Yandi 220kv switchyard upgrade

Location: Pilbara WA Iron ore mine site.

MNJ group recently completed an upgrade to the existing 220kv switch yard at Rio Tintos Yandicoogina mine site.

Site works involved were:

  • Security fencing upgrade to new switchyard and new vehicle gates
  • Form and pour footings for new post insulator steel work
  • Installation of all post insulator steelwork,
  • Delicate hand excavation around existing live cables and conduits
  • Installation of new conduits
  • Form work for transformer bund floor and walls
  • Welding of reo to transformer bund walls and floor
  • Earthing for new earth grid and earthing to structures
  • Installation of building structural steel and the delicate job of skating the new building into position
  • Core drilling chemset studs for the building structural steel.
  • Our team was also involved in the ring feeder works which required the laying of 2400lm of new conduit and the pulling of all hv and lv cables.
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MNJ Group
7/19 Enterprise Circuit Prestons NSW 2170
Phone: 1300 451 484
Fax: 02 9825 8100