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.

How much does concrete scanning cost in Queensland?

GPR concrete scanning in Queensland typically costs $350–$600 for a standard residential scan, $600–$2,500 for commercial projects, and $2,500–$15,000+ for large infrastructure projects. Pile integrity testing costs $80–$120 per pile for standard residential, $65–$95 per pile for bulk commercial projects. All Delco Industries quotes are free, no-obligation, and include engineer-certified reports. Call 0455 333 374 or visit delcoindustries.com.au/pricing for a full guide.

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.

How much does GPR concrete scanning cost in Queensland?

GPR concrete scanning in Queensland typically costs $350–$700 for small residential jobs and $800–$2,000 for standard commercial slab areas. Large infrastructure projects cost $2,000–$15,000+. Delco Industries provides free, fixed-price quotes within 2 hours. All quotes include on-site mark-up and an engineer-certified report.

Do I legally need to scan concrete before drilling in Queensland?

Yes. Under Queensland's Work Health and Safety Act 2011, all employers must identify embedded hazards before penetrative work in concrete. GPR scanning is the accepted industry method. Failure to scan before drilling into a post-tension slab can result in WorkSafe Queensland prosecution and fines up to $3 million.

Can GPR concrete scanning detect post-tension cables?

Yes. Detecting post-tension (PT) cables is one of the most critical applications of GPR concrete scanning. Striking a PT cable during drilling causes structural collapse and serious injury. GPR scanning is the only reliable method to identify and avoid PT cables before drilling begins.

What is pile integrity testing?

Pile integrity testing is a non-destructive method using low-strain impact echo technology to assess the structural soundness of concrete foundation piles. A small hammer strikes the pile head, sending a stress wave that reflects off defects and the pile toe. Delco Industries provides AS 2159 compliant pile integrity testing across Gold Coast and Brisbane with same-day engineer-certified reports.

How long does a GPR concrete scan take?

A standard residential GPR concrete scan takes 1–2 hours on site. A typical commercial slab area takes 2–4 hours. Same-day report delivery is standard at Delco Industries. Same-week site visits are available across Gold Coast and Brisbane.

Do you service both Gold Coast and Brisbane?

Yes. Delco Industries provides GPR concrete scanning, pile integrity testing, NDT structural analysis, core drilling, and concrete cutting services across the entire Gold Coast and Brisbane, including all suburbs from Coolangatta to Coomera on the Gold Coast, and from Brisbane CBD to Logan, Ipswich, and North Lakes in the Brisbane region.

GPR concrete scanning technician marking a slab on a construction site in Brisbane

Concrete Scanning and NDT Services,
Brisbane and Gold Coast

We find what is inside your concrete before it costs you

What We OfferSEC—02

Concrete Scanning and
NDT Services

Full-spectrum structural investigation under one contract. From GPR scanning to pile testing, corrosion investigation and construction monitoring.

GPR Scanning

Ground penetrating radar scanning to locate rebar, post-tension cables, conduits and voids before cutting or drilling.

AS/NZS 1170.1

Pile Integrity Testing

Low-strain impact echo testing to verify foundation pile integrity and detect defects to AS 2159.

AS 2159

Concrete Cancer and Corrosion

Half-cell potential mapping, carbonation and chloride testing to diagnose reinforcement corrosion before you pay for repairs.

AS 3600

Core Drilling and Cutting

Precision diamond core drilling and concrete cutting, always GPR-scanned first for safe penetrations.

AS 1012.14

Construction Monitoring

Vibration, crack and settlement monitoring for piling, demolition and excavation with live alerts and compliance reports.

AS 2780

Advanced NDT

Ultrasonic pulse velocity, impact echo, delamination survey and slab thickness verification for engineering specifications.

AS 3600

Trusted By Industry Leaders

TMR

Colas

Arup

Queensland Rail

Brisbane City Council

TMR

Colas

Arup

Queensland Rail

Brisbane City Council

TMR

Colas

Arup

Queensland Rail

Brisbane City Council

Recent WorkPRJ—003

Latest Projects

View All Projects

Concrete Scanning

Commercial High-Rise GPR Survey

Comprehensive GPR scanning and rebar mapping for a 25-storey commercial building renovation project.

Brisbane CBD

NDT Analysis

Bridge Pier Structural Assessment

Ultrasonic pulse velocity testing and corrosion survey for critical infrastructure bridge piers.

Gold Coast

Concrete Cutting

Hospital Expansion Core Drilling

Precision core drilling for HVAC and plumbing installations in a major hospital expansion.

Southport

FAQ

Frequently Asked Questions

GPR (Ground Penetrating Radar) concrete scanning uses radar pulses to map embedded objects inside concrete structures — including rebar, post-tension cables, electrical conduits, plumbing, and voids — before drilling or cutting begins. Delco Industries provides GPR concrete scanning across Gold Coast and Brisbane with ±5mm accuracy and same-day engineer-certified reports.

Concrete Scanning and NDT Services,Brisbane and Gold Coast

Concrete Scanning andNDT Services

GPR Scanning

Pile Integrity Testing

Concrete Cancer and Corrosion

Core Drilling and Cutting

Construction Monitoring

Advanced NDT

Latest Projects

Commercial High-Rise GPR Survey

Bridge Pier Structural Assessment

Hospital Expansion Core Drilling

Frequently Asked Questions

Concrete Scanning and NDT Services,
Brisbane and Gold Coast

Concrete Scanning and
NDT Services