Plain-English guides to physical, operational and engineered systems.Inputs • dependencies • controls • failure • maintenance

This checklist helps turn inspection from a casual look into a repeatable information system.

Check items and score.

How to use this tool responsibly

Use the result to understand relationships and ask better questions. Do not use it for engineering design, compliance, safety-critical operations, emergency decisions, or maintenance instructions.

Related reading

Browse the article library or use the glossary to clarify terms before comparing system options.

Privacy: Values entered into this tool remain in your browser. This site does not receive or store them.