...performance. Resources include manpower, materials, tools and special equipment. Access refers to when the equipment will be prepared and accessible so that it can be worked on in safe (locked out/tagged out) condition, with necessary precautions taken, permits obtained, and any specialized documentation, drawings, or information in hand. Proper time relates to job start, duration of execution, and completion within the time frame agreed upon with the internal customer during the weekly coordination meeting. The Weekly Expectation Scheduling is the locus from which all maintenance activity is executed. Scheduling should be viewed as the “point” function and “marketing arm” of the system because it yields the earliest tangible results (often within weeks of start up). All individuals and groups perform better and accomplish more with clearly established, communicated and published expectations. When the maintenance function is managed without a weekly schedule, there are no specific expectations as to what is to be accomplished with the resources for which payroll checks will be drawn. Instead, whatever reactive demands are made is what will be done. The fundamental requirement target (the schedule) against which to control, followed by action (execution of the schedule) to achieve the target. The results, measured against the original intention (called schedule compliance), provide feedback for correcting deviations (improving future schedule compliance). Managers...
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...our spirit all aided us to surmount difficulties during doing the research and show our ability confidently as well. We are also indebted to HUCFL Second - year English students for their cooperation to complete our questionnaires and their active contributions to suggest feasible solutions for our research topic. Last but not least, we can’t help mentioning the remarkable efforts of our group members. They conducted the research to the best of their ability and worked very hard to perfect the research as well as possible. Their merits are thankworthy. ABSTRACT Our research was carried out to investigate the attitude of HUCFL Second- year English students toward the school facility protection and some solutions for school facility maintenance. Due to the important of school facilities in the cause of HUCFL’s education- training and its status quo, we carried out the small- scale research to examine main causes of HUCFL’s facility damage. We delivered 20 questionnaires randomly to the Second – year English students and we thereafter analyzed the data collected from those questionnaires. Based on the research findings, we had the clear understanding about the concerned reality of HUCFL’s school facilities and the close relationship between the lack of students’ awareness and the degraded quality of the facilities. What is more, we realized that the students’ responsibility for protecting the school facilities is the main...
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...completed much faster by technicians that perform it regularly and have all of the special equipment necessary. Taking everything into consideration I recommend that we outsource the inspection. Should Pacific Jet outsource the 72 month inspection? This is the first 72 month inspection that our 135 charter company (Pacific Jet) has coming due. Since we are a small operation with only 3 aircraft and 4 maintenance technicians performing a 72 month inspection in-house will be a huge undertaking. The main items to consider are costs, aircraft downtime, and quality control issues. We have to decide if we want to perform this inspection in-house our outsource it. The airlines have been outsourcing maintenance for decades and have accelerated this outsourcing rapidly since 2001. In 2005, some airlines outsourced as much as 62 percent of their maintenance and that number continues to grow. While they have increased their outsourcing of maintenance their accident rates have declined, statistically proving that outsourced maintenance is safe (Armstrong, 2007). There are many companies that could perform this inspection for us if we decide to outsource...
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...MAINTENANCE MANAGEMENT Prof. O.P. Gandhi ITMMEC, IIT Delhi The term ‘maintenance’ means to keep the equipment in operational condition or repair it to its operational mode. Main objective of the maintenance is to have increased availability of production systems, with increased safety and optimized cost. Maintenance management involves managing the functions of maintenance. Maintaining equipment in the field has been a challenging task since the beginning of industrial revolution. Since then, a significant of progress has been made to maintain equipment effectively in the field. As the engineering equipment becomes sophisticated and expensive to produce and maintain, maintenance management has to face even more challenging situations to maintain effectively such equipments in industrial environment. This brief lecture on maintenance management includes maintenance strategies, functions of maintenance department, maintenance organization and elements of maintenance management. MAINTENANCE STRATEGIES OR OPTIONS A maintenance strategy or option means a scheme for maintenance, i.e. an elaborate and systematic plan of maintenance action. Following are the maintenance strategies [1] that are commonly applied in the plants. • Breakdown Maintenance or Operate to Failure or Unplanned Maintenance • Preventive or Scheduled Maintenance • Predictive or Condition Based Maintenance • Opportunity Maintenance • Design out Maintenance The equipment...
