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Journal articles on the topic 'Ship repair and maintenance'

Author: Grafiati

Published: 4 June 2021

Last updated: 31 January 2023

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1

Carr, Bruce A., Thomas M. Houlihan, and Michael A. Polini. "CAD/CAM in Phased Maintenance." Journal of Ship Production 7, no. 04 (1991): 234–47. http://dx.doi.org/10.5957/jsp.1991.7.4.234.

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The authors' company is a medium-sized engineering company specializing in naval ship repair. The bulk of corporate work centers on the Phased Maintenance (PM) of three classes of ships. Typically, each PM contract covers three to five different ships per class scheduled for 90-day Availabilities at approximately one-year intervals over a period of five years. The type of work to be performed during each Phased Maintenance Availability (PMA) falls into one of two categories: ship alterations or ship repairs. The first group, ship alterations, is characterized by detailed, long-lead engineering

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2

Blanton, Gerald B. "The Future of Navy Ship Maintenance — One Point-of-View." Journal of Ship Production 13, no. 02 (1997): 147–52. http://dx.doi.org/10.5957/jsp.1997.13.2.147.

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In the next five years, Navy ship maintenance requirements will challenge both public and private ship repair organizations to provide quality upkeeps within costs and schedule constraints. This paper examines key forcing functions impacting ship maintenance decisions, discusses ongoing Navy maintenance initiatives, and speculates on maintenance philosophical changes. Finally, the paper addresses some implications of these forcing functions, initiatives, and philosophy changes on the ship repair industry.

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Song, Tingxin, Taiyang Tan, and Guochen Han. "Research on Preventive Maintenance Strategies and Systems for in-Service Ship Equipment." Polish Maritime Research 29, no. 1 (2022): 85–96. http://dx.doi.org/10.2478/pomr-2022-0009.

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Abstract With continuous improvements in the function and performance of ship equipment, mechanisms of failure have become more and more complicated. To avoid over-maintenance or under-maintenance in existing routine ship maintenance strategies, a ship-level method for repair decisions based on the preventive maintenance concept is proposed in this paper. First, the anticipated repair demand levels of key components are calculated using an improved failure mode and effects analysis (FMEA) method; second, a Weibull distribution model is established, and the parameters are estimated using the ma

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Song, Tingxin, Taiyang Tan, and Guochen Han. "Research on Preventive Maintenance Strategies and Systems for in-Service Ship Equipment." Polish Maritime Research 29, no. 1 (2022): 85–96. http://dx.doi.org/10.2478/pomr-2022-0009.

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Abstract With continuous improvements in the function and performance of ship equipment, mechanisms of failure have become more and more complicated. To avoid over-maintenance or under-maintenance in existing routine ship maintenance strategies, a ship-level method for repair decisions based on the preventive maintenance concept is proposed in this paper. First, the anticipated repair demand levels of key components are calculated using an improved failure mode and effects analysis (FMEA) method; second, a Weibull distribution model is established, and the parameters are estimated using the ma

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Ahluwalia, Rashpal, and Denis Pinha. "Decision Support System for Production Planning in the Ship Repair Industry." Industrial and Systems Engineering Review 2, no. 1 (2014): 52–61. http://dx.doi.org/10.37266/iser.2014v2i1.pp52-61.

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All ships and offshore platforms, however large or small, undergo scheduled or unscheduled repair and maintenance. The bidding process for ship repair jobs is highly competitive and global in scope. The ship repair industry is also prone to significant risks due to high level of capital investment in skilled labor, specialized equipment, and facilities such as dry docks. Several decision support tools have been utilized by the ship repair and maintenance industry with limited success. The focus of these tools is on mid or long-term planning. They view the system as various cost centers and att

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Wittenborn, John L., and William M. Guerry. "Liability for Hazardous Wastes Produced During the Course of Ship Repair." Journal of Ship Production 6, no. 03 (1990): 175–79. http://dx.doi.org/10.5957/jsp.1990.6.3.175.

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Many common ship repair tasks result in the production of quantities of various hazardous wastes. These wastes, regardless of volume, present difficult burdens for shipyards and the U.S. Navy. Under federal environmental laws, the responsibility for handling hazardous wastes and the liability for their ultimate disposal rests with the person or persons who create the wastes and who arrange for their disposal. Oftentimes, however, the responsibility and liability for handling and disposing of these wastes is unclear. This is especially true when naval ships are repaired in contractor facilities

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Zagan, Remus, Iwona Paprocka, Mihaela-Greti Manea, and Emill Manea. "Estimation of Ship Repair Time Using the Genetic Algorithm." Polish Maritime Research 28, no. 3 (2021): 88–99. http://dx.doi.org/10.2478/pomr-2021-0036.

