Business South September 2026

| 27 RDA Consulting REGIONAL Civil Works Sub-divisions Transport Demolition Recycling Siteworks www.hallbros.co.nz (03) 477 1141 Thank you to RDA Consulting for their support over the last few years. Jennian Homes Southland | jennian.co.nz T T Kim Newth Helping to shape the future RDA delivers quality integrated solutions that are shaping better outcomes for people, places and projects across the South Island. RDA Consulting was founded in 2012 on a vision to shape the future as a trusted leader in civil and geotechnical engineering and environmental consulting. That vision continues to drive the company’s evolution as a responsive engineering consultancy, delivering quality integrated solutions that are shaping better outcomes for people, places and projects across the South Island. Based out of Invercargill and Oamaru, with satellite offices in Milton, Mosgiel and Central Otago, RDA Consulting is strategically positioned for ongoing growth in Otago and Southland. Their experienced team of engineering geologists, civil engineers and environmental consultants combine technical excellence with practical problem solving to deliver customised solutions that reduce project risk and ensure successful outcomes. “We are an eight-strong team working across the South Island, and we all work together to get the job done,” says Stephen Black, operations manager RDA Consulting, who also leads the company’s business development planning. “We’re well-equipped and mobile to bring the right skills into play, where and when needed, to achieve tailored and sustainable solutions.” RDA’s team, which includes recent graduates, is supported with a development programme to hone both practical technical expertise and the softer skills needed to manage projects and communicate well with clients. Trusted partnerships are a bedrock of the business – as well as exceptional relationships with planners, developers and building companies, RDA Consulting has a strong network of external service providers throughout the South Island to work alongside the team and support special project needs. Core capabilities for RDA are: Geotechnical engineering - soil-bearing capacity assessments, natural hazard (slope stability and liquefaction) assessments, subdivision geotechnical services, construction monitoring, earthworks and structural fill certification. Civil engineering - residential and commercial site development, stormwater systems, wastewater systems, erosion and sediment control, consent engineering support, subdivision infrastructure and effluent pond design. Environmental/planning - farming compliance and consents, effluent pond drop tests and storage calculations, structural integrity assessments, discharge and water take consents, land use consents and land development. “Our key sectors are residential, industrial and commercial development, including subdivisions along with farming and supporting rural needs for consenting and compliance,” says Stephen. “We also do drinking-water safety plans, for example. for schools drawing off bore water, to make sure they are compliant.” With the approach of spring, the RDA team will be busy in the dairy sector undertaking effluent pond drop tests and visual inspections to ensure ponds are compliant for consent renewals. Over the past five years, RDA Consulting has provided quality solutions for various high- profile projects, such as Scapegrace Distillery in Cromwell, where the team delivered civil infrastructure design for pavements, wastewater and stormwater, along with construction monitoring and sign-off. At the Northlake premier residential development in Wānaka, RDA Consulting delivered geotechnical services across multiple stages, and provided construction monitoring and certification as well as providing earth-fill validation and final completion reports to Queenstown Lakes District Council. Another major project, still ongoing, has drawn on RDA’s expertise in geotechnical investigation, construction and industry collaboration, and involves a multi-storey car park and accommodation development on Hansen Road in Queenstown.

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