GB 50116-2013 PDF English
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| GB 50116-2013 | English | 145 |
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Code for design of automatic fire alarm system
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GB 50116-2013: Code for design of automatic fire alarm system---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GB50116-2013
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
Code for Design of Automatic Fire Alarm System
Issued on. SEPTEMBER 06, 2013
Implemented on. MAY 01, 2014
Issued by. Ministry of Housing and Urban-Rural Development of the
People's Republic of China
NATIONAL STANDARD
OF THE PEOPLE'S REPUBLIC OF CHINA
Code for Design of Automatic Fire Alarm System
Chief Development Department. the Ministry of Public Security of the People's Republic of
China
Approval Department. Ministry of Housing and Urban-Rural Development of the People's
Republic of China
Implementation date. May 1, 2014
China Planning Press
2013 Beijing
Table of Contents
Foreword... 6
1 General Provisions... 8
2 Terms... 9
3 Basic Requirement... 10
4 Automatic Control Design... 14
5 Fire Detector Choice... 23
6 Setting of the Equipment... 29
7 Fire Alarm and Safety System Installed in Dwelling Building... 38
8 Combustible Gas Detection and Alarm System... 41
9 Alarm and Monitoring System for Electric Fire Protection... 43
10 Power Supply... 45
11 Wiring... 47
12 Automatic Fire Alarm System for Typical Place... 49
Appendix A Operating Status Information Table for Fire Alarm & the Fire Equipment in the
Building... 53
Appendix B Fire Safety Management Information Table... 55
Appendix C Classification for the Point Type Heat Detectors... 58
Appendix D Specific Setting of the Detectors... 59
Appendix E Limit Curve for Install Space of the Detectors... 62
Appendix F Setting of Detectors Influenced by Roof Beam... 63
Appendix G Number of the Roof Beams Protected by One Detector Based on the Roof Beams
Area... 64
Explanation of Wording in This Code... 65
List of Quoted Standards... 66
1 General Provisions
1.0.1 This code is formulated with view to rational design of automatic fire alarm system,
prevention and reduction of fire hazards and protection of the personal and property safety.
1.0.2 This code is applicable to design of automatic fire alarm system located in the
constructed, renovated and extended building and structure but not applicable to that located
at the places for production and storage of gunpowder, explosive, ammunition and explosive
device.
1.0.3 Aimed at the features of the protected objects, the design of automatic fire alarm
system shall comply with the relevant national guideline and policy and realize the safety and
reliability, advanced technology and economic feasibility.
1.0.4 The design of automatic fire alarm system shall not only comply with this code but
those in the current relevant standards of the nation.
2 Terms
2.0.1 Automatic fire alarm system
The fire system in use for exploration of early fire feature, sending the fire alarm signal and
provision of control and indication for personnel evacuation and prevention of fire spreading
and start of self-extinguishing device.
2.0.2 Alarm zone
Unit of warning limit of automatic fire alarm system divided according to fire zone or storey,
etc.
2.0.3 Detection zone
Unit of alarm zone divided according to position of detected fire.
2.0.4 Monitoring area
Area of a fire detector where it can detect effectively.
2.0.5 Installation spacing
Horizontal distance between two centers of adjacent fire detectors.
2.0.8 Feedback signal from automatic equipment
Signal indicating the controlled fire equipment (facilities) will send the operation state
information to the automatic controller for fire protection.
3 Basic Requirement
3.1 General Requirements
3.1.1 The automatic fire alarm system may be used at the places where the persons live or
stay frequently and those where the valuable supplies are stored or the serious pollution will
be alarmed timely after the burning.
3.1.6 The short circuit isolator shall be arranged at the system bus and the total amount of
the fire equipment protected by the isolator, like fire detector, manual fire alarm call point and
module shall not exceed 32 points; the short circuit isolator shall be arranged at the place
where the bus goes through the fire zone where necessary.
3.1.7 In the 100m or over long buildings, the fire detector, manual alarm button, module, etc.
which are controlled by each controller shall not cross over the refuge storey other than the
controller located in the Fire control center.
