A Study on Pusher Barge System for Coal Transportation in Indonesia : Optimum Size of Barge Cargo Capacity

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Electricity consumption in Indonesia has been steadily increasing at an extremely rapid rate, of around 15% to 20% per year, over the past 20 years. As a consequence, Indonesia's huge reserves of lower quality coal will be mined to satisfy growing domestic demand in the power generation sector. An efficient low cost coal transportation system will however be necessary before Indonesia's lower rank coal can be used to meet domestic demand. In order to improve the existing towed barge system to transport directly coal from the river barge loading facility in Kalimantan to the power plants in Java, a pusher barge system has been proposed. In a previous paper, the economic feasibility of pusher barge system for coal transportation in Indonesia has been studied and it was showed that this system is the most economical form of transportation. In this paper, the authors investigated the optimal size of the barge cargo capacity for coal transportation in Indonesia. The objective is to minimize the economic cost of transport (ECT) and the problem is solved using the Excel solver. Constraints in the system include power plant demand, river restriction, ship speed and loading or unloading capacity in coal terminal. From the verification of global consistency of the proposed of the solution and its economic exploitability, result of the main dimensions of pusher and barge agree well with the ones of real pusher and barge, which are being used for domestic coal transportation in Indonesia.
社団法人日本航海学会の論文
2003-09-25

A Study on Pusher Barge System for Coal Transportation in Indonesia : Optimum Size of Barge Cargo Capacity

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