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GB 50313-2013

Chinese Standard: 'GB 50313-2013'
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BASIC DATA
Standard ID GB 50313-2013 (GB50313-2013)
Description (Translated English) Code for design of fire communication and command system
Sector / Industry National Standard
Classification of Chinese Standard P76
Classification of International Standard 33.020
Word Count Estimation 98,933
Older Standard (superseded by this standard) GB 50313-2000
Quoted Standard GB 50174; GB/T 50311; GB 50343; GB/T 2887
Drafting Organization Shenyang Public Security Fire Research Institute
Administrative Organization Ministry of Housing and Urban-Rural Development
Regulation (derived from) Department of Housing and Urban-Rural Development Bulletin No. 6
Summary This standard applies to: new construction, renovation, expansion fire communication command system designs.

GB 50313-2013
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
UDC
Code for design of fire communication
and command system
消防通信指挥系统设计规范
ISSUED ON: MARCH 14, 2013
IMPLEMENTED ON: OCTOBER 01, 2013
Issued by: Ministry of Housing and Urban-Rural Development of the
People's Republic of China;
General Administration of Quality Supervision Inspection And
Quarantine.
Table of Contents
Announcement of Ministry of Housing and Urban-Rural Development of the
People’s Republic of China ... 3 
Foreword ... 4 
1 General provisions ... 8 
2 Terms ... 9 
3 Technical structure of system ... 12 
4 System function and major performance ... 14 
4.1 System function ... 14 
4.2 System interface ... 14 
4.3 Major performances of system ... 15 
4.4 System safety ... 15 
5 Sub-system function and design requirements ... 17 
5.1 Fire alarm acceptance sub-system ... 17 
5.2 Cross-zone command and dispatch sub-system ... 21 
5.3 Fireground command sub-system ... 24 
5.4 Command simulation drill sub-system ... 29 
5.5 Graphical fire information sub-system ... 29 
5.6 Fire vehicle management sub-system ... 30 
5.7 Fire command and decision-making supporting sub-system ... 32 
5.8 Command information management sub-system ... 33 
5.9 Geographical fire information sub-system ... 34 
5.10 Fire information display sub-system ... 37 
5.11 Fire wire communication sub-system ... 38 
5.12 Fire wireless communication sub-system ... 41 
5.13 Fire satellite communication sub-system ... 44 
6 Basic environment demands of system ... 46 
6.1 Computer communication network ... 46 
6.2 Power supply of system ... 46 
6.3 Lightening proof and grounding of system ... 48 
6.4 Integrated wiring of system ... 49 
6.5 Device room of system ... 49 
7 Requirements for general system devices and software ... 53 
7.1 General system device ... 53 
7.2 System software ... 53 
8 Configuration requirements for system equipment ... 54 
8.1 Configuration of system equipment for fire communication and command center ... 54 
8.2 Configuration of system equipment for mobile fire command center ... 58 
8.3 Configuration of fire station’s system device ... 61 
Explanation of wording in this Code ... 63 
List of quoted standards ... 64 
Code for design of fire communication
and command system
1 General provisions
1.0.1 This Code is stipulated so as to standardize design of fire communication
and command system, to construct a complete supporting system for fire
communication and command technology, to improve firefighting and rescue
capability of fire brigade, to meet needs of fire control responsibility area at
every level and cross-zone operational command communication, to protect
citizens’ lives, property and social public security.
1.0.2 This Code is applicable to designs of newly-built, rebuilt and expanded
fire communication and command systems.
1.0.3 Design of fire communication and command system shall follow relevant
national policies, guidelines, laws and regulations, adapt to needs to fight fires
and dispose of other disasters, coordinate with development of public
infrastructure such as communication and network, so as to be safe and
practical, technology-advanced and economical.
1.0.4 In addition to this Code, design of fire communication and command
system shall also comply with provisions of current national relevant standards.
