Two days later a contract with the company who introduced the cheapest offer was signed. It was a consortium of companies: Hydrobudowa Polska S.A, Hydrobudowa 9, Alpine Bau Deutschland AG Berlin, Alpine Bau GmbH Austria, Alpine Construction Polska Sp.
On the second day, a pact was established with the entity providing the most economical proposal. The alliance comprised Hydrobudowa Polska S.A., Hydrobudowa 9, Alpine Bau Deutschland AG Berlin, Alpine Bau GmbH Austria, and Alpine Construction Polska Sp.