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Rozelle STS 132 kV – 33kV Tx 1 Upgrade

SECTORS:

POWER & ENERGY

CLIENT:

Ausgrid

REGION:

NSW

STATUS

Complete

COMPLETION DATE:

Scope of works 


  • Excavation and Demolition: Carefully remove the old 132kV to 33kV transformer bay. 

  • Construction: Building a cast in-situ reinforced concrete protection structure over a 1200mm stormwater line. 

  • Foundation Work: Laying down new transformer bay footings, piers, slabs, plinths, and walls with integrated conduits. 

  • Fabrication: Crafting and setting up precast concrete bay walls and steel structures for cable supports, NER cage, and additional equipment. 

  • Trenching and Installation: Embedding new conduits for 33kV, 11kV, LV, & Earthing cables between the transformer bay and the main switch room. 

  • Cabling: Provide and install 33kV, 11kV, LV, and earth cables from the main switchroom basement to the new transformer bay.

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