2 Terms
2.0.1 fire communication and command center
the part that is set in fire command organization, that can communicate with
command center of public security organ and relevant government department,
that has functions such as acceptance of fire alarm and other disaster alarm,
firefighting and rescue dispatching command, and intelligence information
support
2.0.2 mobile fire communication and command center
the part that is set in mobile carrier such as fire communication command
vehicle, that has functions such as communication network, command
communication, intelligence information support at scene of fire and other
disasters or at fire service site; it is an extension to fire communication and
command center
2.0.3 fire alarm acceptance sub-system
the part in fire communication and command center that, through
communication network, receives and handles fire and other disaster alarms
and related information; major equipment includes fire alarm acceptance
terminal, fire alarm terminal of fire station
2.0.4 cross-zone command and dispatch sub-system
the part in fire communication and command system that, through
communication network, performs cross-zone firefighting and rescue
dispatching command; major equipment includes dispatch command terminal
2.0.5 fireground command sub-system
the part in fire communication and command system that, through
communication network, performs firefighting and rescue command,
intelligence information support at scenes of fire and other disasters; major
equipment includes fireground command terminal and portable firefighting
command platform
2.0.6 command simulation drill subsystem
the part in fire communication and command system that uses system
resources to carry out firefighting and rescue simulation command training for
fire commanders
2.0.7 graphical fire information sub-system
3 Technical structure of system
3.0.1 Fire communication and command system can be divided into national,
provincial (autonomous regional), regional (state, alliance) fire communication
and command system AND urban fire communication and command system.
3.0.2 Technical structure of fire communication and command system consists
of three parts: communication and command business, information support and
basic communication network (see Figure 3.0.2), in accordance with following
requirements:
1 Communication and command business mainly includes fire alarm
acceptance sub-system, cross-zone command and dispatch sub-system,
fireground command sub-system, command simulation drill subsystem,
which respectively realize communication and command business
functions such as acceptance and processing alarms of fire and other
disasters, fire force dispatching, firefighting and rescue command as well
as training;
2 Information support mainly includes graphical fire information sub-system,
fire vehicle management subsystem, fire command and decision-making
supporting sub-system, command information management sub-system,
and geographical fire information sub-system, which are to provide
information support to communication and command business;
3 Basic communication network part mainly includes fire wire communication
sub-system, fire wireless communication sub-system, and fire satellite
communication sub-system. It is based on computer communication
network to form a fire integrated information transmission network that
integrates voice, data and image.
4 System function and major performance
4.1 System function
4.1.1 Fire communication and command system shall have following basic
functions:
1 Firefighting and rescue dispatching command of responsible jurisdiction
and cross-zone firefighting and rescue dispatching command;
2 Ground command and communication of fire and other disasters;
3 Management of communication and command information;
4 Drill training of communication and command business;
5 Urban fire communication and command system shall be able to perform
centralized acceptance and processing of fire in responsible jurisdiction
as well as alarms of disasters such as hazardous chemical spills, road
traffic accidents, earthquakes and secondary disasters, building collapses,
major safety production accidents, air crashes, explosions, terrorist
incidents and mass casualties in which priority shall be focused on
personnel life rescue.
4.2 System interface
4.2.1 Fire communication and command system shall have following
communication interfaces:
1 System communication interfaces for command center of public security
organ;
2 System communication interfaces for relevant government department;
3 Communication interfaces for relevant firefighting and recue organization;
4 Communication interfaces for mobile wireless data of public network.
4.2.2 Fire communication and command system shall have following alarm
acceptance communication interfaces:
1 Alarm call communication interfaces for public network;
2 Alarm communication interfaces for private networks such as urban fire
remote monitoring system;
3 Data transmission interfaces for installation address of landline telephone
for alarm and positioning address of mobile phone for alarm.
fire and other disasters.
2 Identify authenticity of fire. Position fire and other disaster sites. Determine
type and level of fire and other disasters.
3 Automatically or manually prepare dispatch plan for firefighting and rescue
force.
4 Give dispatch command of first dispatch force to fire station. Give disaster
notification and joint operation requirements to organizations related to
firefighting and rescue.
5 Establish files for fire and other disasters. Generate reports.
5.1.2 Alarm acceptance function of fire alarm acceptance sub-system shall
meet following requirements:
1 Be able to accept alarms from landline telephone or mobile phone of public
network;
2 Be able to accept alarms from devices such as urban fire remote monitoring
system;
3 Be able to accept alarms from other private network phones;
4 Be able to accept alarms from text message or multimedia messaging
service sent by public network.
