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POS – What a Plant Operating Scheme Covers

Summary​

This article explains what a Plant Operating Scheme (POS) typically covers and when it is used in railway operations. It provides general guidance only and does not replace controlled railway documentation or operational procedures.

What a Plant Operating Scheme Is​

A Plant Operating Scheme (POS) is used to define how plant is planned, managed, and controlled during railway works. It sets out the agreed arrangements for the use of plant within a worksite, including interfaces between roles, controls, and supporting documentation.

When a POS Is Typically Required​

A POS is typically required where plant is introduced into a railway worksite and needs to be managed in line with agreed operational controls.

What a POS Commonly Covers​

While the exact content of a POS is defined by controlled documentation, a POS commonly includes:

  • Identification of the plant involved
  • Defined roles and responsibilities
  • Agreed operating arrangements
  • Interfaces with other work activities
  • Supporting information and records

What This Article Does Not Cover​

This article does not provide operational instructions, safety-critical steps, or guidance on how to operate plant. All operational decisions must be made in accordance with applicable railway standards, rule books, and company procedures.