GB 50116-2013 Code for Design of Automatic Fire Alarm Systems

General Provisions

• 第 1.0.1 条This code is formulated to rationally design automatic fire alarm systems, prevent and reduce fire hazards, a…
• 第 1.0.3 条The design of automatic fire alarm systems shall follow the principles of "safety and reliability, advanced t…
• 第 1.0.4 条The system design should be tailored to the characteristics of the protected object, achieving safety and app…
• 第 1.0.5 条The system design shall meet the basic functional requirements of fire detection, alarm, linkage control, man…
• 第 1.0.6 条The system design should ensure high reliability, stability and maintainability, and take into account compat…
• 第 1.0.7 条Hotel buildings (Class I high rise public buildings) shall be equipped with an automatic fire alarm system, a…
• 第 1.0.8 条The system design should reserve an interface with the city fire remote monitoring system and meet fire commu…
• 第 1.0.1 条This code is formulated to rationally design automatic fire alarm systems, prevent and reduce fire hazards, a…
• 第 1.0.2 条This specification applies to the design of automatic fire alarm systems in civil buildings such as hotels, a…
• 第 1.0.3 条The design of the automatic fire alarm system shall be tailored to the characteristics of hotel buildings, ac…
• 第 1.0.4 条The design must comply with the relevant national policies and guidelines, conform to current fire protection…
• 第 1.0.5 条The system design should reasonably determine the protection object level based on factors such as the fire r…
• 第 1.0.6 条The equipment used shall comply with the relevant national product standards and hold fire product certificat…
• 第 1.0.7 条In addition to complying with this code, system design shall also comply with the provisions of relevant curr…

Terminology

• 第 2.0.3 条The selection of the fire automatic alarm system form shall comply with the following provisions: A regional …
• 第 2.0.4 条Alarm zones shall be divided according to fire compartments or floors; one alarm zone should not exceed one f…
• 第 2.0.5 条Detection zones shall be divided by independent rooms (suites), and the area of a single detection zone shoul…
• 第 2.0.6 条The fire control room shall be equipped with devices for fire alarm, fire linkage control and fire emergency …
• 第 2.0.7 条Fire emergency broadcast loudspeakers shall be installed so that the straight line distance from any point wi…
• 第 2.0.8 条Special provisions applicable to hotel buildings: Guest rooms in hotels shall be equipped with fire audible a…
• 第 2.0.1 条Automatic fire alarm system: a fire alarm system composed of triggering devices, fire alarm devices, fire ala…
• 第 2.0.2 条Alarm zone: A unit formed by dividing the warning range of the automatic fire alarm system according to fire …
• 第 2.0.3 条Detection zone: a unit formed by dividing an alarm zone according to the fire detection areas. In hotel guest…
• 第 2.0.4 条Protection area: the area that a single fire detector can effectively detect. In hotel guest rooms, the prote…
• 第 2.0.5 条Installation spacing: the horizontal distance between two adjacent fire detectors. In hotel corridors, the in…
• 第 2.0.6 条Fire detector: a device that responds to fire parameters (such as smoke, temperature, light, flame, etc.) and…
• 第 2.0.7 条Manual fire alarm call point: a device that generates a fire alarm signal manually. In hotel buildings, at le…
• 第 2.0.8 条Fire alarm sounder/strobe: a device that emits both audible and visual fire alarm signals. It shall be instal…
• 第 2.0.9 条Fire control room: A dedicated space used to receive, display, and process fire alarm signals and to control …

