Standard: LUL - 1-142


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This standard applies to all customers 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 also applies to all non-station 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.

This issue of the standard replaces 1-142 A3.


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





Organization: London Underground Library
Document Number: 1-142
Publish Date: 2016-04-01
Page Count: 32
Available Languages: EN
DOD Adopted: NO
ANSI Approved: NO
Most Recent Revision: YES
Current Version: YES
Status: Active

Document History

Document # Change Type Update Date Revision Status
1-142 Change Type: STCH Update Date: 2011-03-01 Status: INAC
1-142 Change Type: STCH Update Date: 2011-03-01 Status: INAC
1-142 Change Type: Update Date: 2009-09-01 Status: INAC
1-142 Change Type: Update Date: 2008-11-01 Status: INAC

Standards That Reference This Standard

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