What is GPR concrete scanning and why do I need it?

GPR (Ground Penetrating Radar) concrete scanning uses electromagnetic pulses to map the internal structure of concrete — locating rebar, post-tension cables, conduits, and voids — before any cutting or drilling. It is essential to avoid striking post-tension cables (which can cause catastrophic structural failure and injury), hitting electrical conduits, or damaging other embedded services. Delco Industries provides GPR scanning across Gold Coast and Brisbane with ±5mm accuracy and same-day reporting.

What is pile integrity testing (PIT)?

Pile Integrity Testing (PIT) is a non-destructive test that uses low-strain impact echo technology to evaluate the structural soundness of foundation piles. A small impulse is applied to the pile head, and the reflected wave signature reveals defects such as necking, cracking, bulging, or voids. Delco Industries performs AS 2159-compliant pile integrity testing across Gold Coast, Brisbane, and Queensland, testing 20+ piles per day with engineer-certified reports delivered within 48 hours.

Do I need to scan concrete before drilling or cutting?

Yes — scanning before any concrete drilling or cutting is critical and legally required under safe work practices. Post-tension cables are under immense pressure (typically 150–200 tonnes) and if severed can cause explosions, serious injury, and structural collapse. Electrical conduits in concrete can cause electrocution. GPR scanning by Delco Industries takes as little as 30–60 minutes for most residential jobs and eliminates all these risks before work begins.

Where does Delco Industries operate?

Delco Industries is based on the Gold Coast and operates across all of South East Queensland including Gold Coast, Brisbane, Logan, Ipswich, Sunshine Coast, and Toowoomba. We also service regional Queensland (Townsville, Cairns, Rockhampton, Gladstone) and deploy nationally to Sydney, Melbourne, Perth, Adelaide, Darwin, and Canberra for major infrastructure projects. Call 0455 333 374 for same-week availability.

What standards does Delco Industries comply with?

Delco Industries operates to Australian Standards including AS 2159 (Pile Testing), AS 3600 (Concrete Structures), AS/NZS 1170.1 (Structural Design Loads), AS 1012.14 (Core Testing), and ASTM C1383 (Impact Echo Testing). All reports are engineer-certified and accepted by structural engineering firms, insurance companies, and government bodies across Australia.

How quickly can Delco Industries attend my site?

Delco Industries offers same-week site visits across Gold Coast and Brisbane for most projects. Urgent callouts are also available. For large infrastructure projects or interstate deployments, lead times of 3–7 days apply. Free no-obligation quotes are provided within 2 hours of inquiry. Call 0455 333 374 or submit an online quote request.

What is concrete cancer and how is it assessed?

Concrete cancer (also known as concrete spalling) occurs when embedded steel reinforcement corrodes, expanding and cracking the surrounding concrete. Delco Industries performs comprehensive concrete cancer assessments using visual inspection, cover meter surveys, half-cell potential testing, carbonation depth measurement, and chloride content testing. We deliver detailed reports with remediation strategies and cost estimates — essential for strata buildings, balconies, car parks, and coastal structures in Queensland.

Knowledge Base · Updated June 2026

Concrete Scanning &
NDT Resource Hub

Expert technical guides written by Delco Industries' structural and civil engineering team. Everything engineers, builders, and project managers need to know about GPR scanning, pile integrity testing, and NDT services in Queensland.

Featured Guides

GPR Scanning 8 min readJune 2026

What Is GPR Concrete Scanning? Complete 2026 Guide

GPR (Ground Penetrating Radar) concrete scanning uses radar pulses to map embedded objects inside concrete — rebar, PT cables, voids, and conduits — before you drill or cut. Complete guide for engineers and builders.

Read Guide

Safety & Compliance 6 min readMay 2026

Why You Must Scan Concrete Before Drilling or Cutting

Drilling blind risks striking post-tension cables (catastrophic structural failure), live electrics, and plumbing. Queensland WHS law requires identification of all hazards first. What every builder and contractor needs to know.

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Pile Integrity Testing 7 min readApril 2026

What Is Pile Integrity Testing? Complete Guide for Engineers

Pile Integrity Testing (PIT) uses low-strain impact echo technology to assess concrete foundation piles for defects — necking, cracks, voids — before structural loads are applied. AS 2159 compliant guide.

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All Resources

Engineering10 min read · March 2026

GPR Concrete Scanning for Structural Engineers: A Practical Guide

How structural engineers specify and use GPR scanning, NDT, and pile testing in Queensland projects. Includes AS/NZS specification clauses, report formats, BIM integration, and compliance requirements.

Pricing5 min read · February 2026

How Much Does Concrete Scanning Cost in Queensland? 2026 Guide

Full 2026 pricing guide for GPR concrete scanning, pile integrity testing and NDT services in Queensland. Residential to infrastructure project costs, with what's included in each quote.

GPR Scanning6 min read · January 2026

GPR vs Traditional Rebar Locators & Concrete X-Ray: Full Comparison

Detailed comparison of GPR scanning vs rebar locators (covermeter), concrete X-ray, and other scanning methods. Which is best for your project type, budget, and accuracy requirements?

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Gold CoastBrisbaneLoganIpswichSunshine CoastToowoombaCairnsTownsville

Written & reviewed by Darren Lee — Director, Delco Industries

25+ years structural and civil engineering experience. 5,000+ GPR concrete scanning, NDT, and pile integrity testing projects across Queensland and internationally. All guides are reviewed for accuracy and compliance with current Australian Standards.

About Darren Lee & Delco Industries →

Concrete Scanning &NDT Resource Hub

Featured Guides

What Is GPR Concrete Scanning? Complete 2026 Guide

Why You Must Scan Concrete Before Drilling or Cutting

What Is Pile Integrity Testing? Complete Guide for Engineers

All Resources

GPR Concrete Scanning for Structural Engineers: A Practical Guide

How Much Does Concrete Scanning Cost in Queensland? 2026 Guide

GPR vs Traditional Rebar Locators & Concrete X-Ray: Full Comparison

Need GPR Scanning?

Our Services

Service Areas

Concrete Scanning &
NDT Resource Hub