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Abstract Ship maintenance is regulated by both the state and the classification society. The scope of maintenance works depends on the age of the ship and includes a dock, intermediate and special inspection. The problem is to estimate the reliable time of the ship maintenance and the downtime at the shipyard. The purpose of this article is to develop a more accurate model to predict a ship’s overall maintenance time. A multiple linear regression model is developed to describe the impact of historical data on hull repair, painting time, piping, age, structural and hull plate replacement for sh

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Hadi, Syamsul, Alfarizi Al Azis, Vinan Viyus, Etik Puspitasari, Ahmad Hanif Firdaus, and Andri Setiawan. "Planning for Maintenance and Repair of Continuous Ship Unloader Using the IRRO Method." Logic : Jurnal Rancang Bangun dan Teknologi 21, no. 1 (2021): 52–63. http://dx.doi.org/10.31940/logic.v21i1.2383.

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The problem faced is damage, especially to the screw conveyor from the Continuous Ship Unloader (CSU) as a dry bulk material transfer equipment (phosphate rock) which is taken from the ship's hold which is flowed by a screw conveyor followed by the belt conveyor to the material warehouse to be processed into a type of fertilizer. The purpose of planning is to obtain a schedule and estimated cost of maintenance and repair of CSU for the period 2022 to 2025, and to obtain the ratio of maintenance-repair costs to the profit of the machine. Planning methods uses the IRRO (Inspection, Replace, Repa

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JUNG, Inhwan, He SUN, Jangmook KANG, Choong Hyong Lee, and Sangwon LEE. "Big Data Analysis Model for MRO Business Using Artificial Intelligence System Concept." International Journal of Engineering & Technology 7, no. 3.33 (2018): 134. http://dx.doi.org/10.14419/ijet.v7i3.33.18593.

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The rapidly changing environment of the shipbuilding industry has put Korea’s shipbuilding industry in a crisis. The purpose of this study was to develop a business model to maintain, maintain and operate Big Data-based MRO(Maintenance, Repair, and Operation) consumables, which is expected to be the new growth engine for the domestic shipbuilding industry. Although Korean shipbuilders have world-class technologies for ship dogma, the market for ship maintenance and repair is still in its infancy. For Korean shipbuilders, MRO business can be a growth engine that will provide food for the next 3

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Siswantoro, Nurhadi, Hari Prastowo, Hafiz Rahadyan Nugroho, et al. "A Preliminary Web-Based Intermediary Application Design For Ship Repair Planning Services." IOP Conference Series: Earth and Environmental Science 1081, no. 1 (2022): 012047. http://dx.doi.org/10.1088/1755-1315/1081/1/012047.

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Abstract According to data from the 2019 Ministry of Transportation Statistics Book, the number of national shipping fleets or ships in the country from 2015-2019 has doubled. However, from the potential of the current operating fleet, it shows that more than 75% of the fleet are over 20 years old. With such conditions, it is necessary to plan for ship maintenance and repairs to be as good as possible and to spend as little time as possible. This research aims to design a web-based intermediary application for ship repair planning services that can be accessed by using a website browser. The i

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Zhang, Yongxuan. "Analytical model for the ship purchase and maintenance decision in the new economy." BCP Business & Management 33 (November 20, 2022): 650–66. http://dx.doi.org/10.54691/bcpbm.v33i.2851.

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The maritime industry is currently increasing, and the industry will continue to grow due to the rapid growth of the global economy. The industry and the business of maritime companies bring with them the issue of vessel renewal and repair. To explore the impact of vessel renewal or repair on the company's benefits, we conducted a simulation experiment focusing on how the company should ensure maximum benefits if the vessel needs to be repaired. On the one hand, repair the vessel to continue operations. On the other hand, new vessels are purchased to replace the old ones. According to the data

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Kartiko, Donni, Suparno Suparno, Okol S Suharyo, Ahmadi Ahmadi, and Arica Dwi Susanto. "DETERMINATION OF MAINTENANCE PRIORITY INDONESIAN NAVY SHIP DEPO LEVEL USING FUZZY MCDM." JOURNAL ASRO 9, no. 2 (2018): 75. http://dx.doi.org/10.37875/asro.v9i2.79.

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The Indonesian Navy as a defense and security force of the sea has combat tools and supporting facilities projected in the Integrated Fleet Weapon System (Sistem Senjata Armada Terpadu/SSAT) with several components including Indonesian navy ships, marines, aircraft and bases. Depo level maintenance is comprehensive maintenance that can only be carried out by personnel who are experts in their field and supported by complete and sophisticated equipment and facilities. Maintenance at this level includes complete overhaul repairment, repowering MLM (mid life modernization), calibration of all equ

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Fruytier, Pierre-Andre M., and Arun Kr Dev. "Predicting Ship Maintenance and Repair Labor with Artificial Neural Networks." Journal of Ship Production and Design 38, no. 01 (2021): 9–18. http://dx.doi.org/10.5957/jspd.10200027.

