A comprehensive maintenance programme for transmission lines and grid stations continues, including washing, cleaning, replacement of disc insulators and other necessary maintenance activities by respective National Transmission & Despatch Company (NTDC) formations.
These activities are being carried out on the instructions of Managing Director NTDC, Engr Dr Rana Abdul Jabbar Khan, with a view to increasing reliability of transmission lines and grid stations.
It will help in ensuring uninterrupted power supply during the month of Ramazan. Under this programme, shutdowns were availed on 500kV and 220kV Transmission Line Circuits in South region also.
During these shutdowns, cleaning, washing of insulators, tightening of nut/bolts of line hardware and replacement of disc insulators with RTV coated disc Insulators on Red, Yellow and Blue phases were carried out.
A total of 73,493 disc insulators were washed/cleaned at 459 locations, 9804 disc insulators were replaced at 55 locations, more than 688 braces and 570 nuts & bolts were installed. 02 damaged disc insulators strings (132kV C.B E5Q1 and E7Q1 C.B Yellow Phase) along with 02 healthy EMCO-Make disc insulators strings of 132kV C.B E7Q1 (Total 04 Strings) were also replaced at 220kV Grid Station Jhampir-1.
General Manager Asset Management South is supervising the maintenance program. Managing Director National Transmission & Despatch Company has appreciated the performance of the concerned Transmission Line (Maintenance) Divisions and urged to complete the maintenance work as per schedule.
