Glossary of Reliability Terms and Definitions for maintenance of in- service assets 2nd Edition 2013 Mark Ho and Melinda Hodkiewicz University of Western Australia Perth, Australia 6009 And CRC Mining, Australia Page | 1 Contents 1 Executive Summary ......................................................................................................................... 8 2 Reference Sources .......................................................................................................................... 8 3 General Definitions ....................................................................................................................... 10 3.1 asset ...................................................................................................................................... 10 3.2 asset, critical.......................................................................................................................... 10 3.3 asset hierarchy ...................................................................................................................... 10 3.4 asset management ................................................................................................................ 10 3.5 (asset management) objective .............................................................................................. 10 3.6 (asset management) plan ..................................................................................................... 10 3.7 (asset management) policy ................................................................................................... 10 3.8 asset management strategy .................................................................................................. 10 3.9 asset management system ................................................................................................... 10 3.10 components .......................................................................................................................... 10 3.11 condition monitoring ............................................................................................................ 10 3.12 corrective action ................................................................................................................... 10 3.13 demand ................................................................................................................................. 11 3.14 Dependability ........................................................................................................................ 11 3.15 desired performance ............................................................................................................. 11 3.16 discard ................................................................................................................................... 11 3.17 disposal ................................................................................................................................. 11 3.18 environment.......................................................................................................................... 11 3.19 equipment class .................................................................................................................... 11 3.20 equipment data ..................................................................................................................... 11 3.21 equipment unit ..................................................................................................................... 11 3.22 error ...................................................................................................................................... 11 3.23 failure data ............................................................................................................................ 11 3.24 function ................................................................................................................................. 11 3.24.1 function, primary ............................................................................................................... 12 3.24.2 function, secondary ........................................................................................................... 12 3.25 functional failure ................................................................................................................... 12 3.26 inspection .............................................................................................................................. 12 Page | 2 3.27 item ....................................................................................................................................... 12 3.28 level of service ...................................................................................................................... 12 3.29 life profile .............................................................................................................................. 12 3.30 life units ................................................................................................................................. 12 3.31 life cycle ................................................................................................................................ 12 3.32 life cycle cost ......................................................................................................................... 12 3.33 acquisition cost ..................................................................................................................... 12 3.34 ownership cost ...................................................................................................................... 12 3.35 maintainability ...................................................................................................................... 13 3.36 maintainable item ................................................................................................................. 13 3.37 maintenance ......................................................................................................................... 13 3.37.1 maintenance, breakdown .................................................................................................. 13 3.37.2 maintenance, condition based........................................................................................... 13 3.37.3 maintenance, corrective .................................................................................................... 13 3.37.4 maintenance, opportunity ................................................................................................. 13 3.37.5 maintenance, predictive .................................................................................................... 13 3.37.6 maintenance, preventive ................................................................................................... 13 3.37.7 maintenance, proactive ..................................................................................................... 13 3.37.8 maintenance, scheduled .................................................................................................... 13 3.37.9 maintenance, unplanned ................................................................................................... 13 3.37.10 maintenance, unscheduled .............................................................................................. 13 3.38 maintenance action .............................................................................................................. 14 3.39 maintenance data ................................................................................................................. 14 3.40 maintenance impact ............................................................................................................. 14 3.41 maintenance plan ................................................................................................................. 14 3.42 maintenance policy ............................................................................................................... 14 3.43 maintenance programme ..................................................................................................... 14 3.44 maintenance record .............................................................................................................. 14 3.45 maintenance support ............................................................................................................ 14 3.46 maintenance support performance ...................................................................................... 14 3.47 maintenance task .................................................................................................................. 14 3.48 modification .......................................................................................................................... 14 3.49 not operating ........................................................................................................................ 14 3.50 operable ................................................................................................................................ 15 Page | 3 3.51 operating context .................................................................................................................. 15 3.52 operating state .....................................................................................................................