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2089 results Most recent
  • Will a maintenance friendly design contribute to lower life-time costs of a vessel?

    Authors

    R K Hansen

    Shelf Location

    213d

    Abstract

    The annual maintenance and repair costs of an average container vessel are about $3000 which is about 6% of total operating costs. Maintenance costs could be reduced by making maintenance work easier and by reducing the maintenance load; both these approaches are briefly discussed. The need for maintenance friendly ship designs is emphasised.

    Authors

    R K Hansen

    Date published

    1998

    Shelf Location

    213d

  • Maintenance overhaul and repairs to hatch covers

    Authors

    D E Turnbull

    Publisher

    IMarE Conferences and Symposia

    Abstract

    Developments in the design sealing drainage and cleating of MacGregor hatch covers described Recommended maintenance discussed including availability of spares contract maintenance services and sea going maintenance/repair teams Diagrams illustrate the companys water tight seal systems

    Authors

    D E Turnbull

    Date published

    1977

    Publisher

    IMarE Conferences and Symposia

  • Study on maintenance of ING cargo lines using a risk-based maintenance system developed for rotating machinery including the main engines and auxiliary machinery of ships

    Authors

    Hiromi Shiihara

    Date published

    2008

    Abstract

    RBM (risk-based maintenance) previously been adopted for power-generating plants and oil refinery plants is now being expanded to offshore plants as well. Qualitative RBM has also been introduced as an element of classification surveys for engines and auxiliary machinery of ships as a type of RCM (reliability centred maintenance). However it has been difficult to apply RBM to rotating machinery because almost all RBM systems are based upon API581 or ASME CRTD standards which are designed for pressure vessel leakage through holes generated by mechanical damage. Nippon Kaiji Kyokai has developed the world's first RBM system for rotating machinery including the main engines and auxiliary machinery of ships. Using past maintenance data this RBM system provides risk matrixes and can predict future changes to risk levels for different maintenance methods. One study has been carried out using this RBM system on an LNG cargo line extending from the shore connection to the cargo pumps in the ship's cargo tank. The results of this study show that RBM evaluation provides a practical and transparent method for developing maintenance plans by determining numerical risk which is calculated by the multiplication of failure probability and the consequences of failures.

    Authors

    Hiromi Shiihara

    Date published

    2008

  • A maintenance strategy to meet the challenges of a mature installation

    Authors

    David Atkinson

    Date published

    2002

    Abstract

    An effective maintenance strategy must be tailored to the condition of the equipment and be aligned with the organisations business objectives. A method of achieving these two goals is presented. In mature installations the business objectives often place great demands on the strategy to ensure cost-effective delivery of reliable operation. Reliability Centred Maintenance is a valuable tool for translating the strategy into practical maintenance activities. However in a mature installation there is scope to use a simplified approach to build upon existing maintenance practices and to develop a set of maintenance activities. By using a risk assessment technique on these activities an effective maintenance plan aligned to the business objectives can be developed. This method is illustrated with a practical example relating to the maintenance of high voltage distribution circuit breakers in a large petro-chemical complex.

    Authors

    David Atkinson

    Date published

    2002

  • The role of information technology for reduction of maintenance cost

    Authors

    M Rasmussen ; H Moen

    Publisher

    IMarE Conferences and Symposia

    Abstract

    The Reliability Centred Maintenance (RCM) technique is a structured method for maintenance analysis in all phases of an item's life cycle from design to operation and phase-out. It is an aid to increasing quality in maintenance by ensuring high safety standards and optimising plant availability while controlling maintenance costs. The RCM concept is based on systematic analysis which can be divided into four major steps: criticality evaluation of main functions functional breakdown and creation of a function hierarchy cause and consequence analysis and selection of maintenance strategy and spare parts evaluation. An initial maintenance policy based on these analyses is continuously improved by data reported from operation.

    Authors

    M Rasmussen ; H Moen

    Date published

    1996

    Publisher

    IMarE Conferences and Symposia

  • Achieving Best Practice Maintenance

    Authors

    IIR

    Publisher

    IIR

    Abstract

    Conf held 12-13 May 1992 in London UK. Papers are - Developing a strategic approach to maintenance Assessing your maintenance efficiency through accurate auditing then implementing an improvement programme Developing and implementing an effective action plan to achieve your maintenance goals Weighing up the real costs and benefits of implementing a maintenance improvement programme Selecting the right maintenance techniques and management strategies for your company Improving operations through reliability centred maintenance Improving your operations by pushing for total productive maintenance The practicalities of getting workforce involvement to achieve best practice in maintenance Managing condition based maintenance for maximum production efficiency The changing role of the computer system in an evolving maintenance organisation Assessing and bridging the skills gap - improving maintenance efficiency through the training and development of flexible work teams

    Authors

    IIR

    Date published

    1992

    Publisher

    IIR

  • Shipcare 78 - Towards the cost effective operation maintenance and repair of ships Seminar Papers Day 3 April 18-21 1978 Hamburg

