(1) Repair and overcome defects in long-term operating substations in the Thai Binh area; (2) 35kV transmission lines on main roads 373E11.3, 374E11.3 and 371E11.11; (3) 22kV transmission line 476E11.5 Tan Hoa 5 branch from column 10 to Tan Hoa 5 substation, Tan Hoa 3 branch route 476E11.5, Tan Binh branch No. 6 route 473E11.21, Tan Thanh 1 branch route 477E11.21, Tan Phuc Binh branch route 471E11.21, Dong My 3 branch and Dong My 11 route 475E3.3