Substitute & compensation measures

Responsibility for man and nature

It is not rare for construction projects to result in intrusion on nature and the environment. In that case, the parties responsible for the project are obliged to keep this intrusion to a minimum or to compensate for it elsewhere. These measures are set forth in a complementary landscape conservation plan (CLCP). The CLCP is an integral part of the planning documents required to obtain planning permission for construction projects. The CLCP becomes legally binding when the planning permission decision is issued.

The ecological aspects of landscape conservation have to be considered right from the start of all construction projects. Even in the initial formal town and country planning and project approval procedures, potential construction variants are discussed not only in terms of construction engineering and costs, but also from the viewpoint of their environmental impact.
 

Characteristic elements of the complementary landscape conservation plan are:

  • Measures to minimise intrusion on nature and the environment, for example by selecting the variant which has least impact on the landscape, or which envisages provisions for animals to cross traffic routes.
  • Protective measures for flora and fauna, such as the erection of protective fences or planting schemes.
  • Compensation for developed areas, for example which provide an equivalent replacement for natural habitats, or the full rehabilitation of areas vacated as a result of the construction project.
  • Substitute areas if it is not possible to execute compensation measures in the immediate vicinity of the construction project.

More than half of the construction work required to restructure the Stuttgart rail node – and almost all of the work in Stuttgart city centre – will be executed in tunnels. 33 of the total 57 line kilometres of the Stuttgart 21 project will run underground. Tunnel construction involves relatively low intrusion on nature above ground, as most of the construction work is done underground, keeping the use of surface areas to a minimum.
Nevertheless, temporary environmental impact and isolated cases of intervention in existing eco-systems cannot be completely avoided even when constructing a tunnel, e.g. around the tunnel portals. In the interests of protecting man, fauna, nature and cultural assets, comprehensive environmental impact assessments were therefore conducted in the run-up to the planning procedure and a binding complementary landscape conservation plan drawn up. As a result, construction site areas will be kept as small as possible while fixed perimeter fencing around the sites will protect vegetation and animals.
 

Demolition of the above-ground tracks means that new areas can be added to Schlossgarten park, which will gain roughly one fifth of the vacated 100 hectares.

During the construction work for the new Hauptbahnhof, intrusion in the central area of Schlossgarten park, along an approx. 100-metre wide strip between the present railway station  and the Landespavillon will be unavoidable, but everything possible will be done to keep the affected areas to the absolute minimum.
On completion of the construction work, a compensation and substitute measure plan will be implemented which creates new green spaces and is aimed at expanding the green corridor through the various sections of Schlossgarten park to Rosenstein Park.

However, Schlossgarten park will also benefit in the immediate vicinity of the station. The area above the platforms will be planted and landscaped, the present Cannstatter Strasse and the central bus station will be vacated and integrated in the park.
 


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Noise protection

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