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Ship maintenance and repair work cost estimation is often regarded as an “Art,” which may contribute to the financial success or distress of a shipyard. Regarded as experts by senior management, estimators are among the most valued resources, and nonetheless, human. Over time, estimators learn from mistakes, and get better with tenure at sharpening assessments. When estimators retire without having groomed an apprentice, shipyards may be at risk of losing a lot of know-how, all at once. These shipyards may well find very costly to experience, for a while, estimating skills stepping back on the

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Emil, Manea. "Using regression theory to solve some problems regarding ship repairing and maintenance activities in shipyards." Scientific Bulletin of Naval Academy XXIII, no. 2 (2020): 153–60. http://dx.doi.org/10.21279/1454-864x-20-i2-020.

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The owners will always try to reduce the ships maintenance works timeframe clearly aimed at reducing the period during which the ship has no income. In turn, the shipyard also will try to reduce the timeframe for the maintenace works carried out on board of the drydocked ships and alongside berths, clearly aimed at revenue maximizing by contracting a larger number of ships for drydocking. The objective was to find a method (using regression theory) for the ships drydocking and/or berthed maintenance works carried out in the shiprepairs shipyards time frame that exploits the information held by

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Moseyko, Evgeniy Sergeevich, and Evgeniy Olegovich Olkhovik. "Studying reliability of marine pump systems by using technical supervision data." Vestnik of Astrakhan State Technical University. Series: Marine engineering and technologies 2021, no. 4 (2021): 7–16. http://dx.doi.org/10.24143/2073-1574-2021-4-7-16.

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The article describes the analysis of the ship systems’ reliability at the stage of the technical design, which is based on the reliability data of individual system elements and mathematical methods of reliability theory. During the ship operation maintenance deficiencies can lead to the equipment failure, which can be prevented by the methods of instrumental diagnostics of system elements, maintenance repairs regardless of the current technical condition, and classification inspection during the ship operation. Collecting the detailed data on changes in the functional reliability of ship mec

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Manea, M. G., R. Zăgan, and E. Manea. "The importance of the technical specification of works for the ships repair processes in the maritime shipyards." IOP Conference Series: Materials Science and Engineering 1182, no. 1 (2021): 012042. http://dx.doi.org/10.1088/1757-899x/1182/1/012042.

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Abstract The technical specification purpose is to include the ship maintenance and improvement works needed to be carried out onboard in a repair shipyard, so that after these works performing to allow for the classification society certification, thus confirming the ship satisfactory technical condition and the relevant requirements of the classification rules were applied, thus confirming the applied management maintenance also. The technical specification has a very important role for the evaluations, done by the shipyard in preparing price and time quotation and the owner / manager, done

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Oktafiana, Laily Okta, and Intan Baroroh. "Comparative Analysis of CPM, PDM and PERT Methods in Ship Repair Scheduling Planning KN. RB 309 Ternate 01." BERKALA SAINSTEK 10, no. 3 (2022): 162. http://dx.doi.org/10.19184/bst.v10i3.32479.

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A ship that is still carrying out sailing activities must always be in a state that is in accordance with the classification and statutory. Maintenance or repair is needed for the ship in order to stay in good condition and fit to sail. In a ship repair project, there are several important aspects that need to be considered in order to complete project activities quickly and precisely. PT. XYZ has carried out ship repair activities, but the repair activities have been delayed due to weather factors, and the late procurement of spare parts. This research was conducted by analyzing the three mod

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Charchalis, Adam. "Measurement and Diagnostic System for Marine Engines." Journal of KONBiN 49, no. 3 (2019): 33–48. http://dx.doi.org/10.2478/jok-2019-0049.

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Abstract The Scheduled Maintenance System allows ship-owners and operators to plan, carry out and document the maintenance and repair of equipment and mechanisms on board the ship at intervals in accordance with the class requirements imposed by the Classification Societies and the manufacturer of the equipment. In order to develop the research capabilities of the Faculty of Marine Engineering of Gdynia Maritime University, a Measurement and Diagnostic System has been developed to assess the technical condition of machinery and equipment in operation on board the ship. Modernization of measuri

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Apriliani, Izza M., Sugeng H. Wisudo, Budhi H. Iskandar, and Yopi Novita. "JARINGAN KERJA DAN EFEKTIVITAS PERBAIKAN KAPAL DI GALANGAN KPNDP DKI JAKARTA, MUARA ANGKE (Network and Effectiveness of Ship Repair at KPNDP Shipyard DKI Jakarta, Muara Angke)." Marine Fisheries : Journal of Marine Fisheries Technology and Management 5, no. 1 (2016): 79. http://dx.doi.org/10.29244/jmf.5.1.79-89.

