HORUS

Group Lockout Management for Multi-Worker Maintenance

Group lockout protects multiple workers servicing the same equipment at once. Horus manages the entire group procedure digitally — each personal lock, qualification and sign-off tracked in real time, so the asset cannot be re-energized until everyone is clear.

What is group lockout?

Group lockout is a LOTO procedure for multi-worker tasks. A group lockout device or lock box holds the keys to the primary isolation locks, and each authorized worker applies their own personal lock — the equipment cannot be re-energized until every lock is removed.

Real-time visibility of every lock

Horus shows exactly who is locked onto an asset, their qualification status and sign-off, eliminating the blind spots of a physical lock box and clipboard.

No re-energization until the last worker is clear

The system enforces the rule that one worker can never release the energy that protects another. Re-energization is blocked while any personal lock remains active.

Scales across crews and sites

Whether a single lock box or thousands of workers across multiple facilities, Horus coordinates group lockout consistently, with a centralized view of every active group procedure.

Frequently asked questions

Group Lockout is a LOTO procedure used when multiple workers service the same equipment at the same time. A group lockout device or lock box holds the keys to the primary isolation locks, and each authorized worker applies their own personal lock — so the equipment cannot be re-energized until every worker has removed their lock. Horus manages group lockout digitally, tracking each participant's lock, qualification, and sign-off in real time.

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ISO 45001
NR-10 | NR-12 | NR-33
IEC 62443