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TB 10063-2016

TB 10063-2016_English: PDF (TB10063-2016)
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TB 10063-2016English1405 Add to Cart 0--10 minutes. Auto-delivered. [Including 2019XG1] Code for Design of Fire Prevention for Railway Engineering TB 10063-2016 Valid TB 10063-2016
 

BASIC DATA
Standard ID TB 10063-2016 (TB10063-2016)
Description (Translated English) [Including 2019XG1] Code for Design of Fire Prevention for Railway Engineering
Sector / Industry Railway & Train Industry Standard
Classification of Chinese Standard P65
Word Count Estimation 80,816
Date of Issue 2016-11-30
Date of Implementation 2017-03-01
Older Standard (superseded by this standard) TB 10063-2007
Regulation (derived from) State-Railway-Technology-Regulation (2016) No.48
Summary This standard applies to the new, alteration of railway engineering fire protection design.

TB 10063-2016
TB
INDUSTRY STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
UDC
P TB 10063-2016
J 2180-2016
Code for design of fire prevention for railway
engineering
ISSUED ON: NOVEMBER 30, 2016
IMPLEMENTED ON: MARCH 01, 2017
Issued by: National Railway Administration
Table of Contents
Foreword ... 9 
1 General ... 12 
2 Fire hazard classification and fire resistance rating ... 12 
3 Fire separation distance ... 13 
3.1 Line ... 13 
3.2 Locomotive and vehicle facilities ... 17 
3.3 Substations ... 18 
4 Combustible liquid and combustible gas pipelines crossing the railway ... 20 
4.1 Pipeline crossing the line ... 20 
4.2 Pipeline crossing bridge ... 22 
4.3 Pipeline crossing the station yard ... 23 
5 Firefighting lane ... 23 
6 Building fire prevention zone and building construction ... 25 
6.1 Passenger station... 25 
6.2 Electrical equipment room ... 27 
6.3 Workshop (warehouse) ... 28 
6.4 Others ... 30 
7 Firefighting water supply and firefighting facilities ... 31 
7.1 Outdoor water supply for firefighting ... 31 
7.2 Indoor water supply for firefighting ... 35 
7.3 Firefighting facilities ... 35 
8 Ventilation, air conditioning and smoke prevention and exhaust ... 38 
9 Electricity... 39 
9.1 Automatic fire alarm... 39 
9.2 Firefighting power distribution and wires and cables ... 41 
10 Railway tunnel ... 43 
10.1 Tunnels and tunnel groups ... 43 
10.2 Tunnel lighting ... 44 
11 Underground station ... 44 
Appendix A Fire hazard classification of main production houses ... 48 
Appendix B Division of explosive hazardous environment grades in main
production area ... 49 
Appendix C Start point for calculating fire separation distance ... 50 
Appendix D Hazard level classification of main production areas equipped with
fire extinguishers ... 51 
Explanation of wording in this code ... 52 
Code for design of fire prevention for railway
engineering
1 General
1.0.1 In order to ensure the production of railway transportation and the safety
of people's lives and property, implement the fire protection policy of “prevention
first, combined fire protection and prevention" in railway engineering design,
prevent and reduce fire hazards, this code is hereby formulated.
1.0.2 This code is applicable to the fire protection design of newly constructed
and rebuilt railway projects.
1.0.3 The fire protection design of railway engineering must follow the relevant
national laws, regulations and policies; correctly handle the relationship
between production and safety, key points and ordinary points; actively adopt
effective and advanced fire protection technologies, to be safe, reliable,
advanced, mature, economical.
1.0.4 In addition to this code, the fire protection design of railway engineering
shall also comply with the current relevant national standards.
2 Fire hazard classification and fire resistance rating
2.0.1 The fire hazard classification of the main production houses such as the
locomotive depot, car depot, EMU depot (station), power supply depot,
comprehensive maintenance base (depot), large-scale road maintenance
machinery depot, luggage express transportation base, transfer warehouse,
tank truck wheel change line (depot) of port station, etc., as well as the grading
and zoning of explosion and fire hazard environment of the main production
sites shall comply with the provisions of Appendix A and Appendix B of this code.
2.0.2 The fire resistance rating of station buildings and underpasses,
overpasses, platform rain sheds at passenger stations, railway logistics center
warehouses, passenger car technical servicing depot and repair garages, EMU
servicing garage (inspection garage), mechanical insulation trucks and ice-filled
insulation vehicle maintenance warehouses shall not be lower than the level 2.