3.1.8 Variable frequency startup mode shall not be adopted for the electric fire control unit
like pump control cabinet and fan control cabinet.
3.1.9 The automatic fire alarm system located at the subway trains shall send the fire
position information to the trains via wireless network, etc.
3.2 Choice and Design of System
3.2.4 The design of the control center warning system shall meet the following
requirements.
3.3 Division of the Alarm Zone and Detection Zone
3.4.9 The display and control of fire control center shall meet the relevant requirements of
the current standard GB 25506 "General Technical Requirements for Fire Control Center".
3.4.10 The information record and information transmission at fire control center shall meet
the relevant requirements of the current standard GB 25506 "General Technical Requirements
for Fire Control Center".
4 Automatic Control Design
4.1 General Requirements
4.1.1 The automatic controller for fire protection shall send the control signal to start & stop
an automatic equipment to each relevant controlled equipment according to the preset control
logics and receive the feedback signal from automatic equipment of the relevant equipment.
4.1.5 Fire equipment with larger starting current should be started up at different time.
4.1.6 As for the fire equipment requiring automatic control of automatic fire alarm system,
the signal for logical program shall adopt " and " logical combination of alarm signal of two
independent alarm trigger gears.
4.2 Automatic Control Design of the Automatic Sprinkler System
4.2.1 Automatic control design of wet pipe system and dry pipe system shall meet the
following requirements.
4.2.2 Automatic control design of precaution system shall meet the following requirements.
4.2.3 Automatic control design of deluge system shall meet the following requirements.
4.2.4 Automatic control design of self-controlled water curtain system shall meet the
following requirements.
4.3 Automatic Control Design of Fire Hydrant System
4.3.1 In the automatic control, the signal for low voltage pressure switch located on main
outlet pipe of fire hydrant system and the flow switch or alarm valve located on outlet pipe of
elevated water tanks shall be used as the trigger signal to directly control the opening of fire
hydrant pump; the automatic control shall not be affected by the automatic or manual state of
automatic controller for fire protection.
4.4 Automatic Control Design of Gases (Bubble) Fire-extinguishing System
4.4.1 The gases (bubble) fire extinguishing system shall be controlled by the specialized gas
fire extinguishing controller and bubble fire extinguishing controller respectively.
4.6 Automatic Control Design of Fire Door and Fire Roller Shutter System
4.6.1 Automatic control design of fire door system shall meet the following requirements.
4.6.2 Lifting and falling of fire roller shutter shall be controlled by the fire roller shutter
controller.
4.7 Automatic Control Design of Elevator
4.7.1 The automatic controller for fire protection shall be able to send out the control signal
to start & stop an automatic equipment to make all the elevators stop at the first floor or
elevator transfer floor.
5 Fire Detector Choice
5.1 General Requirements
5.1.1 The choice of fire detectors shall meet the following requirements.
5.2 Choice of Point Type Fire Detector
5.2.1 For rooms of different height, the point type fire detector may be selected according to
Table 5.2.1.
5.2.2 The point type smoke fire detector should be selected for the following places.
5.3 Choice of Line type Fire Detector
5.3.1 The line type optical light beam smoke fire detector should be selected for the
unscreened large space or rooms with special requirements.
5.4.2 The pipeline-sampling type aspirated smoke fire detector without filter screen and
pipeline self-cleaning function shall not be selected for the places with heavy dust.
6 Setting of the Equipment
6.1 Setting of the Fire Alarm Control Unit and Automatic Control Equipment
6.2 Setting of the Fire Detector
6.2.1 The specific arrangement part of the detector shall be adopted in accordance with
Appendix D in this code.
6.2.6 No shelter shall be within 0.5 m around the point type detector.
6.2.7 When the room is divided by the bookshelf, equipment or partition etc. and the
distance from its top to the ceiling plate or the beam is less than 5% of the stud, at least one
point type detector shall be installed for each divided part.
6.3 Setting of the Manual Call Point
6.3.1 A manual call point (at least) shall be arranged in each fire zone. The walking distance
between any position and the nearest manual call point in each fire zone shall not be greater
than 30m. The manual call point should be arranged at the evacuation route or entrance/exit.
