Hay Point Extension HPX3 Diving Works

Scope of work

DSV: PMG vessels –Investigator 12m, Lisa Lee 11.5m, Malkara 14.6m

PMG have been the principal dive contractor on site for Bechtel during the Hay Point Extension 3 (HPX3) project. Dive operations centre around 3 core operations –

  • Anode (temporary and permanent) installation

  • Test Pile cutting using thermic lance

  • Pile Corrosion Inspections

Other site works have included

  • Barge and vessel inspections and minor repairs

  • Cyclone mooring deployment and inspection

  • Debris Removal

CONSTRUCTION DIVING

  • Installation of 200 temporary anode
  • Installation of 110 permanent anodes
  • Dredging of seabed to expose mattress ahead of piling operations
  • Cutting of test piles using Broco ultrathermic lance
  • Recovery of construction debris
  • Pile repair using hyperbaric weld technique
  • Miscellaneous underwater weld repairs e.g to third party barge
  • Cyclone mooring Installation

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Client
Bechtel

Time
2012 – 2014

Contract Value
7M

Location
Hay Point (Near Mackay) QLD, Australia

Role
Principal Dive Contractor on site

Dives
Approximately 260 since June 2013

Spread
6 person dive team – Day and Night shifts at various stages. Air & Nitrox Spreads depending on works, Full DDC.

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