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<p>ABSTRACT<br />A shipyard is a supporting element to meet the eligibility requirements through maintenance service for vessels and their engines. Lead time for ship repair may vary, depending on the condition of ship. The length of the ship repair process can lead to shipyard queuing. One attempt to improve the mechanism and ship repairing time is by analyzing the network. This study aims to identify the network diagram, to determine the critical path, and to find out the effectiveness of ship repair process. Activities and duration during ship repairing process were analyzed usi

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Doherty, Owen J. "Ready Reserve Fleet: Ship Maintenance and Activations." Journal of Ship Production 13, no. 03 (1997): 188–97. http://dx.doi.org/10.5957/jsp.1997.13.3.188.

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As the size of the United States flag fleet continues to shrink, the Ready Reserve Force (RRF) assumes an even greater importance in national emergencies. There are approximately 100 RRF vessels located throughout the littorals of the United States. The outported vessels are shown in Fig. 1. Other vessels are either located at one of the three Reserve Fleets or have been activated for the Department of Defense. The maintenance of these vessels is critical to their successful activation and operation. The Maritime Administration (MARAD), which is part of the Department of Transportation, has ta

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Bin Abdul Wahid, Al-Shafiq, Mohd Zamani Bin Ahmad, Sunarsih ., et al. "Measuring Severity of Downtime Influence Factors to Naval Ship Operational Availability: A Delphi Study." International Journal of Engineering & Technology 7, no. 2.29 (2018): 940. http://dx.doi.org/10.14419/ijet.v7i2.29.14288.

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Rapid development of shipbuilding and ship repair industry in recent years has been increasingly transforming the way organizations apply the long term strategic thinking of “cradle to grave” maintenance approach in order to maximize their growth in a dynamic marine industry. With increased ship complexity, size and revolutionary design, organizations strive to balance ideal maintenance philosophies against on-going efforts of cost reduction whilst maintaining high availability of vessels. Despite aspiration and efforts to improve the ship availability, the Royal Malaysian Navy [RMN] vessels w

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Jakovlev, Sergej, Arūnas Andziulis, Andrius Daranda, Miroslav Voznak, and Tomas Eglynas. "RESEARCH ON SHIP AUTONOMOUS STEERING CONTROL FOR SHORT-SEA SHIPPING PROBLEMS." Transport 32, no. 2 (2017): 198–208. http://dx.doi.org/10.3846/16484142.2017.1286521.

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Today most ship rotation angle (steering control during movement) increase or decrease is done using an operator on deck or the auxiliary system in the ships engine room. Formal regulations suggest using manual inspection of the ship rotation and the work effectiveness of the engine during manoeuvring in ports and in the open sea regions. The accuracy of this procedure is very low and depends on the personnel of the deck. Therefore, automation and computer control systems are constantly required to assist the human eye. This problem becomes clearly visible when dealing with full ship autonomy

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Kimera, David, and Fillemon Nduvu Nangolo. "Predictive maintenance for ballast pumps on ship repair yards via machine learning." Transportation Engineering 2 (December 2020): 100020. http://dx.doi.org/10.1016/j.treng.2020.100020.

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van Rossum, Matthias. "Building maritime empire: Shipbuilding and networks of coercion under the Verenigde Oost-Indische Compagnie (VOC) in South and Southeast Asia." International Journal of Maritime History 31, no. 3 (2019): 465–80. http://dx.doi.org/10.1177/0843871419860699.

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This article maps the overseas infrastructure of the Dutch East India Company (VOC) for ship maintenance and shipbuilding. Reversing the perspective on the VOC, emphasizing the centrality of the ‘overseas’ or Asian activities, it studies how the VOC set up an infrastructure for shipbuilding, ship maintenance, and the necessary supporting industries in Asia. Historians have primarily examined the Company as a ‘merchant’, but the organization of the workplaces and underlying infrastructure for building and repairing ships reveals how important it activities and role as ‘potentate’ and ‘producer’

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Kwon, Kihyon, and Dan M. Frangopol. "Fatigue Life Assessment and Lifetime Management of Aluminum Ships Using Life-Cycle Optimization." Journal of Ship Research 56, no. 02 (2012): 91–105. http://dx.doi.org/10.5957/jsr.2012.56.2.91.

