1.0.1 This standard is formulated with a view to implementing the relevant national principles and policies in the design and construction of fuelling stations, unifying technical requirements and achieving the goal of safety and serviceability, technical advancement and economic rationality.
1.0.2 This standard is applicable to the design and construction of constructed, extended and renovated oil fuelling station, gas fuelling station, oil and gas combined fuelling station, oil and hydrogen combined fuelling station, gas and hydrogen combined fuelling station, and oil and gas and hydrogen combined fuelling station engineerings.
1.0.3 In addition to this standard, the design and construction of fuelling stations shall also comply with those stipulated in the current relevant standards of the nation.
2 Terms and abbreviations
2.1 Terms
2.1.1 fuelling station
location for filling motor vehicles with vehicle fuels, including gasoline, diesel oil, LPG, CNG, LNG, gaseous hydrogen and liquefied hydrogen, which is a generic term for oil fuelling station, gas fuelling station, oil and gas combined fuelling station, oil and hydrogen combined fuelling station, gas and hydrogen combined fuelling station, and oil and gas and hydrogen combined fuelling station
2.1.2 oil fuelling station
location equipped with oil storage facilities for filling motor vehicles with gasoline (including methanol gasoline, ethanol gasoline), diesel oil and other vehicle fuels by oil dispensers
2.1.3 gas fuelling station
location equipped with gas storage facilities for filling motor vehicles with vehicle fuel gases such as vehicle LPG, CNG and LNG by gas dispensers
2.1.4 LPG fuelling station
location for filling LPG storage cylinders with vehicle LPG and providing other services for convenience
2.1.5 CNG fuelling station
generic term for various CNG fuelling stations.
2.1.6 conventional CNG fuelling station
location where natural gas is taken from the natural gas pipeline outside the station, processed and pressurized into vehicle CNG, and then filled into the CNG storage cylinders for vehicles by gas dispensers
2.1.7 primary CNG fuelling station
location where natural gas is taken from the natural gas pipeline outside the station, processed and pressurized into CNG, and then filled into CNG tube trailers or tube bundle containers serving secondary CNG fuelling stations by dispensing poles
2.1.8 secondary CNG fuelling station
location where CNG is brought in by CNG tube trailer or tube bundle container, and is filled into the CNG storage cylinders for vehicles by gas dispensers
2.1.9 LNG fuelling station
location equipped with LNG storage facilities for filling LNG storage cylinders with vehicle LNG by LNG dispenser
2.1.10 L-CNG fuelling station
location where LNG can be transformed into CNG, and vehicle CNG can be filled into CNG storage cylinders
2.1.11 hydrogen fuelling facilities
generic term for hydrogen fuelling process equipment, pipelines and other systems, including high pressure gaseous hydrogen storage and fuelling facilities, liquefied hydrogen storage and fuelling facilities, and hydrogen fuel storage and transportation facilities
2.1.12 oil and gas combined fuelling station
location equipped with oil (gas) storage facilities for filling the motor vehicles with vehicle fuels and vehicle gases
2.1.13 oil and hydrogen combined fuelling station
location for filling both the fuel tanks of automobiles with gasoline or diesel oil, and the hydrogen storage cylinders of hydrogen powered vehicles with gaseous hydrogen or liquefied hydrogen
2.1.14 gas and hydrogen combined fuelling station
location for filling both the storage cylinders of natural gas vehicles with compressed natural gas or liquefied natural gas, and the hydrogen storage cylinders of hydrogen powered vehicles with gaseous hydrogen or liquefied hydrogen
2.1.15 oil and gas and hydrogen combined fuelling station
location for filling the oil tanks of automobiles with gasoline or diesel oil, the storage cylinders of natural gas vehicles with compressed natural gas or liquefied natural gas, and the hydrogen storage equipment of hydrogen vehicles with gaseous hydrogen or liquefied hydrogen
2.1.16 combined fuelling station
