Repair damage to the foundation and road surface of sections Km133+800-Km134+080; Km135+920-Km136+150; Km138+100-Km138+330; Km141+00- Km141+300; Km141+800-Km142+080; Km142+710-Km142+920; Km142+920-Km143+00; Km143+00-Km144+100 (Left) and Repair and supplement woven panels of sections Km108+700-Km109+300; Km111+800-Km112+120 National Highway 1B, Thai Nguyen province