The fire resistance rating of other types of production and living buildings shall
not be lower than level 2.
2.0.3 When the steel structure is used in the spray paint warehouse, paint
railway lines can be exempted from the restriction of clause 3.1.1, 3.1.2, 3.1.3
of this code, but the fire separation distance between the barreled category B
diesel warehouse, the category B and C liquid storage tanks and the railway
line shall comply with the relevant provisions of the national standards.
3.1.5 The buildings and structures installed under or adjacent to the railway
viaduct shall adopt non-combustible walls with a fire resistance rating of not
less than 2.00 h, non-combustible roof panels with a fire resistance rating of not
less than 1.50 h, as well as category C fireproof doors and windows.
3.1.6 No greasy plants shall be planted in the railway land boundary.
3.1.7 When the railway passes through the forest area, the width of the fire
isolation belt from the center line of the railway line closest to the forest to the
edge of the vertical projection of the forest shall not be less than 30 m.
3.1.8 When the railway passes through the fire prevention zone of key
grassland, it shall set a fire isolation belt of not less than 20 m from the railway
land boundary to the edge of grassland.
3.1.9 When the pipelines for transporting category A, B, C liquids and
combustible gas pipelines are buried parallel to the railway, the distance from
the crude oil and finished oil pipeline to the railway line shall be not less than
25 m; the liquefied petroleum gas pipeline shall be no less than 50 m away from
the railway line, the distance from the railway land boundary shall be greater
than 3.0 m, meanwhile it shall comply with the provisions on railway safety
protection zone in the "Railway safety management regulations".
The fire separation distance between the category B and category C liquid and
low-pressure combustible gas pipelines directly serving railway transportation
and the adjacent railway line shall not be less than 5.0 m. The fire separation
distance between the pipeline of medium-pressure and sub-high pressure
inflammable gas and the slope foot of the adjacent railway embankment shall
not be less than 5.0 m; however, it can be appropriately reduced after effective
safety protection measures are taken under difficult conditions.
3.1.10 The fire separation distance between buried pipelines for transporting
category A, B, C liquids and combustible gas pipelines and railway houses shall
comply with the provisions of relevant national standards "Design code for gas
transmission pipeline engineering" GB 50251, "Code for design of oil
transportation pipeline engineering" GB 50253, "Code for design of city gas
engineering" GB 50028.
3.2 Locomotive and vehicle facilities
3.2.1 The tank washing line shall be of flat slope end type; the safety distance
4 Combustible liquid and combustible gas pipelines
crossing the railway
4.1 Pipeline crossing the line
4.1.1 The pipeline shall not cross intercity railways, railways with a design
speed of 200 km/h and above, railways for EMU. The pipeline should not cross
over other railways. However, if the crossing is necessary, it shall take safe and
reliable protective measures and meet the following requirements:
1 The distance from the bottom surface of the pipeline crossing structure to
the top surface of the railway track shall not be less than 12.5 m; the
distance from the live part of contact network shall not be less than 4.0 m;
the fire resistance rating of the supporting structure shall be level 1.
2 The wall thickness of the crossing segment of the pipeline shall comply
with the requirements of "Code for design of oil and gas transportation
pipeline aerial crossing engineering" GB 50459.
3 The span shall not be less than the land boundary of the railway. Pipe parts
such as flanges and valves shall not be installed in the range of span.
4.1.2 The position where the pipeline crosses the railway shall meet the
following requirements:
1 The pipeline should be selected to cross through existing facilities such as
railway bridges, reserved pipeline culverts, etc.
2 The pipeline shall not cross the subgrade segment of the ballast-less track
of the existing railway. The crossing under special conditions shall be
specially designed and shall comply with the limit criteria for the settlement
of the subgrade.
3 The pipeline should not be crossed at the base segment of the ballasted
track road where the design speed is 200 km/h and above and the track
of the EMU, various transition segments, the segments where the railway
bridge crosses the main river course of the river.