    Authors

    Shipcare 1978

    Shelf Location

    214d

    Abstract

    Semn held in Hamburg April 18 - 21 1978 Papers are The European ship repai r industry - current status and future prospects Ship operators view of repair facility requirements Hull loss prevention and mitigation Technology and ship operation En voyage repair and retrofits - the operators viewpoint Progress in classification society survey techniques Corrosion control Retrofitting vessels to comply with inevitable legislation Assessing and planning for drydocking requirements of a mixed tonnage fleet In water survey and afloat maintenance from the operators point of view In water maintenance - a classification society view point In water surveys maintenance and repair - the state of the art Application of low quality fuels in large bore diesel engines Aspects for future bunker fuels and their influence on engine performance Lubrication efficiency as means of reducing operation and maintenance cost Microbial infection of ships lubricants Control systems - availability maintenance and repair Monitoring and diagnostic system for four stroke diesel engines A look ahead in turbine maintenance Marine fuels and lubricants - towards 1990 Spares selection and procurement viewpoint from a ship operator Spares selection and procurement - viewpoint from original spares suppliers - viewpoint from "open market" spares supplier

    Authors

    Shipcare 1978

    Publisher

    Intec Press

    Shelf Location

    214d

    Date published

    1978

  • Topside Maintenance Vol 2 Third Annual Henry Stewart Conferences 16-17 February 1993, Aberdeen

    Authors

    Henry Stewart

    Shelf Location

    213c

    Abstract

    Conf held 16-17 February 1993 in Aberdeen UK. Papers are - New regulations and approaches by the regulatory authorities Setting equipment maintenance strategies in the 90s Maintenance modelling Developing and implementing standard maintenance procedures Getting the most from your computerised maintenance management system Computerised maintenance management systems - the next generation The pros and cons of contracting out maintenance - balancing the cost savings against loss of control

    Authors

    Henry Stewart

    Publisher

    Henry Stewart

    Shelf Location

    213c

    Date published

    1993

  • On condition maintenance. Monitoring the mechanical health of plant and machinery for cost-effective maintenance

    Authors

    R A Collacott

    Shelf Location

    229a

    Abstract

    This paper deals with on-condition maintenance, which is the maintenance carried out when required after a significant deterioration in a component as indicated by a sensor or monitored parameter.

    Authors

    R A Collacott

    Publisher

    Leicester Polytechnic

    Shelf Location

    229a

    Date published

    1979

  • A possible application of reliability centred maintenance principles in the design construction and operation of high-speed vessels

    Authors

    Richard S Ploss

    Date published

    1999

    Abstract

    High-speed vessels offer cost-effective options for short-haul surface transportation in regions with navigable waterways and heavily congested surface arterials. A concept is presented to use RCM (reliability centred maintenance) in conjunction with an existing ABS Guide to satisfy Special Continuous Survey of Machinery requirements. RCM combines design and maintenance requirements to control maintenance costs and realise enhanced operational reliability. It is shown how RCM concepts could be used with existing rules and regulations to help develop the maintenance plan intended to satisfy the maximum number of survey items and to provide data to support the extension of machinery overhauls beyond the five-year cycle and eliminate unnecessary maintenance tasks.

    Authors

    Richard S Ploss

    Date published

    1999

  • Shipcare 76 - Towards the cost effective operation maintenance and repair of ships Day 2 Seminar Papers 13-15 October 1976

    Authors

    Shipcare 1976

    Shelf Location

    214d

    Abstract

    Semn held 13 - 15 Oct 1976 Papers are World ship repair facilities - outlook for the next decade Maintenance economics of superintendence and ship operation A hull underwriters view on loss prevention The adjustment of marine insurance claims Ship repair and ageing tonnage A resume of current classification society and statutory survey requirements Fault diagnosis on condition maintenance NYKs fleet upkeep management system and the "easy maintenance" ship Planned maintenance Major hull repairs Sterngear systems maintenance and repair Corrosion control - internal and external hull protection Restoration of turbine plant fuel rate Control systems maintenance and repair Slow speed diesels - maintenance and repair Maintenance of medium speed diesel engines Studies on reasonable cylinder lubrication for marine diesel engines Long term service and maintenance aspects of medium speed diesel engines operating on heavy fuel Planned maintenance and spares management

    Authors

    Shipcare 1976

    Publisher

    Intec Press

    Shelf Location

    214d

    Date published

    1976

  • Maintenance Planning Utilising Maintenance Data

    Authors

    IIR Industrial ; Optimis Ltd

    Publisher

    IIR/Optimis

    Abstract

    Two One Day Events Held 3 and 4 April 1990 in Aberdeen Papers are Maintenance strategy selection Cost and safety-effective maintenance planning Computerised management of maintenance data Using your reliability data Conditioning monitoring evaluation strategy

    Authors

    IIR Industrial ; Optimis Ltd

    Date published

    1990

    Publisher

    IIR/Optimis

  • Discussion on ship machinery maintenance based on oil monitoring

    Authors

    X P Yan ; H L Xiao ; R S Burns

    Publisher

    Computational Mechanics Publications

    Abstract

    The principles methods and programs of oil monitoring are discussed. Old techniques of marine machinery maintenance are reviewed. From the monitored experiences of diesel engines mounted in tugboats a suitable maintenance system is suggested based on oil monitoring. Applications are carried out. It is concluded that oil monitoring methods applied to ship machinery monitoring are helpful in reforming the old maintenance techniques and developing predictive maintenance in ships.

