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Hydraulic Design Engineers and Consultants
PJ Wright & Associates Pty Ltd provides clients with a full range of hydraulic engineering design consultancy services tailored specifically to their needs. We pride ourselves on developing engineered hydraulic design solutions for our clients that are practical, efficient and cost-effective.
With over 90 years combined experience in designing plumbing and hydraulic engineering services in Australia and internationally, our knowledge and expertise cover a diverse spectrum of industries and sectors.
This enables PJ Wright & Associates Pty Ltd to undertake hydraulic engineering designs and services for a range of development types, from single residential to multiple and mixed-use developments; single commercial fit-outs up to regional shopping centres; high-end developments, breweries, office buildings, aged care facilities, daycare centres, resorts, medical suites through to private hospitals and a complete range of institutional buildings such as police stations, schools and colleges.
No two projects are the same, and we take into account all specific details that may be intrinsic to the project and the subsequent optimised hydraulic engineering design and development. These include Safety in design processes, system life-cycles, site or regional limitations, maintenance and servicing requirements, access provisions and sustainability practices, all of which our in-house hydraulic engineers are highly-qualified in including in the process.
Our Perth-based Hydraulic Design Consultants undertake ongoing professional development ensuring they are up-to-date with all new advances in technology, materials, and procedures within the plumbing and hydraulic design industry. We maintain close working relationships with manufacturers and members of the hydraulic services industry to ensure that our designs are contemporary, taking into account the construction methods or staging of the project.
Click here for a detailed list of previous projects undertaken by our hydraulic engineering consultancy team.
Our hydraulic engineering expertise is not limited to hydraulic design and development but also includes reviews, expert witness, and professional opinion reporting.
No matter what size, type or complexity the project may be, our hydraulic engineers can develop a detailed and comprehensive design which encompasses all aspects of Plumbing and Hydraulic Services including;
• Sewerage Treatment Systems
• Sanitary Plumbing and Drainage
• Industrial Waste Drainage
• Stormwater Drainage
• Hot and Cold Water Services
• Natural and LP Gas Services
• Fire Hydrant and Hose Reel Services
Our hydraulic consulting team has advanced CAD skills to cater for the specific requirements of the client. From start to finish on every project, our team adhere to stringent procedures and processes for quality management and work standards.
All solutions are based upon ‘Best Practice’ principles and adhere to the relevant acts, regulations, codes, and standards as well as particular local government requirements.
Consultation with all stakeholders of each project is applied throughout our hydraulic engineering processes to ensure that the finished product is completed to the highest standard and addresses all aspects of the project brief.
From providing simple advice, to undertaking a full services review, we pride ourselves in offering an independent and ethical hydraulic design consultancy service on all aspects of hydraulic services.
Frequently Asked Questions
Hydraulic design focuses on the planning & creation of systems that manage the movement of fluids—primarily water—to perform essential functions such as plumbing, drainage, irrigation, & fire protection. It combines engineering principles with practical applications to ensure water supply & removal systems are safe, efficient, & compliant with relevant regulations. Hydraulic design may involve the use of Pump systems to pressurised fluids or transmit fluid where normal gravity flow is insufficient or cannot be achieved.
Hydraulic Pump Systems: These systems pressurise fluids for transmission or provide operational pressures for equipment in industries like construction, mining, & manufacturing.
Building Hydraulic Services: This branch focuses on the design of a building’s water, drainage, & waste systems—ensuring clean water delivery & safe disposal of used or contaminated water.
Water Supply: Planning the delivery of potable water to all fixtures, fittings, & appliances within a building.
Drainage & Wastewater: Designing systems that safely remove stormwater, rainwater, & sewage from the site through well-sized pipes & proper gradients.
Piping Systems: Selecting appropriate pipe materials, sizes, & venting solutions to achieve reliable performance & long-term durability.
Fixture Load Calculations: Assessing the total water demand based on fixture units to size systems accurately.
Backflow Prevention: Incorporating devices & layout strategies that prevent contamination of clean water supplies.
Trade Waste Management: Designing suitable collection & discharge systems for non-domestic wastewater, in line with local authority standards.
Sustainability Considerations: Integrating water-saving technologies, efficient fittings, & environmentally responsible drainage solutions to support sustainable design.
Site Assessment: A detailed review of site conditions & existing infrastructure to identify constraints & opportunities.
Engineering Calculations: Applying fluid dynamic principles to determine optimal pipe sizes, pressures, & flow rates.
Design Documentation: Preparing precise technical drawings, hydraulic schematics, & specifications to support construction & compliance submissions.
Standards & Compliance: Ensuring the proposed design aligns with Australian Standards, National Construction Code requirements, & local authority guidelines.
Certification: Providing documentation confirming best engineering practices and compliance has been achieved in design.
