Repair damage to the foundation, road surface, drainage system and traffic safety in sections Km128+288 - Km128+500, Km132+900 - Km135+500; Repair damage to expansion joints and decks of bridges: Suoi Hao 1 bridge Km78+812, Pieng Cam bridge Km119+316, Na An 3 bridge Km128+895, Ban Ban bridge Km133+109; Repairing the traffic safety system at section Km47+00 - Km158+00; National Highway 48D, Nghe An province