The manual call point set on the trains shall be at the entrance/exit of and in middle of each
carriage.
6.4 Setting of the Fire Display Panel
6.4.1 A fire display panel shall be arranged in each alarm zone; a fire display panel shall be
arranged in each alarm zone of such place as hotel and restaurant etc.. If there are many floors
in an alarm zone, a fire display panel shall be arranged in each floor, which can only display
the alarm information of this floor.
7 Fire Alarm and Safety System Installed in Dwelling Building
7.1 General Requirement
7.2 System Design
7.3 Setting of the Fire Detector
7.3.1 A smoke fire detector (at least) shall be arranged in each bedroom or living room.
7.3.2 The combustible gas detector arranged in the kitchen shall meet the following
requirements.
7.4 Setting of the Fire Alarm Control Unit for Household
7.4.1 The fire alarm control unit for household shall be independently arranged in each
household and shall be arranged in the visible position and positions where the operation is
convenient. If the unit is installed by hanging, the height from its bottom edge to the ground
should be 1.3m~1.5m.
7.4.2 The fire alarm control unit for household provided with graphic talkback function
should be arranged nearby the household door.
7.5 Setting of the Fire Alarm Signalling Device
7.6 Setting of the Emergency Broadcast Device
8 Combustible Gas Detection and Alarm System
8.1 General Requirement
8.2 Setting of the Combustible Gas Detector
8.2.1 As for the combustible gas detector, it shall be arranged at the top of the monitoring
space once the detecting gas density is less than the air density, shall be arranged at the lower
part of the monitoring space once detecting gas density is greater than the air density and may
be arranged in the middle of or at the top of the monitoring space once the detecting gas
density is equal to the air density.
8.2.2 The combustible gas detector should be arranged nearby the place where the
combustible gas may be generated.
8.3 Setting of the Combustible Gas Control Unit
8.3.1 If the fire protection control room is provided, the combustible gas control unit may be
arranged nearby the monitoring zone; otherwise, the combustible gas control unit shall be
arranged at the place attended by someone.
9 Alarm and Monitoring System for Electric Fire Protection
9.1 General Requirement
9.1.1 The alarm and monitoring for electric fire protection may be used to places where the
potential electric fire may occur.
9.1.5 Where the fire control center is arranged, the alarm information and fault information
of the alarm and control unit for electric fire protection shall display on the graph indicator
in fire control center or fire alarm control unit with the function of centralized control;
however, this kind of information shall be different from the fire alarm information.
9.1.6 The setting of alarm and monitoring for electric fire protection shall not have an effect
on the normal operation of the power supply system and the power supply should not be shut
down automatically.
9.2 Setting of the Leakage Current Detector for Electric Fire Prevention
9.2.1 The basic principle is that the leakage current detector for electric fire prevention shall
be arranged at the head end of the low-voltage distribution system; the detector should be
arranged at the outlet end of the first grade distribution cabinet (box). The detector should be
arranged in the next grade distribution cabinet (box), if the leakage current of the power
supply circuit is greater than 500mA.
9.3 Setting of the Heat Detector for Electric Fire Prevention
9.3.1 The heat detector for electric fire prevention shall be arranged at positions such as
cable joint, terminal and important heating components etc..
9.3.2 The monitoring objects are distribution lines of 1000V or below and the contact-type
layout shall be adopted for the heat detector for electric fire prevention.
9.3.3 The monitoring objects are power supply circuits of 1000V, and the grating optical
fiber or infrared heat detectors for electric fire prevention should be selected for as heat
detectors for electric fire prevention; the grating optical fiber heat detector for electric fire
prevention shall be directly arranged on the surface of monitoring objects.
9.4 Setting of the Independent Detector for Electric Fire Prevention
9.5 Setting of the Alarm and Control Unit for Electric Fire Protection
9.5.1 If the fire control center is set, the alarm and control unit for electric fire protection
shall be arranged in the fire control center or nearby the monitoring zone; if the unit is
arranged nearby the monitoring zone, the alarm information and fault information shall be
introduced into the fire control center.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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