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The development of aluminum ship structures has been promoted in the context of the rapid evolution of high-speed and light-weight vessels. Under the repeated and/or fluctuating application of stresses during voyages, fatigue damage of structural ship members is accumulated. For this reason, fatigue reliability analysis has to be conducted for assessing and predicting lifetime performance of aluminum ships. This assessment offers the opportunity to optimally perform the lifetime ship structural management planning. To allocate limited financial resources required to balance the lifetime reliab

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Kr Dev, Arun, and Makaraksha Saha. "Modeling and Analysis of Ship Repairing Labor." Journal of Ship Production and Design 32, no. 04 (2016): 258–71. http://dx.doi.org/10.5957/jspd.2016.32.4.258.

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Labor cost is an important and sensitive issue in labor intensive industry. Ship repairing work is, by nature, labor intensive and not prone to automation. In normal ship repairing or routine maintenance of a ship, labor cost contributes the highest amount in the final invoice. This figure may go up to 70% of the total cost. This cost is directly contributed by labor (man-days) utilized for the ship repairing works. Owners and shipyards are always very keen for lowering the man-days value. Lesser man-days can directly be translated into the lower final invoice (for the owner) and higher produc

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Ribeiro da Silva, Filipa. "Dutch, English and African shipbuilding craftsmanship in precolonial West Africa: An entangled history of construction, maintenance and repair." International Journal of Maritime History 31, no. 3 (2019): 508–20. http://dx.doi.org/10.1177/0843871419862169.

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In comparative perspective, this article examines the shipping, construction, maintenance and repair of Dutch and English ships, boats and canoes operating in West Africa during the precolonial period. In addition, I discuss the strategies adopted by Dutch, English, and other ‘nations’ of merchants present in the various coastal regions of the African continent, to cope with the challenges posed by port-to-port navigation and transportation in shallow river estuaries along the western coast of Africa. Among these strategies were the transport of pre-fabricated boats of small dimension to the c

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Dlugokecki, Victoria, Dennis Fanguy, Lisa Hepinstall, and David Tilstrom. "Transforming the Shipbuilding and Ship Repair Project Environment." Journal of Ship Production and Design 26, no. 04 (2010): 265–72. http://dx.doi.org/10.5957/jspd.2010.26.4.265.

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In April 2008, NSRP awarded the project entitled "Customization of Web-Based Planning and Production Engineering Technologies to Support Integrated Shipyard Work Flow," a collaborative research project that included Bollinger Shipyards and Atlantic Marine-Mobil. The purpose of the project was to develop and validate a project management approach to shipbuilding and ship maintenance through the delivery of a web-based production and engineering management tool tailored to the needs of this industry along with a reliable, exportable implementation process using planning and production engineerin

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Zhang, Shou Jun, and Bin Li. "Hydraulic Steering Gear Failure Analysis and Troubleshooting for MV “TANSUO HAO”." Applied Mechanics and Materials 672-674 (October 2014): 1611–16. http://dx.doi.org/10.4028/www.scientific.net/amm.672-674.1611.

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The rudder and steering gear is the most widely used ship maneuvering equipment. It consists of the maneuvering device, transmission mechanism, steering gear, steering mechanism and the rudder blade. MV "TANSUO HAO" is a scientific research ship of 30 years old. The scientific exploration missions require a very high accuracy of the ship’s course, so the ship has to constantly adjust her course and steer frequently. On that day, the duty officer found the steering gear failure to turn left in the rough sea condition. The engineering crew members had to make an emergency repair. It took plenty

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Aulia, Surayya, and Hendra Cipta. "Network Planning Analysis Using CPM and PERT Methods on Optimization of Time and Cost." Sinkron 8, no. 1 (2023): 171–77. http://dx.doi.org/10.33395/sinkron.v8i1.11961.

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The shipbuilding industry is the most important industry to support sea transportation in the context of maritime development. As a company engaged in shipping, the function of the shipyard is as a place for shipbuilding, ship repair, and ship maintenance. One of the activities carried out by PT. DNC as a shipyard company is to repair TK Aek Sigala-gala. Ship repair is a process of repairing or replacing ship materials that cannot be used to avoid risks that occur in the sea when the ship sails. In the implementation of project activities, the company must understand the right network so that

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Saravanan, A. S., Jayalakshmy Ramachandran, A. Seetharaman, Karripur Nanda Kumar, and Kailash C. Joshi. "Empirical Analysis of Factors Influencing Use of Internet on Ships." JABM JOURNAL of ACCOUNTING - BUSINESS & MANAGEMENT 1, no. 25 (2018): 35. http://dx.doi.org/10.31966/jabminternational.v1i25.328.

