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Hydraulic Design & Estimating

Trusted by contractors nationwide, we provide high-quality plumbing design and estimating solutions that streamline construction, reduce errors, and ensure full compliance from start to finish.

Our services simplify your experience

Plumbing Contractors

MJI Design provides detailed, compliant, and cost-effective hydraulic shop drawings, penetration drawings, as-built drawings, fire block plans, O&M manuals, and estimating services to Plumbers across Australia and New Zealand.

Developers & Architects

We provide expert hydraulic services, from minor refurbishments to complex plumbing and pipework systems. Committed to sustainability and compliance, we deliver efficient, reliable solutions backed by on-site experience and engineering expertise, ensuring high-performance and cost-effective results.

Our company mission is to exceed all expectations

  • We deliver clear, detailed & compliant hydraulic drawings that leave no room for confusion.
  • Open and responsive communication, keeping you in the loop at every stage.
  • We prioritise cost-effective, value-managed designs that save you time and money on-site.
  • Fast and reliable turnaround times, even under tight deadlines.
  • Each project is approached with a tailored solution to meet your unique requirements.
  • We collaborate seamlessly with builders, consultants, and contractors to ensure smooth project execution.

We work with

The values that make us_

Integrity_

We uphold unwavering honesty, transparency, and accountability in every decision and action, reflecting our commitment to ethical business practices and fostering trust with our clients and partners.

Client Experience_

We are dedicated to exceeding expectations through personalized service, proactive communication, and a commitment to delivering solutions that align with our clients’ needs and aspirations.

Value Creation_

We go above and beyond to understand our clients’ unique challenges and goals, crafting tailored solutions that drive lasting value for their projects.

Plumbers, need fast, accurate estimates?