Permanent reconstruction of Broken Hill transmission line to get underway

Eight permanent steel structures will be installed on the 3.5km section of the 220kV transmission line damaged by the extreme weather event in October.

The operation will see six, 40m-tall H-frame transmission structures and two, three-pole tension structures erected, with concrete foundations up to eight metres in depth, to replace the emergency towers installed last year.

Up to 40 personnel will be on site during the permanent restoration works, with equipment including drilling rigs, cranes and elevated work platforms.

Head of Transgrid’s Far West Operations Response Sam Pickering said detailed planning and design, including environmental and geotechnical surveys, have been undertaken to ensure the success of the complex operation.

“Transgrid has carefully planned these essential works and engaged specialist crews from highly experienced contractors Civil Group Australia and Astar Rigging Constructions,” Mr Pickering said.

“We have already carried out inspections and early works and from next week the local community will see personnel, equipment and a site office arriving onsite.

“In the months ahead, specialist crews will drill and pour the concrete for the foundations, before the permanent structures are assembled and erected. Finally stringing of the high-voltage conductor will get underway.

“In terms of what the community can expect, when the works have been completed, the switchover to the new section of transmission line will take place without interruption to the region’s power supply.

“While this work gets underway, we will continue to work with the community to minimise any disruptions. 

“Transgrid would like to again thank the communities of Broken Hill and Far West NSW for their patience as we carry out these essential and complex works.”

Media enquiries: Mark Nolan 0429 047 136