TELECOMMUNICATIONS REQUIREMENTS FOR GENERAL AND EMERGENCY USE AT SUB SURFACE STATIONS

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1 British Railway Document Board ceases to be in force from 05/12/2015 and is withdrawn TELECOMMUNICATIONS DIRECTIVE GEN 096 ISSUE 1 JAN 92 DISTN A 1. SCOPE TELECOMMUNICATIONS REQUIREMENTS FOR GENERAL AND EMERGENCY USE AT SUB SURFACE STATIONS 1.1 This document has been prepared by the DoSTE, Macmillan House, Paddington to unify the provision of telecommunications facilities for the public, staff and emergency services at stations defined by their construction to be Underground, Subsurface, or Rafted. It forms a Code of Practice describing the minimum mandatory facilities which should be installed to fully comply with the Fennell recommendations and Fire Precautions (Sub Surface Railway Stations) Regulation The funding of particular facilities provided at each location requires the authority of the sponsoring Business. 1.2 This Directive excludes the Specification for the provision of Automatic Fire Detection systems which will be provided in accordance with the requirements of the appropriate Local Fire Authority. Any automatic Fire Detection systems will have an output to the Public Address systems provided as a result of this directive. 2. DEFINITIONS BT - British Telecomms BTP - British Transport Police CCTV - Closed Circuit Television. DC - Direct Current DOO - Driver Only Operation DoSTE - Director of S&T Engineering. DS - Director, Safety D10 - Special Cable ETD - Extension Trunk Dialling Network. FALCON - Name of the Telecomms Fault Control database FP (SSRS)R - Fire Precautions (Sub Surface Railway Stations) Regulation LUL - London Underground Limited. MICC - Mineral Insulated Copper Cable. NRN - National Radio Network. OC - Operations Control/Operating Centre. Operator - The organisation running the transport system PA - Public Address. PTE - Passenger Transport Executive RVP - Rendezvous Point (incident control point) location where BR - and emergency services meet to control an incident and where plans of the site are also held. S&T - Signalling & Telecommunications Department. SB - Signal Box TD - Telecommunications Directive TSBR - Train to Signalbox Radio TSC - Telecomms Sub-Committee UHF - Ultrahigh Frequency Radio Band UPS - Uninterrupted Power Supply. ZHLS - Zero Halogen Low Smoke

2 REFERENCES TD TEL Labelling of Telephones TD POW Power Supplies for Call Routing Apparatus & Transmission Equipment TD CAB The Installation of Telecomms Cables and Systems in Underground locations. TMI BGEN Telecomms Fault Response times and Performance Criteria BR Specification Train to Signalbox Radio System. BS Fire Detection and alarm systems in buildings. Fennell Report - Investigation into the Kings Cross Underground Fire (HMSO). Fire Precautions (Sub Surface Railway Stations) Regulation Local Fire Authority Requirements. Approval Procedure for Materials Underground AMU dated 24/08/90 Issue LOCATIONS Are categorised under the following headings:- (a) Underground. } } Covered by FP (SSRS)R (b) Subsurface } (c) Rafted Construction (d) Interchange At the date of issue of this directive the following stations have been defined by Director Safety. 4.1 Underground The schedule by produced by Director Safety lists 17 stations in connection with the Fennell Report. Network South East - Waterloo Low Level (South West) - Bank Regional Railways - James Street (Manchester) - Hamilton Square - Moorfields - Liverpool Lime Street Low Level - Liverpool Central Network South East - Highbury & Islington (West Anglia) - Essex Road - Old Street - Moorgate Regional Railways - Glasgow Central Low Level (ScotRail) - Charing Cross - Argyle Street - Glasgow Queen Street Low Level - Anderston - Dalmarnock 4.2 Sub Surface The following locations are defined as subsurface and subject to FP(SSRS)R requirements.

