The subject of the project is the preparation of the pre-design and design documentation necessary for the implementation of the project "Regeneration of railway lines No 140/169/179/885/138 of the connection: Orzesze Jaśkowice-Tychy-Baraniec-KWK Piast-New Bieruń-Oświęcim. The project documentation will cover the scope of work broken down into the following sections: 1: LK 140 Katowice Ligota-Nędza, Orzesze Jaśkowice station, track no. 1 from km 21.349 to km 22.234 l. 0.885 km, LK No 169 Tychy-Orzesze Jaśkowice track no. 1 from km 0.549 to km 17,484 d. 16,935 km.2: LK 169 Tychy-Orzesze Jaśkowice, Tychy station, track no. 1 from km -0.246 to km 0.549, long. 0.795 km, LK No 179 Tychy-Lędziny-Mysłowice Cost from km 0.647 to km 12,250 l. 11,603 km.3: LK No 179 Tychy-Lędziny-Mysłowice Cost from km 12,250 to km 14.560 2,310 km, LK no. 885 Nowy Bieruń – KWK Piast – podg. Baraniec from km 0.00 to km 5,603 d. 5,603 km, LK No 138 Oświęcim – Nowy Bieruń from km 0.525 to 4,484 km long. 3,959 km.