When you need it
Use as failures, degraded operation and restoration events occur, before calculating reliability measures. Apply consistent definitions across assets and periods so later trends are based on comparable event records.
XLSX /
AI tools and documents for engineering and project management.
Reliability Event Data Register
Capture consistent failure and restoration data before calculating reliability or availability measures.
How to use this templateThis Excel template contains prepared working sheets and completion notes on a separate sheet. Enter your project data and review the completed workbook before use.
This editable workbook helps you organise project information. Check any included formulas, assumptions and results before use; it does not replace professional review.
The form prepares a separate brief; it does not fill the Word or Excel file.
Read product descriptions in your language. The Word and Excel template files are in English.
Only selected pages are shown. This is not the complete template. The full editable Word or Excel file is supplied with purchase.
Learning
How to use this template
What it helps you decide
The register separates equipment repair from service restoration and records the time basis behind downtime. It exposes duplicate events, uncertain timestamps and denominator gaps that can distort reliability or availability reporting.
How to complete it
- Define Event / asset and Operating state using the agreed event rules. Distinguish failure, planned outage and degraded service within the actual asset hierarchy.
- Record Onset / detection and Repair / restoration from source logs. Explain Downtime category, retaining waiting, access and parts delays separately where evidence allows.
- Check Cause status and Source / quality, then confirm Metric inclusion. Review operating exposure and duplicate events before a separate analysis calculates any reliability measure.
Who prepares and reviews it
Operations or maintenance data staff maintain entries with event owners and technicians. A reliability specialist reviews definitions and exclusions; the asset owner approves reporting conventions and actions arising from the analysis.
A mistake to avoid
Using calendar hours for one asset and operating hours for another without clear definitions makes apparently comparable reliability figures describe different exposures.
Illustrative example
Illustrative example: a pump is mechanically repaired in the morning, but the system returns to service later after operational checks. The register retains both timestamps and the waiting category. A reliability analyst can then calculate the appropriate measure without treating repair completion as restored service.
Document contents
- Document control and decision owner
- Evidence, scope and applicability
- Event definitions
- Timeline and duration data
- Cause and downtime classification
- Metric readiness
- Open points, competent review and decision
Required inputs
- Project / asset identity, assessment date, scope and authorized decision owner
- Verified source documents with exact revision and record locators
- Asset hierarchy and operating calendar
- Failure, alarm and maintenance logs
- Restoration and downtime records
- Agreed event and exclusion definitions
Practical tools.
Professional judgment.
Confirm the adopted edition, local amendments, National Annex where relevant, and contract requirements.
Prepare project brief