5.1.3 Alarm identification function of fire alarm acceptance sub-system shall
meet following requirements:
1 Be able to accept and display caller ID, user name, phone installation
address of landline phone for alarm;
2 Be able to accept and display caller ID, positioning address of mobile
phone for alarm;
3 Through installation address or positioning address of phone for alarm, be
able to perform fast positioning for sites of fire and other disasters;
4 Through input of organization name, address, street, target, phone number,
be able to perform fast positioning for sites of fire and other disasters;
5 Be able to determine false alarm;
6 Be able to give prompt message for repeated alarm and combine to same
event for processing after confirmation;
7 Be able to determine types of fires and other disasters;
4 Be able to select to playback recording at authorized terminal; be able to
perform data dump and backup;
5 Recoding files shall be stored not less than 6 months. Original information
recorded cannot be modified;
6 Be able to display state of recording channel and remaining capacity of
storage medium. When recorded information exceeds threshold of set
storage capacity, it shall be able to give prompt information.
5.1.9 Fire alarm acceptance terminal shall meet following requirements:
1 Fire alarm acceptance terminal can be set in urban fire communication and
command center or command center of public security organ. Fire alarm
acceptance terminal that is set in command center of public security organ
shall be interconnected with cross-zone command and dispatch terminal
that is set in urban fire communication and command center. Keep
accepted alarm data synchronized and information shared.
2 Number of fire alarm acceptance terminal shall not be less than 2 sets;
3 In cities where daily alarms accepted are large, fire alarm acceptance
terminal can be divided into alarm accepted terminal and alarm processing
terminal; perform alarm acceptance and processing simultaneously;
4 Multiple display screens can be set at seats of each set of fire alarm
acceptance terminals to respectively display working interfaces specified
in 5.1.10 of this Code;
5 Alarm transfer can be performed between seats of fire alarm acceptance
terminal. Multiple terminals can collaborate to process alarms;
6 Have obvious incoming signal prompt of fire alarm.
5.1.10 Fire alarm acceptance terminal shall have following working interfaces:
1 Alarm acceptance and dispatch telephone, wireless radio operation
windows;
2 Recording and playback operation windows;
3 Numbers of fire and other disasters, alarm time, alarm caller ID, alarm
reporter name, alarm reporting address entry windows;
4 Organization name, address and responsible fire station entry windows of
sites of fire and other disasters;
5 Entry windows of specific situations of fire and other disasters;
sub-system
5.2.2 Disaster acceptance function of cross-zone command and dispatch sub-
system shall meet following requirements:
1 Be able to accept relative information such as information of fire and other
disasters, dispatch force and disposal that are sent from subordinate
communication and command center and fireground command sub-
system at same level;
2 Be able to accept disaster notification and force dispatching instructions
that are sent from superior communication and command center,
command center of public security organ and relative government
department.
5.2.3 Determination of disaster situation of cross-zone command and dispatch
sub-system shall meet following requirements:
1 Be able to search types of fire and other disasters as well as level database;
2 Be able to make a judgement on type, level and development trend of
accepted disaster.
5.2.4 Force dispatch function of cross-zone command and dispatch sub-system
shall meet following requirements:
1 Be able to randomly prepare firefighting force dispatch plan according to
pre-arranged plans of key fire security organization, levels of fire and other
disasters and firefighting force database;
2 Be able to give cross-zone dispatch command in forms of voice, data and
command video;
3 Be able to give disaster notification and joint operation requirements to
relevant firefighting and rescue organizations such as medical, ambulance,
transportation, safety supervision organizations.
5.2.5 Decision-making function of cross-zone command and dispatch sub-
system shall meet following requirements:
1 Be able to randomly prepare firefighting and rescue plan according to pre-
arranged plans of key fire security organization and decision-making
supporting database;
2 Be able to give cross-zone operational command in forms of voice, data
and command video.