generic term for oil and hydrogen combined fuelling station, gas and hydrogen combined fuelling station, and oil and gas and hydrogen combined fuelling station
2.1.17 station house
buildings used for management, operation and provision of other services for convenience in fuelling stations
2.1.18 operation area
area where the process equipment is arranged in fuelling stations, the boundary line of which is the boundary line of equipment explosive hazardous area plus 3m, and is the outer edge of equipment plus 3m for diesel-fuelling equipment
2.1.19 auxiliary service area
area outside the operation area within the boundary line of the fuelling station
2.1.20 safe-break valve
special protective device installed on the hoses of oil dispensers, gas dispensers, hydrogen dispensers and dispensing (bleeding) poles, able to automatically break under the action of a certain external force into two sections which have a self-sealing function, to prevent the hoses from leaking due to breaking
2.1.21 piping components
components for connecting or assembling pipelines, including pipes, fittings, valves, flanges, gaskets, fasteners, joints, pressure-resistant hoses, filters and flame arresters
2.1.22 process equipment
generic term for liquid fuel unloading interface, oil tank, LPG tank, LNG tank, CNG storage cylinder, CNG (H2) storage well, gaseous hydrogen storage vessel, liquefied hydrogen storage tank, oil dispenser, gas (hydrogen) dispenser, gas (hydrogen) dispensing (bleeding) pole, breather pipe (vent pipe), CNG and hydrogen tube trailer, LPG pump, LNG pump, CNG compressor, LPG compressor, LNG gasifier, hydrogen compressor, liquefied hydrogen booster pump, liquefied hydrogen gasifier, etc. in fuelling stations
2.1.23 EV charging facilities
relevant electrical equipment providing charging service for electric vehicles, such as low-voltage switch cabinet, DC charging pile, AC charging pile and battery replacement device
2.1.24 unloading point
fixed location for unloading oil products, LPG, LNG and liquefied hydrogen from tankers
2.1.25 buried oil tank
horizontal oil storage tank which is buried underground by covering soil directly or filling sand in the tank pool, with the tank top lower than the surrounding ground within 4m
2.1.26 oil fuelling island
platform for installing the oil dispenser
2.1.27 gasoline-fuelling equipment
gasoline tank (including its breather pipe), gasoline dispenser and other fixed equipment set up for filling motor vehicles with gasoline
2.1.28 diesel-fuelling equipment
diesel oil tank (including its breather pipe), diesel oil dispenser and other fixed equipment set up for filling motor vehicles with diesel oil
2.1.29 vapor recovery system for gasoline unloading process
system for airtight recovery of the vapor generated when the tanker unloads gasoline into the gasoline tank to the tanker
2.1.30 vapor recovery system for fuelling process
system for airtight recovery of the vapor generated during fuelling of gasoline vehicles to the gasoline tank
2.1.31 portable oil device
ground fuelling device of which the fire-proof and explosion-proof oil tank, oil dispenser, automatic fire extinguisher and other equipment and their accessories are integrally assembled in a steel skid
2.1.32 self-service oil fuelling station (area)
oil fuelling station (area) equipped with appropriate safety protection facilities, where customers can complete the vehicle fuelling operation by themselves
2.1.33 buried LPG tank
horizontal LPG tank which is buried underground by covering soil directly or filling sand in the tank pool, with the tank top lower than the surrounding ground within 4m
2.1.34 gas fuelling island
platform for installing the gas (hydrogen) dispenser
2.1.35 CNG fuelling (unloading) facility
generic term for CNG dispenser, dispensing pole and bleeding pole
2.1.36 gas dispenser
special equipment for filling the storage cylinders of gas-fuelled vehicles with LPG, CNG or LNG, complete with metering and billing devices
2.1.37 CNG (H2) dispensing (bleeding) pole
special equipment for filling (discharging) CNG (H2) into (from) the storage cylinders of tube trailers or tube bundle containers, complete with metering device
2.1.38 CNG (H2) storage well
tubular facility buried vertically underground for storing CNG or H2, which is composed of bottom hole device, shaft, built-in drain pipe, wellhead device, etc.
