
5 Dimensional Designs Pty Ltd
Trusted Solutions for Dangerous Goods (Class 3 and Class 2.1_Flammable and LPG)
5 Dimensional Designs Pty Ltd


Underground Fuel Systems & Dangerous Goods Compliance Experts
Specialists in UPSS design, hazardous materials consultancy, manifest documentation, and project delivery across Australia.
OUR SERVICES
UPSS (Fuel Systems) Designs
DG Consultancy
(Class 3 and 2.1),
Site Manifest Documentation
Site Compliance Audits
We specialize in designing modern, efficient, and high-performing Underground Petroleum Storage Systems(UPSS) designs that meet today’s operational, environmental, regulatory compliance and customer experience standards.
Whether you're developing a new site or upgrading an existing one, our team delivers innovative design solutions that maximize space, safety, and compliance with all relevant Australian Standards. We help Service Stations manage, store dangerous goods safely and in full compliance with regulations—reducing risk and protecting people, assets, and reputation.
Why Choose Us?
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Industry-focused expertise in fuel infrastructure
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Strong understanding of compliance and safety standards
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Customized, practical design solutions
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Commitment to quality and reliability
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End-to-end project support
Our Expertise
Our team provides end-to-end UPSS design services tailored to your project requirements. We combine technical precision with practical industry experience to ensure seamless integration with your site and operations.
Our services include:
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Concept and detailed UPSS design
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Tank sizing and configuration
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Fuel system layout and piping design
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Safe swept path analysis for fuel delivery vehicles (Tanker Path)
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Venting and vapor recovery systems
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Leak detection and monitoring systems
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Electrical and hazardous area classification layouts
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Environmental protection measures
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Compliance with Australian Standards and local regulations
Our Process
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Consultation – Understanding your vision, site, and business goals
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Concept Design – Initial layouts and design direction
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Detailed Design – Technical drawings and compliance documentation / certification
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Review & Refinement – Collaboration to finalize the design
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Delivery – Ready-to-build plans and support
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As-Built Drawings – Detailed As-Builts drawings of all fuel related infrastructure
Industries We Serve
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Oil & Gas Companies
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Independent Fuel Retailers
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Commercial Developers
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Highway Service Stations
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Fleet & Industrial Fuel Facilities