5.2.6 Cross-zone command and dispatch sub-system shall be able to make a
2 Information of fire vehicle, personnel, firefighting and rescue equipment,
extinguishing agent at the scene;
3 Environment information such as ground meteorology, roads, fire water
sources, buildings (structures);
4 Information of live fireground image.
5.3.4 Fighting command function of fireground command sub-system shall
meet following requirements:
1 Be able to make a judgement on type, level and development trend of
disaster;
2 Be able to randomly prepare firefighting and rescue plan according to pre-
arranged plan of key fire security organization, decision-making
supporting database;
3 Be able to give firefighting and rescue command in forms of voice, data
and command video.
5.3.5 Ground information reported by fireground command sub-system shall
include following information:
1 Ground situation information of fire and other disasters;
2 Environment information such as ground meteorology, roads, fire water
sources, buildings (structures);
3 Information of ground firefighting and rescue;
4 Information of live fireground image.
5.3.6 Fireground command sub-system shall be able to make a real-time
recording of information such as text, voice, image during entire process of
fireground command and communication. Save into files of corresponding fire
and other disasters. Generate relevant statistical report.
5.3.7 Voice-recording and time-recording during entire process of fireground
command shall comply with provisions of 5.1.8 of this Code.
5.3.8 Fireground communication networking function of fireground command
sub-system shall meet following requirements:
1 Be able to connect to wired telephones such as local calls at the scene
through external telephone interface or satellite communication link;
2 Be able to connect to fireground wired telephone command communication
network through car phone exchange and wired telephone communication
communication links;
7 Be able to perform switch display of live graphic information;
8 Be able to perform interactive multimedia combating conference operation;
9 Have sending function of emergency call signals such as retreat and
distress;
10 Be able to perform fireground command broadcast amplification operation;
11 Be able to perform centralized control and monitoring of various electrical
equipment.
5.3.11 Devices such as fireground command terminal shall have following
working interfaces:
1 Information display and function operation windows specified in
5.3.2~5.3.10 of this Code;
2 Display windows of firefighting geographical information;
3 Display windows of various electrical equipment control operations and
condition monitoring.
5.3.12 Portable firefighting command platform shall meet following
requirements:
1 Have positioning, navigation functions;
2 Have display windows for live firefighting geographical information;
3 Have operation windows for firefighting command decision-making
supporting function specified in 5.7.3 of this Code;
4 Have windows for fireground operational command information entry. Entry
information cannot be modified;
5 Have windows for quickly entering fire rescue, emergency rescue,
information inquiry;
6 Be able to perform firefighting and rescue deployment plotting and
temporary disaster management plan preparation based on live fire
protection geographical information, fire water source and pre-arranged
fire rescue plan;
7 Have firefighting and rescue data association, information query, voice
prompt function;
information that is collected and transmitted by collection points of fire
monitoring image information that are set in key areas of urban fire protection,
fire protection key construction (structure), key fire protection parts.
5.5.3 Graphical fire information sub-system shall be able to networked with
public security image monitoring system to obtain image information of key
areas, key parts, key roads.
5.5.4 Graphical fire information sub-system shall be able to accept live image
information such as preparation for firefighting, alarm acceptance and fire force
dispatch that is collected, transmitted by information collection points of remote
monitoring images that are set in fire station in jurisdiction.
5.5.5 Graphical fire information sub-system shall be able to accept live image
information that is uploaded in real time by fire vehicles.
5.5.6 Graphical fire information sub-system shall be able to access to fire
command video and audio conference and participate in video and audio
conferences held by public security organs, relevant government departments.
5.5.7 Graphical fire information sub-system shall be able to perform centralized
management and control of various image information sources according to
authority allocation.
5.5.8 Graphical fire information sub-system shall be able to store and perform
search playback of various image information.
5.6 Fire vehicle management sub-system
5.6.1 Vehicle monitoring function of fire vehicle management sub-system shall
meet following requirements:
1 Be able to accept and display real-time state information such as fire
vehicle location, operation (speed, direction of travel), chassis, tops, car
equipment, video and audio, atmospheric environment sent from vehicle
terminal;
2 Be able to display dynamic track of fire vehicle. Have playback function of
historical tracks;
3 Have monitoring management function for fire vehicles of different levels,
different areas and particular fire vehicle.
5.6.2 Transmission function of firefighting and rescue information for fire vehicle
management sub-system shall meet following requirements:
1 Be able to accept and display operational states such as stand-by, dispatch,
underway, arrival, water output, water being carried, water stop, return,
route.