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The purpose of this study was to evaluate the factors influencing the emergence of internet on ships and the resultant cost. Data collected from 255 respondents, mainly seafarers (captain and officers) and shore- based ship managers revealed that emergence of the internet on ships is influenced by perceived usefulness, organisation readiness, external pressure and technology penetration. It is also witnessed that cost of internet on ships has an effect on the penetration of the internet and new technology. The emergence of the internet on ships provides an effective communication link with all

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Chae, Chong-Ju, Mingyu Kim, and Hyung-Ju Kim. "A Study on Identification of Development Status of MASS Technologies and Directions of Improvement." Applied Sciences 10, no. 13 (2020): 4564. http://dx.doi.org/10.3390/app10134564.

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The introduction of the maritime autonomous surface ship (MASS) to the maritime industry will open up a new era and bring about a new paradigm shift in terms of cost efficiency, maritime accidents, and human resources. Various studies are currently being conducted to realize the MASS. Understanding the scope and direction of these studies will be of great help for future MASS research. In this study, the current development status of technologies for autonomous ships is identified, and considerations and directions of improvement are suggested for six major research fields that cover all techn

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VERMA, AJIT KUMAR, A. SRIVIDYA, ANIL RANA, and SANJAY K. KHATTRI. "OPTIMIZATION OF MAINTENANCE SCHEDULING OF SHIP BORNE MACHINERY FOR IMPROVED RELIABILITY AND REDUCED COST." International Journal of Reliability, Quality and Safety Engineering 19, no. 03 (2012): 1250014. http://dx.doi.org/10.1142/s0218539312500143.

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Ships have a wide variety of machinery available onboard that is crucial for her sustenance at sea for prolonged durations. The machinery can be grouped into various plants, such as propulsion plant, air conditioning plants, power generation plants, etc., each having its own specific function. The plants in turn are composed of various systems which further comprise various types of machinery. There are redundancies built in at the plant level, as well as at the system and at machinery level, so as to improve the reliability of the ship as a whole. Planning of maintenance schedule, specificall

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ABLAEV, A. R. "ANALYSIS OF METHODS FOR INCREASE OF EFFICIENCY OF SHIP DIESELS OPERATION WITH RESTORED PISTONS HEADS." Fundamental and Applied Problems of Engineering and Technology 4, no. 1 (2020): 117–21. http://dx.doi.org/10.33979/2073-7408-2020-342-4-1-117-121.

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Recommendations on maintenance for increase of efficiency of ship diesels operation with restored pistons heads, necessity of perfecting of the ways and the criteria of repair of heads of pistons of slow-speed engines for receipt of the details with running abilities, maximally effective in modern conditions of functioning are considered in this article.

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Rana, Anil. "Optimal maintenance level of equipment with multiple components." Journal of Quality in Maintenance Engineering 22, no. 2 (2016): 180–87. http://dx.doi.org/10.1108/jqme-07-2014-0043.

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Purpose – The purpose of the paper is to provide a method for selection of an optimum level of repair by replacement of an equipment based on its cost. In a ship where the engineer has a vast variety of equipment and systems to operate and maintain within limited time frames and availability of human resources, it is often difficult to disassemble a whole equipment to replace a faulty component. It is instead a lot easier to just replace the faulty equipment with whole new equipment. However, such a decision comes at an enormous capital cost. Therefore, the key question is, can we have a model

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Blatchley, Charles, Joseph Connors, and Anthony Vecino. "An Integrated Approach to Shipboard System and Equipment Testing for Improved Maintenance Management." Marine Technology and SNAME News 26, no. 02 (1989): 105–19. http://dx.doi.org/10.5957/mt1.1989.26.2.105.

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Commercial operators today are required to maintain maximum vessels in-service levels and, with government vessel operators competing for decreasing operating funds, the management of ship maintenance and repair (M&R) has become a highly visible area which can have a significant impact on overall vessel operating costs. As an approach to consolidate, improve, and simply better manage a vessel's state of material condition and M&R requirements, an integrated shipboard Material Condition Assessment Program can be implemented which provides a comprehensive evaluation and assessment of the

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MAYER, BRIAN, SHAHRUKH IRANI, and HOSNI ADRA. "Virtual Shop Clusters: A New Layout Concept for a Ship Repair and Maintenance Facility." Naval Engineers Journal 120, no. 2 (2008): 99–111. http://dx.doi.org/10.1111/j.1559-3584.2008.00128.x.

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Platonova, Nonna. "The fishery in the northern regions of the Far East of the USSR in the context of late Soviet modernization." SHS Web of Conferences 112 (2021): 00020. http://dx.doi.org/10.1051/shsconf/202111200020.

