Glossary

What is planned work percentage?

Quick answer

Planned work percentage is the share of maintenance work that is planned and scheduled before execution, with the parts, tools, and procedures ready. Best practice is around 80 to 90 percent planned. It is the mirror image of the reactive percentage.

FormulaPlanned work % = (planned work hours / total maintenance hours) x 100

Benchmark

Benchmark
GoodAround 80 to 90 percent planned is best practice.
Warning signBelow 60 percent planned usually means low wrench time and high cost per job.

Why it matters

Planned work is cheaper, safer, and faster per job than reactive work, and it is the precondition for high wrench time. Lifting the planned percentage is one of the highest-return moves in maintenance because it improves cost, labour productivity, and reliability at the same time.

How to improve it

Introduce a real planning step, build a ready backlog of fully prepared jobs, and protect scheduled work from non-emergency interruptions.

Frequently asked questions

What is the difference between planned and scheduled work?
Planning is deciding how a job will be done and preparing parts, tools, and procedures. Scheduling is deciding when it will be done and by whom. A job should be planned before it is scheduled.

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