Electrical Lockout and Tagout Procedure
HAZARDOUS AREA CLASSIFICATION PART 4
Controlling the electrical hazards is more important
to protect employee life, LOTO plays a major in electrical safety protection. The
following procedures for electrical lockout and tagout shall be followed when
exposed to electrical hazards while doing maintenance/condition monitoring
activities:
1. Operations team shall identify isolating
locations and types of isolating devices required in determining potential
exposure.
2. Qualified personnel appointed by the company doing
the work shall notify affected personnel and properly shut down/de-energize the
equipment. Isolation is complete only when no associated control device is capable
of energizing equipment. Ensure voltage verification after the isolation is
done.
3. Operations employees or the controlling team
shall always be the first to install an approved Lock.
4. The person or team doing the work shall lock
out a device using his approved Lock. Remember to lock open the circuit
breaker(s). If the device cannot be physically locked out, it shall, at a minimum,
be de-energized and tagged.
5. Place the Tag the lock with a “DANGER, DO NOT
OPERATE” tag. The tag shall contain date, time, organization, name, equipment
name, phone/mobile contact number and signature of the installer, and reason
for installation.
6. Other teams/employees or individuals working
on equipment shall also install their locks and tags at locations identified by
operations. Multiple lockout clips (hasps) shall be used if
necessary. A crew lockout is acceptable only when
the key(s) of the person designated to lock out is properly secured and locked
by all working team involved.
7. Each lock shall be identifiable with all
required informations. Each organization shall have a system of uniquely
identifying locks (e.g., stamping or engraving, providing photo).
8. Each lock shall be keyed separately with no
duplicate key available to ensure removal only by the employees.
9. Clear the area of personnel and tools prior to
trying to start the equipment/s.
10. Before starting work, Try to start or
energize the equipment locally. Verify the equipment cannot be energized. This
is called try out. Additionally the voltage verification to be done with non
contact type devices.
11. Only the person(s) originally attaching the
lock and tag are authorized to remove the lock and tag.
Part 2 ADNOC & GULF HSE Interview Questions & Answer
12. Operations employees shall remove locks and
tags when equipment is safe to energize.
13. When work is complete, affected personnel
shall be notified and equipment placed back in service. Ensure the tools &
employees are cleared from the working area.
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