4.1.3 The crossing angle between the category A, B, C liquid and combustible
gas pipelines and the railway shall meet the following requirements:
1 The crossing of pipelines and railways should adopt vertical crossing or
large-angle oblique crossing; the crossing angle should not be less than
30°.
shall be provided on both sides of the marshalling yard. The fire lanes of the
marshalling yard shall be connected to each other. Fire lanes shall be provided
on the side of the departure yard of marshalling yard of regional and above
marshalling stations. The fire lane should be set close to the parking lot; the
distance from adjacent lines should not be greater than 25 m.
The fire lane of the marshalling yard can be exempted from providing a
turnaround yard.
5.0.3 For the cargo yard with flammable and explosive dangerous goods, the
combustible material stock yard and a liquefied petroleum gas tank area with
an area of more than 30000 m2, the category A, B, C liquid storage tank area,
between the circular fire lanes in the combustible gas storage tank area, it shall
set up an intermediate fire lane connected to the circular fire lane. The distance
between the fire lanes shall not be greater than 150 m; meanwhile it shall
comply with the relevant provisions of the "Code of design on building fire
protection and prevention" GB 50016.
The distance from the edge of the fire lane to the edge of the combustible
material stacking yard shall not be less than 5 m.
5.0.4 For large and extra-large passenger stations, when the station building is
line-side flat type, the basic platform shall be used as the fire lane.
5.0.5 The net width and headroom height of the fire lane shall not be less than
4.0 m.
5.0.6 The servicing line for passenger cars and mechanical insulation vehicles
as well as the parking lines for passenger cars, EMUs, large-scale road
maintenance machinery shall be provided with a fire lane parallel to the line,
which shall comply with the following requirements:
1 When the distance between the outermost two lines of the servicing line
and the parking line area is less than or equal to 80 m, it shall provide a
fire lane and there shall be a turnaround area.
2 When the distance between the outermost two lines is greater than 80 m
and less than or equal to 160 m, two fire lanes shall be provided.
3 When the distance between the outermost lines is greater than 160 m,
three fire lanes shall be provided.
4 When there are two or more fire lanes, the fire lanes shall be connected to
each other.
5 The hardened ground between lines can also be used as a fire lane; its net
width shall not be less than 4 m.
6.1.4 It is strictly forbidden to set up entertainment, performing arts and other
places in the public area of the passenger station building. Catering and
commodity retail outlets set up to serve passengers shall meet the following
requirements:
1 The fire resistance rating of the roof slab shall not be less than 1.50 h; the
fire resistance rating of the partition wall shall not be less than 2.00 h. A
solid wall or category A fireproof glass with a width of not less than 2.0 m
shall be installed between the aisles on both sides of the partition wall.
2 The area of fixed catering and retail outlets shall not be greater than 100
m2; the total building area shall not be greater than 500 m2 when set up
continuously.
3 No open flame shall be used during operation.
4 The fixed catering and retail outlets of medium-sized and above stations
shall be equipped with automatic fire alarm systems and automatic
sprinkler systems. When they are continuously installed and the building
area is greater than 100 m2, a mechanical smoke exhaust system shall
also be installed.
5 When the building area of the commodity retail point is not more than 20
m2, meanwhile the distance from other functional houses or catering or
commodity retail points is not less than 8.0 m, fire separation measures
can be exempted.
6.1.5 The public area of the station building and the centralized office area and
equipment area of medium-sized and above railway passenger stations shall
be divided into independent fire compartments. When the luggage (parcel)
warehouse is co-built with the passenger station, the luggage (parcel)
warehouse shall be divided into independent fire compartments; meanwhile the
public area of the station building shall not be combined with the luggage (parcel)
warehouse.
6.1.6 When the inbound staircase leading to the platform of the elevated waiting
hall (room) is used as a fire evacuation staircase, the buffer distance from the
evacuation door to the stair step should not be less than 4.0 m.
6.1.7 The net width of evacuation openings, walkways and stairs of railway
passenger stations shall comply with the relevant provisions of the "Code of
design on building fire protection and prevention" GB 50016; meanwhile the net
width of all staircase sections in the station building for passenger evacuation
shall not be less than 1.6 m.
6.1.8 When the waiting hall (room) is located on the top floor of the passenger
station building, meanwhile the height difference between the indoor floor and
limit monitoring system.
6.2.2 Traction substation, substation, autotransformer station, main control
room of switching station, power distribution device room, compensation device
room, transformer room, control room of 10 kV and above transformer and
power distribution station shall use the partition wall with a fire resistance rating
of not less than 2.00 h and a floor slab with a fire resistance rating of not less
than 1.50 h to separate from other parts.
