Mechanical Isolations (Maritime) Training

Learning Objectives and Course Sections:

1. Introduction to Mechanical Isolations

• Explain the purpose and scope of best practice procedures in relation to mechanical isolations

• Identify common isolation terms

• Identify commonly used valves

2. Roles and Responsibilities

• Identify key isolation roles and responsibilities

3. Safety Critical Manual Valves

• Identify common Safety Critical Manual Valves

• Explain how Safety Critical Manual Valves are secured and controlled

• Identify environmentally critical valves

• Explain the considerations that must be taken when planning isolation work

4. Planning Isolations

• Understand the planning requirements for isolation work

• Outline the information that should be included on an Isolation Confirmation Certificate (ICC)

• Identify the three main methods of isolation

• Outline the requirements for personal isolations

• Explain the importance of P&IDs and identify the main symbols

• Explain how to use a Pressure Gauge Range Table

• Explain how to select the best method of isolation

• Explain the requirements for carrying out an Isolation Risk Assessment

5. Performing Isolations

• Explain the safe use of bleed valves

• Outline the requirements for isolations during confined space entry work

• Outline the requirements for boundary isolations

• Outline the requirements for retained and mothball isolations

• Give examples of the implementation of each of the main methods of isolation

• Explain the requirements for valve integrity testing

• Identify appropriate contingency planning

6. Isolation Security

• Explain the requirements for lockout boxes

• Identify commonly used isolation tags

• Explain how to ensure isolation security

• Identify alternative methods of locking isolations and ensuring security

7. HP/LP Systems

• Explain what is meant by HP/LP interfaces

• Explain how to recognise HP/LP interfaces and identify where they occur

• Identify when HP/LP incidents occur

• Give examples of HP/LP interface control measures

8. Reinstatement

• Explain the procedures for the de-isolation equipment (including leak and pressure testing)

• Explain the purpose of carrying out ‘strength tests’

• Identify the different types of pressure tests

• Identify the steps required for safe reinstatement

• Give examples of incidents that have occurred as a result of improper isolation techniques

End of course assessment with a 70% pass mark and two attempts.

• Internet access - users will need a device with a web browser and internet connection

• System - runs on computers, tablets and mobile devices using Windows 7 and above and MAC OS devices running IOS 11 and above

• Browsers - Edge, Chrome, Firefox and Safari

• Minimum browser size - none

• Audio - requires device speaker or headphones