5.6.4 Performances of fire vehicle management sub-system shall meet
following requirements:
1 Allowable horizontal deviation of fire vehicle positioning shall be ±15m;
2 Start time of vehicle terminal system shall not exceed 90s;
3 Start time of positioning function of vehicle terminal shall not exceed 180s;
4 Be able to simultaneously monitor positions, states of fire vehicles not less
than 2 firefighting and rescue sites.
5.7 Fire command and decision-making supporting sub-system
5.7.1 Fire command and decision-making supporting sub-system shall be able
to search and inquire information specified in 5.8.3~5.8.7 of this Code.
5.7.2 Pre-arranged plan management function of fire command and decision-
making supporting sub-system shall meet following requirements:
1 Be able to provide template, prepare various pre-arranged firefighting and
rescue plans in jurisdiction or cross zone, and build pre-arranged plan
library;
2 Be able to perform alignment match based on input conditions such as type
and level of disaster. Find corresponding pre-arranged plan;
3 Be able to edit and modify based on one pre-arranged plan to form a new
pre-arranged plan;
4 Be able to make home or inter-view control authority according to pre-
arranged plan. Provide functions such as addition, modification and
deletion;
5 Have output functions such as download, print of pre-arranged plan.
5.7.3 Auxiliary decision-making function of fire command and decision-making
supporting sub-system shall meet following requirements:
1 Be able to collect data of entry fire and other disasters as well as ground
environment information;
2 Be able to utilize firefighting and rescue model, expert knowledge, typical
case to evaluate development trends and consequences of fire and other
disasters;
3 Be able to provide corresponding disposal measures on fire and other
functions.
5.8.2 Information classification and encoding, data structure, information
exchange standards of command information management sub-system shall
comply with provisions of relevant current national standards.
5.8.3 Information of fire and other disasters shall contain alarm acceptance
situation, type of fire and other disasters, level of fire and other disasters.
5.8.4 Fire resource information shall contain information such as fire strength,
fire vehicle status, firefighting and rescue equipment, fire water source, fire
extinguishing agent, firefighting and rescue related organization, firefighting
and rescue expert, and fighting protection.
5.8.5 Fire command and decision-making supporting information shall contain
information such as key fire safety key organization, hazardous chemicals,
various fire and disaster characteristics, firefighting and rescue techniques and
tactics, and meteorology.
5.8.6 Firefighting and rescue action information shall contain pre-arranged plan
information of various firefighting and rescues, force dispatch and firefighting
and rescue situation.
5.8.7 Firefighting and rescue record and statistical information shall contain
voice-recording and time-recording of alarm acceptance and alarm processing,
firefighting and rescue record information, statistical information of firefighting
and rescue.
5.9 Geographical fire information sub-system
5.9.1 Geographical fire information sub-system shall be able to associated and
used with fire alarm acceptance sub-system, and display following information:
1 Position and display geographical location of landline telephone for alarm
and mobile phone for alarm;
2 Position and display geographical location of sites of fire and other
disasters;
3 Display information such as roads, fire water sources, buildings (structures)
of sites of fire and other disasters;
4 Search and display distribution information of fire strength, firefighting and
rescue equipment, fire extinguishing agent, public security police force,
firefighting and rescue related organization;
5 Display best driving route, driving distance and time for fire vehicle to arrive
at the scene.
5.9.8 Geographical fire information sub-system shall, at national level, use
topographic map data not less than 1:250000; at provincial (autonomous
regional) level, use map data not less than 1:50000; at urban level, use map
data not less than 1:2000; at suburb, rural level, use map data not less than
1:10000.
