Abstract
Surabaya East Shipping Channel is part of the busiest shipping lanes west of Surabaya in Indonesia after inflows in Tanjung Priok. With the navigation, channel conditions are long and narrow plus the number of flows in and out of the harbor boats is very vulnerable to accidents resulting in either the stranded sea, ship collision, or other accident types, which would harm the cruise interocular. By looking at the facts above, so it is necessary to conduct a more in-depth study of the accident risk assessment of the shipping channel east of Surabaya. This study aimed to obtain any kind of accident that has a high risk in the port of Surabaya, to know what impact may result from an accident with a high risk and gain steps that can be taken to reduce accidents in Surabaya East Shipping Channel by using Method Formal Safety Assessment (FSA). Of the six types of accidents that occur, there are three accidents with the highest risk of stranded ships, human accidents, collisions with ships dock at the time of sailing ships and dock. The impact of the third accident caused huge material losses. To reduce the risk of all three types of accidents was measured Implied Cost of Averting a Risk (ICAR), the lowest of any risk reduction options. Reduction of risk to do is impose a routine patrol and installation of signs groove ICAR ports have amounted to 234 million, giving a human rescue training vessel which has a value of 112 million ICAR and the latter is tightened harbor area with ICAR 84 million so that unauthorized parties do not enter in the harbor area.
Highlights
Shipping Channel East Surabaya is located in the Madura Strait in position: 07o11'55 ''S - 112o47'10''T the circumstances surrounding the coastal low marshy harbor
The East Flow Sailing Surabaya is used for ships that have a small draft so that the intensity of the incoming or outgoing ships Shipping Channel East Surabaya in East Java to the island other than a bit, one of the factors for Eastern Shipping Channel Surabaya very risky because Kalimas river empties towards the harbor which resulted in the silting-silting to use cruise line that will have an impact for cruise ships with large drafts
From the results of this paper, we suggest reducing accidents that can have a large impact on both human and material casualties that risk reduction to reduce shipping aground east of Surabaya is to change the shipping route to avoid highrisk areas and the port carry out routine patrols and checking signs port groove
Summary
Shipping Channel East Surabaya is located in the Madura Strait in position: 07o11'55 ''S - 112o47'10''T the circumstances surrounding the coastal low marshy harbor. The East Flow Sailing Surabaya is used for ships that have a small draft (draft 1-4 meters) so that the intensity of the incoming or outgoing ships Shipping Channel East Surabaya in East Java to the island other than a bit, one of the factors for Eastern Shipping Channel Surabaya very risky because Kalimas river empties towards the harbor which resulted in the silting-silting to use cruise line that will have an impact for cruise ships with large drafts Based on these facts, the majority of ships with large drafts (4-9 meters) would prefer to skip the Shipping Channel West Surabaya, Surabaya East Shipping Channel is an alternative groove to enter the Port of Tanjung Perak 19.5 nautical miles in length, width 100 meters with a depth varying between 4 to 7 meters. Channel conditions are long and narrow plus the number of flows in and out of the harbor boats is very vulnerable to accidents resulting in either the stranded sea, ship collision, or other types of accidents such as fire, work accidents, and others which would harm the cruise national.
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