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A Agus Tjahjono
Politeknik Transportasi Sungai, Danau dan Penyeberangan Palembang
Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Decision Sciences, Operations Research & Management Electrical & Electronics Engineering Engineering Environmental Science Mechanical Engineering Transportation

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 1 
Review of Transport Vehicles on Ferry Board At Bira - Pamatata Tracking A Agus Tjahjono; Bambang Setiawan; Rizky Putra Wijaya
IWJ : Inland Waterways Journal Vol. 1 No. 1 (2019): Inland Waterways Journal (IWJ:October)
Publisher : Politeknik Transportasi Sungai, Danau dan Penyeberangan Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (661.851 KB) | DOI: 10.54249/iwj.v1i1.2

Abstract

The ferry port of Bira are harbor crossings which serve traffic between provinces and between islands by crossing trajectory Bira - Labuan Bajoe and Bira - Pamatata. The ferry port of Bira is managed by the Regional Technical Implementation Unit (UPTD) the ferry port for infrastructure and PT.ASDP Indonesia Ferry (Persero) Branch Selayar to ingredients. The ferry port of Bira is closely associated with the economic development of the community because many people who do activities in the region and the Bulukumba district of Makassar and Selayar Island is an area (Hinterland) who really need both parts of clothing and food. In the security and safety of the transportation system highly favored as a form of good service delivery. Safety was shown not only to the service users, but also to the ship operator. As well as setting up and handling of cargo vehicles on board. The better regulation and vehicle handling on board the better the level of security and safety of vehicles on board and vice versa. The setting and handling of cargo vehicles on board is good for the service user / owner of the vehicle, as well as for the security and safety of vehicles on board and are not harmful to the operator of the vessel that can be done by means of an approach based on the arrangement of the vehicle by placing a distance between the vehicle safe and mounting strap vehicle (lashing) contained in the PM number 115 of 2016 on procedures for the transport of vehicles on board. As well as setting up and handling of cargo vehicles on board. The better regulation and vehicle handling on board the better the level of security and safety of vehicles on board and vice versa. The setting and handling of cargo vehicles on board is good for the service user / owner of the vehicle, as well as for the security and safety of vehicles on board and are not harmful to the operator of the vessel that can be done by means of an approach based on the arrangement of the vehicle by placing a distance between the vehicle safe and mounting strap vehicle (lashing) contained in the PM number 115 of 2016 on procedures for the transport of vehicles on board.
Freedom in the High Seas A Agus Tjahjono; Noor Sulistiyono; Dahlia Dewi A
IWJ : Inland Waterways Journal Vol. 2 No. 2 (2020): Inland Waterways Journal (IWJ:October)
Publisher : Politeknik Transportasi Sungai, Danau dan Penyeberangan Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (144.499 KB) | DOI: 10.54249/iwj.v2i1.23

Abstract

This study is to determine how the implementation of the use of forms of freedom in the high seas according to the 1982 Convention on the Law of the Sea (UNCLOS 1982) and how the exceptions to freedom in the high seas according to the 1982 Convention on the Law of the Sea (UNCLOS 1982) The research method used in this research is to use normative legal research methods and it can be concluded that: 1. Regulations regarding the high seas are contained in Part VII Article 86 to Article 120 of the 1982 Convention on the Law of the Sea. Each country is granted both a coastal country and a non-coastal state given the right and freedom to utilize the high seas. The freedom of the state on the high seas is freedom in accordance with Article 87, namely freedom of navigation, flight, installing submarine cables and pipes, freedom to build artificial islands and other installations, freedom to catch fish, and freedom to carry out scientific research. Every country can take advantage of every given freedom, but every country is obliged to protect and utilize the high seas for peaceful purposes for the survival of humans. 2. In addition to providing freedom to use the high seas, the 1982 Law of the Sea Convention provides exceptions to these freedoms. Where every country is free to take advantage of the high seas but is not allowed to commit illegal acts or violate laws, both national and international laws, which in its application are often violated by countries in the world. There are several exceptions to the freedom of the high seas, such as the prohibition on slavery, piracy, trafficking of narcotic drugs and psychotropic substances, instant chase, illegal broadcasting, and pollution of the marine environment. Therefore, every country, both coastal and non-coastal countries, is obliged to cooperate in eradicating all forms of abuse of freedom on the high seas.
Evaluation Of Bakauheni River Vessel Capacity A Agus Tjahjono; Driaskoro Budi Sidharta; Indriana Indriana
IWJ : Inland Waterways Journal Vol. 3 No. 1 (2021): Inland Waterways Journal (IWJ:April)
Publisher : Politeknik Transportasi Sungai, Danau dan Penyeberangan Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (778.327 KB) | DOI: 10.54249/iwj.v3i1.46

