what we do

Engineering Services

We deliver coordinated building services design across five engineering disciplines, plus a suite of general services that support projects from concept through construction. Everything happens in-house — which means tighter coordination, faster turnaround, and a single point of accountability for your project.

Hydraulic Engineering

Water, sanitary, gas and trade waste systems — designed for reliability and compliance. Potable and non-potable water, blackwater, greywater, sewerage pump-out, natural gas and LPG systems.
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Stormwater Engineering

From roof gutters to on-site detention and WSUD compliance. DRAINS and MUSIC modelling, siphonic and conventional rainwater systems, stormwater quality control and subsoil drainage.
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Fire Protection Engineering

Wet and dry fire systems designed to AS standards and FPAS-accredited. Hydrants, sprinklers, FPAA systems, ESFR, deluge, hose reels, alarm and detection, EWIS and VESDA.
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Electrical Engineering

Power supply, lighting, telecommunications and security. Main switchboard design, SLDs, GPO and lighting layouts, emergency and exit lighting, lightning protection, CCTV, access control and intercom.
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Mechanical Engineering

HVAC, ventilation, refrigeration and BMCS. Detailed load analysis, DX/VRF, chilled water, central plant, car park and commercial kitchen ventilation, stairwell pressurisation and energy efficiency upgrades.
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General Engineering

Beyond design, we provide expert support across the life of your project:

  • Services infrastructure reports — utility assessment and connection strategy

  • Services engineering spatials — multi-discipline coordination mark-ups

  • Peer reviews — independent drawing and design reviews

  • Site inspections, due diligence and expert witness reports

  • Value engineering — cost-effective, buildable alternatives

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Our deliverables

We deliver in 2D AutoCAD or fully coordinated Revit 3D with BIM — to whatever level your project requires. 

Presentation matters: our drawings are clear, consistent and easy to reference on site.
Let's talk about your project

Tell us the scope, the stage, and the deadline — we'll come back to you with a clear fee proposal.

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Our professional engineering team are fully accredited practitioners. We offer certified design packages for each engineering discipline, including expert design submissions to the NSW Fair Trading Design & Building Practitioners Portal. At JREG, compliance isn't a checkbox—it’s our standard.
Servicing the Central Coast, Sydney, Newcastle and beyond.

Get in touch at info@jreg.com.au

© JR Engineering Group,
All Rights Reserved

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