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INDUSTRIAL ENTERPRISE ASSET MANAGEMENT
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University/Maintenance & CMMS

CHBC UNIVERSITY / FIELD GUIDE

The work order lifecycle in a large plant

Separate request, approval, readiness, execution and closeout.

Large industrial machinery inside a factory
Illustrative stock photography · xing bowen / Unsplash

UNDERSTAND THE CONCEPT

A work request describes a need; a work order defines an authorized package of work. Planning develops scope and resources, scheduling selects a time window, and execution records what was done. Technical closeout confirms the result and captures useful history.

Keep readiness separate from permission to start. A job can have available material and labour while still waiting for an operating release or permit. Record these dependencies explicitly. Completion should capture actual time, parts used, findings and follow-up needs, with correction history when records change.

Questions to take back to your team

  1. Are request approval and permission to start separate?
  2. Which dependencies block readiness?
  3. Are actual materials and findings recorded at closeout?

Further reading

Explore the primary references below. Requirements and applicability depend on your organization and jurisdiction.