    Authors

    X P Yan ; H L Xiao ; R S Burns

    Date published

    1995

    Publisher

    Computational Mechanics Publications

  • Managing RAN maintenance cost effectively

    Authors

    P M Kholer ; F A Marshall

    Publisher

    IMarE Conferences and Symposia

    Abstract

    An extensive review of maintenance philosophy and practices in the Royal Australian Navy has been carried out by BHP Information Technology and the RAN Maintenance Management Working Group and has resulted in an new system based on the principles of "Capability Delivery Approach" (CDA) and "Cost Optimising Maintenance". Exploratory work on the system has been carried out on the HMAS Tobruk and is briefly discussed. Future promotion and revision will be carried out by the Maintenance Development and Implementation Project (MDIP).

    Authors

    P M Kholer ; F A Marshall

    Date published

    1994

    Publisher

    IMarE Conferences and Symposia

  • The use of noise and vibration techniques for maintenance purposes and trouble shooting

    Authors

    B H Thomas

    Publisher

    RINA Conference Proceedings

    Abstract

    Many marine companies carry out conventional Planned Maintenance which is expensive and often inefficient. Therefore a range of surveys audits and programmes using vibration technology have been developed. Different noise and vibration analysis techniques are reviewed and illustrated with practical examples. Ship owners who use a powerful programme of "Predictive Maintenance Vibration Programme" benefit from improved safety less maintenance costs and better quality control for maintenance work. The system's 'Trouble Shooting' capability helps to reveal and analyse problems before they become serious.

    Authors

    B H Thomas

    Date published

    1995

    Publisher

    RINA Conference Proceedings

  • Flexible diesel engine maintenance options for our partners

    Authors

    S Hasty

    Date published

    1998

    Abstract

    An overview of the rapidly developing fast ferry market highlights the differences between this application and that which utilises conventional vessels. Discussion examines significant features of: structural design and layout; power requirements; machinery space arrangements; load profiles; engine ratings and operation; and maintenance management. Particular attention is paid to the Flexible Maintenance Options offered to operators by the Caterpillar engine company and based on Maintenance and Repair Contracts (MARCs) for different levels of Preventative Maintenance Schedule (PMs). Illustrative examples are included.

    Authors

    S Hasty

    Date published

    1998

  • Principles and practice of aircraft powerplant maintenance

    Authors

    A E Davies

    Date published

    1972

    Abstract

    Maintenance is first briefly defined then special requirements of aircraft engines are considered. Reliability maintainability and overhaul are defined. Infant mortality random and time dependent failure types are discussed. The notions of failure rate and Mean Time Between Failures (MTBF) and confidence levels for failure rates are discussed. Regulatory authorities are dealt with including the Air Registration Board and the Federal Aviation Authority. The FAA lays down maintenance categories of Hard Time On Condition overhaul and condition monitoring and these are mentioned. Scheduled maintenance and zone inspection unscheduled maintenance and flight deck monitoring and the inspection of lubricating systems are discussed.

    Authors

    A E Davies

    Date published

    1972

  • Service and maintenance contracts for propulsion systems

    Authors

    Janneke Carbaat-Visser ; Joop van der Heijden

    Date published

    2004

    Abstract

    Reliability and low maintenance costs are important factors for operators. Wartsila supplier of propulsion systems such as 'Lips' fixed pitch propellers controllable pitch propellers and steerable thrusters has developed a program to secure the performance of the propulsion installation. It has analysed the propulsion installations to improve predictability and introduced a failure code database leading to a design approach that predictive or condition-based maintenance program is set up limiting unscheduled maintenance. The types of maintenance are described followed by the service friendly design and the maintenance management and contracts. Conclusions are drawn.

    Authors

    Janneke Carbaat-Visser ; Joop van der Heijden

    Date published

    2004

  • Ship operation and maintenance - The examination of maintenance costs

    Authors

    A N S Burnett

    Shelf Location

    229c

    Abstract

    This series of articles on ship operation and maintenance look at capital costs and technical specifications, ships trial and equipment performance, management of maintenance and related human factors, control of maintenance - the key to profits, and gives questions and answer between a shipowner and the author.

    Authors

    A N S Burnett

    Publisher

    International Marine Services

    Shelf Location

    229c

    Date published

    1971

  • Management of ship maintenance

    Authors

    E Tzannatos ; K Markakis

    Publisher

    IMarE Conferences and Symposia

    Abstract

    The management of ship maintenance (corrective and preventive) through the development of a ship specific maintenance policy (which addresses need available resources and funding) supported by a Maintenance Management Information System (MMIS) is discussed with supporting flow diagrams and schematics.

    Authors

    E Tzannatos ; K Markakis

    Date published

    1995

    Publisher

    IMarE Conferences and Symposia