3 - 3 - Network South East City Thames Link Liverpool Street Intercity - Birmingham New Street Wembley Central Sunderland 4.3 Rafted Stations Any station which is rafted will require specific facilities subject to legal requirements and to the requirements of the local fire authority. The responsibility for defining the facilities shall rest with the Fire Safety Manager. Responsibility for definition of rafted station categorisation is with the Director, Safety. 4.4 Interchange Stations Locations at which an underground or sub surface station of another undertaking exists and where common escape routes obtain. The responsibility for determining the stations and the requirements shall rest with the Fire Safety Manager. See section GENERAL PRINCIPLES OF TELECOMMS REQUIREMENTS Telecommunications facilities are to be provided for general and emergency systems to facilitate the following:- 5.1 To enable employees to operate the station and for employees and members of the general public to call for help and assistance. 5.2 To provide telecommunications systems to enable employees in the operations control room to be able to alert the emergency services and take appropriate action to facilitate evacuation of passengers and employees from the location. 5.3 To provide appropriate telecommunications systems to assist the emergency services on site. 5.4 To provide telecommunications systems for the railway after an incident. 5.5 To provide facilities to enable post incident investigation to be undertaken. 6. FACILITIES FOR PUBLIC AND EMPLOYEES AT UNDERGROUND AND SUB SURFACE STATIONS All facilities in the public area shall be provided in such a way as to minimise the effect of misuse and vandalism. 6.1 General - Telephones shall be provided as defined by the Profit Centre Manager to operate the station, including any required for Signalling or electrical supply arrangements. 6.2 For the Public - (a) Railway ETD telephones (minimum of one per platform) shall be marked by an illuminated sign located above the telephone which shall be labelled externally in a manner to encourage public use in case of emergency and in accordance with TDTEL 056. (b) Payphones where provided by BT, Mercury or other must be

4 - 4 - installed to the same cable parameters as per For evacuation and control - (a) CCTV to monitor and record in colour: - (i) Fire alarm call-points in public places. (ii) Platforms, concourses and other circulating, transit, transfer, entry and exit areas. (iii) Any platform telephone that is useable in the event of an emergency. (b) A PA System integrated with the Fire Alarm, to advise passengers and employees in public areas and employees in mess rooms and machine rooms of general train announcements, automatically generated messages and specific evacuation arrangements. (Equipment and Machine rooms will be provided with a Sounder) (c) A Radio system (TSBR) to BR1845 for trains to communicate with the signalbox and also enable the signalbox to communicate with, traincrew and passengers while trains are underground shall be provided as detailed in clause 10.3 on the underground lines listed in clause 4.1. (d) ETD telephones on station platforms and offices. (e) A Management Radio system for each station operating from both local and remote control points for station employees, with remote access by the line control centre shall be provided at the stations listed in section 4.1. A locally controlled management radio system shall be provided at stations listed in section 4.2. All systems shall be in normal daily use. These systems must be capable of operating via a common radio infrastructure in tunnels, see clause (c) above. (f) Emergency tunnel pinch wires to provide both telephone communication for the driver and an emergency power cut off facility are required in DC 3rd and 4th rail traction areas. (g) Emergency Radio systems for the Fire Brigade and for BTP if required by that organisation. 6.4 Restoration of Service after Fire (a) Initial restoration of communication by BR to an area damaged by fire at sites listed in section 4.1 shall be by the use of field telephones and D10 cable drum kits. In 1989 these were provided one per station and one spare per route to the Area Manager for use by station employees and are to be checked by Profit Centre S & T personnel quarterly. Checks to be recorded on FALCON and audited. (b) ETD service shall be restored to the area as soon as possible by the use of such materials as are available. 6.5 New locations When any new station is built, or an existing station is rafted, and is defined or redefined by Director, Safety as "Underground or Sub-Surface" then the station will be subject to the requirements laid down in this Directive.

5 RADIO FACILITIES FOR EMERGENCY SERVICES AT UNDERGROUND STATIONS 7.1 Fire Service - Radio Infrastructure shall be provided by BR for Emergency Authorities using UHF frequencies as nominated by the Authorities, and will include a permanently available fire authority radio channel using common station aerial system as provided for 6.3(c) and 6.3(e). Cover should be designed to extend outside the station to the agreed incident control point (RVP) or access point as defined by the Fire Safety Managers and into the running tunnels to the mid point to the next station/access point. - Fire Authority systems shall be designed to allow switching between adjacent stations at each incident control point (RVP) so that adjacent stations may be linked and operate as a single system. - An audio socket, to access the fire authority radio base station shall be situated in a location agreed between the Fire Safety Manager and Emergency Services. The socket and line connection type shall be as specified by the local fire authority. 7.2 BT Police - A permanently available radio channel shall be connected through to BT police control. The radio channel shall operate over the common station aerial system. Link will be provided by BTP. 7.3 Emergency Back up - A kit with 250m of cable and two field telephones are available to the Local Fire Brigade at underground stations and held by local station employees as allocated by Area Managers. 8. RADIO FACILITIES FOR EMERGENCY SERVICES AT SUB SURFACE STATIONS 8.1 Fire Service - At sub surface stations the fire authority radio channels should be fully operational throughout the station complex from the normal above ground fire authority systems. If following tests, these systems do not provide the coverage required by the Fire Authority Service, a system and facilities in accordance with Clause 7.1 shall be provided. 8.2 B.T. Police - At Sub Surface stations normal BTP channels may be fully operational throughout the station complex from an above ground location. If following tests, these systems do not operate to the satisfaction of BTP, a system and facilities in accordance with clause 7.2 shall be provided. 9. FACILITIES AT INTERCHANGE STATIONS 9.1 General

