Isolation Procedures Quiz 1 HSP29 Thames Water

What is the purpose of isolation as defined in the document?

• To remove or block all energy sources from an item of plant or equipment to prevent danger

• To lock out an item of plant or equipment with a unique key

• To ensure that all mechanical systems are turned on

• To test the effectiveness of the isolation

What must be done to ensure the isolation remains secure according to the key messages?

• Test and monitor the effectiveness of the isolation

• Install new equipment

• Turn off all energy sources permanently

• Remove all personnel from the vicinity

Which of the following is NOT a responsibility associated with the competence in isolation procedures?

• Planning isolations

• Authorising scope of work variations

• Installing and removing isolations

• Providing financial estimates for the work

What is the definition of 'lockout' as per the document?

• The process of turning off machines for maintenance

• The placement of a lockout device with a unique key to an isolation point to ensure control

• A method of testing the effectiveness of an isolation

• The documentation required for authorising work variations

Who must be formally appointed in writing for issuing a permit for isolation?

• The person responsible for planning isolations

• The person responsible for testing and monitoring the isolation

• The person responsible for issuing a permit

• The person receiving the permit

Who must be formally appointed by the activity owner for receiving a permit for isolation?

• The person responsible for planning isolations

• The person responsible for testing and monitoring the isolation

• The person responsible for issuing a permit

• The person receiving the permit

What is the purpose of defining a safe system of work when working on assets according to the document?

• To properly identify the hazards and how they are controlled

• To increase the complexity of the work process

• To reduce the number of people involved in the work

• To eliminate the need for documentation

Which category of isolation involves routine works of short duration and reactive fault finding on maintainable assets by competent person including short duration mains repairs?

• Category A

• Category B

• Category C

• Category D

What might be required when isolating maintainable assets for longer periods according to Category B?

• Self-isolation with key controlled by COP

• Multiple isolation points without full documentation

• No need for an isolation certificate

• Only short duration works are allowed

What does Category C specify about the type of works for isolation?

• Routine works with single isolation points

• Non-routine works, involving multiple isolation points and/or more than one person

• Works that do not require any permits or authorisations

• Only intrusions or inspections by a single party