We offer a team of highly qualified tradesmen and welders who provide the experience and knowledge to meet your unique requirements and all relevant codes.

Our welding work is carried out in accordance with ASME IX AWS D1.1 and AS/NZS 1554.1. Pressure vessel construction is carried out to BS5500 or ASME VIII and construction of pipework, including geothermal and petrochemical lines, to the requirements of ASME B31.1 & B31.3 codes.


Projects our Fabrication Department has undertaken include:

  • Geothermal pipelines at Ohaaki, Wairakei, Kawerau, Rotokawa, Ngawha, Nga Awa Purua and Mokai power stations.
  • Piping and well test equipment for the Lihir Island geothermal project.
  • Pressure vessels in the above geothermal fields (BS 5500).
  • Natural gas piping for municipal reticulation.
  • LPG tanks for automatic use (ASME VIII).
  • Specialised repair work on the Auckland Harbour Bridge (NZS 4701 and 4711).
  • Oil storage tanks for Caltex Oil (NZ) Ltd at Bluff.
  • Miraka Steam Supply Plant
  • Power Station Project
  • Equipment overhauls and facilities maintenance for hydro and geothermal power stations.


Our Fabrication Workshop has the capability to undertake:

  • Subarc Welding
  • Plate Rolling
  • Guillotine Cutting
  • Furnace Stress Relieving
  • Profile Cutting
  • Air Plasma Cutting


Our welding equipment features the latest technology including flux core, RMD and STT. Welding processes such as SMAW, FCAW, GMAW, SAW and GTAW are available. Stainless and aluminium welding can also be undertaken.


Sandblasting and painting equipment compliment the steel fabrication division to provide the ultimate in corrosion protection.

Fabrication capability is supported by a project management team who provide:

  • Customer liaison
  • Contract planning
  • Subcontracts
  • Development and management of Health and Safety plans
  • Development and management of Quality Assurance plans
  • Reporting
  • Insurances and bonds
  • Contract claims and documentation

Design and CAD capability is also available from an experienced design team. We offer particular capacity in steam, hot water and two-phase pressure pipework and vessels, together with steam venting systems, pump evaluation and specifications for hot steam/water.

Our Fabrication Shop has been certified to ISO 9001:2008.

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