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GB 50116-2013: Code for design of automatic fire alarm system Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Valid GB 50116: Historical versions
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/GB50116-2013GB 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 ContentsForeword... 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... 661 General Provisions1.0.1 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 Terms2.0.1 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 Requirement3.1 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 Design4.1 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 Choice5.1 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 Equipment6.1 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 Building7.1 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 Device8 Combustible Gas Detection and Alarm System8.1 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 Protection9.1 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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