2.1.39 CNG storage cylinder group
device for storing CNG by assembling several cylinder pressure vessels on a skid together with corresponding connecting pipes, valves and safety accessories
2.1.40 CNG fixed storage facility
generic term for aboveground or underground storage cylinders (groups) and storage wells installed in fixed positions
2.1.41 CNG storage facility
generic term for gas cylinders (groups), storage wells and on-board storage cylinder groups for storing CNG
2.1.42 total volume of CNG storage facility
sum of the geometric volume of CNG fixed storage facility and all on-board CNG storage cylinders (groups) in full load or operating state
2.1.43 underground LNG tank
LNG tank arranged in a tank pool, of which the top is lower than the surrounding ground within 4m and the elevation is not less than 0.2m
2.1.44 semi-underground LNG tank
LNG tank arranged in a tank pool, with more than half of the tank body installed below the surrounding ground within 4m
2.1.45 safety dike
structure for intercepting the flammable and combustible liquids spilled from LPG and LNG tanks in case of accidents
2.1.46 LNG portable equipments
an equipment assembly in which all or part of LNG equipment such as LNG tank, gas dispenser, vent pipe, pump and gasifier are assembled on a skid (i.e., rigid base frame, with a box)
1 General provisions 2 Terms and abbreviations 2.1 Terms 2.2 Abbreviations 3 Basic requirements 4 Site choice of station 5 Layout of station 6 Oil fuelling process and facilities 6.1 Oil tank 6.2 Oil dispenser 6.3 Pipeline system 6.4 Portable oil device 6.5 Anti-leakage measures 6.6 Self-service oil fuelling station (area) 7 LPG fuelling process and facilities 7.1 LPG tank 7.2 Pump and compressor 7.3 LPG dispenser 7.4 LPG pipeline system 7.5 Unloading point of tank car 8 CNG fuelling process and facilities 8.1 Process facilities of conventional CNG fuelling station and primary CNG fuelling station 8.2 Facilities of secondary CNG fuelling station 8.3 Protection measures for CNG process facilities 8.4 CNG pipelines and components 9 LNG and L-CNG fuelling process and facilities 9.1 LNG tank, pump and gasifier 9.2 LNG unloading process 9.3 LNG fuelling area 9.4 LPG pipeline system 10 High pressure hydrogen storage and fuelling process and facilities 10.1 General requirements 10.2 Hydrogen unloading facilities 10.3 Hydrogen pressure boost facility 10.4 Gaseous hydrogen storage facility 10.5 Hydrogen filling facility 10.6 Pipeline and components 10.7 Safety protection of process system 11 Liquefied hydrogen storage process and facilities 11.1 Liquefied hydrogen storage facilities 11.2 Liquefied hydrogen unloading and pressure boost facilities 11.3 Liquefied hydrogen pipeline and cryogenic gaseous hydrogen pipelines pipeline and their components 12 Fire protection system and water supply and drainage system 12.1 Fire extinguishers 12.2 Water supply for fire protection 12.3 Water supply and drainage system 13 Electric, alarm system and emergency cut-off system 13.1 Power supply and distribution 13.2 Lightning-proof and anti-static measures 13.3 Charging facilities 13.4 Alarm system 13.5 Emergency cut-off system 14 Heating, ventilation, buildings and virescence 14.1 Heating and ventilation 14.2 Buildings 14.3 Virescence 15 Construction 15.1 General requirements 15.2 Material and equipment inspection 15.3 Civil engineering construction 15.4 Installation of equipment 15.5 Oil, CNG and LNG pipelines 15.6 Gaseous hydrogen and liquefied hydrogen pipelines 15.7 Installation of electrical instruments 15.8 Anticorrosion and thermal insulation 15.9 Handover documents Annex A Starting and ending points for calculation of distance Annex B Protection classes of civil buildings Annex C Class and scope division of explosive hazardous areas in fuelling stations Annex D Technical requirements for high pressure gaseous hydrogen pipelines, low temperature stainless steel pipelines and their components Explanation of wording in this standard List of quoted standards
1 General provisions
1.0.1 This standard is formulated with a view to implementing the relevant national principles and policies in the design and construction of fuelling stations, unifying technical requirements and achieving the goal of safety and serviceability, technical advancement and economic rationality.
1.0.2 This standard is applicable to the design and construction of constructed, extended and renovated oil fuelling station, gas fuelling station, oil and gas combined fuelling station, oil and hydrogen combined fuelling station, gas and hydrogen combined fuelling station, and oil and gas and hydrogen combined fuelling station engineerings.
1.0.3 In addition to this standard, the design and construction of fuelling stations shall also comply with those stipulated in the current relevant standards of the nation.
2 Terms and abbreviations
2.1 Terms
2.1.1 fuelling station
location for filling motor vehicles with vehicle fuels, including gasoline, diesel oil, LPG, CNG, LNG, gaseous hydrogen and liquefied hydrogen, which is a generic term for oil fuelling station, gas fuelling station, oil and gas combined fuelling station, oil and hydrogen combined fuelling station, gas and hydrogen combined fuelling station, and oil and gas and hydrogen combined fuelling station
2.1.2 oil fuelling station
location equipped with oil storage facilities for filling motor vehicles with gasoline (including methanol gasoline, ethanol gasoline), diesel oil and other vehicle fuels by oil dispensers
2.1.3 gas fuelling station
location equipped with gas storage facilities for filling motor vehicles with vehicle fuel gases such as vehicle LPG, CNG and LNG by gas dispensers
2.1.4 LPG fuelling station
location for filling LPG storage cylinders with vehicle LPG and providing other services for convenience
2.1.5 CNG fuelling station
generic term for various CNG fuelling stations.
