Ground Testing NZ | Cone Penetration Testing (CPT) in New Zealand

Why Choose Ground Testing NZ?

We bring precision, professionalism, and cutting-edge technology to every soil investigation.

Expertise in CPT

Our specialisation in Cone Penetration Testing ensures your project is built on trustworthy, high-quality geotechnical data.

State-of-the-Art Technology

Equipped with the advanced TG63 Pagani CPT rig, we set the benchmark for accuracy and efficiency in soil testing.

Wide Service Area

Proudly serving the entire North Island — from Hamilton and Waikato to Tauranga and beyond.

What is Cone Penetration Testing?

The cone penetration test (CPT) is one of the most widely accepted and reliable methods for soil investigation in geotechnical engineering. It detects subsurface soil properties and helps delineate soil stratigraphy with high precision.

During a CPT, a cone penetrometer is pushed into the ground at a constant rate of 20 mm/s using a series of rods. Sensors measure cone tip resistance (qc), sleeve friction (fs), and total penetration resistance every 20 cm, providing continuous, real-time data.

This method delivers fast, accurate results with minimal site disturbance — making it ideal for engineering projects requiring dependable subsurface data.

Our CPT Services

We offer comprehensive Cone Penetration Testing services tailored to your project needs across New Zealand.

Static CPT

High-precision static cone penetration testing using advanced rig systems for reliable soil profiling.

Soil Testing NZ

Nationwide soil investigation services with real-time data delivery and expert interpretation.

CPT Hamilton

Fast, responsive CPT services in Hamilton and surrounding Waikato regions.

CPT Waikato

Comprehensive ground testing solutions across the Waikato region with minimal downtime.

CPT Tauranga

Reliable, on-site CPT testing in Tauranga and Bay of Plenty with rapid turnaround.

Advanced Data Reporting

Receive detailed, easy-to-interpret reports with visualisations and engineering insights.

Rapid Deployment

Our mobile rig allows for quick setup and efficient testing, reducing project delays.

Challenging Terrain Access

With tracked mobility and stabilisers, we operate on steep slopes and difficult sites.

Our CPT Rig

The TG63 Pagani CPT machine is at the heart of our operations. It delivers exceptional performance in both static and dynamic in-situ testing.

Semi-automatic anchoring system – operable by a single technician
Tracked mobility for access to tough terrains
Three stabilisers and reclinable mast for vertical accuracy on slopes
Drastically reduced test times compared to traditional methods

Meet Our Team

A dedicated team of professionals committed to excellence in geotechnical testing.

Wendy

Project Coordinator

Ensures seamless communication and scheduling for every CPT project.

Pat

Field Technician

On-site expert with years of experience in CPT operations and data collection.

Field Specialist

CPT Operator

Skilled in operating the TG63 Pagani rig with precision and safety.

Our Service Promise

Responsive

We respond quickly and adapt to your project timeline. Communication is key — we listen and act fast.

Accurate

Every data point is verified. We deliver precise, reliable geotechnical results you can trust.

Professional

From first contact to final report, we maintain the highest standards of professionalism.

Brand Promise Guarantee: If we fail to meet these standards, your next CPT is on us.

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Cone Penetration Testing NZ