GERT8000-HB8 Iss 9
IWA, COSS or PC blocking a line
Synopsis
You will need this handbook if you carry out the duties of a IWA, COSS or PC blocking a line.
Summary Of Changes
Section 2 has been changed to facilitate the introduction of two new sections, 2.10 and 2.11.
Section 2.10 is a new sections to describe the IWA, COSS or PC’s actions when placing the block indicator to ’train on line’ where this is allowed to used as a method of additional protection.
Section 2.11 is a new section to describe the IWA, COSS or PC’s actions when keeping the acceptance switches at ‘normal’ is used as a method of additional protection.
Optional reading and resources:
Read full standard

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Withdrawn
Rule Book Handbook
- Issued:
- 03/09/2022
- Published:
- 03/09/2022
- In Force:
- 03/12/2022
- Withdrawn:
- 07/12/2024
- Next Review:
- 03/12/2023
Details
Consultation Status | Closed |
Vehicle Assessment | No |
Supersedes | GERT8000-HB8 Iss 8 |
Superseded By | GERT8000-HB8 Iss 10 |
Lead Committee | Traffic Operation and Management - TOM |
Supporting Committee | Control Command and Signalling - CCS; Rolling Stock - RST; Plant - PLT |
Impact Assessments
![]() Registered |
22 IA16 |
Supporting Documents | GERT8000-RBBL Iss 38 ; GERT8000 Issue HB Iss 16 |
Deviations
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23-019-DEV
Application of an ACOD in axle counter areas in a line blockage where EPR has been applied |