The Helix Turmfischpass (also Helix Turmfischpass) is the only spiral stair for fish of the world. It is located in the municipality Raisdorf close Kiel.

Developed by the professional school Bochum, is it fish, where conventional fish stairs are structurally hardly possible, makes possible, to overcome despite an existing dam the difference in height from (in Raisdorf) 6,5m, resulted from it, to.

In accordance with the European Union water framework guideline all European concrete dams must be equipped with suitable to 2015.

Criticism at the modelful conversion to Raisdorf practiced beside the federation of the taxpayers also the national nature protection federation Schleswig-Holstein.

Related links

• innovation report.de, article over the Helix Turmfischpass with pictures
• FH Bochum, info. sheet to the tower fish passport (pdf, approx. 100 KB)
• wdr.de, a stairway for fish with photo gallery
• Research and transfer in the parliament: The "fish stairs" at dams: the Helix Turmfischpass

Articles in category "Helix Turmfischpass"

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