The Company

About 6D Civil

Built around the sixth dimension - people, systems and delivery discipline.

Our Story

The 6D Difference

Emmett and James have worked together for well over a decade, delivering a broad mix of major infrastructure and land development projects across South East Queensland, NT, Central Queensland, and Northern New South Wales.

This long-running partnership forms the backbone of 6D Civil - combining hands-on capability with structured delivery systems and a shared understanding of what it takes to get the job done properly.

Since starting 6D Civil in 2017, they've grown a company that values planning, clear communication, and accountability. Every job is approached with respect for the delivery model, site conditions, and client priorities - because no two projects are the same, and good contracting means adapting without compromising on quality.

The Dimensions

Why the Sixth?

In construction, every dimension adds clarity. But only one makes things happen.

The Drawing

Lines on paper. Plans, sections, details. Every project starts here - but a drawing never built anything.

The Model

Depth. Clash detection. Spatial coordination. The model shows you what it looks like - not how it gets done.

The Program

Time. Sequencing. Milestones. A program tells you when things should happen - if everything goes to plan.

The Budget

Cost. Quantities. Rates. The budget says what it should cost - not what it will cost when plans change on site.

The Crew

People. Systems. Delivery discipline. The sixth dimension is what turns drawings, models, programs and budgets into roads, pipes, and subdivisions. It's the dimension that actually builds.

Leadership

Our Team

Emmett O'Manacháin
Director / General Manager

Senior-level engineering oversight across all works, pre-contracts, business administration and business development. 20+ years' experience across TMR and civil infrastructure projects with deep working knowledge of SEQ authority requirements and subdivision delivery.

James Appleyard
Director / Operations Manager

20+ years' hands-on operations leadership across subdivision and pipeline delivery. Manages crews, plant logistics and site coordination to ensure every project runs to program.

ISO-Aligned Management Systems
Est. 2017
More. Than. Capable.

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