RMU Upgrade

  • Period: 1/6/2016 – 9/9/2017
  • Client: Dept. of Defence
  • Value: $2,590,255
  • Value: Darwin, NT

Project Overview

RAAF Base Tindal has an extensive 11 kV distribution network comprising of 11kV switchboards, underground cabling and over fifty 11 kV ring main units (RMUs). Many of these RMUs are past their serviceable life and are beginning to fail. The proposed works include the installation and commissioning of new 11 kV switchgear and associated cabling.

Project Requirements included:

  • Replacement of 9 Ring Main Switching Units
  • Operating panel in PCMS compartment
  • Addition of a 24VDC solar power supply to provide an
    auxiliary power supply at switching station 21
  • Excavate, joint, terminate, test and backfill new table tails onto the RMU
  • Terminate and test new cable between the RMU and transformer (excl SS 21).
  • Testing and commissioning on RMU equipment

Challenges

  • Operating civilian and military aerodrome including a international military exercise with USAF F22 Raptors
  • Complex stakeholder requirements on outages including:
    o 452SQN (Air Traffic Control)
    o 75SQN (OLAs)
    o Other contractors on site – Lend Lease and Fulton Hogan
  • Existing undocumented services
  • Airside works including preparation and submission of Method Of Works Plan for airside activities.

Successes

  • Project completed before target completion date and under budget
  • No disruptions to base operations
  • No LTIs or MTIs
  • No defects at handover

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+61 7 5450 1329

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