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SPECIALIST CONCRETE, 
QUARRY AND CONSTRUCTION 
MATERIAL CONSULTING 

TRUSTED BY CLIENTS ACROSS AUSTRALIA
About Us

How We Help

SPECIALIST SERVICES. PRACTICAL SOLUTIONS 

CQT Services provides expert advice in concrete, quarry materials and construction materials technology across the full project lifecycle. From design a planning through to construction and dispute resolution. 

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Concrete Mix Design

Performance Based mix designs for strength, durability and constructability.

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Quarry Materials Advice

Technical advice on aggregates, quarries and materials performace.

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Durability & Defect Investigation

Identify the cause of defects and develop effective, practical solutions. 

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Pavements & Materials Engineering

Concrete and asphalt pavement design, assessment and defect investigations.

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Low-Carbon Concrete

Practical low-carbon solutions that balance sustainability, performance and risk.

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Thermal Modelling & Mass Concrete

Temperature prediction and control plans for mass concrete and complex structures.

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Technical Construction Support

On-site support, inspections, troubleshooting and constructability advice. 

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Hot & Cold Weather Concrete Planning

Minimise weather related risks and ensure quality outcomes in all conditions.

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Expert Witness & Dispute Resolution

Independent expert reports, mediations and court assistance.

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Training & Workshops

Industry leading training in concrete technology, standards and best practise

Featured Projects

Delivering Value on Australia's Most Important Projects

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Pacific Complete Woolgoolga to Ballina 

Provided independent concrete pavement expertise for the project providing specialist support from Tender to completion. Roles included audit of quarries and verification of materials to be supplied under the Pacific Complete engagement model.

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Bolivia Hill Bridge Upgrade​

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Established concrete batch plant, all concrete mix designs, aggregate binder and admixture supply to enable the construction of this bridge from Tender to completion. 

CQT audited the concrete plant and supplier across the project, provided specialist technical support and design input to reduce construction costs by over $2,000,000.​

Durability planning, B80 compliance, thermal control and on-site support. â€‹â€‹â€‹â€‹

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Sydney Harbour Bridge Approach Spans

Provided specialist advice for construction of precast railway planks that were used in the upgrade of the rail across the Sydney Harbour Bridge.

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Hope Island Cross River Rail Station

 

Specialist advice on minimising and mitigating Alkali silica reaction (ASR) risk on the project to improve long term durability of the asset. 

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Bluescope Steel Thermal Modelling

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Specialist thermal modelling, mix design and cooling strategy advice to manage DEF risk, cracking and long-term durability for mass concrete elements at BlueScope’s Project Prime.

Work With CQT

If your project needs specialist advice on concrete, quarry materials, durability, defects, expert witness matters or technical project risk, our team can help.

Work With CQT

If your project needs specialist advice on concrete, quarry materials, durability, defects, expert witness matters or technical project risk, our team can help.

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Quick Links

Specialist concrete, quarry and construction materials consulting across australia

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Our Office
Affiliations

Unit 1, 2 Saltspray Close 

Redhead NSW 2290

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MAILING ADDRESS

PO Box 7030  

Redhead NSW 2290

© 2026 CQT Services Pty Ltd. All rights reserved.

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