The project was for Transformer Number 1 Bund Upgrade works at Seven Hills Zone Substation. The project included demolition works and the installation of grout-injected piers to allow the construction of a new transformer enclosure, including concrete bund and hollow core pre-cast fire walls. Works was completed by the addition of metal louvres fixed to the outside of the enclosure. The project also included the installation of HV conduits to the new bund. Project value $0.5m.