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.... Chapter Failure prevention and recovery 19 Eurotunnel response team during one of their regular patrols in the tunnel Source: Eurotunnel Introduction One obvious way of improving operations performance is by preventing failure. Failure is rarely unimportant, but in some operations it is vital that processes do not fail. Failure in aircraft in flight, for example, or electricity supplies to hospitals, or car seat belts, or the emergency services can be literally fatal. For these operations dependability is not just desirable, it is essential. Even in less critical situations, having dependable processes can give a competitive advantage. But no process is perfect and failures will occur. So it is important that we learn from all failures and have plans in place which help them recover and minimize their effects. Figure 19.1 shows how this chapter fits into the operation’s improvement activities. Operations strategy Failure prevention and recovery Operations process improvement makes processes better Design Operations management Improvement Total quality management organizes process improvement Planning and control Failure prevention and recovery stops processes becoming worse Topic covered in this chapter Figure 19.1 This chapter covers failure prevention and recovery . 618 Part Four Improvement Key questions I I I I I ??? Why do operations fail? How is failure measured? How can failure and potential failure be...
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...Recommend and Implement a New Maintenance Ticketing Process Comcast South Florida has recently launched its new Customer Guarantee program that guarantees the work and services performed for 30 days or the consumer is able to receive several different packages as compensation. Recently the organization has changed its ticketing process when referring jobs to the Maintenance / Engineering Department and has asked my local leadership team to review and revamp the new process. This proposal provides a brief overview of the current process including its intricacies and outlines how we will perform our research and testing in preparation for our full report. Problem The newly revised Maintenance / Engineering ticketing system (also known as the - refer to maintenance) was intended to streamline the process and reduce downtime. Unfortunately, this revised ticketing process resides within its own system (TTS and Watchtower) and does not communicate with the current billing system (CSG), work order system or the call center. This has caused unnecessary additional down time for customers if their issues were not resolved the 1st time, financial loss from the company’s perspective and an inconvenienced customer. We need to identify a methodology that will allow the new ticketing system to communicate to the traditional billing system and all cross-functional areas. Justification/Feasibility With the new addition of Watchtower and TTS maintaining and issuing maintenance ticket numbers, the communication...
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...MAINTENANCE MANAGEMENT The term ‘maintenance’ means to keep the equipment in operational condition or repair it to its operational mode. Main objective of the maintenance is to have increased availability of production systems, with increased safety and optimized cost. Maintenance management involves managing the functions of maintenance. Maintaining equipment in the field has been a challenging task since the beginning of industrial revolution. Since then, a significant of progress has been made to maintain equipment effectively in the field. As the engineering equipment becomes sophisticated and expensive to produce and maintain, maintenance management has to face even more challenging situations to maintain effectively such equipments in industrial environment. This brief lecture on maintenance management includes maintenance strategies, functions of maintenance department, maintenance organization and elements of maintenance management. MAINTENANCE STRATEGIES OR OPTIONS A maintenance strategy or option means a scheme for maintenance, i.e. an elaborate and systematic plan of maintenance action. Following are the maintenance strategies [1] that are commonly applied in the plants. • Breakdown Maintenance or Operate to Failure or Unplanned Maintenance • Preventive or Scheduled Maintenance • Predictive or Condition Based Maintenance • Opportunity Maintenance • Design out Maintenance The equipment under breakdown maintenance...
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...Home Maintenance PRG/211 Team Project Travis Beasley Problems with home maintenance can become harmful if not taken care of in a timely manner. The most cost-effective way to protect your home is with ongoing and preventive maintenance. Spending time and money now can help avoid costly repairs and improve your home’s ability to with stand natural hazards. Ongoing maintenance goes a long way toward avoiding costly repairs, improving energy efficiency, prolonging the life of major systems and appliances and preserving your home’s value. A regular schedule of seasonal maintenance is the best way to protect your home and stop the most common and costly problems, before they occur. Establishing a routine, you will find the work is easier to accomplish and not as time-consuming. There are simple solutions to keeping the maintenance on the house done. There are some things that can be done during the Spring and others during the Winter. This proposal will go over the problems that occur within a home and when to fix those problems. There will be inputs and outputs of data that will help in the process of taking care of the home maintenance. First here are the inputs and outputs of data within the program to ensure everything works as it should when it comes to the home maintenance. START Input Data Module: 1. Input the current season of the year as “CurrentSeason” numbered 1-4. 2. Insert For loop to ensure only a valid input (1-4) is entered a. If not – kick back...
