WBIF – Infrastructure Project Facility – Technical Assistance 10 (IPF 10), for the preparation the Reconstruction and Modernization of railway line Orient/East-Med Corridor, Stalać – Kraljevo Route 11 Railway Section: Feasibility Study (FS), Environmental and Social Impact Assessment (ESIA), Preliminary Design (PD), Tender Documents (WB25-SRB-TRA-01)