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NR/L2/OHS/501/P1

Trackworker Protection and Warning Systems: Module P1: Track Circuit Operating Device (TCOD)

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Organization: NR
Publication Date: 5 December 2020
Status: active
Page Count: 13
scope:

This module applies to both manual and remote control TCOD's approved for use on NRCI.

Purpose

This module mandates the requirements for the use of track circuit operating devices (TCODS) on Network Rail Controlled Infrastructure (NRCI)

It provides details of:

• Technical requirements

• Training and competence requirements

• Design, installation, planning for use, and maintenance.

Document History

NR/L2/OHS/501/P1 ISSUE 2
December 3, 2022
Trackworker Protection and Warning Systems: Module P1: Track Circuit Operating Device (TCOD)
This module applies to both manual and remote control TCODs approved for use on NRCI. Purpose This module mandates the requirements for the use of track circuit operating devices (TCODS) on Network...
NR/L2/OHS/501/P1
December 5, 2020
Trackworker Protection and Warning Systems: Module P1: Track Circuit Operating Device (TCOD)
This module applies to both manual and remote control TCOD’s approved for use on NRCI. Purpose This module mandates the requirements for the use of track circuit operating devices (TCODS) on...

References

This document references:
NR/L3/ELP/29987 - Working on or About 25 kV A.C. Electrified Lines
Published by NR on December 1, 2018
Scope and Modules This standard applies to all those required to work on 25 kV a.c. electrified lines, or so near to them that danger might arise, including persons who: a) assess electrical risk; b)...
This document references:
NR RT/E/S/21136 - Track Circuit Operating Device (aka NR/SP/SIG/21136)
Published by NR on October 1, 1999
This specification applies to all T-CODs for use on track circuited electrified and nonelectrified lines. T-CODs shall not be used where a checkrail is present alongside a running rail or a fourth...
This document references:
NR/L2/RSE/100/05 - Network Rail Assurance Panel Processes: Product Acceptance and Change to Network Rail Operational Infrastructure
Published by NR on December 2, 2017
This module mandates the process for gaining acceptance of: a) a new or modified controlled product that, where relevant aligns with the Network Rail challenge statements, that has been evaluated...
This document references:
NR/L3/OPS/009 - Track Circuit Operating Device (TCOD) Identification of Locations for Use
Published by NR on December 7, 2019
This standard is applicable to the parts of Network Rail’s ManagedInfrastructure which have track circuits that control and maintain theprotecting signal(s) at danger. The standard does not include...
This document is referenced by:
NR/L2/OHS/501 ISSUE 7 - Trackworker Protection and Warning Systems
Published by NR on March 4, 2023
The scope of this manual is to mandate the requirements for the use of additional protection and warning systems on Network Rail Managed Infrastructure (NRMI). This manual applies to systems designed...
This document is referenced by:
NR/L2/OHS/501 ISSUE 7 - Trackworker Protection and Warning Systems
Published by NR on March 4, 2023
The scope of this manual is to mandate the requirements for the use of additional protection and warning systems on Network Rail Managed Infrastructure (NRMI). This manual applies to systems designed...
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