Neven Grubišić

A split task solution for quay crane scheduling problem in mid-size container terminals

A solution fo quay crane scheduling problem with unchanged number of cranes during container vessel handling process is explored to minimize a vessel handling time and optimize quay crane utilization. Targets are small and mid-size terminals where high reliability of forecasted scenario is requested by and split task algorithms ; in both cases grouping of tasks into clusters and operation zone limits are considered. Comparison of two models shows that split-task algorithm may improve crane utilization rate and vessel handling time in many cases. Proposed solutions combine existing research achievements with authors own approach in container terminal optimization development.

Public and Private Ports in Croatian Law

Existing classification of the Croatian seaports does not fit the level and meet the needs of the economic development of the Republic of Croatia, particularly after the Republic of Croatia joined the European Union. Equalizing public service offered by a port with the purpose of the port itself (general purpose – port open for public traffic, special purpose – port not open for public traffic) limits the economic development and aggravates the implementation of the basic market policies of the EU. Therefore, modernisation of the basic classification of ports in the Croatian legislation is suggested. Basic categorization of ports should be as follows: public service ports, private service ports and private ports for private needs of an entrepreneur.

Influence of Port Policy on the Development of Croatian Container Ports

It is important to consider the port development throughoutthe world from the aspect of economical, transport and portpolicy and their mutual impact on commerce and efficiency ofports. By examining such relations in the context of developmentof the Croatian container ports, it is possible to define reasonsfor lagging behind of Croatian ports compared to theworld movements.The main reason for the negative trend of development ofCroatian container ports lies in the non-existence of adequatemeasures of transport, maritime and port policy. Analysis ofstatistics over the past decade and comparison of structure andvolume of the general cargo traffic in the Rijeka port and theneighbouring ports in the area of North Adriatic are both showingsignificant size discrepancy and uncompetitiveness of theCroatian port. Disturbances that have brought to such a situationresult from inadequate port policy and non-harmonisedactivities between various modes of transport.In order to overcome such situation, the authors suggest determiningof clear tasks, goals and measures of the port policythat have to be undertaken so that the Croatian policy could becompatible with the main aspects, development tendencies andmeasures of theE U port policy.