connection with a length of 42.71 m with 2 reaches and installation depths of between approx. 1.5 and 2 m is being laid
- Construction of a new DN 500 sewer in the existing trench, likewise with 2 reaches, and installation depths of between approx. 3 and 4.5 m and a length of 56.37 m
- Instead of an existing culvert under the Düssel, a DN 200 high-pressure pipeline will be laid on the existing arched bridge over the river
- The new pipe has a length of approx. 44 m and is to be laid with a cover of 1 m
Our services
- Subsoil investigation
- Field and laboratory analyses
- Foundation works consultancy
- Expert report on existing contamination and disposal concept
- Opinions and expert report on the planning of the drainage facilities
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Sewer connection for Heidelberger Straße, Düssel basin facility, left and right bank
Developer
City of Düsseldorf, municipal drainage department
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PDF, 319 KByte
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Project
- Construction of an RRB draining into the Düssel
- As part of the restructuring of the sewerage system a proposed rainwater retention basin is to be connected by DN 1200 pipe to the DN 1,000 sewer in Heidelberger Straße with a length of 41.65 m
- Pipe bottom approx. 3.70 m below ground level
- The RRB has dimensions of approx. 17.5 m x 15.5 m
- Sewers connected by means of driving
- The concrete structure integrates into the subsoil at approx. 8.5 m of depth
Our services
- Subsoil investigation
- Foundation works consultancy
- Expert report on existing contamination and disposal concept
- Geotechnical expert report for the drainage facilities
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Wittener Bruch
Developer
Town of Witten, drainage department
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PDF, 878 KByte
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Project
- Renewal of approx. 320 m sewer, DN 300/400
- • Renewal of approx. 100 m sewer, DN 1800
- Installation depth between approx. 2.5 and 5 m
- Partial installation in the culvert of the earth bank of Dortmunder Straße
Our services
- Inspection of mine plans and elevations
- Subsoil and environmental analyses with geotechnical expert report
- Static calculations
- Test statics
- Invitation to tender for underpinning works and supervision of HDI construction works
- Examination of building risks
- Supplementary chemical analyses
- Supervision of HDI underpinning works
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Construction of a new foul water sewer at the Dünnebecke
Developer
Town of Witten, drainage department
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PDF, 97 KByte
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Project
- Laying of a new foul water sewer in the area of the Dünnebecke south of the BAB A 40 in Dortmund
- Diameter DN 400
- Varying depths between approx. 1.5 m and > 7 m
- 4 reaches
- Total length approx. 340 m
- Sewer laid in micro-tunnel method
Our services
- Subsoil investigation and foundation works consultancy
- Evaluation of excavated soil for contamination
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Ecological improvement of the Roßbach in Dortmund, 2nd design section
Developer
Emschergenossenschaft, Essen
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PDF, 262 KByte
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Project
- As part of the improvement works, the existing watercourses rectified with ground slabs are being widened to meander
- The ground slab and bedding material will be largely taken up and excavated
- Bridge structure for Martener Straße
- Outlet structure and underground barrier of the Schmechtingsbach high-water basin
Our services
- Subsoil investigation and foundation works consultancy
- Evidence of bearing capacity and fitness for purpose pursuant to DIN 19 700-12 (high-water basins)
- Analysis of existing contamination during construction
- Subsoil and foundation works consultancy during construction
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Ecological improvement of the Roßbach in Dortmund, 1st design section
Developer
Emschergenossenschaft, Essen
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PDF, 155 KByte
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Project
- As part of the improvement works, the existing watercourses rectified with ground slabs are being widened to meander
- The ground slab and bedding material will be largely taken up and excavated
- Engineering intervention for the construction of new bridge structures, high-water basins and water passages
Our services
- Subsoil investigation and foundation works consultancy
- Evaluation of the contamination of the excavated soil, ground slabs and bedding material
- Subsoil and foundation works consultancy during construction
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Sewer with storage capacity, Hachhausen
Developer
Lippeverband, Essen
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PDF, 127 KByte
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Project
- New sewer of Qmax and 2Qt collectors in Datteln
- New sewers DN 1000 to DN 2500 laid in cut-and-cover and enclosed (pipe driving with suspension support) method
- Section lengths: cut-and-cover approx. 0.7 km, depth 3 m to 8 m, driving: approx. 0.6 km inc. 5 press/target pits
- Construction of a new storage sewer DN 2500 within a sheet pile box construction
Our services
- Subsoil and foundation works consultancy during construction
- Soil management during construction
- Technical review of special proposals
- Assistance in award of contract
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Expansion of the central sewage treatment plant, Freiberg
Developer
City of Freiberg, waste water disposal services
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PDF, 88 KByte
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Project
- Subproject to clear a site in order to create a rainwater retaining basin in the Münzbach valley
Our services
- Research of historical documents regarding previous construction
- Investigations of existing building fabric / materials for pollutants
- Preparation of a demolition and disposal concept with determination of the quantities of building materials requiring separation
- Determination of the disposal routes for building fabric requiring particular monitoring (e.g. asbestos, PCBs, tar cork, etc.)
