Mine blasting solutions provider Enaex Africa has highlighted the importance of integrating supply-chain reliability, mobile manufacturing units, safety controls and digital technologies to improve blasting precision and mining productivity.

During a webinar hosted by Creamer Media, company representatives explained how coordinated planning and real-time operational data can help mines achieve better fragmentation, reduce environmental impacts and improve downstream processing.

Enaex Africa manager for exports Danielle Thomas said security of supply extended beyond maintaining adequate stock levels to ensuring that products reached customers when required.

“Security of supply is therefore not measured by how much stock we hold on paper, but rather it's measured by our ability to orchestrate all of these moving parts seamlessly,” she said.

Thomas highlighted the company's new bulk emulsion plant in Secunda, which has increased production capacity by 50%. She also pointed to the announced acquisition of Sasol's nitrates business, including ammonia conversion plants in Secunda and Sasolburg, as a strategic step towards strengthening local raw-material supply and reducing exposure to international supply-chain disruptions.

Enaex Africa business manager Benedicta Bhila explained that selecting the appropriate mobile manufacturing unit depended on the mine's requirements, layout, hole dimensions and operating conditions. Enaex Africa offers units ranging from 5 t to 28 t, with larger-capacity units helping to reduce travel time and the number of trips required at suitable operations.

The choice of charging equipment and method also depends on conditions at the blast site, including water presence and hole diameter, she said.

Safety remains central to the delivery and operation of these units. Enaex Africa strategic safety, health, environment and quality leader Victor Kgogo outlined measures that include driver competency assessments, medical surveillance, route risk assessments, planned maintenance and vehicle tracking systems designed to detect fatigue and distraction.

He also highlighted the importance of pre-task risk assessments, authorised access to blast areas and formal safety checks before initiation.

Enaex Africa digital solutions manager Danielle de Villiers demonstrated how the company's Bright digital ecosystem supports more accurate blast planning and execution. Bright Scan verifies drilled holes against the blast design, identifying discrepancies such as over- or under-drilling, missing or collapsed holes, water and temperature variations.

The information helps teams adjust charging requirements to actual site conditions rather than relying solely on the original design.

De Villiers also outlined Bright Fleet, which provides fleet tracking and operational information, and Bright Care, which supports the assessment of vibration, blast noise and flyrock risks. Bright Blast enables comparisons between actual fragmentation and the planned outcome.

“Precision — if you want precision —comes from knowing the real situation,” she said, emphasising the importance of accurate operational data.

Bhila added that product selection depended on factors such as rock characteristics, water conditions, temperature and the required fragmentation. The objective was to achieve suitable fragmentation and highwall conditions while ensuring that material could be processed efficiently.

Enaex Africa electronic initiation systems manager Haemish Kyd presented Enaex Africa's DT5 electronic blasting initiation system, which uses digitally programmed detonators to provide precise timing and greater control over blast execution.

The system offers timing accuracy of ±1 ms at a 30-second delay and can initiate up to 10 000 detonators in a synchronised blast configuration. Kyd said precise timing helped improve fragmentation, control vibration and air blast, and reduce oversize material and excessive fines.

He added that the system enabled detonators to be tested before initiation, allowing potential errors and connection problems to be identified and corrected ahead of the blast.

Enaex Africa is also producing detonator lengths ranging from 6 m to 40 m locally, while servicing blasting equipment at a certified local centre. Kyd said local production and servicing improved the company's ability to respond to changing customer requirements and equipment needs.

The speakers stressed that the benefits of these technologies depended on effective collaboration between the explosives supplier and the mine, supported by planning, communication and reliable operational data.

Kgogo said communication was essential to coordinating product delivery, blast scheduling and safety requirements.

Kyd concluded that electronic initiation supported “predictable fragmentation, predictable vibration, predictable air blast”, giving mines greater control over blasting outcomes and helping them use resources more efficiently.