Lota Substation

Project Overview

• Bulk earthworks, drainage works, retaining wall, roadworks and fencing (new and replacement)
• Conduit work for incoming feeders, interconnection with the existing building and transformer feeds
• Vertical oil trap and associated pipe work
• Bunding of existing transformers while in service
• Earthing grid

Challenges

• Site access and security
• Working within a residential area in close proximity to housing
• Traffic management including delivery routes to avoid school drop off/pick up times
• Maintaining security between new yard and existing substation
• Maintaining security while replacing boundary fence
• Working below live 33kV bus to install bus work supports and foundations
• Constructing new cable entry to existing building
• Co-ordination with Telstra/Foxtel to lower plant to for new driveway

Successes

• No unplanned outages or cable damage
• No LTI or MTI
• No resident complaints
• No defects at handover