When traction substations, substations, autotransformer stations, main control
rooms of switching stations, power distribution equipment rooms, compensation
equipment rooms, transformer rooms, control rooms of 10 kV and above
substations and power distribution stations are co-built with the passenger
station rooms or other civil buildings, their internal door & windows shall be
category A fireproof doors & windows. When independently installed, the fire
protection requirements for internal door & windows shall comply with the
relevant provisions of "Code for design of fire protection for fossil fuel power
plants and substations" GB 50229, "Code for design of 20kV & under electric
substation" GB 50053, "Code for design of 35kV ~ 110kV substation" GB 50059.
6.2.3 The cable well of communication room, signal machinery room,
information equipment room, dispatching center (station), vehicle safety
precaution and early warning system room and power substation and
distribution station, traction substation, substation, autotransformer station,
switching station shall adopt an enclosure structure with a fire resistance rating
of not less than 1.00 h; the inspection door shall adopt a category B fireproof
door. The fire protection requirements of cable wells and inspection doors on
shaft walls in other buildings shall comply with the relevant provisions of the
"Code of design on building fire protection and prevention" GB 50016.
6.3 Workshop (warehouse)
6.3.1 The painting depot and paint warehouse of the locomotive depot, vehicle
depot, EMU depot (station), comprehensive maintenance base (depot), large-
scale maintenance machinery depot shall be set up separately. When installed
at the end of the joint workshop, it must be separated by a fire shutter with a
fire resistance rating of not less than 3.00 h; meanwhile it shall meet the
following requirements:
1 The paint storage room, paint shop, drying room and other auxiliary
buildings in the warehouse shall adopt firewalls with fire resistance rating
of not less than 3.00 h and category A fire doors.
2 Use lightweight roofing or have enough doors and windows, to ensure the
pressure relief area; the ground shall be made of building materials that
protection requirements, fire hydrants shall be installed at both ends of the
basic platform for medium-sized and below passenger stations, other
intermediate stations, overpass stations, give-way stations.
3 Fire hydrants shall be installed on the basic platforms for passenger and
freight shared line, high-speed railways, large passenger stations of
intercity railways; the distance between them shall not be greater than 100
m. A fire hydrant shall be installed at each end of other platforms. For
passenger stations of high-speed railways and intercity railway without
basic platforms, it shall select one platform and set the fire hydrant
according to the criteria of the basic platform.
4 Fire hydrants shall be installed at each platform of ultra-large passenger
stations; the distance between fire hydrants shall not be greater than 100
m.
5 The marshalling yard of depot stations and marshalling station, the
departure yards of regional and above marshalling stations shall be
equipped with fire hydrants along the fire lane.
6 For passenger car servicing lines, EMU parking yards (lines), passenger
car parking lines, spare passenger car parking lines (yards), mechanical
insulation vehicle servicing lines, large-scale road maintenance
machinery parking lines, fire hydrants shall be provided between lines at
the interval of every two lines; the distance between them shall not be
greater than 50 m.
7 Fire hydrants shall be installed along the fire lanes aside the fuel unloading
line, the oil tanker wheel change line (depot) of port station, the tank
washing line.
8 Two fire hydrants shall be installed at the entrances on both sides of the
passenger and freight shared railway tunnel with a length of 5.0 km and
above. The distance between the fire hydrants and the entrance should
not be less than 50 m.
9 The distance between fire hydrants in emergency rescue stations of railway
tunnels shall not be greater than 50 m.
7.1.11 The outdoor firefighting water consumption of the oil unloading line shall
comply with the relevant provisions of the "Code for design of foam
extinguishing systems" GB 50151.
The cooling water consumption shall be calculated and determined in
accordance with the maximum water demand for one fire extinguishing at the
loading and unloading platform and the requirements of "Code of design on fire
protection water supply and hydrant systems" GB 50974.
or smoke fire extinguishing systems may be used.
5 Two sets of mobile high-pressure water mist fire extinguishing devices shall
be equipped in the EMU inspection warehouse.
7.3.2 When fire hydrants are arranged in depots for centralized overhauling and
parking of passenger cars such as the EMU depot (station), passenger car
technical servicing depot (passenger car technical station), passenger car
repairing depot, the scope of protection shall not span two railway lines.
