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We specialize in identifying and analyzing natural hazards to keep your projects safe and secure.

Our expertise includes deep soil testing and advanced analysis using Cone Penetration Testing (CPT), giving you reliable insights for safer, smarter development.

Whether you're planning a new development or assessing existing structures, our expert team is here to provide the insights you need to build with confidence.

📩 Contact us today to learn more about how we can support your next project
📞 0800 732 474 | ✉️ [email protected] | 🔗https://rda.co.nz

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Geotechnical reports are a crucial step to ensuring your land is stable, safe, and compliant, preventing costly issues down the track. Our experts conduct subsurface investigations for new builds and extensions to satisfy council building consent conditions.

Included in our report are recommendations for foundation design and site constraints.
Start your project the right way—get in touch!

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

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🌱 Resource consents don’t have to be complicated!

Our team is here to help simplify the process and guide you every step of the way. Whether you are building, farming, or developing, we ensure you meet all requirements without the stress.

We are here to help!
📞 0800 732 474 | ✉️ [email protected] | 🔗 rda.co.nz

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Mark joined RDA in June 2022. After completing his Diploma in Civil Engineering at Otago Polytechnic he has worked for numerous civil construction and engineering consultancy companies as well as local authorities both in New Zealand and Australia.

Since settling in Invercargill, Mark has worked with both the Invercargill City and Southland District Councils undertaking infrastructure design and project management work, mainly around Three Waters, which included the first stage of the Branxholme water supply mains duplication.

Mark looks forward to using his knowledge and experience at RDA to assist clients in achieving their desired outcomes. ... See MoreSee Less

Don't Leave It Until It’s Too Late!

Pond Drop Test season is here—make sure your pond is leak-free and council compliant before it becomes a bigger problem. Our precise testing and detailed visual inspections help protect your water resources and give you peace of mind.

📞 Call us on 0800 732 474
✉️ [email protected]
🔗 Visit rda.co.nz

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Protect Your Farm’s Future with the Right Resource Consent 🌱✅

Having the correct resource consent isn’t just about meeting regulations—it’s about securing the long-term success of your farm. Staying compliant helps protect your land, water, and business while mitigating risks for future renewals.

If you are dairy farming in the Otago region, you need to comply with the Regional Water Plan. Some farms, generally those with limited effluent storage, should have already applied for their resource consents. The application deadline for all other dairy farms is 4 December 2025. Depending on your farm set up, you will probably need to get consents for effluent storage, effluent discharge to land and water take (for shed washdown water).

ORC have some useful FAQs here ➡️https://www.orc.govt.nz/environment/land-care/managing-nutrients/effluent-management/

By managing your consent properly now, you can avoid unexpected setbacks and keep your farm running smoothly for years to come. Need guidance? Our team is here to help!

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

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