What we do

An end-to-end service
We have the expertise and experience to plan and manage all areas of the job. From Health and Safety, to Risk, to Environmental - keeping these aspects in-house assures delivery.
We give you:
Accountability
We take responsibility for:

Timelines

Sourcing and ordering

Staff selection

Inspection Plans and Site Permits

Managing the QA process

All certification and documentation

Skilled staff
Supported by ongoing development, our highly skilled staff are the best in the industry - providing our customers with improved assurance and reduced risk at every stage.
Experience
Our experience makes projects safer and more efficient. It allows us to add value to a project, especially when engaged early.
Delivery
We deliver consistently excellent results every time.
Winstone Wallboards Factory
Tauriko
We partnered with Canadian plant and equipment specialists, Gypsum Technologies, on the construction of the Bay of Plenty Winstone Wallboards factory. We were the lead installers for the mechanical process plant - a role that included fabrication, installation, construction and commissioning.
"The Tauriko plant and equipment install was by no means a straightforward build. It involved massive amounts of collaboration, planning and interface with base build contractors, which CMS managed well.”
Karl T
Health and Safety Manager

Winstone Wallboards, Project Basalt
Heavy fabrication

We have multiple workshops in the North and South Island

Sized and equipped for heavy fabrication

Including a 50t overhead gantry crane

Tank construction

We have tank experience in New Zealand, Australia and the Pacific Islands

From 500 litres to more than 350,000 litres

HSNO-certified to API 650 and AS 1692

Able to design and fabricate in carbon steel, stainless steel, hastalloy, incalloy, and duplex stainless steel - all in-house

Steel fabrication

Ashhurst Engineering & Construction is ISO9001 certified

We have AS/NZS 2980 & AS/NZS 9606 certified, and ASME IX qualified staff

We’re proficient with carbon steel, austenitic stainless steel, Hastalloy, Incalloy, Titanium, 2205 duplex, 2407 duplex, 253MA duplex, and 2507 super duplex

Experience includes manufacturing vat, platforms and ducting

Pipe Spooling

Experts at fabricating and installing Carbon, Stainless Steel and Duplex Pipe Spooling

Extensive pipework experience - especially Sch80 uPVC pipe systems

Machining

We have specialised machining equipment in multiple locations

Qualified and experienced fitter turners

Ability to machine custom componentry from a variety of different materials

Testing

Specialised equipment eg. Charphy Impact Testing machine

Ability to provide compliance testing to specific tolerances

Parahaki Bridge
Manawatu
Our workshop fabricated 24 pile casings

Diameter: 2m

Length: 24m

Weight: 24t

Casings were gantry craned out of our workshop

Our ISO 9606:1:2017 qualified staff assisted with onsite installation
A trusted partner
We’re a trusted partner in the installation and construction of critical and essential infrastructure, with extensive experience in the electrical industry, including hydro station refurbishments, substation upgrades, and transmission line projects. Our expertise equally spans the Chemical, Oil & Gas, Construction and Water Treatment sectors.

Delivering real value to our customers through proven, high-quality solutions is in our DNA.
Karapiro Hydro Gate Refurbishment
Waikato

Build and install 45t intake gates

Extensive, embedded steelwork

Precision is critical

We were engaged to install three new intake gates, and a new hydraulic operating system, as part of a major, multi-year Hydro Rehabilitation Project for Mercury Energy at their Karapiro facility.
"AEC have now fully installed the 1st and 2nd gate with excellent success as we had to adhere to industry-leading tolerances. Presently we are working on the 3rd unit’s embedded steelworks which is critical for the smooth operation of the gate.”
Bede G
Senior Project Manager
Mercury Energy
We ensure NZ’s essential infrastructure keeps running
We provide maintenance, shutdown and overhaul services for essential infrastructure and process plants throughout NZ.

Our extensive experience means work is meticulously planned, and performed to the highest standard with contingencies for the unexpected.
We’re proud to have delivered essential maintenance projects for:

Fletcher Building

Mercury Energy Geothermal and Hydro plants

Ballance Agri-Nutrients

Genesis Energy

Transpower

Transfield

Mighty River Power

IXOM

OceanaGold

Z Energy

Ballance Plant Maintenance
Mount Maunganui & Kapuni
We have completed scheduled turnaround shutdowns at the Kapuni site in Taranaki and we perform regular maintenance work at Ballance’s two Mt. Maunganui sites. Both Bay of Plenty sites are highly hazardous with the presence of dangerous chemicals. Even with emergent work, turnaround shutdowns have always been delivered in the specified timeframe and with excellent results.
“Contract Mechanical Services showed significant innovation, and a focus on ensuring Ballance Agri-Nutrients had a better product and a safer installation, through their early engagement with us.”
Neil T
Project Manager
Ballance Agri-Nutrients
We have in-house electronically controlled abrasive blasting facilities

Our Tauranga workshop has one of the country’s largest fully certified spray booth

We have specialised mobile equipment for on-site work

In-house capability removes fabrication delays and minimises downtime

“Bay Sandblasting is our provider of choice for painting structural steel. Their proactive approach, combined with their excellent communication, has made them a reliable and easy partner to deal with. The quality of their work and their commitment to meeting our needs has contributed to the long-standing success of our relationship”
Grier F
Director
Steelworks
We provide coatings, passive fire protection and corrosion control for new construction and essential infrastructure, as well as remedial and ongoing maintenance work. Our coating expertise includes:

Structural coatings on wet wells, industrial tanks, and bund linings, for the sealing of sewerage and stormwater systems, as well as thick and thin film epoxy coatings of critical steel structures

Specialised, protective intumescent coatings for major industrial and commercial steel structures

Passive Fire Protection

Industrial and commercial floor coatings

Concrete sealing and repairs

Steel rectification - including blasting and coating

Acoustic sealing

Asbestos encapsulation

“The SCS intumescent coatings team has been professional from tender through to works onsite.

During the tender stage, the team was extremely helpful with options regards methodology, installation procedure cost savings and extremely transparent, with no hidden costs.

The onsite team has been hassle-free and courteous, and their approach to QA and quality installation has been extremely diligent from start to finish.”
Maurice M
Contracts Manager

Watts & Hughes Construction

What we do

An end-to-end service

We give you:

Winstone Wallboards Factory

Tauriko

"The Tauriko plant and equipment install was by no means a straightforward build. It involved massive amounts of collaboration, planning and interface with base build contractors, which CMS managed well.”

Parahaki Bridge

Manawatu

A trusted partner

Karapiro Hydro Gate Refurbishment

Waikato

"AEC have now fully installed the 1st and 2nd gate with excellent success as we had to adhere to industry-leading tolerances. Presently we are working on the 3rd unit’s embedded steelworks which is critical for the smooth operation of the gate.”

We ensure NZ’s essential infrastructure keeps running

We’re proud to have delivered essential maintenance projects for:

Ballance Plant Maintenance

Mount Maunganui & Kapuni

“Contract Mechanical Services showed significant innovation, and a focus on ensuring Ballance Agri-Nutrients had a better product and a safer installation, through their early engagement with us.”

What we do