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We were commissioned by Mirvac Queensland Pty Ltd to undertake civil engineering design and documentation, project coordination, construction certification, project management and superintendency and contract administration services for the Everleigh Residential Development at Greenbank, Qld.
Our team developed a whole-of-site design for 3,451 lots, supported cost planning, 3D design reviews, an Estate Standards Manual and an integrated stormwater strategy to support long-term project delivery.
At a glance
- We provided civil engineering design and documentation, project coordination, construction certification, project management and superintendency and contract administration services.
- Our team developed a preliminary whole-of-site design for 3,451 lots.
- We developed a proprietary cost planning tool to produce a detailed Opinion of Cost.
- Client design reviews were implemented using a 3D model.
- Our team developed an Estates Standards Manual and a whole-of-site stormwater strategy.
Balancing long-term residential growth with complex stakeholder and environmental requirements
We were commissioned to support the Everleigh Residential Development in Greenbank, Queensland, through civil engineering design and documentation, project coordination, construction certification, project management and superintendency, and contract administration.
The challenge was delivering a large-scale residential development with a long delivery timeframe of more than 10 years, while maintaining consistency in standards, decision-making and staging over the life of the project. Mirvac’s development team also had a high level of technical literacy and project engagement, which required a detailed and considered design and management approach.
The project involved additional complexity in the approvals and asset ownership environment. The supplied information identifies Brisbane City Council as the local authority, while the project narrative also refers to EDQ approval requirements and Logan City Council ultimately owning the assets. This created a need to carefully manage authority requirements through the design and delivery process.
The site itself also presented environmental challenges, with high-value conservation areas and waterways requiring careful stormwater and environmental management across a development of this scale.
Early planning and design validation supported informed decision-making
Our team adopted a customer-centric approach aligned with Mirvac’s strategy for Everleigh and tailored its design development process to the client’s high level of technical engagement.
We prepared a preliminary whole-of-site design for the 3,451-lot community, including key services such as water, sewer and stormwater, together with road strings. This went beyond a standard bulk earthworks approach and enabled earthworks contours and grades to be validated early, helping identify design and construction constraints.
To support delivery planning, we developed a proprietary cost planning tool to produce a detailed Opinion of Cost and provide a baseline for assessing design and sequencing decisions. We also developed an Estate Standards Manual to consolidate technical standards, approval conditions and authority requirements, supporting consistency over the long life of the project.
A collaborative 3D design review process was implemented, particularly for earthworks and retaining walls, to help Mirvac visualise the end product and provide feedback during design development. Our experts also developed a whole-of-site stormwater strategy, including an automated treatment train to capture water for reuse within the project. In addition, a proactive approach to engagement with Logan City Council helped support effective coordination throughout the project.
A collaborative, whole-of-site approach delivered lasting benefits
The project delivered a range of operational, environmental and commercial benefits that supported successful long-term delivery:
- Whole-of-site design informed the Opinion of Cost, delivery strategy and project decision-making.
- Early and future works alignment helped reduce the need for re-work and upgrades to constructed works.
- Estate Standards Manual improved design consistency and supported timely approvals.
- Long-term knowledge retention was improved across a project expected to run for 10+ years.
- 3D design reviews helped Mirvac understand the site presentation and make earlier design changes.
- Lot pricing and revenue decisions were better supported through clearer design visualisation.
- Stormwater capture and reuse reduced reliance on potable water.
- Environmental and cost benefits were achieved through the integrated stormwater strategy.
- Proactive Logan City Council engagement reduced approval times and handover risk.