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Government & Defence

RAAF Richmond Building 359 Upgrade

On Top delivered a new calibration-facility electrical upgrade at RAAF Richmond for Northrop Grumman.

DateJune 2021
Project managerGrant Murphy
ClientMcMahon Services
RAAF Richmond Building 359 Upgrade
Project overview

Scope delivered by On Top.

On Top delivered a new calibration-facility electrical upgrade at RAAF Richmond for Northrop Grumman.

Electrical scope

  • Two local power-distribution boards fitted with undervoltage-release coils
  • One UPS distribution board and external bypass switch fitted with undervoltage-release coils
  • One isolation transformer and associated distribution board
  • Replacement of a poorly maintained lighting-and-power distribution board
  • One 200 kVA UPS system
  • Four new 250 A supplies
  • New exposed cabling and cable tray through the workshop
  • Acoustic sealing of cabling and wall outlets
  • Various new power supplies
  • New workshop and task lighting
  • New emergency-power-off system
  • Connection of client-supplied equipment with flexible cable and plug
  • New earthing arrangement and local earth-bonding bars
Project outcome

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