Specialised Services

Grant Dudson, Taupo lead project manager on site at Tauhara Geothermal Steamfield new Zeland

Project Management - Capability & Scale

Warner Construction offers full-scale project management solutions for civil, mechanical, and pipeline engineering works throughout New Zealand. By combining technical knowledge with collaborative leadership, their team establishes clear milestones, monitors performance, and maintains momentum across every project. With decades of experience and a reputation for delivering results, Warner Construction is a trusted partner for large-scale industrial and infrastructure projects nationwide.

A person welding inside a large metal pipe in a workshop, creating sparks and bright blue light.

Pipeline Construction

Warner Construction is recognised as one of New Zealand’s leading pipeline construction specialists, delivering complex projects with precision, safety, and efficiency. With substantial workshops located in both New Plymouth and Taupō, their facilities are equipped with advanced Plasma Cutting machines, Sub-arc welding systems, and modern fabrication equipment that enable large-scale pipeline works to be carried out to the highest industry standards.

Warners large-scale capabilities are demonstrated by the successful fabrication and installation of a 15km pipeline at the Tauhara Steam Field in Taupo New Zealand, a project that highlights Warner’s ability to manage scale, complexity, and fast-paced schedules without compromising on quality or safety.

Operating with world-class safety systems, reliable project management, and highly skilled teams, Warner Construction is the trusted partner for clients across the renewable energy, geothermal, water, and industrial sectors. Whether it’s the construction of new networks or the upgrade of existing infrastructure, Warner delivers robust, long-lasting steel solutions that keep New Zealand’s industries moving.

Industrial plant with large vertical storage tanks emitting steam, surrounded by a chain-link fence and grassy area.

Geothermal

The majority of Warner Constructions Geothermal and Hydro works have historically been for Contact Energy and Mercury, however they will fabricate and install any engineering related projects anywhere in New Zealand.

Over the last decade Warner’s reliability and quality of works have enabled them to dominate key projects for the majority of geothermal pipeline works in Taupo and the greater Bay of Plenty region of New Zealand. Warner Construction have recently completed their largest pipeline project for Contact Energy - the Tauhara Steamfield, and warmly invite you to view their Geothermal projects portfolio.

An overhead view of a person welding in a workshop, surrounded by various tools and equipment, with sparks flying as they work on a metal piece.

Workshop Fabrication

Warner Construction have invested in state of the art fabrication machinery and welding services to fulfil the industry needs for more efficient multi-disciplined civil and mechanical projects.

The Fabrication workshop is ISO 9001 certified, with in-house QA/QC procedures ensuring high standards throughout the manufacturing process.

To find out more of what’s on offer please click below:

Industrial workshop with a large metal frame suspended in mid-air, two workers in protective gear working nearby, and various equipment and tools around the space.

Civil Construction

  • Culverts, trenches, drain line systems including drain-lines, drain-pits and culvert ponds

  • Well-head stinger and thrust frames

  • Pipe shoes, supports and associated foundations

  • Platform and pipe support foundations

  • Reinforcing pads

  • Silencer vessels and foundations

  • Retaining walls

  • Bike walkways

  • Access stairs

  • Stainless Steel and FRP security fencing

  • Bulk earth works

  • Live line excavation and investigation works

A worker in safety gear inspecting industrial pipeline equipment outdoors, with trees and cloudy sky in background.

Plant Maintenance

  • Plant Shutdown

  • Scheduled Maintenace

  • Labour Supply Unit

  • Hydro Testing

  • Repairs/Refurbishments

  • Specialist Workshop Capabilities

A large white semi-truck with blue and red racing stripe decals labeled 'Warner Bulk' inside a garage or workshop, with tools and a smaller white work truck labeled 'Warner Construction' nearby.

Fleet Maintenance

Warner Construction maintain and service all their plant and inventory. Qualified diesel mechanics are utilised for both out in the field and in-house fleet maintenance/servicing.

Warner Construction have the ability to be highly self-sufficient in their working environment. They remain a competitive market leader in the engineering industry because of their multi-skilled workforce and multiple workshop capabilities.

Close-up of industrial piping connected with multiple sensors and fasteners, including a large green valve or actuator on the left, with rusty pipes and industrial equipment in the background.

Bolt Tensioning

Two large yellow cranes lifting a long black pipeline on a construction site under a cloudy sky.

Pipe and Equipment Installation

Warner Construction have equipped themselves with specialised machinery and operators to tackle all pipeline installs and their diverse portfolio proves that they have the know-how and can-do for the most challenging of briefs. Side boom excavators can mobilise pipe installs of all sizes. Cross-country pipe transportation and equipment installation are carried out with top of the line equipment, allowing Warners skillset to be independent and resourceful for all project machinery needs.

A small white utility truck with the words 'Warner Construction' on the front, driving on a gravel road in a rural area with large green pipelines supported by metal stands passing alongside. There are mountain hills and a partly cloudy sky in the background.

Pressure Testing

Construction site of a building with steel framework, partially built walls, and a conveyor belt system labeled "Niven Crane." Surrounding area has dirt and construction cones, with a curved retaining wall and fence. Background shows trees, industrial buildings, and cloudy sky.

Soil Testing

Warner Construction are also equipped with soil testing analysis. The soil testing lab was established in 2015 and has satisfied all requirements of ISO 17025:2005 for IANZ accreditation of field and laboratory sampling and testing. To find out more and how this important data can assist with your next project, please visit Civil Test.