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1、1,Applying Reliability-Centred Maintenance (RCM) in CLP Power,World Class Maintenance,The Grand Hyatt, Shanghai 20th & 21st June, 2002,2,Agenda,Company Profile of CLP Power Maintenance Approach Reliability-Centred Maintenance (RCM) Maintenance Strategy Assessment Programme (MSAP) Future Plans,3,CLP
2、Holdings,CLPPower,CLP Power China,CLP Power International,CLP Property,CLP Engineering,CLP Telecom,CLP Enterprise,CLP Research Institute,HKNIC,CAPCO,CLP Holdings Ltd,http:/,4,CLP Power (HK) Ltd,5,CLP Power (HK) Ltd,6,CLP Power Supply Area,Area : 1,000 sq. km. Population : 6.5 millions Customers : 2
3、millions,Kowloon & New Territories,Lantau Island,Hong Kong Island,China,7,Traditional Maintenance Approach,Statutory Requirement,e.g. pressure vessels,OEM Recommendation e.g. inspect the pump every year,Engineers Judgment e.g. calibrate the control loop every 3 months,Maintenance Approach,8,Drawback
4、 of Traditional Maintenance Approach: OEM recommendation may not be appropriate for the specific environment. Engineers judgement may be biased and subjective,Maintenance Approach,9,Maintenance Approach,Evolution of Maintenance Approaches,60s,70s,80s,90s,2000s,Maintenance Strategy Assessment Program
5、me (MSAP),Reliability-Centred Maintenance (RCM),Predictive Maintenance,Scheduled Inspection,Corrective Maintenance,10,RCM - Study Group,Sources: Moubray, Reliability-centred Maintenance, Figure 1.6,11,What performance is expected of each asset - Plant Function Where does it fail to perform Function
6、Failure What is the functional cause of each failure - Failure Mode What is the impact of each failure Failure Consequence How can each failure be prevented in the future - Preventive Maintenance Task What is the alternative action if preventive action does not prevent the failure Reactive Maintenan
7、ce / Redesign,RCM - Methodology,Courtesy of Max Honour Consultants Ltd (Licensee of Aladon Greater China Area),Ask a series of Questions :,12,Information,Decision,Consequence Evaluations,RCM - Methodology,Courtesy of Max Honour Consultants Ltd (Licensee of Aladon Greater China Area),13,RCM in CLP,In
8、itiatives: Catastrophic failures occurs all over the world To seek improvement in plant reliability As a opportunity to increase productivity of the maintenance function,Start: Conduct RCM in Tsing Yi Power Station in 1991 Conduct RCM in Castle Peak Power Station in 1994,Reliability-Centred Maintena
9、nce: A structural & systematic process to determine the maintenance requirements of plants & equipment,14,MSAP,Initiatives: A maintenance strategy for cost effectiveness & optimization of resources Concept of asset management evolved,Start: Carry out pilot study in Castle Peak Power Station in 1998
10、Full scale study in Castle Peak Power Station in 2000 Full scale study in Black Point Power Station kicked off in 2001,Maintenance Strategy Assessment Programme: Based on the foundation of RCM A continuing & sustained process to identify areas of Maintenance Strategy for improvement in terms of Safe
11、ty, Production Risk, Maintenance costs,15,MSAP Study Group,16,MSAP - Process Flow,17,Cost & No. of Fails Report,MSAP Data Analysis,18,MSAP Data Analysis,19,MSAP Cost Evaluation,20,RPN an important part of FMEA,Risk Priority Number RPN,Severity,Frequency,Detectability,MSAP Risk Assessment,21,MSAP - P
12、rogress Monitoring,22,MSAP - Infrastructures,Excel Macro Program - for handling PM Folders,MSAP Toolkit - a database for Data Entry & Analysis,Maintenance Folder,23,MSAP - Achievements,Achievements: A comprehensive maintenance folder institutionalized, thus: Effectiveness can be measured Optimizatio
13、n of resources Cost reduction achieved by: Elimination of duplicated of efforts Extension of PM intervals for equipment of lower criticality Adoption of predictive maintenance technology Elimination of non-value adding PMs Incorporate Investment Plans to fix repeated failures, thus increasing reliab
14、ility & availability,24,Maintenance Strategy,Planned,Breakdown,Cost,Risk,Optimisation,To strike a balance,MSAP - Objective,25,Future Plans,Future Plans: Optimize life cycle cost at equipment levelsEnhance measurement against maintenance strategy,26,Future Plans: Different maintenance cost for different service levels at system levelsFlexible strategy to cope with different operating regimes,Future Plans,27,Thank You,