7.3.3 The following spaces with electronic equipment shall be equipped with
gas fire extinguishing devices:
1 Each communication machine rooms of railway communication hubs.
2 Communication machine rooms for passenger & freight shared railway
depot and above stations, medium-sized and above passenger car station,
high-speed railways, intercity railway stations.
3 Signal machinery rooms (including signal equipment room, relay room,
power supply room, lightning protection branch room) and inter-zoning
relay station of the depot and above station of passenger & freight shared
railway, medium-sized and above passenger stations, high-speed
railways, intercity railway passenger stations.
4 The equipment room of the dispatching center (station).
5 Information machine rooms of railway operation and management
departments at all levels, information machine rooms of depot and above
station of passenger & freight shared railway, medium-sized and above
passenger stations, high-speed railways, intercity railway passenger
stations.
6 Center-level machine room of monitoring system for natural disaster and
foreign matter intrusion limit for the railway with a design speed of 200
km/h and above.
7 Main control room of traction substation, control room of 10 kV ~ 35 kV
area or central substation and power distribution room, control room of 66
kV and above substation and power distribution room.
7.3.4 The following locations shall be equipped with automatic sprinkler
systems, which shall comply with the relevant provisions of "Code of design for
sprinkler systems" GB 50084:
1 The inspection warehouse and maintenance warehouse of EMU depot
(station).
large-scale road maintenance machinery repair and parking garage,
maintenance garage of comprehensive maintenance base (depot).
2 Luggage and parcel express transportation bases and station cargo
warehouses and parcel warehouses with a single-story building area
greater than 1000 m2.
3 Passenger station's waiting halls (rooms), distribution halls, ticket halls,
atriums with a building area greater than 100 m2.
4 Category C workshop (warehouses) such as the repair garages and
servicing garages of passenger cars (EMU) and mechanical (ice-adding)
insulation cars with a building area greater than 300 m2, rail garages,
internal combustion forklift garages, power supply depot, oil-immersed
transformer rooms in power depot, etc.
5 Fixed establishment of catering and commodity retail outlets which are set
continuously with a total area greater than 100 m2.
6 The smoke prevention and exhaust design of the underground station shall
comply with the requirements of "Code for design of metro" GB 50157.
9 Electricity
9.1 Automatic fire alarm
9.1.1 The following places shall be equipped with automatic fire alarm systems:
1 Places equipped with automatic gas fire extinguishing system and
automatic sprinkler system (excluding tunnel equipment caverns).
2 Logistic center warehouse, luggage express transportation base, station
cargo warehouse and luggage and parcel warehouse with building area
larger than 1000 m2.
3 Main equipment rooms for traction substations, substations,
autotransformer station, switching stations, including communication
machinery room, power distribution device room, combustible medium
compensation device room, control room, oil-immersed transformer room,
cable interlayer and cable shaft.
4 A centralized parking place for passenger cars at the EMU depot (station),
passenger car technical servicing depot (passenger technical station),
passenger car repairing station.
5 Super-large and large passenger stations, comprehensive computer
4 For stations with automatic fire alarm systems and fire control rooms, when
the normal lighting fails, the evacuation lighting and safety lighting shall
have the function of automatically turning on and the function of
centralized and forcibly turning on by the automatic fire alarm system of
the fire control room.
5 If there are multiple buildings in the locomotive depot, vehicle depot, EMU
depot (station), comprehensive maintenance base (depot) that are
equipped with automatic fire alarm and linkage control systems, a fire
control room shall be installed in one of the buildings.
6 The maintenance warehouse and servicing warehouse equipped with fire
water monitors and automatic water jet fire extinguishing systems shall
adopt load switches for their catenary switches and be linked with the fire
extinguishing system.
7 The automatic fire alarm system shall be linked with fire water monitors
and automatic fire extinguishing systems.
9.2 Firefighting power distribution and wires and cables
9.2.1 The electrical load classification of firefighting electrical equipment shall
meet the following requirements:
1 The electrical load classification of firefighting electrical equipment shall
comply with the relevant provisions of "Code for design of electric power
supply systems" GB 50052 and "Code of design on building fire protection
and prevention" GB 50016.
2 The firefighting power supply to the extra-large and large passenger
stations, underground stations, dispatching stations, communication
stations, tunnels with a length of 5 km or more or with emergency exit shall
be the level 1 load.