- Elaboration of the necessary documents for approvals and consents
- Cost estimate and calculation of construction times
- Preparation for award of contract
- Assistance in award of contract
- Construction supervision
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Replacement of drain for dirty water and rainwater
Developer
Düsseldorf City Council, Urban Drainage Dept.
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PDF, 453 KByte
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Project
- Replacing drain in the Recklinghauser Strasse in Düsseldorf-Rath
- Creating the new drains DN 250 to DN 600 using the existing route and at roughly the same depth
- Rainwater channel, approx. 588.2 m long, with 16 brackets and 17 shafts
- Dirty water channel, approx. 489.4 m long, with 13 brackets and 13 shafts
Our services
- Geotechnical report for the section
- Devising an investigation concept
- Soil and subsoil investigation
- Field tests and lab tests
- Investigations of previous pollution, report on previous pollution
- Assessment of subsoil and advice on foundations
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Developing concept to assess
status of rainwater retention
and percolation water basin
Developer
Landesbetrieb Bau Sachsen-Anhalt, Magdeburg
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PDF, 102 KByte
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Project
- Due to problems in the operational safety of rainwater and percolation water basins in Saxony-Anhalt, extensive servicing and maintenance works will be needed in future in order to extend the lifetime of the facilities.
Our services
- Technical engineering recording of the issues
- Devising recommendations for action
- Recording the status of facilities for drainage from roads
- Devising instructions for planning of rainwater and percolation water basins to conform to guidelines
- Reviewing authorisation: taking off rainwater from road areas
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Drain replacement, Fischertalweg / Hans-Böckler-Str, Witten
Developer
Witten Town Drains Dept.
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PDF, 160 KByte
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Project
- Replacement of DN 300 drain
- 215 m new drain construction
- Open-type laying, at depth of 2 m to 3.5 m
- Connection to the collector in Herbeder Strasse
- New construction of 4 shallow-foundation shaft constructions, preformed shafts, Ø = 1,200 mm
Our services
- Investigation of subsoil and assessment of subsoil pursuant to DIN 4022, DIN 4023 and DIN 18 196
- Report on pipe advance
- Gathering of evidence on the buildings located within the area of influence
- Stability investigations in order to check on possible effects on the buildings in advance
- support during construction
- Assessment of soil excavation
- Environmental engineering assessment
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Extensions to the shared sewage treatment works,
Mönchengladbach- Neuwerk
Developer
Niersverband, Viersen
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PDF, 393 KByte
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Project
- New construction of active sludge bed, foul towers, final sedimentation tank and thick slurry storage basin; total developed area approx. 2 ha; foundations up to 10 m deep
- Soil composition: The subsoil comprises bound and loose low terraced Rhine sediments, underlaid with tertiary fine sands and coarse clays
- Groundwater: Groundwater levels rise to the site surface level, permeabilities up to kf = 7 x 10-3 m/s; during the construction period ranging up to 1 km due to water raising
Our services
- Investigation of subsoil using drillings and drilling samples pursuant to DIN 4021 and heavy pile-driving samples pursuant to DIN 4094, establishing well borings DN 800
- Pumping capacity tests, evaluation, hydraulic calculations to establish obstructions, demonstration of effects on groundwater management. Hydraulic calculation of various foundation ditch options to minimise groundwater lowering with cost/benefit comparison
- Assessment of subsoil and advice on foundations, planning underpinning works, recommendations on ability to execute various foundation options, calculations to establish permanent measures and measures during the construction period to ensure lift
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Replacement drain, Aischbach
in Stuttgart-Möhringen
Developer
Stuttgart City Authorities, Underground Civil Engineering Dept.
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PDF, 140 KByte
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Project
- Replacing a mixed water drain DN 1600
- Total length 484 m in the inner city area
- Pipe advance with 3 pressed galleries and 2 target galleries
Our services
- Investigation of subsoil, assessment of subsoil and advice on foundations pursuant to HOAI, Part XII, § 92, Lph. 2 to 3
- Statements on suitable advance procedures and on establishing the pressed and target galleries
- Presentation of possible effects on neighbouring buildings
- Advice to client during construction regarding adapting the advance to the changing soil and groundwater conditions
- Examining the obstruction planning for compliance with conditions from the decision by the lower-tier water authorities in respect of water laws
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Extending the Waltrop sewage treatment works, 2nd phase construction
Developer
Lippeverband Essen
Download the project description
PDF, 142 KByte |
Project
- Extending or converting the Waltrop sewage treatment works
- New construction of 2 final sedimentation tanks to the north-west of the existing initial sedimentation tank
- As part of the construction measure, extensive construction water raising is required for the final sedimentation tanks
Our services
- Preparing a subsoil report
- Investigation concept pursuant to DIN 4020
- Solids investigation
- Advice on foundations during construction and support for drilling works
- Hydrogeological assessment and application in relation to water laws
- Devising and calibrating a groundwater model
- Groundwater flow model MODFLOW Materials transport model MT3D
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