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The article describes the development of the fishing industry in Kamchatka, Sakhalin, and Magadan regions in 1965-1985. In a general historical context, the article pays attention to the modernization processes in the fishery of the northern regions of the Far Eastern territory, emphasizing general trends and differences in their dynamics. The special importance and level of development of the material and technical base of the fishing industry is noted. The article reveals the working conditions of ship repair enterprises and the reasons for the financial deficit of ship repair. Statistical d

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Nuchturee, Chalermkiat, Tie Li, and Hongpu Xia. "Design of Cost-Effective and Emission-Aware Power Plant System for Integrated Electric Propulsion Ships." Journal of Marine Science and Engineering 9, no. 7 (2021): 684. http://dx.doi.org/10.3390/jmse9070684.

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Extensive electrification of ship power systems appears to be a promising measure to meet stringent environmental requirements. The concept is to enable ship power management to allocate loads in response to load variations in an optimal manner. From a broader design perspective, the reliability of machinery operation is also of importance, especially with regard to the failure cost from power outages. In this paper, an approach for determining optimal power plants based on economic and environmental perspectives across several architecture choices is proposed. The design procedure involves th

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Widyaningsih, U., Sutoyo, A. A. N. P. Yuda, A. Mirianto, Z. Zuhri, and N. V. Harini. "The Design of Ship Operation Cost Estimation Simulator Uses a Case Study of The Bung Tomo Trainer Ship." IOP Conference Series: Earth and Environmental Science 1081, no. 1 (2022): 012008. http://dx.doi.org/10.1088/1755-1315/1081/1/012008.

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Abstract Calculation of ship operating costs is the main element in determining tariffs, since determining the high and low rates is very important in the shipping business. In other words, determining the right ship operating costs is the key to the success of the shipping business. Vessel operating costs are determined by direct and indirect operational costs. Direct operational costs include capital costs, insurance costs, insurance premiums, crew costs, fuel costs, lubricant costs, grease costs, fresh water costs, port costs and Repair, Maintenance, Supply (RMS) costs. The indirect operati

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Guervilly, Jean-Hugues, Marion Blin, Luisa Laureti, Emilie Baudelet, Stéphane Audebert та Pierre-Henri Gaillard. "SLX4 dampens MutSα-dependent mismatch repair". Nucleic Acids Research 50, № 5 (2022): 2667–80. http://dx.doi.org/10.1093/nar/gkac075.

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Abstract The tumour suppressor SLX4 plays multiple roles in the maintenance of genome stability, acting as a scaffold for structure-specific endonucleases and other DNA repair proteins. It directly interacts with the mismatch repair (MMR) protein MSH2 but the significance of this interaction remained unknown until recent findings showing that MutSβ (MSH2-MSH3) stimulates in vitro the SLX4-dependent Holliday junction resolvase activity. Here, we characterize the mode of interaction between SLX4 and MSH2, which relies on an MSH2-interacting peptide (SHIP box) that drives interaction of SLX4 with

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Maltais, Alexandrine, Nikola Petrov, Michel Thibault, and Benoit Bissonnette. "UHPFRC for concrete repair." MATEC Web of Conferences 199 (2018): 07007. http://dx.doi.org/10.1051/matecconf/201819907007.

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As part of the St. Lawrence Seaway lock maintenance, the current practice is to perform concrete repairs entirely with reinforced concrete, using either ordinary concrete or high performance concrete (HPC) mixtures. However, with the recent advances in the field of ultra-high performance fiber-reinforced concrete (UHPFRC), the use of this new material is considered in view of improving the overall performance of repairs. The goal is to implement repairs capable of dissipating a lot of energy before breaking when a ship hits a concrete lock wall. Numerous rehabilitation materials and methods ha

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Kawamura, Y., and Y. Sumi. "Information System for Structural Integrity of Ships." Proceedings of the Institution of Mechanical Engineers, Part M: Journal of Engineering for the Maritime Environment 219, no. 2 (2005): 93–106. http://dx.doi.org/10.1243/147509005x10422.

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The maintenance of ship structures is very important to avoid serious casualties such as oil spill from tankers. For this reason, it is necessary to detect and evaluate the state of the damages properly. In this paper, a new concept of an information system for structural integrity of ships is proposed in order to improve the safety and to assess the condition of structural strength in service. In this system, all information of damages in a certain ship obtained from hull surveys is managed in an information database, allowing assessments to be made at any time in the ship's life of the prese

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E., MANEA. "Assessments regarding the planning and control of activities and resources for ship repair and maintenance works." Scientific Bulletin of Naval Academy XXIV, no. 1 (2021): 201–10. http://dx.doi.org/10.21279/1454-864x-21-i1-024.

