2023-12-04_CoHE_V3

Safety training

Control of Hazardous Energies Standard / V3 2023-12-04

The instructor shall:

Facilitate a learning activity with the participants about the hazards related to, and safety measures needed when, taking an oil sample from a hydraulic system. Examples of safety measures could be:

a. follow a manufacturers guideline e.g. an approved work instruction

b.

reducing the system pressure

The participants shall:

Engage in the learning activity and share understandings about the hazards related to, and safety measures needed when, taking an oil sample from a hydraulic system

ELEMENT 3.6 - HAZARDS RELATED TO PRE-CHARGING AN ACCUMULATOR

Learning objective:

27) The participants can explain the hazards related to, and safety measures for, applying pre-charge to an accumulator in a WTG environment (Knowledge, intermediate level)

The instructor shall:

Present examples of situations, or scenarios, in a WTG environment with hazards related to applying pre-charge to an accumulator:

a.

environment aspect (asphyxiation)

b.

freeze burns from use of gases

c.

unexpected movement

Accumulators are part of a system that is used to move an actuator (normally a piston/cylinder like in the blades or a brake calliper) The unexpected movement refers to these actuators moving due to other external forces, like for instance with a blade, if the pressure is released from the accumulator, but the blade is not locked in place

Note

Facilitate practice for the participants in identifying the hazards related to applying pre-charge to an accumulator in the situations or scenarios

Ask the participants to provide answers to key questions about how to reduce the associated risks to the hazards of applying pre-charge to an accumulator in the situations or scenarios

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