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NR/L3/ELP/27240/NR/C25D

Routine Maintenance of dc HSCB Whipp & Bourne Type MM74

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Organization: NR
Publication Date: 1 March 2017
Status: inactive
Page Count: 8
scope:

Includes: This document details of the maintenance to be carried out on Whipp & Bourne High Speed Circuit Breakers type MM74.

Document History

NR/L3/ELP/27240/NR/DIST C25D ISSUE 4
June 3, 2023
Routine Maintenance of D.C. HSCB Whipp & Bourne Type MM74
Includes: This document details the maintenance to be carried out on Whipp & Bourne High Speed Circuit Breakers type MM74.
NR/L3/ELP/27240/NR/C25D
March 8, 2021
Routine Maintenance of D.C. HSCB Whipp & Bourne type MM74
Includes: This document details of the maintenance to be carried out on Whipp & Bourne High Speed Circuit Breakers type MM74.
NR/L3/ELP/27240/NR/C25D
March 1, 2017
Routine Maintenance of dc HSCB Whipp & Bourne Type MM74
Includes: This document details of the maintenance to be carried out on Whipp & Bourne High Speed Circuit Breakers type MM74.

References

This document references:
NR/L2/ELP/27239 - Maintenance Specification for Electrical Traction Distribution Equipment
Published by NR on June 1, 2008
This specification applies to all maintenance carried out Network Rail on maintenance contracts on electrical traction distribution equipment. Purpose This specification states the Directorate's...
This document references:
NR/L3/ELP/27240 - Distribution Work Instructions
Published by NR on December 5, 2020
This document applies to all traction distribution equipment and associated equipment. Purpose This document contains Distribution Work Instructions for use by competent persons to carry out...
This document is referenced by:
NR/L3/ELP/27240/NR/DISC01 - Inspection and Maintenance of 25 kV a.c. Switching Stations
Published by NR on December 5, 2020
Includes: This instruction covers the routine inspection and maintenance of all 25 kV A.C. switching station buildings including brick buildings, metal clad cabins and Structure Mounted Outdoor...
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