Abstract

The Bakauheni Ferry Terminal is a ferry port that connects Sumatra and Java Island, which has a crossing distance of 15 miles. The Bakauheni - Merak route has 71 (seventy one) ships which operate for a regular boat travel time of 108 minutes while the executive ship travel time is 90 minutes. The average passenger productivity on the Bakauheni-Merak route is 477 passengers and the vehicle is 184 vehicles. The large productivity of passengers and vehicles on the Bakauheni-Merak route causes the ship's carrying capacity to be incompatible with the ship's particular ship. It is known that the Jatra 3 ship in the particular ship particular has a allowable capacity of 115 vehicles. However, based on observations it is known that the carrying capacity of more than 115 vehicles, The method of analyzing the carrying capacity on the ship uses the analysis of the daily load factor calculation. The primary data used is in the form of productivity data under normal conditions (January-March 2020) and during the covid-19 pandemic (April-May 2020) The results of the analysis show that the average daily load factor under normal conditions is 105% and during the Covid-19 pandemic it is 88%.
Liferaft Operating Procedures as A Support For Crew Safety In KM. Mulya Sentosa II A Agus Tjahjono; Dian Yasinta Tasin; Lusda Mulia Tidarriski
IWJ : Inland Waterways Journal Vol. 5 No. 1 (2023): Inland Waterways Journal (IWJ:April)
Publisher : Politeknik Transportasi Sungai, Danau dan Penyeberangan Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Liferaft is a safety device on a ship in the form of a boat equipped with a roof in the form of a tent and inside there are tools to survive in an emergency. The purpose of this study was to determine the factors that caused the lack of understanding of the operating procedures of the liferaft in KM. Mulya Sentosa II, to determine the effect of a lack of understanding of optimal liferaft operating procedures on the MV. Mulya Sentosa II. The results showed that the factors causing the lack of understanding of the optimal operation of the liferaft in KM. Mulya sentosa II is the lack of implementation of emergency drills, the absence of information in written form regarding the procedures for operating the liferaft , the lack of responsibility for the Deck Officers for the implementation of the exercise and the lack of information on the procedures for operating safety equipment, especially regarding the liferaft on board the ship in accordance with the provisions or guidelines that have been set, giving strict sanctions to Deck Officers, and providing information in written form regarding the procedures for operating the liferaft properly and optimally and then posting it in a place that is reached by all ship crews.
Analysis Of The Lack Of Air Pressure Generated By The Main Air Compressor No.1 On Board KM.Logistik Nusantara 1 A Agus Tjahjono; Driaskoro Budi Sidharta; Agam Ramadhan Zapata
IWTJ : International Water Transport Journal Vol. 4 No. 2 (2022): International Water Transport Journal (IWTJ: October)
Publisher : Politeknik Transportasi Sungai Danau dan Penyeberangan Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54249/iwtj.v4i1.80

Abstract

Compressor is an auxiliary engine that use to produce pressure air. On ship compressor have important role as compressed air generator because this pressure air use for starting main engine and use for control air on the main engine. As one of auxiliary engine so more attention needed for this compressor for the smooth operation of the ship when sailing. The resulting impact of this lack of air pressure is failure at starting system on main engine. So analysis must be done on compressor as the producer of compressed air to find out the cause of this problem. the most influential component to produce compressed air is lp/hp valve. After knowing the cause of the lack of compressed air produced so maintenance must be do to lp/hp vale so compressed air can be produced without problems.
Analysis Of The Causes Of Cavitation In Centrifugal Pumps On Board KM. TLIX Driaskoro Budi Sidharta; A Agus Tjahjono; Abid Abyan Prasetyo
IWTJ : International Water Transport Journal Vol. 4 No. 2 (2022): International Water Transport Journal (IWTJ: October)
Publisher : Politeknik Transportasi Sungai Danau dan Penyeberangan Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54249/iwtj.v4i1.81

