Hydraulic Engineering and Hydraulic Steel Structures

In steel hydraulic engineering, the team plans, manufactures, assembles and maintains traffic water structures such as ship lifts, locks, contactors, drives and other structures with a focus on flood protection.

Flood Protection

The Gnevsdorf weir plays a crucial role in the flood protection along the Havel. The steel hydraulic engineering specialists at SCHORISCH were entrusted with the complete disassembly and assembly work as well as the repair, including corrosion protection. One of the largest mobile cranes (41 tons at the 56-meter boom) of Germany was used for this. The crane truck had to lift 41 tons each at its jib so that the two basic gates of the Gnevsdorf weir could be removed up to 56 metres from its location and loaded onto a heavy transporter.

The four parts of the machine plant including the electric motors and the gearwheels, each measuring a metre in diameter, were also overhauled in Karstädt.

Wehrverschluss

Project for the Repair of the Weir Closure M of the Kitzingen Barrage

The Kitzingen barrage is an accumulation of numerous barrages, which play an essential role in regulating the water level upstream and downstream of the river Main.

The repair of the weir closure M was carried out by a team of experienced steel builders from Karstädt, Brandenburg.

In addition to the repair of the steel structure, corrosion protection and the repair and maintenance of the drives were among the key services.

Project for the Repair of the Weir Closure M of the Kitzingen Barrage

The Kitzingen barrage is an accumulation of numerous barrages, which play an essential role in regulating the water level upstream and downstream of the river Main.

The repair of the weir closure M was carried out by a team of experienced steel builders from Karstädt, Brandenburg.

In addition to the repair of the steel structure, corrosion protection and the repair and maintenance of the drives were among the key services.

Wehrverschluss

Project Scharnebeck Ship Lift

At the time of its construction the world’s largest double vertical ship lift Lüneburg Scharnebeck was built in 1974 and offers technical spectacle that’s worth seeing.

The ship lift offers modern cargo ships the opportunity to overcome a height of 38 meters. The lift’s design took decades. In order to create a connection between Elbe (Artlenburg) and Mittellandkanal (Wolfsburg), engineers built the Elbe side canal over eight years of construction.

Over the entire distance of the Elbe side channel a height difference of 61 meters is overcome.

Of these, the Uelzen lock bridges 23 meters and the remaining 38 metres is bridged by the Scharnebeck ship lift.

SCHORISCH was commissioned in 2018 with the following services:

  • A variety of work on steel construction and steel water assemblies,
  • General mechanical engineering work as well
  • As electrotechnical work.
Nadellehne_Sperrwerk-Husum

Flood Barrier Gates / Barrages in Husum and Büsum

The Husum tidal port is protected by a barrier with a passage width of 21.50 m.

If a locke needs to be drained for repairs, for instance, then a bulkhead is built as an emergency closure in front of it or behind it. This consists of so-called pipe needles. With a diameter of 30 centimeters, the pipe needles can defy the growing water levels.

The Landesbetrieb für Küstenschutz, Nationalpark und Meeresschutz Schleswig-Holstein commissioned SCHORISCH Magis to replace the previous emergency closure for the barrage. It was already 40 years old.

72 needles were sunk vertically into the guide rail provided for this purpose. A tarpaulin was used for additional sealing. The emergency closure is the final element. It is also known as the “needle bar barrier”.
The needle bar carrier holds the pipe needles horizontally like a steel clamp, preventing the water from getting through.

  • Dimensions of the needle bar: L = 24 m, W = 2.2 m, H = 1.6 m
  • Total weight: 30 t

Flood Barrier Gates / Barrages in Husum and Büsum

The Husum tidal port is protected by a barrier with a passage width of 21.50 m.

If a locke needs to be drained for repairs, for instance, then a bulkhead is built as an emergency closure in front of it or behind it. This consists of so-called pipe needles. With a diameter of 30 centimeters, the pipe needles can defy the growing water levels.

The Landesbetrieb für Küstenschutz, Nationalpark und Meeresschutz Schleswig-Holstein commissioned SCHORISCH Magis to replace the previous emergency closure for the barrage. It was already 40 years old.

72 needles were sunk vertically into the guide rail provided for this purpose. A tarpaulin was used for additional sealing. The emergency closure is the final element. It is also known as the “needle bar barrier”.
The needle bar carrier holds the pipe needles horizontally like a steel clamp, preventing the water from getting through.

  • Dimensions of the needle bar: L = 24 m, W = 2.2 m, H = 1.6 m
  • Total weight: 30 t
Nadellehne_Sperrwerk-Husum

Aland Viaduct 2015

Floods from the Elbe will in future be diverted Am Aland, and SCHORISCH is building a special weir system

SCHORISCH is manufacturing the closures of the weir system including drive technology, the emergency closures and the screen system for the new flood protection system at Aulosen. In addition, the Karstädter company is supplying the complete EMSR technology.

