As part of the re-start of the operations at Thunderbox mine, APD was engaged to undertake powerline modification and upgrade works for Saracen Minerals Holdings. This included undergrounding of existing 11kV overhead assets, installation of a new 315kV transformer, earthing, soil testing and maintenance / repairs on other existing infrastructure. We provided detailed designs, procurement and construction supervision; system commissioning and monitoring; quality, safety and financial management.