5.9.9 Map data display and control function of geographical fire information sub-
system shall meet following requirements:
1 Display of map data shall contain street name, starting point, ending point,
street level, length, width, intersection, road condition, etc.;
2 Wide-area fire maps can display administrative areas as well as distribution
of roads, fire water sources and fire stations;
3 Alarm-acceptance fire maps can display fire station area in jurisdiction as
well as roads, fire water sources, key fire safety organizations, etc.;
4 Firefighting area maps can display fighting areas and roads that take
locations of fire and other disasters as center, fire water sources, buildings
(structures), force deployment and other related information;
5 Have map zoom-in, zoom-out, panning, roaming functions;
6 Be able to mark and set symbols, texts to display map key elements;
7 Be able to automatically switch image layers or regions according to display
scope and proportional scale;
8 Be able to support image overlay display.
5.9.10 Address matching analysis and positioning function of geographical fire
information sub-system shall meet following requirements:
1 Be able to set combination conditions for fuzzy query;
2 Be able to perform precise or fuzzy positioning on map according to names
or addresses of roads, communities, organizations, water sources, fire
hydrants, fire stations.
5.9.11 Measuring and analyzing function of geographical fire information sub-
system shall meet following requirements:
1 Be able to perform distance measurement to targets such as roads, fire
water sources, buildings (structures);
2 Be able to perform area measurement to targets such as roads, fire water
sources, buildings (structures);
3 Date, clock;
4 Current weather, temperature, humidity, wind direction, wind power;
5 Information of current fire and other disasters;
6 Statistical data of firefighting and rescue;
7 Image information specified in 5.5.1~5.5.7 of this Code;
8 Information of business application systems such as fire alarm acceptance,
dispatch command, on-sire command.
5.10.4 Hardware and software equipment of fire information display sub-system
shall comply with provisions of relevant current national standards.
5.10.5 Technical performances of fire information display sub-system shall meet
following requirements:
1 Be able to support various resolution signals from 640×480 to 1600×1200;
2 Screen brightness can adapt to high illumination environment. Brightness
uniformity shall be greater than 90%;
3 Screen horizontal viewing angle is 180°. Vertical viewing angle is not less
than 80°;
4 Be able to support protocols such as Control Protocol/Internet Protocol
(TCP/IP). Network interface shall be 10M/100M Ethernet;
5 Have modular structure that is easy to overhaul;
6 Seam clearance of large screen projection wall shall not exceed 1mm;
7 Use graphical interface that is fully in Chinese for easy operation and
control.
5.11 Fire wire communication sub-system
5.11.1 Fire wire communication sub-system shall have following calling lines for
fire alarm:
1 Voice communication line that is connected to urban public telephone
network;
2 Voice communication line that is connected to particular telephone network;
3 Voice, data communication lines that are connected to alarm terminal of
urban fire remote monitoring system;
5 Be able to perform roll-polling calls to preset multiple telephones;
6 Have functions of monitoring, forcible-inserting, forcible-demolishing and
calling-back after hanging up;
7 Be able to transfer between seats to complete transfer, pick-up functions.
Perform synchronization transfer of calling data during this process;
8 Have function of telephone traffic statistics to count data such as number
of incoming calls, number of connections, number of queues, number of
early releases, and average call duration;
9 Telephone alarm connection has the fourth intercept function;
10 Accept alarm telephone number sent from communication network inter-
office signaling.
5.11.8 Queue way for incoming fire alarm call shall meet following requirements:
1 When seats are busy, it shall be able to queue up incoming fire alarm calls
and send a voice prompt or ring back tone to user who is queuing up;
2 Alarms from key organizations can be assigned preferentially;
3 Incoming alarms of different office orientations can be assigned
preferentially;
4 When seats are off, incoming fire alarm calls cannot be assigned.
5.11.9 When there are incoming fire alarm calls, seat assignment can use
following modes:
1 Assign successively to each seat according to a proper sequence in cycles;
2 Assign successively according to a set fixed sequence;
3 Preferentially assign to the seat with longest idling time;
4 When assigning to one group of seats simultaneously, the first answerer
shall answer the call;
5 Assign according to seat business type and skill level.
5.12 Fire wireless communication sub-system
5.12.1 Fire wireless communication network shall meet following requirements:
1 Be able to set independent private fire wireless communication network or
join public security cluster wireless communication system. In system, set
2 Level-2 fire networks (fireground command networks) are applicable to
ensure communication between fire commanders at all levels within fire
scene and other disaster scenes;
3 Level-3 fire networks (firefighting and rescue combating networks) are
applicable to communication between each commander in fire brigade,
combat squad leader, driver, combatant of special service rescue class
within fire scene and other disaster scenes.
