equipment on a response to an maintenance event”. action calendar schedule. “unusual An example is the maintenance that is done on an every year before summer. With the maintenance plan in place, the maintenance is performed each time the calendar rolls over the specified number of days. 4. a Not required in Reports an Similar to no 3 the Often used for “Statistical relation to the unusual pre-planned pattern vehicles, plant and preventative regular event as the of maintenance is production machinery maintenance maintenance. principle is based on previous technique common be performed on to maintain studies by domain with machine and an ad-hoc basis in 100% or asset experts. possibly vehicle response to an availability. maintenance. event”. “unusual Is the basis for this Where Jobs collected from Roads, Bridges, Play 5. based”: “Condition maintenance received Inspections cannot Equipment are all often where a human type. Sometimes usually always be executed, examples of where inspection results in the inspection will initiate a due to budget this is used in the maintenance actions be prescribed by technical limitations, building context “Municipal” being collated and Code of Practice inspection. up a “Work-bank” then issued as funds or Legislation. or backlog allow. 6. An inspection or No usually Jobs aim to prevent Common “Predictive sensor will take relevant failure and maintenance is costly Maintenance” on condition readings minimise (e.g. Street Lights) science or condition and, based on and for some types of “down-time” readings: visual or readings, jobs are machinery. sensor-based proposed 7. Inspections may Not usually Carrying out jobs RCM starts with 7 “Reliability Centred be made the involved, on assets the questions: “on “on Maintenance”. It is in the case although bench or closed generally used to of operating down results in What is the item “Rotable achieve Assets” or done these assets better reliability supposed to do and its
equipment on a calendar schedule. An example is the maintenance that is done on an every year before summer. With the maintenance plan in place, the maintenance is performed each time the calendar rolls over the specified number of days. response to an “unusual event”. maintenance action 4. “Statistical a preventative maintenance technique common with machine and possibly vehicle maintenance. Not required in relation to the regular maintenance. be performed on an ad-hoc basis in response to an “unusual event”. Reports an unusual event as the principle is to maintain 100% availability. Similar to no 3 the pre-planned pattern of maintenance is based on previous studies by domain or asset experts. Often used for vehicles, plant and production machinery 5. “Condition based”: often where a human inspection results in maintenance actions being collated and then issued as funds allow. Is the basis for this maintenance type. Sometimes the inspection will be prescribed by Code of Practice or Legislation. Where received usually initiate a technical inspection. Jobs collected from Inspections cannot always be executed, due to budget limitations, building up a “Work-bank” or backlog Roads, Bridges, Play Equipment are all examples of where this is used in the “Municipal” context 6. “Predictive Maintenance” on science or condition readings: visual or sensor-based An inspection or sensor will take condition readings and, based on readings, jobs are proposed No usually relevant Jobs aim to prevent failure and minimise “down-time” Common maintenance is costly (e.g. Street Lights) and for some types of machinery. 7. “Reliability Centred Maintenance”. It is generally used to achieve Inspections may be made “on the in the case of “Rotable Assets” or done Not usually involved, although operating these assets Carrying out jobs on assets “on the bench or closed down results in better reliability RCM starts with 7 questions: What is the item supposed to do and its
ch-2.docx