• headergrafik
    We guarantee
    safe connectivity
    Road and civil engineering

Flood protection measures Schwieberdingen

Customer: Municipality Schwieberdingen
Construction period: 14 months Year of construction: 2020–2021
In the recent past the town centre of Schwieberdingen was flooded several times during rainfall events in the area Stuttgarter Straße / town hall, the latest occurrence was on 04/07/2010 with heavy flood damage. The risk of flood in the town centre of the municipality Schwieberdingen is thus considered very high.


The following construction measures were taken:

Closure of the existing storm-water overflow above the overflow channel at Glemsbrücke
Extension of the existing overflow channel by about 300 m in downstream direction
New construction of a tank overflow structure in bottom position into the river Glems
New construction of a gully trap between throttle surge chamber and tank overflow structure
New construction of a throttle surge chamber with MID DN 300
The overflow channel is extended by means of prefabricated framework profiles made of reinforced concrete measuring 4,00/2,10 m.
The retention capacity of the storm-water retention basin Brühl amounts to approx. V= 3.142 m³ incl. gully trap. The gully trap has got a volume of approx. 136 m³.


Excavation: 13,800 m³
Rectangular channel: 310 m (124 prefabricated parts 4.50 m x 2.50 m x 2.50 m with 26 t each)
Throttle surge chamber, gully trap and tank overflow structure as prefabricated parts (heaviest individual part 66 t)
Soil nailing with sprayed concrete: 700 m²

Flood protection at a water body class 1, Tauberbischofsheim

The largest flood protection measure ever in the area of the Regional Commission Stuttgart

Customer: Regional Commission Stuttgart
Construction period: 17 months Year of construction: 2018–2019
10,000 m³ dyke construction
800 m² steel piling wall works
510 m² stone wall made of stone blocks
270 m² angular retaining wall
100 m² mobile flood protection systems
600 m reconstruction / new construction of drainage channels

Reconstruction Braunsbach after flood disaster – water engineering

Mountains of debris, tree trunks and mud

Customer:Municipality Braunsbach
Construction period: 12 months Year of construction: 2017–2018
On 29/05/2016 there was an extreme rainfall in Braunsbach resulting in an enormous flood disaster. Small rivulets and v-shaped valleys rapidly turned into torrential mountain streams. The centre of Braunsbach was destroyed by debris avalanches and landslides. After the cleanup efforts and reconstruction of a temporary infrastructure the reconstruction started. The contract includes protection of the rivulet Orlacher Bach, as well as the reconstruction of the support walls including 2 bridge structures.

Dismantling and demolition

3,600 m³ loosening of soil (exit-and-entry structure)
4,200 m³ loosening of soil (support wall)
340 m³ support walls
280 m³ bottom slab / foundations

Installation

1,300 m³ reinforced concrete walls + bottom slabs
1,550 m² support wall with structural formwork
240 m² support wall with fair faced brickwork
2,600 m³ installation of soil
1,900 m block stone wall of natural stone
2,900 m² protection of bottom
1,600 m² pipes for water drainage DN 300
1,800 m overlapping reinforced bored pile wall
500 m overlapping non-reinforced bored pile wall

L 1036 HW 16 flood damage close to Orlach

Reconstruction after flood disaster

Customer: Regierungspräsidium Stuttgart und Gemeinde Braunsbach
Construction period: 11 months Year of construction: 2017–2018
On 29/05/2016 there was an extreme rainfall in Braunsbach resulting in an enormous flood disaster. This also caused a landslide in the area of the country road L 1036 in the neighbouring village Orlach. The contract includes the stabilisation of the slope, as well as the reconstruction of a section of the road L 1036.

Dismantling and demolition

4,500 m³ loosening of soil
1,500 m² demolition or milling of asphalt
250 m dismantling of road kerb

Installation

3,000 m³ installation of soil
2,500 t block stones
1,000 m³ concrete bottom stones
10,000 t reinforced soil ballast
600 pcs. reinforced soil cages
12,000 pcs. reinforced soil rings
600 t asphalt
70 m reinforced concrete pipes DN 1600
250 m installation of road kerb

Flood protection dam along the river Altneckar in Esslingen-Zell

Increase of the height of the existing dam

Customer: City of Esslingen
Construction period: 9 months Year of construction: 2016
Earthworks and civil engineering works
Supply and laying of pipes for drainage works
Road construction works incl. installations
Landscaping works
Quality assurance in earthworks
3,600 m³ removal of topsoil
13,000 m³ installation of soil
1,500 m² waterbound cover layer
370 m seepage water drain pipe
220 m installation of support walls

Reshaping the Fils embankment, Süßen

Road construction along the riverbank on an old commercial space

Customer: The city of Süßen
Construction period: 3 months Year of construction: 2015
Clearing vegetation
500 m3 demolition of old 2.5 m high rectangular reinforced concrete channel
2,800 m3 excavation material
1,800 m3 replacement of excavation material
700 m2 construction of the substructure for Filsuferweg
1,100 m2 embankment profiling

Renaturing of Schozach, Ilsfeld

Customer: Ilsfeld Municipality
Construction period: 11 months Year of construction: 2013–2014
Renaturing of Schozach at a length of 370 m. The old sewer had to be demolished ahead of time and rebuilt. During this process, the existing green area was upgraded to a recreational area with fields, artificial waterway, Kneipp water-treading basin, boules grounds and playing field. Support of the natural flow with fascines (bank reinforcements), interference trees (trees fixed in the ground and roots for the vitalization of the water flow) as well as stone filling.
Earth moving: 7,000 m3
New construction of DN 1100 sewers 370 m
New footpaths: 550 m
New construction of steel bridges with abutments: 4 units