12 safe maintenance rules hazard isolations. august 6, 2015 | 2 to protect the persons who intervene...

12 Safe Maintenance Rules

HAZARD ISOLATIONS

April 19, 2023 | 2

To protect the persons who intervene on a facility,

to be sure of the energy absence (electricity, fluids,

chemicals and mechanics)

The incidents linked to an isolation absence are

not numerous but are generally of a strong severity

This is an essential step in both the workplace and

at home

WHY THIS RULE?

HAZARD ISOLATIONS

April 19, 2023 | 3

RULE DEFINITION

HAZARD ISOLATIONS

When performing a task on a powered or

pressurized system ensure that isolations have

been validated by the exploitation team and

double check all isolations are in place as per the

isolation plan.

April 19, 2023 | 4HAZARD ISOLATIONS

Exploitation

Maintenance

Efficiency

Corrective maintenance or Preventive maintenanceor Ameliorative maintenance

Responsibility

Time

Responsibility transfer

Efficiency

1 RESPONSIBLE FOR EACH STEP

Responsibility transfer


Sources and forms of energy that must be isolated:

Electrical energy

Mechanical energy

Water power

Pneumatic energy

Fluids

Ionizing sources

Residual energy (stored energy)

April 19, 2023 | 6

Check isolations prior to working on any powered or pressurized systemIsolation protects people and facilities against the consequences

of: electrical, mechanical energy and pressure energy risks

Wear all prescribed PPEPPE is my last layer of protection against electrical risk.

PPE is provided by Dietsmann and must be kept in good

condition.

I MUST

HAZARD ISOLATIONS

April 19, 2023 | 7

Perform an absence of power and/or pressuretest prior to starting my task

To be sure of the energy absence:

electricity, fluids, chemicals and mechanics

Ensure that the electrical rescue kit is available in the electrical cabinet

The kit consists of: a pair of insulating gloves, insulating stool,

insulating pole and insulating rug. A safety poster with what to

do in case of electrocution is located on the door

I MUST

HAZARD ISOLATIONS

April 19, 2023 | 8

Work on systems that arepowered and/or pressurized

Absence of electricity

Safety Absence of mechanic energy

Absence of pressure

Perform works on energized systems without a dedicated Permit to Work

Isolation is integrated in the Permit To Work

Without authorization, I must not intervene.

I MUST NOT

HAZARD ISOLATIONS

April 19, 2023 | 9

1 Separation 2 Lock out & Tag out

3 Dissipation of accumulated energy

4 Recognition 5 Check

HAZARD ISOLATIONS

AN EFFICIENT ISOLATION FOR A SAFE TASK

5 STEPS


RESTART THE MACHINERY

When restarting the machinery, here are some steps to follow:

Ensure that nonessential items are removed from equipment

Ensure that equipment components are intact

Check area to ensure that all affected employees are safely

positioned or removed from the area

Notify all affected employees and site supervisor before

reenergizing the equipment

Remove lockout/tagout devices

Reenergize equipment to ensure safe operation


ISOLATION EXAMPLES


ISOLATION EXAMPLES

Bad practice

Best practice

Opened cabinetBare live partsFuses left availableNo signals

Closed cabinet

Visible position switch

Laying padlock locking

Signals


YOUR LIFE IS AT STAKE !

LOCK OUT & TAG OUT

MY LIVEIS AT STAKE


LOCKOUT / TAGOUT SAFETY

ISOLATE ALL ENERGY SOURCES BEFORE MAINTENANCE!

12 safe maintenance rules hazard isolations. august 6, 2015 | 2 to protect the persons who intervene...

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