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Funds earmarked for development of motorway D8
Report ID: 34

In 2005 and 2006, the two supreme audit institutions of the Federal Republic of Germany and the Czech Republic, the Bundesrechnungshof (BRH) and the Nejvyšší kontrolní úřad (NKÚ) conducted parallel audits of expenditure on the construction of the motorway Prague – Dresden (D 8 motorway in the Czech Republic and the A 17 motorway in the Federal Republic of Germany). The motorways are connected by a border bridge co-financed by the two countries. By working together with the NKÚ, the BRH was able to audit in depth the efficiency of the funds used for building the border bridge. As a result of working closely with the BRH the NKÚ was furnished for comparative purposes with the necessary data of German cost levels of bridges and tunnels.

As part of the joint audit effort motorway bridges on the D 8 and A 17 were compared based on the prices per square meter of area of the bridge structure. The statistical analysis of prices made it possible to identify bridges that came at a high cost per square meter. This analysis revealed that the border bridge was the most expensive bridge as compared to other large bridges having a length of over 100 meters. The price increase could also be attributed to the delays occurred in the tender procedure.

When auditors analyzed the costs of tunnel structures, they found that the prices of tunnels are considerably higher on the D 8 motorway than the prices of comparable tunnels in Germany.

The BRH and NKÚ now possess a database of prices for bridges and tunnels on which they can rely in future audit missions into the efficiency of the funds used for transport infrastructure purposes.

Concerning the construction of bridges the two audit institutions recommend the following:

  • standardizing bridge constructions and
  • using composite steel-concrete and special structures only if pre-stressed steel-concrete bridges are not adequate.

The main features of the cooperation were teamwork and informality. Throughout the parallel audit, the auditors shared their specific knowledge and skills.