South Africa’s annual State of Logistics survey indicates that the majority of dense, long-distance surface freight is transported by road, placing severe constraints on the country’s freight logistics infrastructure ...

ENGLISH SUMMARY : Background: Globally, in children the prevalence of overweight and obesity is increasing, and this is associated with an increased risk of non­communicable diseases in adulthood. There is a need to examine ...

One serious concern of health policymakers in South Africa is the fact that there is no national data on the dietary intake of adult South Africans. The only national dietary study was done in children in 1999. Hence, it ...

South Africa’s national railway management is considering the further closing of a number of branch lines due to profitability pressures from stakeholders. This paper cautions against a myopic approach to such closures. ...

ENGLISH SUMMARY : In this paper two mathematical programming models, both with multiple objective functions, are proposed to solve four related categories of job scheduling problems. All four of these categories have the ...

ENGLISH SUMMARY : A user-friendly simulation tool for determining the impact of the sterile insect technique/inherited sterility technique (SIT/IS) on populations of the African sugarcane stalk borer, Eldana saccharina ...

This paper considersthe optimisation of the movement of a fixed crane operating in a single aisle of a distribution centre. The crane must move pallets in inventory between docking bays, storage locations, and picking ...

A real life order picking system consisting of a set of unidirectional picking lines is inves- tigated. Batches of stock keeping units (SKUs) are processed in waves defined as a set of SKUs and their corresponding store ...

An integrated alternative to road only or rail only transport does not exist in South Africa for domestic freight. This is in spite of the fact that national freight logistics costs are high, road infrastructure is challenged ...

During the 20th century, freight transport in South Africa was employed to attain politicoeconomic ideals, resulting in the overprotection of rail and overregulation of road transport. Increasing industry pressure, ...

A country’s competitiveness can be severely hampered by an uncompetitive freight logistics system. During the first decade of the 21st century, two in-depth models were developed for South Africa which provide a framework ...

The main response to sub-Saharan Africa’s (SSA) challenges has been foreign aid. Yet, despite the large amounts received, the challenges remain. There is an opportunity to consider a different model with less focus on ...

Due to the rapid deregulation of freight transport in South Africa two decades ago, and low historical investment in rail (with resultant poor service delivery), an integrated alternative to road and rail competition was ...

ENGLISH SUMMARY : Please refer to full text for abstract.

ENGLISH SUMMARY : Background: There is a logistical gap in the first section of the apple supply chain that affects the temperature profiles of apples further downstream in the supply chain. Objectives: This article’s ...

ENGLISH SUMMARY : In a military environment an operator is typically required to evaluate the tactical situation in real-time and protect defended assets against enemy threats by assigning available weapon systems to ...

’n Sisteem vir die opmaak van bestellings word ondersoek. Die sisteem vereis dat die werkers in ’n kloksgewyse rigting om ’n uitsoeklyn beweeg. Die uitsoeklyn bestaan uit vaste vakkies wat elk ’n unieke produk bevat. Die ...

An order picking system that requires pickers to move in a clockwise direction around a picking line with fixed locations is considered. The problem is divided into three tiers. The tier in which orders must be sequenced ...

The present study sets out to provide an ex ante insight into the equity effects of a toll charge on the traffic diversions and geographical accessibility of work locations in the Cape Town metropolitan region, South Africa. ...

Despite two decades of visionary policies, problems within South Africa’s freight logistics system remain. Logistics costs are high, the current road and rail solutions will be unable to meet long-term demand for freight ...