Successful pilot project for PPA model on the A71

When the A71 opened for traffic between the Artern and Heldungen junctions, a special major project could be successfully completed.

The construction project was a pilot project for a PPA model. This placed the focus on processing the project in partnership (PPA) between the client and the contractor. The objective was, on the one hand, to reduce the formalities during the construction phase and, on the other hand, to make positive use of synergies generated between the client and the contractor.

Josef Rädlinger Bauunternehmen executed the major order of DEGES in cooperation with Max Bögl GmbH & Co. KG and HTI Greussen GmbH, and managed the project from a technical perspective. The construction project with a length of approx. eight kilometres began in September 2009. It includes the construction of a concrete road surface for two lanes and for the hard shoulders in both directions. The project also includes the construction of eleven bridge structures and two car parks with WC facilities.

The bridge construction was undertaken by HTI Greussen GmbH, together with sub-contractors. All the other work was undertaken by the joint venture of the construction companies Josef Rädlinger and Max Bögl, which performed the following services in the construction period:

  • 133,000 m³ topsoil stripped, stored and re-laid
  • 1,400,000 m³ earth moved
  • 370,000 m³ soil replaced
  • 550,000 m³ soil improved
  • 9,500 m piggyback drainage pipe
  • 2,600 m filter drains
  • 2 storm water retention reservoirs
  • 173,500 m² superstructure in traffic areas of Construction Class SV
  • 17,500 m² superstructure in traffic areas of Construction Class II-IV
  • 14,300 m² farm roads laid
  • 15,000 m veterinary fencing
  • 1,100 m noise protection wall
  • 2 PWC systems constructed

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