The subject of the project are design works and revitalisation of single track, non-electrified wide track (1520 mm) railway line No. 59 in the section from km 0.000 to km 20.132, together with traffic control devices, electric power engineering, telecommunications, intersections in one level of roads and railway lines and engineering facilities. The section Skupowo – Chryzanów in km 20.132-27.155 is currently not included in the management of PKP PLK S.A. The category of line No.59 – secondary. The whole subject-matter of the contract includes the performance of: 1) Design documentation necessary for the proper execution of all construction works and obtaining all the required opinions, arrangements, approvals, conditions, decisions and permits necessary for the performance of the subject matter of the contract; 2) All construction works according to the scope of the contract on the basis of the design documentation referred to in point 1, as well as all preparatory works necessary for the performance of the scope of the Agreement and any activities required by Law, prepared by the Contractor and approved by the Employer; 3) Conformity assessment of each structural subsystem covered by the contract at each stage (design, construction and final testing of the subsystem). The contract includes the design and execution of the track range, engineering and traffic control, as well as all sectors necessary for the proper performance of the task. The awarding entity shall pay particular attention to the fact that the whole subject of the contract should be performed in accordance with the Technical Standards.