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...Treatise on Truck Maintenance for Mining Operations Bob Grossman Fa Cai Enterprise LLC March 22, 2015 Abstract: Truck maintenance represents a significant proportion operating costs in mine maintenance operations. Despite the large cost of truck maintenance, most management teams have given little attention to the optimization of the truck maintenance process. As the truck systems becomes more sophisticated and expensive to produce by the Original Equipment Manufacturers so has the sophistication to effectively maintain the truck systems by the end user. Given that most easy mining operations have been found and exploited and that the ore bodies that are increasing difficult to mine are left; it is vital that optimization of the truck maintenance is done. This documents highlights the types of maintenance practices used: reactive, proactive, preventative and predictive. Introduction: Truck maintenance related costs account in the range of 20-25 percent of direct mining cost. Whilst a significant amount of energy has been dedicated to analyzing and optimizing production oriented processes and practices. Very little attention has been focused towards the optimization of the truck maintenance process and practices. Truck maintenance is a controllable cost and large cost reductions and improvements in equipment reliability, performance may be achieved through implementation of a rationalized truck maintenance approach. The implementation of truck maintenance programs or...
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...The ABC’s of Failure – Getting Rid of the Noise in Your System For the past 40 years, I have observed many companies, including DuPont (where I spent 27 years) pursuing planned maintenance with the standard tools of planned maintenance: inspections, planning, scheduling, materials procurement, CMMS systems, etc. with the same results. They succeed for a while and get their percent planned and scheduled maintenance up to the 80+ only to see that drop back later to 60 I am amazed how many of the companies we work with have had this experience. This pattern of behavior has led us to conclude that the reason for this experience is that only 60% of the normal work of maintenance is inherently plannable. The rest of the work is created by random acts of what we are now calling care-lessness. The sites where we see people break this pattern and achieve 92% to 96% planned maintenance for the long term without regressing, are the ones who eliminate the inherently unplannable work. Of course, this cannot be done by maintenance alone. Everyone who does work at a site contributes to the defects that create the unplannable work, and therefore everyone must participate in eliminating the defects that create the 40% of the work that is unplannable. In the diagram below we attempt to more clearly articulate the true significance of Defect Elimination by outlining the ABC’s of failure. Fundamentally, failures happen because things that exist are not perfect. To reduce failures we must eliminate...
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...Lecture 1 M/M/1 exponential/gemiddelde tijden M/D/1 fixed/vaste tijden λ = average number of arrivals per hour ρ = utilisation rate µ = service rate Propability of more than k customers in the system Pn>k= λµk+1= ρk+1 Probability of exactly n customers in the system P0= 1-λµ =1-ρ Pk= Pn>k-1- Pn>k= λµk-λµk+1= 1-λµ λµ k=1-ρ ρk Lecture 2 Interarrival time =tijd tusen 2 arrivals Throughput time = tijd tussen binnenkomst van het systeem en verlaten van het systeem Design capacity = theoretical maximum output of a system/procs in a given period Effective capacity = capacity that can be expected given the product mix, methods of scheduling, maintenance and standards of quality. Sufficiency design capacity = suffient als het systeem het aantal klanten aankan, anders insuffient. Bottleneck = Process that limits the output of a system (smallest design capacity). If the system has no bottleneck, then the arrival rate is defind as bottleneck. Departure rate (throughput) = number of products/customers that leave the system per time unit. If arrival process is bottleneck, then: departure rate = arrival rate! Utilisation = fraction of time a machine is used for production. n = number of parallel servers ρ = utilisation rate Utilisation rate = operating timetotal time=actual outputdesign capacity ρ=λnµ Productive utilisation rate = equal to utilisation but excludes set-up times Work-in-progress = number...
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...Spring 2010 School of Engineering Maintenance impact on Production Profitability - A Case Study Växjö, 2010 Thesis no:TEK 028/2010 Obamwonyi Martyn Enofe Gregory Aimienrovbiye Department of Terotechnology (Total Quality Maintenance) Linnaeus University School of Engineering Department of Terotechnology (Total Quality Maintenance) 4SE31E Degree Project Master Thesis Författare/ Authors Obamwonyi Martyn Enofe Gregory Aimienrovbiye Linnaeus University Institutionen / Institution School of Engineering Department of Terotechnology (Systemekonomi) Dokumenttyp/Type of document Examensarbete (Degree Project) Handledare/Tutors Matias Taye Examinator/ Examiner Basim Al-Najjar Title och undertitel/ Title and subtitle Maintenance impact on Production Profitability - A Case Study Sammanfattning/Abstract Maintenance has had a tremendous impact on company’s proficiency to optimize its production system in order to meet its long term objectives. Generally, a production system in which maintenance is not given attention may easily lead to the system producing defective product as a result of machine defect. The purpose of this thesis is to utilized tools and methods to analyze the impact of maintenance implementation in a production system. The analytical Hierarchy process was utilized to filter the defining factors and sub-factors considered to be related to the life length and performance of production equipment in the research which was carried out at SCA...