System design

• 第 3.1.6 条Bus short circuit isolators shall be provided on the system bus, and the total number of fire protection devi…
• 第 3.2.1 条The selection of the fire automatic alarm system form shall comply with the following provisions: A regional …
• 第 3.3.1 条Fire alarm control panels and fire linkage control panels shall be installed in the fire control room. The fi…
• 第 3.4.1 条A fire alarm system with fire fighting linkage functions shall be provided with a fire control room, and the …
• 第 3.4.6 条Electrical wiring and conduits unrelated to fire protection facilities are strictly prohibited from passing t…
• 第 3.5.1 条The installation of fire emergency broadcast loudspeakers shall comply with the following provisions: In civi…
• 第 3.1.1 条Selection of automatic fire alarm system type: A local alarm system is suitable when only alarm is required w…
• 第 3.1.2 条Zoned alarm system: shall consist of fire detectors, manual alarm call points, fire sound and light alarm dev…
• 第 3.1.5 条Centralized alarm system: One central fire alarm control panel and two or more zone displays (e.g., on each h…
• 第 3.1.6 条Control center alarm system: The main fire control room shall be capable of displaying all fire alarm signals…
• 第 3.2.1 条Fire alarm control panel capacity: The total number of devices connected to each bus circuit should not excee…
• 第 3.2.2 条System device address: reserve no less than 10% spare capacity in the total number of addresses per loop (e.g…
• 第 3.3.1 条Fire detector installation: At least one detector shall be installed in each room; smoke detectors shall be i…
• 第 3.3.2 条Detector protection area: The protection area of a smoke detector is generally 60 m² (when room height ≤6 m);…
• 第 3.4.1 条Manual call point installation: at least one per fire compartment; spacing in hotel corridors shall not excee…
• 第 3.4.2 条Manual call point installation height: 1.3 m to 1.5 m above floor level.
• 第 3.5.2 条Sound light alarm sound pressure level: not less than 60 dB, and 15 dB above ambient noise.
• 第 3.6.1 条Fire emergency broadcast provision: The hotel shall be equipped with a fire emergency broadcast system; louds…
• 第 3.6.2 条Emergency broadcast linkage: After a fire is confirmed, a broadcast shall be made to the entire building simu…
• 第 3.7.1 条Fire emergency telephone provision: A fire emergency telephone exchange should be installed in the fire contr…
• 第 3.7.2 条Telephone extension installation height: 1.3 m–1.5 m above floor level.
• 第 4.1.1 条Fire linkage control: should provide linkage control for fire pumps, smoke control and exhaust fans, fire shu…
• 第 4.3.1 条Automatic sprinkler system linkage: signals from water flow indicators, signal valves, pressure switches, etc…
• 第 4.4.1 条Smoke control system interlock: after fire confirmation, the smoke exhaust outlets and air supply outlets in …
• 第 4.5.1 条Fire shutter linkage: Fire shutters on evacuation routes shall descend in two stages (stop at 1.8 m above the…
• 第 4.6.1 条Elevator linkage: Upon fire confirmation, all elevators shall be forced to descend to the ground floor, and n…
• 第 5.1.1 条Fire control room location: It should be located on the ground floor or the first basement level of the build…
• 第 5.1.2 条Fire control room area: shall not be less than 30㎡ (for hotel type buildings, no less than 50㎡ is recommended…
• 第 5.1.3 条Fire control room temperature: The equipment operating temperature should be 10℃–35℃.
• 第 6.1.1 条System power supply: The automatic fire alarm system shall be provided with a main power supply and a standby…
• 第 6.1.2 条System grounding: A dedicated grounding main shall be used, and the grounding resistance shall not exceed 4Ω.

System Design

• 第 3.8.1 条The design of the automatic fire alarm system for hotel buildings (hotels) shall comply with the following pr…
• 第 3.3.3 条Detector installation spacing: smoke detector installation spacing shall not exceed 15 m; heat detector insta…
• 第 3.5.1 条Fire alarm sound and strobe notification appliance installation: at least one per fire compartment; spacing i…
• 第 4.2.1 条Fire hydrant system interlock: upon activation of a fire hydrant button, the fire hydrant pump should start d…

System equipment

• 第 3.1.2 条Selection of automatic fire alarm system type: A regional alarm system is suitable where only alarm is requir…
• 第 3.2.1 条Fire alarm control panel capacity: The total number of devices and total number of addresses connected to eac…
• 第 3.4.6 条Graphic display device in the fire control room: it shall be capable of displaying the building general layou…
• 第 3.5.3 条Applicable to hotel buildings: The automatic fire alarm system of hotel buildings shall be capable of linkage…
• 第 6.2.2 条Point type photoelectric smoke fire detector: When installed on the ceiling of an interior corridor less than…
• 第 6.2.5 条Detector installation in rooms: at least 1 detector shall be installed in each room; when the room area is la…
• 第 6.3.1 条Manual fire alarm call point: at least 1 unit shall be provided in each fire compartment; the walking distanc…
• 第 6.3.2 条Installation height of manual call points: the bottom edge should be 1.3 m–1.5 m above floor level, and clear…
• 第 6.7.1 条Dedicated fire telephone: Fire telephone extensions shall be installed in fire pump rooms, generator rooms, t…
• 第 6.8.2 条Module installation: Modules within each alarm zone should preferably be installed in a relatively centralize…
• 第 6.8.3 条Module installation height: the bottom edge should be 1.3m–1.5m above the floor.

