RDA Consulting

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RDA Consulting We provide expert independent environmental and geotechnical advice. RDAgritech Limited (trading as RDA Consulting)

A few times each year, the RDA team takes the opportunity to get together, catch up and spend some time learning and dev...
21/10/2026

A few times each year, the RDA team takes the opportunity to get together, catch up and spend some time learning and developing as a team.

Recently, we headed to Te Anau for a day of shared learning, good conversations and a few laughs along the way.

We also made time for a visit to the Te Anau Glowworm Caves with RealNZ, which was a great outing and a nice way to round off our time together.

Always good to get everyone together and enjoy a change of scenery!

21/10/2026

Here is Steve from RDA consulting down to collect another one of there Tritons to add to the RDA fleet.

Here at RDA we Plan, Action and DeliverOur Planning, Civil and Geotechnical teams work together to provide practical adv...
21/10/2026

Here at RDA we Plan, Action and Deliver

Our Planning, Civil and Geotechnical teams work together to provide practical advice throughout your development process, helping you make informed decisions from the outset.

We strive to support your ideas above ground — but have you considered what might be beneath the surface?

Unexpected costs can be part of any development but by providing fast, quality advice for your design RDA will keep you up to date, saving costs in the long term.

Whether you’re building a new home, subdividing or undertaking a larger development, there’s often more to consider than what’s shown on the plans.

Ground conditions, site constraints and engineering requirements can all influence how a project progresses. Through careful planning and investigating, unexpected changes can be resolved once work gets underway.

Understanding your site and its potential constraints early will help reduce uncertainty, manage costs and avoid unnecessary delays.

Considering a project? Get in touch with our team to discuss what’s involved.

📞 0800 732 474 | ✉️ [email protected] | 🔗 rda.co.nz

New project on the horizon?Whether you’re looking at a new building, an extension, earthworks, a change in land use or s...
15/10/2026

New project on the horizon?

Whether you’re looking at a new building, an extension, earthworks, a change in land use or subdivision, it pays to understand the planning requirements before getting too far down the track.

Planning rules can vary depending on where your property is located and the scale and nature of the proposal.

RDA Consulting can review your proposal, identify whether resource consent may be required and help manage the process with the relevant council - contact us today

📞 0800 732 474 | ✉️ [email protected] | 🔗 rda.co.nz

Slope StabilityA slope stability geotechnical investigation is undertaken where sloping ground, existing instability or ...
30/09/2026

Slope Stability

A slope stability geotechnical investigation is undertaken where sloping ground, existing instability or proposed earthworks may affect the safety or suitability of a development. The assessment typically considers slope geometry, soil and rock conditions, groundwater and drainage, evidence of past or active movement, and the potential effects of excavation, filling or retaining structures.

The findings help identify potential slope-related risks and provide recommendations to support safe development of the site. Where issues are identified, appropriate measures such as drainage improvements, retaining structures, earthworks, slope regrading or other stabilisation works can be considered. Identifying these issues early can reduce construction risk and allow remediation or design changes to be incorporated before work begins.

Slope stability assessments may also be required to support Resource or Building Consent applications, address Council requests for further information, or satisfy consent conditions relating to land instability, earthworks or natural hazards. Depending on the complexity of the site, investigations may range from a site walkover and shallow testing through to deeper investigation, monitoring or detailed stability analysis.

At RDA Consulting, our local experience helps us provide practical geotechnical advice suited to the site, proposed development and consent requirements. If you are planning work on or near sloping ground, or have concerns about existing slope movement, get in touch with our team to discuss your project.

📞 0800 732 474 | ✉️ [email protected] | 🔗 rda.co.nz

Shallow Soils InvestigationA shallow soils geotechnical investigation is commonly undertaken for residential development...
24/09/2026

Shallow Soils Investigation

A shallow soils geotechnical investigation is commonly undertaken for residential developments such as new homes, extensions and garages to assess whether the near-surface ground conditions are suitable for the proposed development. The investigation typically considers soil type, bearing capacity, groundwater conditions and the presence of unsuitable materials such as topsoil, soft soils or uncontrolled fill.

The findings help confirm suitable founding conditions and provide geotechnical recommendations for foundation design, earthworks and site preparation. Identifying ground-related issues early can reduce construction risk and allow appropriate remediation or alternative foundation solutions to be considered before building work begins.

Geotechnical information may also be required to support Building Consent applications, demonstrate compliance with relevant Building Code requirements, or respond to Council requests for further information and consent conditions. Where shallow investigations identify more complex ground conditions or natural hazard concerns, further or deeper investigation may be recommended.

At RDA Consulting, our local experience helps provide practical geotechnical advice suited to the site, proposed development and consent requirements. If you’re planning a new build, extension or other residential development, get in touch with our team to discuss your project.

📞 0800 732 474 | ✉️ [email protected] | 🔗 rda.co.nz

Water safety plansDid you know that if you supply water to people or properties for drinking that you are a drinking wat...
22/09/2026

Water safety plans

Did you know that if you supply water to people or properties for drinking that you are a drinking water supplier and have to follow certain Water Services Authority requirements? If you are unsure, we can assist with reviewing your supply and preparing water safety plans or other guidance depending on your situation.

📞 0800 732 474 | ✉️ [email protected] | 🔗 rda.co.nz

Based in Southland and Otago, we’re a diverse team passionate about delivering smart, innovative solutions for environme...
01/07/2026

Based in Southland and Otago, we’re a diverse team passionate about delivering smart, innovative solutions for environmental, civil, and geotechnical challenges.

Have a project in mind? Let’s chat — we are here to help.
📞 0800 732 474 | ✉️ [email protected] | 🔗 rda.co.nz"

Address

23 Forth Street
Invercargill
9810

Opening Hours

Monday 9am - 5pm
Tuesday 9am - 5pm
Wednesday 9am - 5pm
Thursday 9am - 5pm
Friday 9am - 5pm

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