Maintenance Planning and Scheduling

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Questions and Answers

What is the first step in the maintenance planning process?

  • The work request is prioritized
  • A work request is raised (correct)
  • Materials are ordered
  • The job is scheduled

Who reviews the work request to ensure it is clear and complete?

  • Maintenance planner
  • Quality control manager
  • Scheduler
  • Supervisor (correct)

What role does the maintenance planner play in the maintenance process?

  • Prioritizes work requests based on severity
  • Diagnoses problems and documents plans (correct)
  • Advises on scheduling of work
  • Orders materials needed for the job

What happens after the materials needed for a job are ordered?

<p>The materials are inspected and approved (B)</p> Signup and view all the answers

How does the scheduler maximize crew efficiency when planning work?

<p>By grouping tasks by equipment or area (A)</p> Signup and view all the answers

What is the significance of a computerized maintenance management system (CMMS) in the process?

<p>It stores work requests and oversees priority levels (D)</p> Signup and view all the answers

What factors are considered when prioritizing a work request?

<p>Severity of the problem and impact on production (D)</p> Signup and view all the answers

What is required before moving a job to ready for execution in the CMMS?

<p>Necessary materials must arrive and be verified (D)</p> Signup and view all the answers

What is the primary purpose of the weekly schedule review meeting?

<p>To jointly agree on the work to be done in the coming week. (A)</p> Signup and view all the answers

What does MTBF stand for, and why is it significant?

<p>Mean Time Between Failures; it predicts when a piece of equipment is likely to fail. (C)</p> Signup and view all the answers

How is availability calculated?

<p>Availability = MTBF / (MTBF + MTTR) (D)</p> Signup and view all the answers

What does utilization measure in the context of maintenance?

<p>The percentage of time equipment is actively used. (C)</p> Signup and view all the answers

Which component is NOT part of RAM analysis?

<p>Management (C)</p> Signup and view all the answers

What feature of maintenance management systems helps track preventive maintenance tasks?

<p>Preventive maintenance checklist (D)</p> Signup and view all the answers

What is the role of opportunity maintenance identification in maintenance management?

<p>To schedule tasks during downtimes or other opportunities. (D)</p> Signup and view all the answers

How can equipment history benefit maintenance planning?

<p>By identifying trends and potential problems. (A)</p> Signup and view all the answers

What determines the ease of repair for an asset in maintenance contexts?

<p>Maintainability (A)</p> Signup and view all the answers

What does MTTR indicate about a piece of equipment?

<p>The average time needed for repairs after a failure. (B)</p> Signup and view all the answers

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Study Notes

Maintenance Planning & Scheduling

  • Maintenance planning ensures the right tools, materials, and instructions are available for efficient work execution.
  • A computerized maintenance management system (CMMS) is used to raise and track work requests, including problem details and locations.
  • Work requests are reviewed for clarity and prioritized based on severity and potential production impact.
  • Maintenance planners diagnose issues on-site to identify necessary materials and document everything in the work order.
  • Materials are ordered and confirmed for accuracy before jobs are marked ready for execution in the CMMS.
  • Schedulers create draft weekly schedules, grouping similar tasks to enhance crew efficiency.
  • Weekly schedule review meetings involve operations and maintenance teams to finalize work to be executed.
  • Agreed schedules are distributed to maintenance supervisors for assignment to crew members.
  • Workers keep records of time spent and provide technical feedback post-execution, aiding in performance analysis and process improvement.

Key Formulas in Maintenance Planning

  • MTBF (Mean Time Between Failures): Average time between equipment failures, assists in predicting potential failures.
  • MTTR (Mean Time To Repair): Average duration to repair equipment, helps estimate downtime after failures.
  • Availability: Percentage of time equipment is operational, calculated as Availability = MTBF / (MTBF + MTTR).
  • Utilization: Percentage of time equipment is actively used, calculated as Utilization = Actual Operating Hours / Scheduled Operating Hours.

Maintenance Management Systems

  • Preventive Maintenance Checklist: A tool for tracking and managing preventive maintenance tasks.
  • Opportunity Maintenance Identification: Identifies tasks that can be performed during operational downtimes.
  • Composite Maintenance Planning: Develops maintenance plans considering equipment condition and operational history.
  • Breakdown Response: Facilitates swift response to breakdowns, providing immediate access to pertinent resources.
  • Equipment History Tracking: Maintains records of maintenance and repair activities for each asset to identify trends.

Reliability and Maintainability

  • RAM Analysis: A methodology assessing asset performance covering Reliability, Availability, and Maintainability for a comprehensive health assessment.
  • Components of RAM Analysis:
    • Reliability: Capability of an asset to perform required functions under specified conditions.
    • Availability: Asset's operability as needed under varying conditions.
    • Maintainability: Ease and speed with which an asset can be repaired post-failure.

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