System Equipment

• 第 3.1.6 条System bus short circuit isolator setup: The total number of devices protected by each bus short circuit isol…
• 第 3.4.1 条Fire control room provision: A separately constructed fire control room shall have a fire resistance rating n…
• 第 3.5.1 条Applicable to hotel buildings: Hotel (lodging) buildings shall be equipped with an automatic fire alarm syste…
• 第 6.2.4 条Point type heat fire detector: when installed on the ceiling of an internal corridor less than 3 m wide, the …
• 第 6.2.8 条Kitchen and similar areas: point type heat fire detectors should be used (smoke detectors are not recommended…
• 第 6.5.1 条Fire alarm sounder/strobe: 1 unit should be installed per alarm zone; the walking distance from any location …
• 第 6.5.2 条Installation height of sound and light alarm: the height of the bottom edge above the floor should be greater…
• 第 6.6.1 条Fire emergency broadcasting: Fire emergency broadcast speakers should be installed in hotel guest rooms, corr…

Fire detector

• 第 3.1.2 条Fire detectors shall be capable of effectively detecting parameters such as smoke, temperature and flame gene…
• 第 3.2.1 条The protection area of a point type heat detector shall not exceed 30㎡, and the protection radius shall not e…
• 第 3.4.1 条The horizontal distance from the detector to walls and beam edges shall not be less than 0.5 m; the horizonta…
• 第 3.5.2 条There should be no obstructions within 0.5 m of the detector; the horizontal distance from the detector to lu…
• 第 3.8.1 条Guest rooms in hotel buildings shall be equipped with standalone smoke fire detectors, with a protection area…
• 第 3.8.3 条In public areas of hotel buildings such as corridors and elevator lobbies, the spacing between point type smo…
• 第 5.2.1 条For locations that have a smoldering stage in the early stage of a fire, produce large amounts of smoke and a…
• 第 5.2.2 条For locations where fire develops rapidly and can produce large amounts of heat, smoke and flame radiation (s…
• 第 5.2.3 条For locations with rapid fire development, intense flame radiation and a small amount of smoke and heat (such…
• 第 5.2.4 条For locations that have a smoldering stage in the early stage of a fire and require early detection (such as …
• 第 5.2.5 条When multiple fire detectors are installed in the same detection area, their layout shall be determined by pa…
• 第 5.2.6 条When smoke detectors are installed on the ceiling of an interior corridor less than 3 m wide (such as a hotel…
• 第 5.2.7 条When a room is partitioned by bookshelves, equipment, partitions, etc., and the distance from their top to th…
• 第 5.2.8 条The horizontal distance from the detector to walls and beam edges shall not be less than 0.5 m; the horizonta…
• 第 5.2.9 条There should be no obstructions within 0.5m of the detector; the horizontal distance to the perforated air su…
• 第 5.2.10 条When detectors are installed in elevator shafts or hoistway shafts, their location should preferably be on th…

