Pdf maintenance and its types engr sajid chaudhary. Emergency maintenance maintenance activities that are unscheduled repair, to include call outs, to correct an emergency need to prevent injury. The basic types of maintenance falling under mro include. This log will contain information relevant to current or accomplished work. Companies smes as well as large groups know how their productivity partly depends on their industrial maintenance processes. Case study aircraft maintenance aircraft maintenance is the overhaul, repair, inspection or modification of an aircraft and aircraft components airlines authorities casually refer to the detailed inspections as checks. Software maintenance like installingdeinstalling programs, antivirusmalware software programs, backing up files, etc 2. Time based maintenance tbm failure finding maintenance ffm risk based maintenance rbm condition based maintenance cbm predictive maintenance. Occasional treatments like whitewashing or painting at certain intervals must be carried out. Planned maintenance improves uptime and quality of output and reduces repair maintenance costs through the continuous quality. There are basically four types of planned maintenance i. In reality, during the time we believe we are saving maintenance and capital cost, we are really spending more money than we would have under a different maintenance approach. It is applied, as we will see, to equipments with the lowest level of criticality, whose faults are not a problem, economically or technically.
Pdf on jan 1, 2018, omid gooranorimi and others published maintenance and repair costs for different types of parking structures find, read and cite all the research you need on researchgate. These are all susceptible to natural decay due to ageing. Routine maintenance, generally carried out by production personnel. The set of tasks is destined to correct the defects to be found in the different equipment and that are communicated to the maintenance department by users of the same equipment. Wear in the bores for the poppets of the valve guard can limit its lifetime. Five types of maintenance are in fact recurrent in the industry. Identify the different types of personal safety equipment. While there are a lot of different types of maintenance strategies out there, most discussions about which strategy you should implement come down to comparing reactive vs preventive vs predictive maintenance if you are or were a part of this debate, youre probably aware that the answer isnt always that obvious. This is a cost we could minimize under a different maintenance strategy. It will also contain information about the employees involved, time frames for the job, and so on. Explain different types of maintenance giving suitable example. Underway maintenance, carried out by maintenance staff yet not needing plant, area or a whole system stoppage. Suggest an organisation structure for the maintenance department of a medium sized company. Hardware maintenance, or breakfix like replacing the hard drive or cpu processor, or lets say the wifi card after th.
All facilities have some mix of the preventive and corrective tactics, and theoretically there should be a preventivetotal maintenance ratio that minimises the total maintenance cost. These concepts are not always easy to understand or are not wellknown by certain people, thats why they need to be cleared up. Maintenance types preventive, predictive, proactive. Primary goalpreserve and enhance equipment reliability. The purpose of preventative maintenance is to prevent assets from breaking down by performing maintenance regularly instead of conducting maintenance once failure has occurred. After reading this article you will learn about maintenance management. Preventive maintenance involves implementing changes to prevent the occurrence of errors. This maintenance is a need towards the active and passive services performed by equipment or a body. The pros and cons of different maintenance strategies. Different types of maintenance exist because maintenance teams within different organizations have different budgets, equipment needs, and service level agreements with customers and internal departments like production. The different types of maintenance are listed below. Preventive, predictive, corrective and shutdown maintenance.
These building maintenance works with special treatments are discussed. Pdf maintenance and repair costs for different types of. Types of maintenance breakdown maintenance preventive maintenance 1. The good condition of the building is guaranteed by proper building maintenance.
All maintenance approaches encourage the use of preventive tactics, although corrective maintenance tactics are also used. Plant maintenance and its types time and condition based. Such a thing could be used when the equipment failure does not significantly affect the operation or production or generate any signific. Explain different types of maintenance giving suitable.
Its mission is to maintain a level of certain service on equipment, programming the interventions of their vulnerabilities in the most opportune time. This type of maintenance has many different variations and is subject of various. Definition of preventive maintenance pm schedule of planned maintenance actions aimed at the prevention of breakdowns and failures. Pdf due the fact that there are a wide terminologies to define types of. Four general types of maintenance philosophies can be identified, namely corrective, preventive, riskbased and conditionbased maintenance. The real actual equipment condition is continuously assessed by the online detection of significant working device parameters and their automatic comparison with average values and performance. We are spending more money associated with capital cost because, while waiting for the equipment to break, we are shortening the life of the equipment resulting in more.
Different types of maintenance are being practiced in various parts of world. In accordance with the scope of the tasks, maintenance can be divided into the following types. Read and interpret blueprints, drawings, diagrams, and. Both are very important and will decisively influence the operation of the system. A building is made of different parts in different locations and made of different materials. Maintenance based on the equipment performance monitoring and the control of the corrective actions taken as a result. The marine and air transportation, offshore structures, industrial plant and facility management industries depend on maintenance, repair and overhaul mro including scheduled or preventive paint maintenance programmes to maintain and restore coatings applied to steel in environments subject to attack from erosion, corrosion and environmental pollution. These concepts are not always easy to understand or are not wellknown by certain people, thats why. A maintenance mix is the degree to which a strata corporation has adopted each of the three types of maintenance strategies and distributed these across the many different assets in the building. Types of maintenance compare different types of maintenance. Different models of maintenance defined as a mixture of different types of maintenance in the proportions necessary for each equipment.
Pdf copy of the article and a supporting presentation that explains the different types of maintenance and when. Pdf organizational structure of maintenance organization. This is the most basic model, and includes, in addition to visual inspections and lubrication mentioned previously, the arising breakdowns repair. Adoption of particular maintenance type greatly depends upon the resources of organization or company. While designing, the life of the members is assumed with normal maintenance. Preventative maintenance predominantly features two different types of maintenance. Types of building maintenance works for durability of. Routine maintenance of the structure is essential to keep it functional and protect it against early decay. Component renewal preventive maintenance activities that recur on a periodic and scheduled cycle of greater than 10 years. Time based maintenance tbm failure finding maintenance ffm risk based maintenance rbm condition based maintenance cbm predictive maintenance pdm. Preventive maintenance is the most popular type of proactive maintenance. Maintenance is carried out when certain indicators give the signaling that the.
There are different types of building maintenance works carried out for durable building structures. Cleaning, lubrication, replacement of worn out parts performing intense duty or due to wear and tear. Perfective maintenance is concerned with the change in the software that occurs while adding new functionalities in the software. The distribution of types of maintenance by type and by percentage of. Preventive maintenance principles mit opencourseware. In the maintenance literature it is generally recognized that maintenance. Pdf proposal of maintenancetypes classification to clarify. Over time, this has come to include multiple wordings that describe various costeffective practices to keep.
One maintenance approach may cost less than other so each professional has to see the resources and then decide for which maintenance type is best for his plant. Past and current maintenance practices in both the private and government sectors would imply that maintenance is the actions associated with equipment repair after it is broken. This job is easier than it is for the plate and ring type valves. Maintenance activities are related with repair, replacement and service of components or some identifiable group of components in a manufacturing.
The maintenance includes both hardware and software of the computer. Break down maintenance it means that people waits until equipment fails and repair it. It means that people waits until equipment fails and repair it. The various types of maintenance can work simultaneously. Hmo, ppo, epo, or pos higher outofpocket costs than many types of plans. Building repairs and maintenance services mainly includes works undertaken for maintaining proper condition of buildings, its services and works in ordinary use. When hiring personnel paid on an hourly basis, this log will come in handy. The technical meaning of maintenance involves functional checks, servicing, repairing or. Because so many types of maintenance exist, its hard to know which one is best for your organization. When approaching the different types of it maintenance, two aspects must be considered.
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