czechia-prague: engineering design services for the construction of civil engineering works./ optimization of the line section litoměřice lower station (including) - ústí nad labem střekov (excluding)./ the subject of the work is the creation of the project documentation for the joint permit and the project documentation for the execution of the construction and the performance of the author's supervision "optimization of the track section litoměřice dolní nádraží (including) - ústí nad labem střekov (excluding)". a more detailed specification of the subject of public procurement is provided in the procurement documentation.