Maritime safety risk analysis in Alur Pelayaran Barat Surabaya (APBS) during dredging process

Rizki Kresna W
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Rizki Kresna W: Department of Magister Manajemen of Technology, Sepuluh Nopember Institute of Technology, Surabaya, Indonesia

Journal of Advances in Technology and Engineering Research, 2018, vol. 4, issue 4, 176-185

Abstract: The West Surabaya Sailing Route (APBS) is a shipping lane which is an in and out access port of Tanjung Perak Surabaya. The location of the APBS which is the estuary of several rivers has resulted in the sediment rate being high so that dredging activities need to be done regularly. In contrast to the dredging activities in other places, the dredging carried out along the APBS must be carried out carefully because it is a mined area and there is also a gas pipeline belonging to Kodeco and PLN's high-voltage undersea cable that runs along the APBS line. As a result of the higher hazard potential of dredging sites elsewhere, more comprehensive risk analysis needs to be carried out to reduce the risk of dredging. From some risk identißication found in the APBS, it is known that major risk with the highest risk value based on qualitative calculations by means of FGD is the risk of ship collisions. By calculating the cost index (ICAF), the best mitigation to reduce the risk of ship crashing is to install a buoy as a barrier and shipping signs. After obtaining the best mitigation based on costs, then quantitatively performed by numerical simulation to determine how much inßluence mitigation on the probability of ship accidents. From the simulation calculation obtained the mitigation effectiveness to reduce the risk of ship accidents. The biggest decrease in the probability of a ship accident due to overtaking of 100%, followed by a decrease in the probability of a ship accident due to a head on collision by 54%. Furthermore, the decrease in the probability of ship accidents due to crossing and the probability of ship accidents due to each stranding decreased by 17% and 12%.

Keywords: Dredging; Risk; Formal safety assessment (search for similar items in EconPapers)
Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:apb:jaterr:2018:p:176-185

DOI: 10.20474/jater-4.4.4

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