SCHORISCH Magis has already equipped the Bömenzien weir system for protection against Elbe flooding in the Altmark with the closures, the drive and the installation part for the concrete on behalf of Universal-Bau.

It’s a whim of nature that the communities along the Alands always experience when the Elbe is flooded. For the most part, the masses of water no longer flow towards the North Sea, but into their tributary there and flood the hinterland of the Altmark. Protection will be provided by a viaduct structure for which SCHORISCH Magis’ steelmakers is supplying the technical equipment.

The new flood protection system is being built for 4.8 million euros at Aulosen, a district of the municipality of Aland in the district of Stendal. Located on the left bank of the Alanddeich, the 25-meter-wide and 7.5-meter-high weir will be part of an overall concept. It will ensure that a catchment area of almost 2000 square kilometres will be spared from the floods in the future. The flood protection system near Aulosen will go into operation at the end of 2017. The client is the State Office for Flood Protection and Water Management Saxony-Anhalt (LHW). The general contractor of the universal construction in Perleberg.

Überleitungsbauwerk
Fischaufstiegstreppe

Fish Ladder Stairs

Masterpiece of 100 tons of steel

So far, the weir in Bergedorf was considered an insurmountable obstacle for fish. But with the construction of the staircase, trout, flounders, eels and their fellow Serrahn species can once again do what they were denied for centuries: Swim upstream on the Bille. And the historic centre of the Hamburg district has thus been enriched by an attractive structure.

The transport of the 100-ton steel construction from Brandenburg to the south-easternmost tip of the Free Hanseatic City represented a logistical challenge. The ten components were loaded at SCHORISCH Magis GmbH in Karstädt, one at a time on 40-tonne trucks and transported to the port of Bergedorf, where they were hoisted on pontoons and pushed to the weir using a special crane. They were lowered directly next to the more than 800-year-old dam in the Bille and joined together to form a fish ladder.

On the surface, just 20 centimetres of the 1.10-metre-high steel structure are visible at the end. Cross members give the structure additional stability, so it can withstand the water pressure, as well as the pressure of ice in winter. The fact that a steel fish ladder would correspond more to the character of Alt-Bergdorf with its half-timbered houses than to the dull, grey concrete was quickly agreed upon by planners and preservationists when they decided to use this material for design reasons. So the Bergedorf district office commissioned Hermann Koth Ingenieurbau GmbH & Co. KG in Schieren with the construction.

Fish Ladder Stairs

Masterpiece of 100 tons of steel

So far, the weir in Bergedorf was considered an insurmountable obstacle for fish. But with the construction of the staircase, trout, flounders, eels and their fellow Serrahn species can once again do what they were denied for centuries: Swim upstream on the Bille. And the historic centre of the Hamburg district has thus been enriched by an attractive structure.

The transport of the 100-ton steel construction from Brandenburg to the south-easternmost tip of the Free Hanseatic City represented a logistical challenge. The ten components were loaded at SCHORISCH Magis GmbH in Karstädt, one at a time on 40-tonne trucks and transported to the port of Bergedorf, where they were hoisted on pontoons and pushed to the weir using a special crane. They were lowered directly next to the more than 800-year-old dam in the Bille and joined together to form a fish ladder.

On the surface, just 20 centimetres of the 1.10-metre-high steel structure are visible at the end. Cross members give the structure additional stability, so it can withstand the water pressure, as well as the pressure of ice in winter. The fact that a steel fish ladder would correspond more to the character of Alt-Bergdorf with its half-timbered houses than to the dull, grey concrete was quickly agreed upon by planners and preservationists when they decided to use this material for design reasons. So the Bergedorf district office commissioned Hermann Koth Ingenieurbau GmbH & Co. KG in Schieren with the construction.

Fischaufstiegstreppe

Pump Storage

Highest precision steel

Heavy dam beams for pumped storage plant Vianden / SCHORISCH Magis completes major order in ten weeks.

The Vianden pumped storage plant in the Grand Duchy of Luxembourg is one of the most powerful in Europe. To generate electricity, the dammed-up water from the Our River shoots through eleven turbines. Steelworkers at SCHORISCH in Karstädt have produced eight 6m high dam beams with the utmost precision. They are used to withstand the enormous water pressure during maintenance work.

For over 50 years Vianden pumped storage has been an indispensable part of a reliable electricity supply in Europe. Above all, the state of Rhineland-Palatinate benefits from the storage of huge amounts of water. The upper and lower reservoirs have a total storage volume of more than 18 million cubic meters with a fall height of up to 280 meters. Pumped storage power plants of this dimension are becoming increasingly important in order to ensure a secure power supply in the future, given the expansion of regenerative energies.

Pumpenspeicher-1