6 - 6 - Facilities must be provided or amended at interchange stations which match and interface to the systems of the other railway undertaking. The stations to be so covered are defined from time to time by the Director Safety who will advise all Functions/Businesses of that decision so that documents such as this can be updated and action taken to provide the required facilities. For each such station the respective Fire Safety Manager, together with the Emergency Authorities will define the railway undertaking in overall control of the premises and the location of rendezvous points (RVP) Telephone Link / lines 9.3. CCTV Telephones shall be provided in the appropriate control rooms of each undertaking to enable general operational and emergency situation reports to be communicated between the different railway operators. The CCTV of each undertaking shall cover an overlap area into that of the other railway so that crowd movement and build up can be taken into account when making operational changes or emergency arrangements. Extension of monitoring facilities to BTP shall be arranged by each undertaking for their part of the station as required by BTP Fire Alarm/Public Address Due to an interchange station being viewed by the emergency authorities as a single set of premises, albeit with multiple occupation, it is essential that the fire alarm and PA systems are not only linked within the jurisdiction of each railway, but also that one railway control room takes executive and overall control in an emergency. The controlling undertaking to be nominated by the Fire Emergency Authority 9.5 Radio Radio coverage of the two operators management and BTP radio frequencies, where they are different, i.e. LUL and Force HQ for BTP, must be provided throughout the other operators part of the same interchange. These facilities to be provided to ensure that there is no interference between the radio systems should separate base stations be provided by each undertaking. For Emergency authorities, coverage between the two parts of the interchange site must be continuous thus allowing contact to be maintained with the emergency control vehicle etc wherever in the site the representatives of the emergency authority may be. 9.6 Recording Video and audio recording shall be provided if required by the railway operator for voice (telephones and PA) and CCTV. See TECHNICAL REQUIREMENTS OF COMMUNICATIONS SYSTEMS 10.1 ETD Telephones - Those in public areas, shall be standard

7 - 7 - weatherproof units, fitted with stainless steel cords. Signing external to the telephone shall give emergency numbers to employees and public as defined by Fire Safety Manager. Diverse routing of adjacent telephones from seperate routes is desirable. Telephones shall be labelled in accordance with TD TEL Power - An alternative source of mains power shall be provided. A UPS battery back up (30 minutes minimum) or second supply is required for all systems. For Management and Emergency Authority radio systems a 6 hour battery back up supply is required and for PA 24 hours when used as part of a fire alarm System (unless reduced by the Fire Safety Manager where independent supplies exist). See TD POW Train to S.B. Radio - Coverage throughout the tunnels associated with locations described in 4.1 will be provided by Train to Signalbox Radio (BR Spec 1845) and subsequently other locations as defined by Director Safety. For other than locations in section 4.1 radio coverage in tunnels will not be available until Train to Signalbox radio systems to BR 1845 are provided throughout these areas for operational purposes. Leaky feeder operation and/or aerial systems will be provided for all tunnelled, underground or sub-surface sections of the route using ZHLS cable Local Radio - UHF radio systems provided for local railway management and operation will give individual coverage of each station, including platforms, circulating areas etc., all linked to the station control point. A link shall be provided to give acess from a remote control room for underground stations. Where the station is shared with another railway (such as LUL) at least one system shall be provided to cover both stations. (See 9.5). Coverage shall be provided by the installation of aerial systems and/or leaky feeders throughout the station and access tunnels PA - Public Address Facilities should be provided to BS 5839 fire alarm standards, with attention to modularity, audibility and additional zones. Also with an interface from the Fire Alarm - see Section Facilities to be provided to monitor the output of all speakers by use of seperate data cable to each speaker - Audibility shall be in accordance with BS5839 ie at level of 65dba at 2 metres or 5dba above ambient levels whichever is greater.