Manual call point

• 第 6.3.1 条At least one manual fire alarm call point shall be provided in each fire compartment. The walking distance fr…
• 第 6.3.2 条Manual fire alarm call points shall be located in obvious and easily accessible positions. When wall mounted,…
• 第 6.3.3 条Manual fire alarm call points shall be installed at entrances and exits, including evacuation routes, safe ex…
• 第 6.3.4 条Manual fire alarm call points should be wall mounted; the installation shall be secure and must not be tilted.
• 第 6.3.5 条The connecting wires of manual fire alarm call points shall be provided with a slack of not less than 150 mm,…
• 第 6.3.6 条Manual fire alarm call points shall have the function of directly initiating a fire alarm signal and shall be…
• 第 6.3.7 条In hotel buildings, the installation of manual fire alarm call points shall, in addition to complying with th…
• 第 6.3 条According to the relevant provisions of Section "Manual Fire Alarm Call Points" in the Code for Design of Aut…
• 第 6.3.1 条At least one manual fire alarm call point shall be provided in each fire compartment. The walking distance fr…
• 第 6.3.2 条Manual fire alarm call points should be located in evacuation routes or at entrances and exits. In hotel buil…
• 第 6.3.3 条Manual fire alarm call points shall be located in obvious and easily accessible positions. When wall mounted,…
• 第 6.3.4 条Manual fire alarm call points shall be installed securely and shall not be tilted. In hotel guest room areas,…
• 第 6.3.5 条The connecting conductors of manual fire alarm call points shall be provided with a slack of not less than 15…

Fire alarm control panel

• 第 3.1.2 条The fire alarm control panel shall be installed in the fire control room; the door of the fire control room s…
• 第 3.1.5 条The fire alarm control panel shall be capable of receiving fire alarm signals from fire detectors and manual …
• 第 3.1.6 条The fire alarm control panel shall be capable of displaying the fire alarm location and fire alarm time, and …
• 第 3.2.1 条The fire alarm control panel shall be installed in the main fire control room. The main fire control room sha…
• 第 3.2.4 条In hotel buildings, the fire alarm control panel should be installed in the fire control room or duty room, a…
• 第 3.3.1 条The fire alarm control panel shall have a fault alarm function. When a fault occurs inside the panel or in a …
• 第 3.4.2 条The fire alarm control panel shall be provided with manual direct control buttons for controlling critical fi…
• 第 3.5.1 条The fire alarm control panel shall have a self test function, with a self test interval not exceeding 30 days…
• 第 3.1.1 条Fire alarm control panels shall be installed in the fire control room or a staffed location; in hotel buildin…
• 第 3.1.2 条The controller capacity shall meet the requirement for the total number of connected devices, with a margin o…
• 第 3.1.3 条The controller should be able to receive trigger signals from fire detectors, manual alarm call points, etc.,…
• 第 3.1.4 条The controller shall have a fault alarm function, providing audible and visual indications for line disconnec…
• 第 3.1.5 条The controller shall record and store event information such as alarms and faults, with a storage capacity of…
• 第 3.1.6 条The controller should be capable of manually or automatically controlling fire protection equipment (such as …
• 第 3.1.7 条The controller's main power supply shall use the fire protection power supply, and the backup power supply sh…
• 第 3.1.8 条The controller shall be provided with manual direct control buttons for controlling critical fire protection …

Fire linkage control

• 第 3.1.2 条The fire linkage controller shall be capable of sending linkage control signals to the relevant controlled eq…
• 第 3.1.6 条For fire protection equipment requiring linkage control by an automatic fire alarm system, the linkage trigge…
• 第 4.6.1 条Smoke exhaust system: The alarm signal from two independent fire detectors in the same smoke control zone, or…
• 第 4.1.6 条For fire protection equipment requiring linkage control by an automatic fire alarm system, the linkage trigge…
• 第 4.2.1 条Linked control of wet systems and dry systems: The actuation signal of the alarm valve pressure switch shall …
• 第 4.2.2 条Linked control of the pre action system: the alarm signals from two or more independent smoke fire detectors …
• 第 4.5.1 条Linkage control of the smoke control system: the alarm signal from two independent fire detectors in the fire…
• 第 4.5.2 条Linkage control of the smoke exhaust system: the alarm signal from two independent fire detectors in the same…
• 第 4.6.2 条Linked control of fire shutter doors: For fire shutter doors installed in evacuation routes, the alarm signal…
• 第 4.7.1 条Linkage control of the fire emergency broadcast system: the alarm signal from two independent fire detectors …