3 The firefighting power supply for the medium and small passenger station
buildings, signal buildings, EMU inspection warehouses, railway
warehouses such as maintenance warehouses shall be level 2 load.
9.2.2 The continuous power supply duration of the standby power supply for
emergency lighting and light evacuation indicator in the building shall meet the
requirements of the "Code of design on building fire protection and prevention"
GB 50016.
9.2.3 When power cables of different power sources or strong and weak current
cables are laid in the same trench or in the same well, the power cables of
different power sources or strong and weak current cables shall be arranged on
10 Railway tunnel
10.1 Tunnels and tunnel groups
10.1.1 The emergency exits, refuges, emergency rescue stations and other
disaster prevention and rescue evacuation facilities set in the tunnel shall
comply with the requirements of "Code for design on rescue engineering for
disaster prevention and evacuation of railway tunnel" TB 10020.
10.1.2 The evacuation openings and ventilation, power, communication, signal,
and traction power supply equipment caves in tunnels with a length of 5 km and
above shall be equipped with protective doors and partition walls with a fire
resistance rating of not less than 3.00 h. All protective doors used for evacuation
shall be opened in the evacuation direction; no threshold shall be set. The
protective door of the equipment chamber is strictly prohibited from intruding
into the building boundary. The protective door shall have obvious opening
direction signs. The anti-blast load of the protective door of the passenger-cargo
shared railway tunnel shall not be less than 0.10 MPa; the anti-blast load of the
protective door of the high-speed railway and intercity railway tunnel shall not
be less than 0.05 MPa.
10.1.3 The inspection and ventilation during the operation of the gas tunnel shall
comply with the relevant provisions of "Code for design of railway tunnel" TB
10003.
10.1.4 The tunnel control room (duty room) shall be equipped with a forced start
device for the tunnel emergency power supply; it shall be able to display the
failure state of the tunnel emergency power supply.
10.1.5 Passenger-cargo shared railway tunnels with a length of 5.0 km and
above shall be equipped with 10 sets of fire protection equipment, 8 fire hoses
with a diameter of 65 mm and a length of 25 m, 4 water guns with a nozzle
diameter of 19 mm near the opening.
10.1.6 The power, electrical traction, communication, signal equipment caverns
in tunnels of 5.0 km and above shall be equipped with automatic fire
extinguishing devices, as well as three ABC dry powder fire extinguishers of 4.0
kg.
10.1.7 When setting up a fire hydrant system or water mist fire extinguishing
system at the emergency rescue station of a newly built high-speed railway,
intercity railway, passenger-cargo shared railway tunnel, the following
requirements shall be met:
1 When using a fire hydrant system, the water consumption shall be
11.0.3 The installation of safety exits in underground stations shall meet the
following requirements:
1 The number of safety exits in each distribution hall of the station shall be
determined by calculation; there shall be no less than 2 safety exits
directly leading to the ground.
2 For underground single-floored side-type platform stations, the number of
safety exits on each side platform shall be determined by calculation, there
shall not be less than 2 safety exits that directly lead to the ground.
3 The number of safety exits in the area of equipment and management
rooms shall not be less than 2, among which one safety exit shall lead
directly to the ground in the manned fire compartment.
4 The safety exits in the public area shall be arranged separately. When they
are arranged in the same direction, the net distance between the two
safety exits shall not be less than 10 m.
5 Shafts, ladders, elevators, special firefighting passages, rail-crossing
tunnels set up between two sided platforms shall not be used as safety
exits.
6 The transfer channel in the underground station without direct access to
the outdoor safety exit shall not be used as a safety exit.
11.0.4 A fire wall with a fire resistance rating of not less than 3.00 h and a level
A fire door shall be used between the two fire compartments. When the firewall
is equipped with an observation window, the level A fire protection window shall
be adopted. The floor slab of the fire compartment shall use floor slabs with fire
resistance rating not less than 1.50 h.
11.0.5 The decoration of underground stations shall meet the following
requirements in addition to the "Code for fire prevention in design of interior
decoration of buildings" GB 50222:
1 The ceiling, wall and floor decoration of the public area of the underground
station and the equipment and management room shall be made of non-
combustible materials with a combustion performance of level A.
2 The fixed service facilities such as advertising light boxes, guide signs, rest
chairs, telephone booths, ticket vending machi...