5.12.3 Data communication function of fire wireless communication sub-system
shall meet following requirements:
1 Be able to establish mobile data communication link between fire scene
and other disaster scenes AND fire communication and command center;
2 At fire scene and other disaster scenes, be able to realize inquiry,
transmission of information such as disposal plan, fireground firefighting
and rescue action plan, command decision data for fire and other
disasters;
3 Have mobile access safety measures during data communication through
public network;
4 Data communication transmission rate and bit error rate shall be able to
meet requirements for firefighting and rescue command.
5.12.4 Working frequency of fire wireless communication sub-system shall
meet following requirements:
1 Be able to fully utilize particular fire frequency networking;
2 Be able to apply civil frequency of which background noise is small,
transmission characteristics are good, and it is not in same frequency
band as civilian high-power transmitting equipment, according to needs
and local conditions;
3 Particular frequency points of cross-zone fire joint communication must not
set any control signaling;
4 Each fire station shall have a particular signal channel; or make each fire
station have a particular signal channel through frequency reuse of fire
station without supporting;
5 Number of preset signal channels of wireless ration station shall not be
less than 16.
5.12.5 Working environment of fire wireless communication sub-system shall
meet following requirements:
6 Basic environment demands of system
6.1 Computer communication network
6.1.1 Composition of computer communication network shall meet following
requirements:
1 Network shall be switch-mode fast Ethernet;
2 Use star topology structure;
3 LAN backbone network line rate shall not be lower than 1000Mbit/s, not
less than 100Mbit/s to each terminal computer network interface;
4 Properly divide virtual local area network (VLAN) according to functions of
different components in system and data processing flow.
6.1.2 Computer communication network performances shall meet following
requirements:
1 Be able to meet application requirements for multiple businesses such as
voice, data and image;
2 Have network-unified security policy, quality of service (QoS) policy, traffic
management policy, and system management policy;
3 Be able to ensure efficient transmission, strong timeliness and low latency
of various business data streams;
4 Have good expansion performance. Be able to support future expansion
needs.
6.2 Power supply of system
6.2.1 Power supply of system shall meet following requirements:
1 Power supply of fire communication and command center shall be
designed according to level-1 load;
2 Major power of provincial (autonomous region) fire communication and
command center and fire communication and command center in large
and medium-sized cities shall be supplied by two stable and reliable
independent powers. Set emergency power. Major power of other urban
fire communication and command centers shall not be less than two-loop
power supply;
3 System distribution lines shall be separated from other distribution lines.
They shall be equipped with automatic switching device at the last level of
9 Fire station shall set up a communication-specific AC distribution box. Its
power supply capacity shall not be less than 5kV • A.
6.2.2 Uninterruptible power supply shall meet following requirements:
1 AC power supply equipment that has requirements for being uninterruptible
and no transient shall use uninterruptible power;
2 When alarm acceptance, dispatch systems use online uninterruptible
power supply, after external mains power is cut off, it shall be able to
ensure that normal power supply time of all devices is not less than 12h.
When there is backup power generation system, uninterruptible power
supply shall ensure that normal power supply time is not less than 2h.
6.3 Lightening proof and grounding of system
6.3.1 Lightening proof of system shall comply with relevant provisions of current
national standard GB 50343 “Technical code for protection of building electronic
information system against lightning”.
6.3.2 Grounding of system shall meet following requirements:
1 Various groundings such as machine room AC function grounding,
protective earthing, DC function grounding, lightning proof grounding shall
share grounding grid. Grounding resistance shall be determined
according to minimum value;
2 When grounding adopts split mode, grounding resistance of each
grounding system shall be determined according to minimum value
required by equipment;
3 Building lightning proof grounding resistance shall not exceed 10Ω;
4 Do equipotential bonding in machine room. Set equipotential bonding
terminal box. A machine room where working frequency is less than
30kHz and number of devices is small can use single-point grounding
mode. A machine room where working frequency is greater than 300kHz
and number of devices is large can use multiple-point grounding mode;
5 In machine room, grounding......
Related standard:   GB/T 50374-2018  GB/T 51278-2018
   
 
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