Delivering inspection and integrity services for mining operations and mineral processing facilities, including radiography, ultrasonic testing, hardness testing, and corrosion monitoring. Project experience includes Richards Bay Minerals, First Quantum Mining, Lucara Diamonds' Karowe Mine, Foskor, Bushveld Minerals, and Vametco Alloys.
Our Experience in the Mining Industry
2003
De-Tect Unit Inspection continued to expand its footprint across multiple industrial sectors, securing an ultrasonic shutdown contract at the Sasol plant in Secunda. The company was recognised for its commitment to skills development, receiving a training excellence award from the South African Institute of Welding for the quality of training and opportunities provided to employees in the NDT field.
Operationally, De-Tect strengthened its regional presence by establishing a site office at Saldanha Steel, delivering comprehensive radiography and wall thickness measurement services across the Western Cape and extending operations up the West Coast into Namibia.
The company successfully completed Outages 113 and 213 at Koeberg Nuclear Power Station and delivered an international NDT project at a power station in Homs, Libya, in partnership with Rotek Engineering (Pty) Ltd.
Further reinforcing its commitment to quality, De-Tect achieved ISO 9001:2000 certification (Registration No. LS3305) at the end of 2003.
2005
De-Tect Unit Inspection continued to deliver high-performance inspection services across multiple sectors, successfully completing the full Ultrasonic, Surface, and Radiography scopes for Koeberg Nuclear Power Station Outage 214. All work was delivered within strict timeframes, with zero incidents and full compliance with quality and safety standards, including the critical SCC pipe replacement radiography scope.
The company further strengthened its technical expertise, with two ultrasonic operators qualifying in Eskom’s Phased Array turbine rotor blade blind trials and becoming preferred operators for this specialised work.
Internationally, De-Tect completed another NDT project in the United Kingdom in collaboration with Oceaneering International, building on the success of previous engagements.
Regionally, the company expanded its footprint by successfully delivering projects at a soda ash plant in Botswana and an ultrasonic inspection project in Madagascar. Additional work included the successful execution of NDT services during the November shutdown at the Caltex Refinery.
De-Tect was also appointed as a preferred NDT supplier to Saldanha Steel (Mittal) and completed the radiography work scope for Koeberg Nuclear Power Station Outage 115.
2010
De-Tect Unit Inspection marked a significant milestone, celebrating 30 years of delivering Non-Destructive Testing (NDT) and inspection services in South Africa.
The company successfully completed NDT work during Outage 118 at Koeberg Nuclear Power Station (KNPS) between August and October 2010, continuing its strong track record in the nuclear sector.
From 2010 onward, De-Tect secured and maintained long-term service relationships across multiple key clients and industries. This included ongoing NDT services for RH Mechanicals at KNPS, supporting Balance of Plant (BOP) projects, as well as continued involvement in outage and maintenance work under radiography (RT) contracts through to 2016.
De-Tect also provided NDT services for GEA Africa on pressure vessels and related projects, including maintenance and breakdown support, and delivered inspection services for Mittal Saldanha during shutdowns and operational maintenance between 2010 and 2016.
2021
De-Tect Unit Inspection continued to strengthen its industry standing through professional recognition, attaining and renewing full membership with the American Society for Nondestructive Testing and securing membership with the Southern African Institute of Mining and Metallurgy.
The company maintained strong momentum in the power generation sector, securing contracts for metallographic replication at Matimba Power Station, as well as NDT services (MT and PT) at Majuba and Lethabo Power Stations for FieldCore.
In the petrochemical sector, De-Tect was awarded multiple contracts at Sasol Secunda, including NDT and heat treatment services for Wetback projects, as well as broader support during the 2021 shutdown. The company also completed a series of Eddy Current inspection projects across multiple units, including waste heat boilers and turnaround activities extending into 2022.
De-Tect further expanded its industrial footprint by performing NDT on kiln rollers and shells for Sephaku Cement, and maintaining ongoing call-out services for a wide range of clients across engineering, fabrication, and mining sectors.
Regionally, the company secured a significant three-year contract with Illovo Sugar to provide NDT services across six sites in Zambia, Mozambique, Malawi, eSwatini, South Africa, and Tanzania.
In addition, De-Tect was awarded a specialised project involving Eddy Current Testing (ECT), Remote Field Testing (RFT), and Magnetic Flux Leakage (MFL) inspections on two 12 km water pipeline systems in KwaZulu-Natal.
