Concrete structure non-destructive inspection and detection specialists to Consulting Engineers, and the construction and civil industries in Auckland, Wellington and Christchurch

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Some of our Projects

Ngaio Gorge

January 26th, 2017

We were asked to test three piles at the Ngaio Gorge in Wellington. The client needed Pile Integrity Tests to gather information about the recently poured concrete piles as a means of quality assurance. This was a prerequisite for the construction of a new retaining wall.

Wellington Apartments

January 26th, 2017

CSI were recently requested to check the quality of the pile pour at a Wellington apartment development. The following case study details the project requirements, solution and key results and benefits for the client using our pile integrity testing services.

Textile Centre

June 1st, 2016

Working on this heritage building located in Auckland, NZ was our largest job to date. We worked on this project for months doing extensive and detailed investigations. Working early mornings and late nights, this was a challenging yet rewarding project.


What our Clients say about us


As requested, the workers from CSI ltd contacted this office on arrival at the site and invited me (Kevin J Heays) to site visit and get an understanding of the intended works. I was impressed with the workers knowledge of...

Kevin Heays (ECANZ)

Ian Smith Project Services Limited (ISPS) have engaged Concrete Structures Investigations Ltd (CSI) for the scanning and investigation of commercial structures with varying challenges in Wellington and Auckland. CSI have always met all our expectations and provided reliable advice on...


The CSI team were great and they did a good job for us. They were employed to complete QA on a Wellington Apartment Development using Pile Integrity Testing. We would recommend CSI to others in the future.

Richardson Drilling

CSI did a good job for us at an Auckland Apartment building; saving our team from drilling through services which would have caused considerable delays. We would recommend CSI to others for scanning

Allendale Electrical

CSI provided a great service. We could not advise them on areas of improvement as their service was highly professional.

Wilson Building

Our engineers recommended CSI to us and rightly so. They provide an excellent and timely service.

Buildform Ltd

A large construction company recommended CSI to me and I was not disappointed. They are a highly professional organisation.

Maree Le Comte

CSI Ltd were recommended to us by our Structural Engineer. They did a great job and we would definitely recommend them to others.

Artisan Developments Ltd

CSI have completed several jobs for us. They are highly skilled operators.

Tracer Construction


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