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The repair and maintenance operations carried out within a shipyard are correlated with the process of ensuring and managing the resources necessary to carry out the works included in the technical specification. Resource planning is a complex issue that can be addressed from several points of view. Initially, the planning of activities is done taking into account only the analysis of the time parameter and the dependencies between activities imposed by the technological process. The practice of the activities carried out in a shipyard has demonstrated that an analysis of the necessary resourc

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Panchuk, Myroslav, Aleksander Sładkowski, Andrii Panchuk, and Iryna Semianyk. "New Technologies for Hull Assemblies in Shipbuilding." Naše more 68, no. 1 (2021): 48–57. http://dx.doi.org/10.17818/nm/2021/1.6.

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The modern stage of shipbuilding industry development is characterized by an intense competition and the beginning of introduction of new materials and effective welding technologies, which change the appearance of this quite conservative field, at leading global shipbuilding enterprises. In particular, the application of laser technologies during ship construction decreases the cost of hull manufacturing by 30%, increases the production capacity by 10%, and reduces welding deformations by 30% compared to traditional welding methods. The application of composite materials for ship construction

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Stevan, Paul, Triwilaswandio Wuruk Pribadi, and Sufian Imam Wahidi. "Computer-Based Android Application for Vessel’s Condition Survey by Owner Surveyor." Applied Mechanics and Materials 874 (January 2018): 165–73. http://dx.doi.org/10.4028/www.scientific.net/amm.874.165.

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Ship condition survey is a survey conducted by an Owner Surveyor for reporting the actual condition of the ship and parts. Presently, the condition survey is still done manually that Owner Surveyor has to survey based on survey list which is published by the ship’s owner company. The survey result will be presented in the form of a report, which will be submitted to ship’s owner as consideration for doing repair and maintenance. The survey process which done presently is not effective and many Owner Surveyors have not sufficient knowledge and experience, and also the process of presenting a su

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Darmanto, Seno, Sutanto Sutanto, Sulaiman Sulaiman, and Eko Julianto Sasono. "APLIKASI TEKNOLOGI SEDERHANA DAN PERMESINAN UNTUK MENINGKATKAN KEAHLIAN RENOVASI LAMBUNG PERAHU." J-ABDIPAMAS (Jurnal Pengabdian Kepada Masyarakat) 2, no. 1 (2018): 53. http://dx.doi.org/10.30734/j-abdipamas.v2i1.157.

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ABSTRACTApplications of technology and machinery equipment in service activities are done to complete the renovation and repair of boats or wooden vessels. Development of the infrastructure for members of the fishermen group is currently focused on equipment for the repair and renovation of the boat hull and the maintenance of the driving machine. And for the improvement of the renovation or repair of the boat hull, the service team has compiled a working activity including understanding and deepening of boat or wooden boats, engineering and equipment for renovation and boatbuilding, understan

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BURSZTYŃSKI, Andrzej. "LOGISTIC ASPECTS OF RESTORING SHIP’S TECHNICAL EFFICIENCY." Scientific Journal of the Military University of Land Forces 158, no. 4 (2010): 46–60. http://dx.doi.org/10.5604/01.3001.0002.2725.

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A ship’s combat readiness is significantly dependent on the technical worthiness of basic ship equipment and mechanisms. Technical worthiness is determined by operation rates and depends on the condition of equipment. While using military equipment, one may expect the wear and tear of systems resulting from physical ageing, operation or combat damage. The restoration of ship’s technical efficiency is completed after returning to the harbour or during operations at sea. The tasks of restoring technical efficiency are performed in harbours and in naval bases by ashore elements of the repair syst

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Suharyo, Okol Sri, Ayip Rivai Prabowo, and Eko Krisdiono. "Decision making of maritime development scenario on the impact of naval base for supporting navy ships operations." Decision Science Letters 11, no. 1 (2022): 81–90. http://dx.doi.org/10.5267/j.dsl.2021.8.002.

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The Indonesian Navy is the spearhead in maintaining maritime security in Indonesian waters. In carrying out its main tasks, the Indonesian Navy has components of an Integrated Fleet Weapon System in which there are elements of Ships and Naval Bases. To ensure the effectiveness of carrying out operations by ship elements, ship operations are supported by the Naval Base as the organizer of the support function. Naval Base's carrying capacity consists of 5 (five) support functions, including: (1) support for anchoring facilities; (2) support for supply facilities; (3) support for maintenance and

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Jiang, Ge, Dingzhong Feng, and Weihang Zhu. "A Large and Heavy Cargo Transport System Designed for Small and Medium Ship Maintenance and Repair." Journal of Ship Production and Design 33, no. 3 (2017): 212–20. http://dx.doi.org/10.5957/jspd.33.3.160019.

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