Fire alarm linkage control

• 第 4.1.1 条The fire linkage controller shall be capable of manually controlling the start/stop of fire pumps, smoke cont…
• 第 4.2.1 条Wet automatic sprinkler system: the pressure switch actuation signal serves as the interlock trigger signal t…
• 第 4.5.1 条Smoke control system: The alarm signal from two independent fire detectors in the fire compartment where the …
• 第 6.7.5 条(Applicable to hotel buildings) Fire emergency broadcast system: upon fire confirmation, broadcast to the ent…
• 第 4.1.1 条The fire linkage controller shall be capable of sending linkage control signals to each relevant controlled d…
• 第 4.1.3 条The characteristic parameters of each controlled equipment interface shall match the linkage control signals …
• 第 4.3.1 条Linkage control of the fire hydrant system: The actuation signal of the fire hydrant button shall serve as th…
• 第 4.4.1 条Linkage control of the gas fire extinguishing system: the alarm signal from two independent fire detectors in…
• 第 4.6.1 条Linkage control of the fire door system: the alarm signal from two independent fire detectors in the fire com…
• 第 4.8.1 条Linkage control of the fire emergency lighting and evacuation indication system: it shall be implemented by t…
• 第 4.9.1 条Elevator linkage control: The fire linkage controller shall have the function of issuing linkage control sign…
• 第 4.10.1 条The fire linkage controller shall have the function of cutting off non fire power supplies in the fire area a…

System power supply

• 第 3.2.1 条The automatic fire alarm system shall be provided with a main power supply and a standby power supply. The ma…
• 第 3.2.2 条The system power supply shall use a dedicated supply circuit and shall not be shared with other non fire load…
• 第 3.2.4 条Fire control rooms, fire pump rooms, smoke control and exhaust fan rooms, and other fire protection equipment…
• 第 3.2.5 条System grounding shall use a dedicated grounding main; the grounding resistance value shall not exceed 4Ω; wh…
• 第 3.2.7 条In hotel buildings, the power supply circuits for terminal devices such as fire detectors and manual alarm ca…
• 第 3.2.8 条The system power supply circuit should be provided with overload protection and short circuit protection, but…
• 第 10.1.1 条The automatic fire alarm system shall be provided with a main power supply and a DC standby power supply. The…
• 第 10.1.2 条The DC standby power supply for the automatic fire alarm system should preferably use the battery pack built …
• 第 10.1.3 条For fire protection electrical equipment in fire control rooms, fire pump rooms, and smoke control and exhaus…
• 第 10.1.4 条The main power supply of the automatic fire alarm system shall not be provided with residual current operated…
• 第 10.1.5 条The transfer time of the fire protection equipment emergency power supply (EPS) shall meet the requirements o…
• 第 10.1.6 条The power supply lines of the system shall use fire resistant cables or fire resistant conductors, and their …

Cabling

• 第 3.2.1 条Transmission lines of the automatic fire alarm system shall be protected by metal conduits, flexible (metal) …
• 第 3.2.2 条When fire control, communication and alarm circuits are concealed, they shall be run in metal conduits or fla…
• 第 3.2.4 条Cables of different voltage levels shall not be run through the same protective conduit; when sharing the sam…
• 第 3.2.5 条When the power supply lines and transmission lines of the automatic fire alarm system are installed outdoors,…
• 第 3.2.6 条When cables are laid in conduits or cable trays, their total cross sectional area shall not exceed 40% of the…
• 第 3.2.8 条In hotel buildings, the wiring of the automatic fire alarm system shall use fire resistant cables, and their …
• 第 11.1.1 条Transmission lines of the automatic fire alarm system and control lines powered at below 50V shall use copper…
• 第 11.1.2 条For the selection of conductor cross sections for transmission lines of automatic fire alarm systems, in addi…
• 第 11.1.3 条When routing wiring for the automatic fire alarm system, metal conduits, flexible (metal) electrical conduits…
• 第 11.1.4 条Cables of different voltage levels shall not be run through the same protective conduit; when sharing the sam…
• 第 11.1.5 条The power supply lines and fire linkage control lines of the automatic fire alarm system shall use fire resis…
• 第 11.1.6 条Automatic fire alarm system wiring shall not be installed in the same conduit or trunking as other wiring (su…
• 第 11.1.7 条Automatic fire alarm system wiring installed in ceilings shall be protected by metal conduits or metal cable …
• 第 11.1.8 条Junction boxes, terminal boxes, etc. for wiring of the automatic fire alarm system should be installed in loc…

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