Section 88 of 105
85. Engineering States, Events and Memory
Stable section ID: S05-CON-014-SECTION-88 · 36 content blocks
System05 assets and buildings shall represent engineering condition through controlled States, Events, and persistent Engineering Memory.
- A State describes the recognized condition of an asset or system at a defined time.
- An Event records an occurrence that may create, verify, or change a State.
Engineering States may include:
- Manufactured.
- Released.
- In transit.
- Presented.
- Aligned.
- Captured.
- Locked.
- Connected.
- Energized.
- Commissioned.
- Operational.
- Restricted.
- Degraded.
- Isolated.
- Inspection-required.
- Repair-required.
- Replacement-required.
- Decommissioned.
- Retired.
Engineering Events may include manufacture, shipment, installation, locking, testing, commissioning, operation, alarm, inspection, maintenance, failure, repair, replacement, override, disassembly, or requalification.
Each significant Event shall identify:
- Time.
- Asset and configuration scope.
- Initiating person or system.
- Authority.
- Previous and resulting State.
- Supporting evidence.
- Confidence or uncertainty.
- Related Events.
- Applicable Building BIOS version.
Commands, observations, inferred conditions, verified Events, and authoritative States shall remain distinguishable.
Historical Events shall not be overwritten to create the appearance that an error never occurred. Corrections shall be recorded as new controlled Events preserving the original entry, reason, authority, and resulting interpretation.