scope:

These instructions apply to all staff, including contractors, undertaking the operation and maintenance of the Northern City Line from the buffer stops at Moorgate to the north end of platform ramps at Drayton Park Station at 2m 64ch.

Trains can run into Drayton Park whilst the Northern City Line is shut down.

Purpose 

The purpose of this standard is to set out: 

a. the electrical safety requirements for persons working on or near to 3rd rail DC electrified lines on the Northern City Line that will enable them carry out their duties without risk of danger from the conductor rail to themselves or other persons and 

b. the railway operating and safety requirements that apply specifically to the Northern City Line and 

c. the requirements for working of trains on the Northern City Line.