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Hydraulic Shop Drawings & Estimating Built for Plumbers Contractors

Services designed to empower plumbing contractors – precise shop drawings, accurate estimating, and comprehensive manuals.

What You Can Expect

Real-World Experience on Every Page
Our team combines engineering precision with field-tested knowledge, so every drawing you receive is compliant—and buildable.

Straightforward, No-Nonsense Documentation
No clutter, no confusion. Just dependable plans that let your team install with confidence.

Seamless Coordination & Regulation Compliance
Whether it’s hydraulic, fire services, stormwater, or gas, our drawings are built to align with local council standards and mitigate clashes before they happen.

hydraulic shop drawings
Hydraulic Drawings

From Initial Estimating to Final Handover - Our Comprehensive Service Suite

We provide end-to-end hydraulic design and documentation, ensuring every stage of your project is coordinated, compliant, and cost-effective:

  • Sewer & Sanitary Drainage Design

  • Stormwater & Civil Drainage Design

  • Hot, Cold & Non-Potable Water Design

  • Gas System Design

  • Fire Hydrants and Hose Reels

  • Coordination with Other Services

  • Coordination with Structural Elements

  • 3D Revit & 2D AutoCAD Documentation

  • Legends, Specifications & Compliance Notes

  • Value Management & Cost-Saving Strategies

  • Performance Solutions

  • Seamless Documentation Flow
    A fully integrated process covering Estimates → Shop Drawings → As-Builts → O&M Manuals to ensure accuracy and efficiency from start to finish.

End-to-end plumbing documentation Estimates → Shop drawings → As-Builts, Fire Block Plans → O&M manuals - delivered seamlessly.

Estimating

Need quick, reliable estimates? We provide fast, cost-effective hydraulic quoting services for plumbers across Australia. Get in touch to see how we can help.

Shop Drawings

We deliver detailed, compliant, and fully coordinated designs that give your site team confidence to move forward. Our focus is on cost-effective solutions that meet all project specs and codes.

Penetration Drawings

Clear, accurate penetration drawings showing all fire collar locations and cast-in slab pipework — minimising clashes and ensuring smooth coordination on-site.

Fire Block Plans

Compliant Fire Block Plans tailored to your project. We liaise with firefighting authorities to ensure drawings are accurate, approved, and easy to interpret in an emergency.

As-Built Drawings

Accurate As-Built drawings that reflect all on-site plumbing changes for reliable records and future maintenance. Just send us your red-line markups — we’ll handle the rest.

O&M Manuals

Final documentation that captures all on-site plumbing changes, ensuring accurate records for maintenance and compliance. Simply send through your red-line markups — we’ll return clear, compliant As-Built drawings.

From Conception to Completion: Your Partner in Project Delivery

At MJI Design, we take the complexity out of plumbing project documentation. Our role is to make the process efficient, seamless, and reliable – supporting you from initial design through to final handover.

Our documentation is more than just drawings; it’s a set of practical, buildable solutions your team can depend on. Every detail is clear, fully compliant, and crafted with a deep understanding of how projects operate on-site.

Why Choose MJI

At MJI Design, we do more than just draft, we bring real project insight to every drawing. Here’s what sets us apart:

  • We are on site, not just behind a screen. Our team has real-world plumbing and construction experience, so we understand how things actually work on the ground, not just on paper.
  • We know the pressure of live projects. Tight deadlines, last-minute changes, council approvals, our process is built to support the realities of fast-moving construction timelines.
  • We combine practical know-how with technical accuracy. You get drawings that are not only compliant with Australian codes but also buildable, cost effective and easy for your team to follow.
  • We think ahead to avoid costly mistakes. Our documentation is designed to spot clashes early, reduce rework, and support smoother installation from day one.
  • Reliable from start to finish. Whether it’s early-stage estimating or final as-builts, we deliver accurate, consistent work, on time, every time.

 

We care about our clients’ success. Our goal is to make your job easier and your projects more profitable.

Need compliant drawings or estimates fast?

Industry-leading plumbing design and estimating.

Get in touch

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