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Comparative study of two selected eastern port operational performance in Nigeria: Case of Rivers and Delta ports

Nwaogbe Obioma Reuben, Erhijivwo Sophia, Miracle John

Journal of Sustainable Development of Transport and Logistics

2023

Vol. 8, No. 2

153--163

Purpose: The main purpose of this paper is to compare the operational performance of two selected eastern ports in Nigeria: Rivers and Delta ports. Methodology: The paper uses secondary data from the Nigeria Port Authority (NPA) Portal from 2008 to 2013. The paper employs multiple regression models to analyze the data using SPSS and Statgraphics software packages. Results: The results show that Rivers port has a higher operational efficiency than Delta port, with an R-squared value of 81.34% and 79.47%, respectively. The results also reveal a significant relationship between cargo throughput and some independent variables, such as vessel traffic, turnaround time, berth occupancy, and number of employees. Theoretical contribution: The paper contributes to the existing literature on port performance measurement and improvement by applying multiple regression models to assess the operational efficiency of two Nigerian ports. The paper also provides empirical evidence on the factors affecting port performance in a developing country context. Practical implications: The paper has practical implications for port authorities, maritime agencies, shipping companies, and the government. The paper suggests some policy recommendations to enhance the operational performance of the eastern ports, such as improving port infrastructure, pricing policy, and strategic competition.

Moderating impact of complexity on process management of turnaround project

Fabić Marco, Pavletić Duško, Valić Graciela Šterpin, Marković Maja

Management and Production Engineering Review

2019

Vol. 10, No. 4

25--36

Maintenance of process plants requires application of good maintenance practice due to a great level of complexity. From a plant maintenance point of view, the most signiﬁcant activity is turnaround, an activity carried out through project task with long planning process period and very short execution period, which makes it one of the most complex projects of maintenance in general. It is exactly this kind of maintenance that is based on multidisciplinarity which has to be implemented through the system of quality management on all levels of maintenance management. This paper deﬁnes the most signiﬁcant factors determining the process of turnaround projects quality management and its eﬃciency. Such relation is observed through moderating inﬂuence of complexity on process management eﬃciency in the turnaround project. The empirical research was conducted based on the survey of turnaround project participants in ﬁve reﬁneries in Croatia, Italy, Slovakia and Hungary. For exploring the inﬂuence of research variables testing of the target relation is carried out by applying logistical regression. Research results conﬁrm the signiﬁcance of complexity as variable that signiﬁcantly contributes to the project performance through the moderating inﬂuence on success of the project, as well as the inﬂuence of an eﬃcient management on a plant turnaround project key results. Beside theoretical indications, practical implications that arise from this research study mainly refers to management process of the industrial plant maintenance project.