scope:

This standard applies to all customer and staff facing aspects of audio and visual information delivery used and operated by LU or its partners and shall apply throughout public and non-public areas of the LU network to the following:

a) manual instigated audio announcements;

b) automated audio announcements;

c) manual and automated emergency audio announcements;

d) manually delivered electronic visual information;

e) automated electronic visual information

This standard applies to all stations and premises protected by fire alarm panels linked to Public Address Voice Alarm (PAVA) and where PAVA systems are fitted but not linked to a fire alarm panel.

Note: Non-station premises fitted with simple paging systems should comply with industry good practice including relevant standards.

Purpose

The purpose of this standard is to define technical and safety requirements for the operational information delivery systems (audio and visual) used for the dissemination of information and instruction throughout public and non-public areas of the London Underground (LU) network.