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...River Arch User Fee 451000 - Interest & Dividend Inc 470000 - Rental Income 496000 - Boat Ramp Income 499000 - Miscellaneous Income Total Other Income Total River Walk Income General & Administrative 504000 - Accounting/Audit 506500 - Committees 506600 - Swim Team 508000 - Corporate Fees 511000 - Dues/Subscriptions 524000 - Insurance 528000 - Legal 532000 - Postage/Distribution 534000 - Printing 542000 - Uncollectable Accounts 549900 - Administrative/Salaries Total General & Administrative Common Utilities 551000 - Electricity 552000 - Gas 555000 - Telephone 557000 - Water Total Common Utilities Service & Contracts 566000 - Grounds Maintenance 568000 - Management 570000 - Pool Management 573000 - Security 576000 - Trash Removal Total Service & Contracts Building Maintenance Exp 587000 - General Bldg Maint & Rep 589000 - Lights Total Building Maintenance Exp Page 1 of 2 2012 Budget 371,640.00 371,640.00 2,000.00 3,864.00 6,426.00 4,750.00 5,000.00 11,000.00 100.00 300.00 33,440.00 405,080.00 4,000.00 2,000.00 3,200.00 250.00 279.00 12,000.00 2,000.00 4,700.00 12,000.00 1,000.00 11,000.00 52,429.00 22,000.00 3,000.00 1,950.00 6,000.00 32,950.00 83,000.00 49,279.00 52,000.00 11,000.00 5,000.00 200,279.00 24,000.00 8,000.00 32,000.00 2012 Monthly Budget 30,970.00 30,970.00 166.67 322.00 535.50 395.83 416.67 916.67 8.33 25.00 2,786.67 33,756.67 333.33 166.67 266.67 20.83 23.25 1,000.00 166.67 391.67 1,000.00 83.33 916.67 4,369.09 1,833.33 250.00 162.50 500.00 2,745.83 6,916.67...
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...MOM350 CONDITION MONITORING AND MANAGEMENT PROJECT 2 – SPRING 2013 LINN WETTELAND STUD.NR 204592 “USING FAULT TREES TO DETERMINE THE ROOT CAUSE OF ROTATING EQUIPMENT FAILURES” (Robert X. Perez) In the paper “Using fault trees to determine the root cause of rotating equipment failures”, the author, Robert X Perez, explains through his own experience as a senior reliability engineer at Citgo Petroleum Corporation, and through examples of various events in different systems the importance of finding the root cause(s) of failures in rotating equipment. The author explains these “major failures causing significant undesired events are the result of a series of events, and compares it to the reaction of a domino line being tipped over by a single domino chip. And studying chain of event, or probable scenarios is at the heart of RFCA’s” (Perez) The author focuses on FTA (Fault tree analysis) as a tool to determine such root causes. And gives examples of cases where use of these tools could have OR have prevented multiple damages due to one component failure causing failure in surrounding components. RCFA – Root Cause Failure analysis “Root Cause Failure analysis is a structured process to identify any physical, human and latent causes of undesirable event(s).And how such a process can be used in achieving continuous plant reliability improvements by targeting mechanical and organizational deficiencies in a process facility” (Perez). A tool for “Identification and correction...
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...3 Ways to Prevent a Burst Pipe When cold weather strikes, the one thing you must be aware of is that your pipes can burst if they freeze. All it takes is one cold night to cause major problems and major damage to your home. It is important that you know exactly what to do to prevent a burst pipe in your home. The following are three ways to keep your home from becoming damaged from a burst pipe: Get Heat to the Pipes If your water pipes are located in an area that doesn’t get heat, they are at risk of freezing when the weather becomes cold. Find out where your pipes are and do what you can to get heat to the area. For example, with water pipes under your kitchen or bathroom sink, keep the cupboard doors open to allow the heat to get...
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