By Dr Elhadj Ibrahima Sory Diakité, Physician & Consultant Expert in Occupational Health and Safety (OHS)

Director of Sphere Guinea Consulting

Overheats port hubs, titanium mining sites like Simandou, pressure of hyper-speed in urban delivery: while Africa is redesigning its logistics corridors, Occupational Health and Safety (OHS) can no longer be a mere regulatory constraint. Today it is establishing itself as the financial and operational lever indispensable to the performance of Supply Chain on the continent.

At a time when Africa is reshaping its logistics corridors, the supply chain sector is facing unprecedented changes. Titanic shipyards and mining sites are coming out of the ground, while the explosion of technology propels the logistics of the « last kilometre » In the foreground.

Yet, behind the fluidity of the flow of goods, the performance of infrastructure and the accuracy of algorithms hides an indispensable human reality: that of the women and men who run the continent's logistics machine.

As a professional in occupational health and safety (OHS), my observation on the ground is unquestionable: one cannot sustainably optimize a supply chain by saturating its human capital. The direct financial impact is heavy.

According to the International Labour Organization (ILO), industrial accidents and occupational diseases cost nearly 4 per cent of world GDP every year, a huge loss in billions of dollars for our developing economies. In the face of these challenges, OSH must no longer be used as a pretext for regulatory figuration, but as a strategic lever for economic performance.

Simandou and mining corridors: the absolute challenge of heavy logistics

The most striking example of this systemic transformation is being played today in Guinea with the Simandou megaproject. This project not only represents the exploitation of the largest untapped iron deposit in the world; it embodies a logistical challenge and colossal infrastructure, materialized by the corridor of the Trans Guinean Company: more than 600 kilometers of new railway and large-scale port infrastructures to evacuate the ore.

In heavy mining logistics, the smallest OSH failure takes on dramatic industrial and financial proportions. Manipulating millions of tons of freight, moving freight trains several kilometres long and operating high-speed mining terminals expose workers to the risks of crushing, derailment and extreme co-activity.

On projects of this magnitude, a major accident temporarily stopping the ore disposal chain can block exports and generate estimated dry losses of several hundred thousand dollars per day. Integrate rigorous OHS engineering from the construction and operational runoff phase of Trans Guinea is not a luxury, it is the only way to secure the return on investment of this historic project.

From the saturation of the maritime hubs to the high safety of the runways

This need for rigour is also reflected in the ports of the subregion. More recently, the sector players recalled that the Port of Dakar has reached saturation. Not far from there, the Autonomous Port of Conakry is experiencing an extreme densification of its flows under the influence of Guinean growth.

Confronted with bottlenecks and the explosion of demurrage costs — easily reaching $10,000 to $25,000 per day and per vessel blocked —, the pressure to speed up handling on terminals is maximum. This is the point of rupture where OHS risk explodes: precipitation, extreme fatigue of dockers and vehicle drivers, and non-compliance with safety distances.

A saturated port should not become an accidental port. A portico accident or a cavalry truck paralyzes a processing line, resulting in direct operational costs of several tens of thousands of dollars per hour of immobilization.

The same operational emergency hit the airport supply chain. The analysis of ground incidents shows that time pressure is the first vector of human error. During groundhandling operations, the strict rates imposed for cargo aircraft cause an explosion of musculoskeletal disorders (MSDs) in agents.

Beyond the human tragedy, IATA estimates that damage to ground aircraft costs the sector about $4 billion a year worldwide. Prevention and ergonomics on the runway are the only bulwarks against these costs of forced inactivity.

The « last kilometre » : the invisible cost of urban hyperspeed

While heavy logistics extract and discharge, the urban supply chain, worn by tech and champions like Yobante Express or Shopmeaway, reinvents the delivery of the « last kilometre ». But this agility hides an invisible human overheating: stress related to hourly targets, repetitive handling and ubiquitous road risks in capitals with saturated traffic.

For a delivery company, a road accident is not just an insurance problem. If indirect costs are included (loss of goods, cascade delays, deterioration of brand image and temporary replacement of the employee), the actual cost of a road accident is often 3 to 5 times higher than the direct medical costs alone. Financing distribution algorithms without investing heavily in driver safety is a strategic calculation error.

Investing in « Culture Security » : an undeniable ROI

Faced with these challenges, from the heart of the Simandou mines to the last metre of urban delivery, the solution lies not only in purchasing new equipment or writing theoretical procedures. The major challenge of the African supply chain is cultural.

There is an urgent need to establish a genuine « Culture Security » (Safety Culture). Intermediate management and top management must carry this vision with conviction, not as a cost line, but as a highly profitable investment.

Return on Investment (ROI) studies show that every dollar invested in prevention and health at work generates an economic return of $1.5 to $2.5 through a drastic decline in absenteeism, reduced insurance premiums and improved overall productivity.

In this critical development phase, QHSE professionals (Quality, Hygiene, Safety, Environment) and consultants have a historic and decisive role to play.

Tomorrow's supply chain in Africa will be resilient, modern and efficient, or it won't be. But this resilience will not build on the fragility of its workers. It is time to put Health and Safety at work at the heart of the continent's logistics strategy.