Industrial Steel Infrastructure
Kelly Steel is a certified industrial steel fabricator based in Dandenong South, Melbourne. We fabricate structural steel for tunnels, water infrastructure, energy facilities, pipelines, and civil structures delivering across Victoria, NSW and Tasmania with full AS/NZS compliance documentation on every project.
If your project involves a principal contractor, a government client, or a superintendent who needs paperwork they can actually sign off on, you’re in the right place. We’ve been doing this kind of work since 1985, and the compliance side of industrial fabrication is something we handle as standard, not as an afterthought.
What steel components does Kelly Steel fabricate for infrastructure projects?
Kelly Steel fabricates structural steel components for a wide range of industrial infrastructure scopes. Here’s what that looks like in practice:
Civil & Structural Steel
Beams, columns, structural frames, platforms, gantries, and access steel for pumping stations, treatment plants, tunnels, and public infrastructure facilities.
Water & Wastewater Infrastructure
Steel components for sewer systems, water channels, pump stations, and treatment plant structures. Our work on Melbourne's main sewer replacement demonstrates the complexity we can handle below ground.
Pipeline & Process Plant Steel
Pipe supports, pipe bridges, structural steelwork for process plant, and custom fabricated assemblies for water, gas, and industrial applications.
Energy Infrastructure
Structural steel for substations, switchyards, transmission structures, and renewable energy facilities. With Australia targeting 82% renewable electricity by 2030, energy infrastructure is one of the fastest-growing areas of industrial fabrication demand right now.
Tunnel & Below-Ground Structures
Steel linings, support steelwork, and fabricated components for tunnel construction. Kelly Steel's involvement in the CityLink tunnel works is the kind of reference that matters when assessing whether a fabricator can handle a complex, compliance-intensive underground scope.
Platforms, Gantries & Access Steel
Maintenance platforms, walkways, mezzanines, ladders, handrails, and safety barriers for industrial facilities and infrastructure assets.
If your scope doesn’t fit neatly into one of these categories, talk to us directly. Multi-scope industrial projects are what we’re set up for.
The answer is straightforward: certifications, documentation, and a track record that holds up when a project manager or principal contractor starts asking questions.
Why do infrastructure projects use Kelly Steel as their fabricator?
Certifications
Kelly Steel holds ISO 9001 Quality Management, ISO 45001 Health and Safety, ISO 14001 Environmental Management, and CC2 certification under AS/NZS 1554 and AS/NZS 1531 for structural steelwork fabrication. These are the accreditations principal contractors and government project teams require before a fabricator gets on the approved supplier list.
Welding Standard
Structural welding is carried out to AS/NZS 1554 by coded welders with current qualifications. Where your project requires fatigue-rated welding bridges, gantries, or structures subject to cyclic loading we work to AS/NZS 1554.5. Weld procedure specifications (WPS), procedure qualification records (PQR), and non-destructive testing (NDT) are standard, not optional extras.
Documentation
Every project leaves the shop with a complete QA package inspection and test plans (ITPs), weld maps, material certificates, coating reports, and as-built records. Your superintendent gets what they need without having to chase it.
Delivery Programme
Operating from a 2,000 m² facility in Dandenong South, we have the equipment, overhead capacity, and workshop layout to handle large and heavy industrial fabrication. We sequence loads, label components, and coordinate with your site team so erection runs to your programme not around access windows and site surprises.
Project Precedent
Four decades of industrial infrastructure work across Victoria, NSW and Tasmania. CityLink tunnel works. Major rail projects. Victoria's desalination plant. Melbourne's main sewer replacement. These aren't marketing lines they're the projects that shaped how we approach complex industrial fabrication.
Does Kelly Steel deliver outside Victoria?
Yes. Kelly Steel delivers industrial infrastructure fabrication across Victoria, New South Wales and Tasmania. We’re based in Dandenong South, which gives us straightforward access to the Melbourne metropolitan area and the south-east manufacturing corridor but our project history runs well beyond the Victorian border.
Australia’s national infrastructure pipeline is substantial, with road and rail infrastructure projects alone representing the majority of Australian Government infrastructure funding and much of that pipeline runs through regional areas where fabrication capacity is limited. If your project is regional or interstate, talk to us early. We plan sequenced delivery and site logistics as part of the fabrication programme, not as a separate problem to solve later.
The primary standards for industrial steel fabrication in Australia are AS 4100 (Steel Structures), AS/NZS 5131 (Structural Steelwork Fabrication and Erection), and AS/NZS 1554 (Welding of Steel Structures).
Here’s what that means for your project specifically:
What standards apply to industrial infrastructure fabrication in Australia?
Bridges, Gantries & Overhead Structures
Requires welding to AS/NZS 1554.5, which covers structures subject to high levels of fatigue loading. This is a more demanding standard than the AS/NZS 1554.1 used in most commercial fabrication with stricter welder qualification, inspection, and NDT requirements.
Energy & Process Plant Work
May additionally require compliance with AS 1210 (Pressure Vessels) and AS 4041 (Pressure Piping), depending on scope. These standards layer on top of the base structural requirements and demand specific documentation and inspection protocols.
Water & Sewer Infrastructure
Sewer and pipeline systems carry their own set of principal-contractor specifications on top of the base Australian Standards. Project-specific requirements vary significantly and need to be identified and confirmed before fabrication commences.
In practice, what this means is: your fabricator needs to know which standard applies to your specific scope, not just know that standards exist. That's the difference between a fabricator who works in industrial infrastructure regularly and one who doesn't.
Common Questions About Industrial Steel Fabrication
What is industrial steel fabrication?
Industrial steel fabrication is the process of cutting, welding and finishing raw steel into certified structural components for tunnels, pipelines, water infrastructure, energy facilities, and civil structures built to Australian Standards with full compliance documentation.
Who is Kelly Steel and where are they based?
Kelly Steel is a certified industrial steel fabricator based in Dandenong South, Melbourne, delivering across Victoria, NSW and Tasmania since 1985. Past projects include CityLink tunnel works, major rail projects, Victoria’s desalination plant, and Melbourne’s main sewer replacement.
What certifications does Kelly Steel hold for industrial infrastructure work?
Kelly Steel holds ISO 9001, ISO 45001, ISO 14001, and CC2 certification under AS/NZS 1554 and AS/NZS 1531. See the full accreditations page.
What QA documentation is included on every project?
Every project includes ITPs, WPS, PQR, coded welder qualifications, material certificates, NDT reports, coating certificates, and as-built records, provided as a complete handover package.
What Australian standards apply to industrial steel fabrication?
The core standards are AS 4100, AS/NZS 5131, and AS/NZS 1554. Fatigue-loaded structures require AS/NZS 1554.5. Pressure plant work may also require AS 1210 and AS 4041.
Does Kelly Steel handle both fabrication and installation?
Yes. Kelly Steel delivers fabrication and site installation under one programme including delivery sequencing, cranage, bolt-up, on-site welding, and final alignment.
Does Kelly Steel deliver outside Victoria?
Yes. Kelly Steel delivers industrial fabrication across Victoria, NSW and Tasmania, with delivery sequencing and site logistics planned as part of every project.
How do I get a quote?
Send your drawings, specifications and programme to the team. Contact us or request a quote and we’ll confirm scope, standards, and pricing.