Abstract

Inside the ship's engine room there is one component part, the Centrifugal Pump. At centrifugal pumps often experience a decrease in the performance of a decrease in the capacity of centrifugal pumps which results in mechanical damage to the centrifugal pump impeller and the onset of vibrations all occur due to cavitation on centrifugal pumps. Cavitation is the occurrence of vapor bubbles forming in a liquid that is flowing because the liquid pressure decreases to below the saturated vapor pressure of the liquid at the pump operating temperature. This research was conducted with the aim to find out the cause of the declining performance of centrifugal pump capacity which results in cavitation. Through this applied scientific work can find the cause of the decrease in the capacity of the ship's centrifugal pump and the results will be used as a reference or reference for fellow machinists so that the centrifugal pump on the ship can operate optimally.
Analysis of Rising Fresh Water Cooler Temperature Main Engine KM. Leuser A Agus Tjahjono; Driaskoro Budi Sidharta; Aditya Romi Satrianto
IWTJ : International Water Transport Journal Vol. 4 No. 2 (2022): International Water Transport Journal (IWTJ: October)
Publisher : Politeknik Transportasi Sungai Danau dan Penyeberangan Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54249/iwtj.v4i1.83

Abstract

Cooler is a auxiliary engine that functionaly to cooling fresh water on board, cooler usage is very important because the operational of main engine depends the cooler, because for diesel engine the cylinder liner always getting hot after combustion. If the cylinder get no cooling, the oil viscocity will be low and make piston and cylinder damaged. The purpose of this research is to know the problem of unnormaly temperature cooler. To understand the maintenance the trouble fresh water cooler. The method to solve this problem is observation. This method demanded the writter doing observation. The next is interview with first engineer, and looking for data from manual book, main engine journal. The study of this research is about the trouble from fresh water cooling KM. Leuser. With the important of the cooler we have to know the factor that’s make the temperature going up. And the result of the research is unoptimalize heat absorbtion from cooler plate and the stool from sea water filter, after the clean up the cooler is more cool.
Completeness Of Documents On Speedboat Seaworthiness At Pier 16 Ilir Palembang City, South Sumatra Province A Agus Tjahjono; Santoso Santoso
IWTJ : International Water Transport Journal Vol. 5 No. 1 (2023): International Water Transport Journal (IWTJ: April)
Publisher : Politeknik Transportasi Sungai Danau dan Penyeberangan Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54249/iwtj.v5i1.100

Abstract

In Palembang City, there are several Port Service Units, one of which is the 16 Ilir Pier Service Unit. At Pier 16 Ilir there are still many speedboats that do not complete the Ship's Seaworthiness Documents such as Ship Measurement Letters, Registration Letters (Gross Deeds), Ship Nationality Certificates (River and Lake Passes), River and Lake Ship Safety Certificates (SKKSD), and Crew Skills Certificate. This research is a type of qualitative research method, qualitative research emphasizes quality not quantity and the data collected does not come from questionnaires but comes from interviews, direct observations and related official documents. The data used are primary and secondary data to be analyzed. Based on the results of an interview survey conducted at Pier 16 Ilir Palembang City, 100% Speedboats that have not completed the ship's seaworthiness documents. The reason for the operator or ship owner has not completed the ship's seaworthiness document, namely 42% do not meet the requirements for making shipworthiness documents, 37% lack of checking ship documents, 21% do not know the procedure for making ship seaworthiness documents. Therefore, to overcome these problems, it is necessary to conduct socialization regarding the completeness of the ship's seaworthiness documents as well as the requirements in making the ship's seaworthiness documents to the ship's owner or operator and it is necessary to coordinate with the relevant agencies in the fulfillment and affirmation of the applicable rules regarding the completeness of the ship's seaworthiness documents with conduct socialization and ease of registration regarding the importance of completeness of ship's seaworthiness documents.
Co-Authors Abid Abyan Prasetyo Aditya Romi Satrianto Agam Ramadhan Zapata Bambang Setiawan Dahlia Dewi A Dian Yasinta Tasin Driaskoro Budi Sidharta Indriana Indriana Lusda Mulia Tidarriski Noor Sulistiyono Rizky Putra Wijaya Santoso Santoso