Line Blockage with TCOD

Course Summary

This workshop gives existing COSS competence holders a refresher on how to take a line blockage with a TCOD as additional protection.

The workshop will include a PowerPoint presentation to reinforce existing knowledge and understanding on the procedure and how to complete the NR3180 line blockage form when using a TCOD as additional protection.

A practical demonstration will be included on how to apply a TCOD in controlled learning environment.

The workshop will include a Practical assessment which will include completing a NR3180, communicating the arrangements with the signaller, applying a TCOD and the removal of the TCOD and handing back of the line blockage.

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Line Blockage with TCOD


Accredited by:QTS Training - In-House


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Course duration. half day for 8 delegates.

Practical site requirements. A section of track and a compatible TCOD for the type of rail at that location.

Pre-requisites. Valid, full COSS competence

PPE. PPE is required for the practical training area.

Trainer requirements. A fully qualified COSS Trainer.