SPECIALIST WATER TREATMENT PLANT MAINTENANCE & MECHANICAL FITTING

Specialist water treatment maintenance and mechanical fitting services backed by decades of proven experience.

Our Services
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Your Trusted Partner FOR WATER TREATMENT PLANT RELIABILITY

Neumann Water specialises in mechanical fitting, pump rebuilds and asset lifecycle management for water treatment facilities across Australia. As a division of Neumann Contractors, we're part of a 100% Australian-owned family business with deep technical expertise and comprehensive support capabilities.

What sets us apart is our practical, hands-on approach to complex maintenance challenges. Our team of experienced mechanical fitters and engineers work directly with plant operators to minimise downtime, extend asset life and deliver cost-effective solutions. From horizontal laser alignment and pump overhauls to membrane change-outs and specialised fabrication in duplex and super duplex stainless (2507/S32750), we have the skills and equipment to keep your facility performing at its best.

We're there for the entire process, from initial assessment and planning through to completion and commissioning. Our commitment to safety, quality and environmental management is backed by ISO certifications and a proven track record across desalination plants, water treatment facilities and wastewater operations.

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SPECIALIST Services FOR WATER TREATMENT FACILITIES

MECHANICAL
FITTING

Expert pump rebuilds, overhauls and mechanical maintenance to keep your critical equipment running reliably. Our team handles centrifugal pumps, high-pressure multistage units, horizontal laser alignment, flange refacing and rotating equipment inspections with precision and efficiency.
EXPLORE SERVICE

ASSET UPGRADES
& LIFECYCLE

Planned upgrades and lifecycle management to improve capacity, efficiency and reliability. We deliver obsolescence remediation, fit-for-purpose replacements and maintenance programs aligned to your plant strategy, helping you maximise asset value and performance.
EXPLORE SERVICE

MEMBRANE
CHANGE-OUTS

Specialist membrane replacement and train refurbishment services for desalination and RO plants. Our dedicated equipment and proven processes eliminate manual handling risks and deliver efficient, safe change-outs with minimal disruption to operations.
EXPLORE SERVICE

SPECIALISED
FABRICATION

High-quality fabrication and welding in stainless steel (304/316L), aluminium, duplex and super duplex (2507/S32750). From custom skids and pipework to support structures and replacement components, our fabrication capability supports your maintenance and upgrade requirements.
EXPLORE SERVICE

CORROSION CONTROL
& COATINGS

Onsite corrosion control and protective coating services to extend asset life and maintain performance. We provide surface preparation, coating application and industrial cleaning, with access to specialist blasting and coating facilities through Neumann Industrial Coatings.
EXPLORE SERVICE
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THE NEUMANN WATER DIFFERENCE

PROVEN TECHNICAL EXPERTISE

Our team brings decades of hands-on experience in water treatment plant mechanical maintenance. We understand the critical nature of your operations and the importance of minimising downtime. Our mechanical fitters are skilled in pump rebuilds, horizontal laser alignment, rotating equipment maintenance and working with specialised materials including duplex and super duplex stainless steel (2507/S32750). Every project is delivered with comprehensive WHS documentation and rigorous quality standards.

COMPREHENSIVE SUPPORT CAPABILITIES

As part of Neumann Contractors, we provide access to comprehensive engineering, fabrication, coating and equipment resources across multiple divisions. This means we can deliver complete solutions for complex projects, from RPEQ-certified design and major fabrication through to abrasive blasting and specialised coatings. We collaborate with your functional design and SCADA partners to ensure seamless project delivery.

CERTIFIED SAFETY & QUALITY SYSTEMS

Your facility's safety and compliance are paramount. Neumann Water maintains ISO 45001:2018 (Safety), ISO 9001:2015 (Quality) and ISO 14001:2015 (Environmental) certifications. We deliver all work with full JSEA documentation, confined space and working at height compliance, and 24/7 emergency breakdown support when you need it most.
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Our Work in Action

Membrane Loading Installation/Replacement

Reverse Osmosis Membrane Replacement at Desalination Plant Innovative Approach to Membrane Replacement in Reverse Osmosis System – Efficient, Safe, and Effective Membrane Replacement Reverse osmosis (RO) systems are widely used...

Membrane Loading Installation/Replacement

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Winch and Trash Screens Installation at Dam

Wappa Dam New Winch and Trash Screens Installation at Dam Overview of Project: The Dam was a mass concrete gravity arch dam with earth fill abutments and an ungated spillway...

Winch and Trash Screens Installation at Dam

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Water Treatment Plants Vermin Proofing

Installation of Vermin Proofing at WTPs Overview of Project: Existing Vermin Proofing (shade cloth) and screens under the Whirly Birds at the water treatment plants were failing and non-compliant.  In...

Water Treatment Plants Vermin Proofing

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Switchboard Roof Structure at a WTP

Plant Switchboard Roof Structure at WTP Overview of Project: Fabricate and install a new roof for weather protection during maintenance.  A new electrical switchboard was installed in 2012 and was...

Switchboard Roof Structure at a WTP

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Sulphuric Acid Skid Pipe Upgrade and Pressure Test

Sulphuric Acid Skid Pipe Upgrade and Pressure Test Overview of Project: Part of the recommissioning works of the plant, the sulphuric acid system had been identified as high risk of...

Sulphuric Acid Skid Pipe Upgrade and Pressure Test

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Protective Coatings Site Painting of GRP Tank

Site Painting of GRP Tank Overview of Project: Refurbishment of the RO (Reverse Osmosis) Blending Tank, made of a Glass Reinforced Plastic (GRP) material. The original coating was degrading and...

Protective Coatings Site Painting of GRP Tank

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Our Work in Action

Membrane Loading Installation/Replacement

SYDNEY WATERS

Winch and Trash Screens Installation at Dam

SYDNEY WATERS

Water Treatment Plants Vermin Proofing

SYDNEY WATERS
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SERVING AUSTRALIA'S WATER SECTOR

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DESALINATION PLANTS

Specialist maintenance and membrane change-out services for reverse osmosis and desalination facilities.
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WATER TREATMENT PLANTS

Pump overhauls, mechanical fitting and asset upgrades for potable water treatment operations.
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WASTEWATER TREATMENT PLANTS

Mechanical maintenance, equipment refurbishment and process equipment support for wastewater facilities.
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LET'S DISCUSS YOUR PLANT MAINTENANCE REQUIREMENTS

Whether you need planned maintenance, urgent breakdown support, or a major asset upgrade, our team is here to help. Contact Neumann Water today to discuss your requirements and discover how our proven expertise can keep your facility running reliably.
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