Change is the trigger
The duty is explicit: the document is revised when the workplace, the work equipment or the work organisation undergoes a significant change, extension or modification. The logic is simple: the document describes the plant as it is today; if the plant changed, the document now describes a different plant.
What triggers it in practice
- a new flammable substance coming into use, or a change of an existing one,
- a new line, tank, silo or filling point,
- a change in ventilation — a drop in capacity is a change too,
- equipment replaced or moved inside a zone,
- a change in production rate or shift pattern,
- an explosion, fire, near miss or inspection finding.
Version and reason are kept together
Every update is a version and carries its reason. A revision without a stated reason leaves “why did this classification change?” unanswered a year later. The revision register holds the date, the reason, the sections changed and the approver.
Reviewing is not always rewriting
A review may conclude that the change does not affect the document — but that conclusion is written down too. Silence leaves it unclear whether the review happened at all.
How this stands in Optifora
The module keeps the revision as its own record and predefines six revision reasons; which section changed in which version is written automatically as the document is produced.