2022
De-Tect Unit Inspection continued to deliver specialised inspection services across the power generation and industrial sectors, securing multiple contracts at key facilities.
The company was awarded contracts to perform advanced Eddy Current and surface inspections, including conventional ultrasonic testing, at Palmiet Power Station, as well as Non-Destructive Testing services at the Drakensberg Pumped Storage Scheme.
At Koeberg Nuclear Power Station, De-Tect played a key role in ongoing nuclear projects, performing Phased Array Ultrasonic Testing (PAUT) as part of the Steam Generator Replacement (SGR) daughter modification programme.
The KwaZulu-Natal (Richards Bay) branch secured specialised guided wave ultrasonic inspection work at Foskor, further expanding the company’s presence in the mining and heavy industry sector.
Additional work was also awarded within Eskom’s fleet, including metallurgical replication services at Grootvlei Power Station (Units 3 and 6), alongside continued replication work under the existing contract at Kriel Power Station.
2023
De-Tect Unit Inspection continued to expand its advanced inspection capabilities both locally and internationally. Early in the year, the company performed tube inspections on various exchangers for Omnia Group using Eddy Current Testing (ECT) and Remote Field Testing (RFT).
Internationally, De-Tect delivered specialised inspection services across multiple regions, including IRIS inspections in Nigeria and Australia, as well as NDT services on sugar mill infrastructure.
At Koeberg Nuclear Power Station, De-Tect was awarded a long-term contract to continue providing radiography services, building on a track record of over 40 years of continuous service at the facility. The company also supported GE Steam Power with NDT services on low-pressure (LP) turbine rotor blading.
A major milestone was achieved with De-Tect attaining accreditation as a South African National Accreditation System Type A Inspection Body (Accreditation No. NDT 0003), demonstrating compliance with ISO/IEC 17020:2012 and confirming the company’s technical competence and independence.
The company continued to secure key contracts within the power generation sector, including Non-Destructive Examinations (MT and UT) on penstocks at the Drakensberg Pumped Storage Scheme, Eddy Current inspections at Palmiet Pumped Storage Scheme, and high-pressure pipework metallurgical replication at Grootvlei Power Station.
Additional specialised work included CUPS detection using QSR technology on international pipeline projects, as well as a river crossing pipeline inspection project in Mozambique.
2024
De-Tect Unit Inspection began the year by strengthening relationships with existing clients while securing new opportunities across multiple sectors. The company expanded its portfolio with projects for Air Liquide and Babcock International, and was awarded new work in the renewable energy sector, providing NDT services at the Dorper Wind Farm for Altitec, as well as NDT oversight for Ansaldo Energia.
In support of the growing renewable energy supply chain, De-Tect received a purchase order from ArcelorMittal to perform NDT on wind tower plates at its Vaal branch for Vestas.
The company further diversified into the mining sector, securing a contract for Eddy Current inspections at the Karowe Mine operated by Lucara Diamond.
Within the nuclear sector, De-Tect was awarded advanced NDT work at Koeberg Power Station by John Thompson, including Phased Array Ultrasonic Testing (PAUT) and Time of Flight Diffraction (TOFD).
In the oil and gas sector, De-Tect secured a significant three-year contract with PetroSA to provide ongoing NDT services.
Collective Industry Experience done by Tube Inspection Personnel
Our tube inspection team brings together extensive international industry experience gained by our personnel throughout their professional careers, including experience acquired prior to joining our company.
Collectively, our Eddy Current specialists have contributed to tube inspection projects for prestigious clients across the globe. Their individual experience spans a wide range of industries, including power generation, petrochemicals, mining, manufacturing, and oil & gas, where they have applied their expertise in support of complex inspection programmes.
This information reflects the professional experience of our personnel and should not be interpreted as representing projects undertaken by the company.
Our team's experience spans the following major industries:
- Oil & Gas (Upstream, Midstream & Downstream)
- Oil Refineries
- Petrochemicals
- Fertilizer & Ammonia Production
- Power Generation
- Liquefied Natural Gas (LNG)
- Mining
- Water Treatment & Desalination
- Engineering, Procurement & Construction (EPC)
- Industrial Manufacturing & Maintenance
This broad industry exposure demonstrates extensive experience in heat exchanger, condenser, boiler, and process equipment tube inspections across some of the world's most demanding industrial sectors.
Mining Industry Eddy Current Testing
The projects listed below reflect the collective Eddy Current Testing expertise of our personnel, based on projects successfully completed in their individual professional capacities across the Mining Industry.
- BHP Australia - Mining