GLOBAL-TOOL-13 · INCIDENT EVIDENCE

Incident Evidence & As-left Handover Checklist

Use one incident identity to connect the as-found state, raw evidence, safe work boundary, bounded verification, decision and actual as-left handover.

Use boundary

This form does not replace a permit, risk assessment, energy-control procedure, statutory inspection, OEM instruction, qualified-person decision or restart authorization.

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IDENTIFY & PRESERVE

Incident, asset and as-found state

Site / areaIncident IDEvent dateEvent window / time zoneSystem / asset IDProcess / service affectedOperating modeIncident owner

Observable symptoms and impact

Physical asset, source, load, controller, network and process identity reconciled Original logs, alarms, events, traces, photos and settings preserved before reset or change Time source, offset, drift, gaps and event-order uncertainty recorded Product, material, carrier, lot, batch or work-in-process state held and identified

As-found mismatches, uncertainty and missing evidence

RAW EVIDENCE REGISTER

Source, condition, timestamp and custody

Evidence ID / source	Asset / point / location	As-found condition	Time quality / event window	Original file / hash / custodian

CONTROL THE BOUNDARY

People, area, energy, permits and stop conditions

Country / AHJSite permit / work orderResponsible engineer / authorityOEM / specialist reviewer

Energy / hazard	Source and isolation point	Stored / backfeed / automatic start	Control and verification	Owner / affected people

Stop and hold the decision

Asset, circuit, process, material or event identity is unresolved Backfeed, stored energy, automatic start or remote command is uncontrolled Permit, qualified role, test authority or release owner is missing Smoke, heat, odor, off-gas, leak, damage or repeated protection operation is present Original evidence would be overwritten or timestamps cannot support event order Test stop, rollback, recovery or emergency response cannot be demonstrated

BOUNDED VERIFICATION

One hypothesis, one approved difference, one evidence result

Hypothesis / question	Applicable basis / revision	Initial state / prerequisite	Approved action / expected result	Stop / rollback / evidence

Actual result, raw evidence IDs and excluded hypotheses

Do not invent a universal pass value. Record the exact law, standard, design, procedure, OEM document or site criterion, its revision, its application conditions and the named reviewer.

DECISION & RECOVERY

Hold, limited test, staged return or release

Gate / scope	Required evidence	Actual result / evidence ID	Decision	Authority / time
Safe boundary
Functional verification
Staged operation

AS-LEFT HANDOVER

Transfer the actual state, limitations and ownership

Configuration

Final physical / electrical stateProgram / settings / drawings / backups

Temporary and open items

Bypasses / jumpers / manual modes / disabled alarmsOpen defects / unverified scope / deadline

Operating ownership

Restrictions / monitoring / triggersRollback state / next review / owner

Incident / work ownerName · decision · date/timeEngineering / specialistName · scope · date/timeOperations / productionName · released scope · date/timeEHS / quality / AHJ as applicableName · role · date/time

Official source boundaries

These sources do not create a universal acceptance value or site authorization. Confirm country, AHJ, site procedures, applicable standards, permits, qualified roles, exact equipment and software revision, OEM instructions and responsible authority.