8 The PA Control Console will include a telephone line termination to enable any incoming telephone call to be switched directly to the PA system. - PA amplifiers shall be provided one per zone. - Firemans microphone facilities to be provided at the RVP. - Solid state announcement equipment shall be provided to give evacuation warnings after a preset time delay. The warnings will be initiated by an output from the fire alarm system and transmitted automatically unless the warning alarm is acknowledged before the time delay expires. Further messages may be provided under manual control to give alternative evacuation instructions. - The messages and time settings to be defined by Profit Centre Manager who will agree them with the Fire Safety Manager CCTV - This will be provided to normal commercial standards, in colour, but with attention to siting of cameras to reduce risk of damage by fire or vandals. Cameras will operate to low light level standards. - Provision of colour monitors is not retrospective - A connection from the CCTV system shall be made available, should BTP so require, to the local or agreed office such that BTP may select and monitor the picture of any camera. The BTP access does not override the monitoring by the railway operations personnel. - The CCTV facilities to be provided on a ring system to obviate loss of service when one cable section fails Recording - Time/Date marked recording shall be provided on all video and audio tape channels. - Continuous multi-track video recording facilities of all camera shall be provided at the Central Control Point. Tapes shall not be over-recorded in less than 24 hours. Separately located, off site playback facilities shall be provided in non S & T accommodation as defined by the Profit Centre Manager. - Continuous audio recording facilities of all telephones, and PA announcements shall be provided. All telephone circuits on the station and in the associated operations control shall be recorded and tapes shall not be over-recorded

9 - 9 - in less than 7 days. The recorders shall be arranged so that replay is only possible on an off-site machine Cable - All circuits which connect CCTV, Alarm, Public Address and emergency communications (including radio) and power for the above to be provided in fire resistant cable in accordance with TD CAB Fire Alarm - These will be to the local Fire Safety Managers/Local Authority Fire Brigade requirements (but not provided by S&T). The system will have a control console and indications extended to the remote control centre. Alternatives must be considered where required by the Local Authority Fire Brigade Emergency Services Radio - Fire alarm systems will be provided with controls to interface to the station PA and be capable of operating automatic PA announcements as agreed by the Fire Safety Manager (See clause 10.5.). On stations shared with other railway undertakings (such as LUL or a PTE) an integrated system shall be provided. (See clause 9.5.). These facilities to be provided unless the Emergency services gives written assurance to the Fire Safety Manager that surface systems cover the entirety of this complex. (a) Fire Service - A system covering the Station area will operate on Fire Authority frequencies capable of operating in talk through mode from the Fire Control Unit at the incident control position. One integrated system shall cover the whole underground premise for example in London a joint LUL/BR system not two separate systems. (See clause 9) - The fixed infrastructure system shall be designed to ideally not radiate more than 50m from BR property into the streets etc. except to cover the rendezvous point. This limitation may not be possible, in which event clearance must be given by the local fire service. - Land line connection shall be provided by a socket to local fire Authority specification located at the fire service rendezvous point (RVP) or location agreed between Fire Services and Fire Safety Manager - see 7.1. (b) BT Police - A System and base station controlled locally by landline from a BT Police Control centre network is required. For joint stations with London Underground, the seperate BTP L Division channels shall be extended to overlap into the BR part of the station and vice versa. - (See clause 7.2.)

10 (Note L Division of BTP use VHF channels) - Intercommunication between emergency authorities and BTP will be provided by BTP. BTP will equip their radios for Fire Authority channels or the common Home Office channel 5. All these radio systems shall use the BR aerial system using combining devices but having separate base stations per Authority. At interchange stations, one operator will be directed to provide the full coverage (i.e. LUL for Northern City Line). Self monitoring apparatus shall be provided with alarms repeated over the control circuit to the Radio Network Control Centre for each system Aerial System - Attention should be given to siting of aerials to give maximum area of cover inside the station, security from vandalism and limitation of danger by fire damage. Cables feeding aerials shall conform to 10.8 and coverage limited as per (a) Equipment - Should be installed in a fire resistant cupboard or room equipped with smoke detection in accordance with requirements of Fire Safety Manager. 11. CODE OF PRACTICE - To be maintained under the auspices of S&T with the exception of the Fire Alarm connections to the PA. For the FA/PA interface the PA should be able to test the interface. Maintenance performance to be as per TMI BGEN0004. Because of the interdepartmental nature of this document it is to be promulgated in a separate form signed by Director Safety and Director of Operations so as to be mandatory upon all railway personnel and to ensure compliance is achieved. 12. HISTORY ISSUE 1 Jan 1992 Approved by Telecomm Sub-Committee RS 13. AUTHORISATION This directive is authorised for implementation by:- Signatures removed from electronic version C. Kessell Assistant Director (Telecommunictions) For Director of S&T Engineering - END -