2.1.6 conventional CNG fuelling station
location where natural gas is taken from the natural gas pipeline outside the station, processed and pressurized into vehicle CNG, and then filled into the CNG storage cylinders for vehicles by gas dispensers
2.1.7 primary CNG fuelling station
location where natural gas is taken from the natural gas pipeline outside the station, processed and pressurized into CNG, and then filled into CNG tube trailers or tube bundle containers serving secondary CNG fuelling stations by dispensing poles
2.1.8 secondary CNG fuelling station
location where CNG is brought in by CNG tube trailer or tube bundle container, and is filled into the CNG storage cylinders for vehicles by gas dispensers
2.1.9 LNG fuelling station
location equipped with LNG storage facilities for filling LNG storage cylinders with vehicle LNG by LNG dispenser
2.1.10 L-CNG fuelling station
location where LNG can be transformed into CNG, and vehicle CNG can be filled into CNG storage cylinders
2.1.11 hydrogen fuelling facilities
generic term for hydrogen fuelling process equipment, pipelines and other systems, including high pressure gaseous hydrogen storage and fuelling facilities, liquefied hydrogen storage and fuelling facilities, and hydrogen fuel storage and transportation facilities
2.1.12 oil and gas combined fuelling station
location equipped with oil (gas) storage facilities for filling the motor vehicles with vehicle fuels and vehicle gases
2.1.13 oil and hydrogen combined fuelling station
location for filling both the fuel tanks of automobiles with gasoline or diesel oil, and the hydrogen storage cylinders of hydrogen powered vehicles with gaseous hydrogen or liquefied hydrogen
2.1.14 gas and hydrogen combined fuelling station
location for filling both the storage cylinders of natural gas vehicles with compressed natural gas or liquefied natural gas, and the hydrogen storage cylinders of hydrogen powered vehicles with gaseous hydrogen or liquefied hydrogen
2.1.15 oil and gas and hydrogen combined fuelling station
location for filling the oil tanks of automobiles with gasoline or diesel oil, the storage cylinders of natural gas vehicles with compressed natural gas or liquefied natural gas, and the hydrogen storage equipment of hydrogen vehicles with gaseous hydrogen or liquefied hydrogen
2.1.16 combined fuelling station
generic term for oil and hydrogen combined fuelling station, gas and hydrogen combined fuelling station, and oil and gas and hydrogen combined fuelling station
2.1.17 station house
buildings used for management, operation and provision of other services for convenience in fuelling stations
2.1.18 operation area
area where the process equipment is arranged in fuelling stations, the boundary line of which is the boundary line of equipment explosive hazardous area plus 3m, and is the outer edge of equipment plus 3m for diesel-fuelling equipment
2.1.19 auxiliary service area
area outside the operation area within the boundary line of the fuelling station
2.1.20 safe-break valve
special protective device installed on the hoses of oil dispensers, gas dispensers, hydrogen dispensers and dispensing (bleeding) poles, able to automatically break under the action of a certain external force into two sections which have a self-sealing function, to prevent the hoses from leaking due to breaking
2.1.21 piping components
components for connecting or assembling pipelines, including pipes, fittings, valves, flanges, gaskets, fasteners, joints, pressure-resistant hoses, filters and flame arresters
2.1.22 process equipment
generic term for liquid fuel unloading interface, oil tank, LPG tank, LNG tank, CNG storage cylinder, CNG (H2) storage well, gaseous hydrogen storage vessel, liquefied hydrogen storage tank, oil dispenser, gas (hydrogen) dispenser, gas (hydrogen) dispensing (bleeding) pole, breather pipe (vent pipe), CNG and hydrogen tube trailer, LPG pump, LNG pump, CNG compressor, LPG compressor, LNG gasifier, hydrogen compressor, liquefied hydrogen booster pump, liquefied hydrogen gasifier, etc. in fuelling stations
2.1.23 EV charging facilities
relevant electrical equipment providing charging service for electric vehicles, such as low-voltage switch cabinet, DC charging pile, AC charging pile and battery replacement device
2.1.24 unloading point
fixed location for unloading oil products, LPG, LNG and liquefied hydrogen from tankers
2.1.25 buried oil tank
horizontal oil storage tank which is buried underground by covering soil directly or filling sand in the tank pool, with the tank top lower than the surrounding ground within 4m
2.1.26 oil fuelling island
platform for installing the oil dispenser
2.1.27 gasoline-fuelling equipment
gasoline tank (including its breather pipe), gasoline dispenser and other fixed equipment set up for filling motor vehicles with gasoline
2.1.28 diesel-fuelling equipment
diesel oil tank (including its breather pipe), diesel oil dispenser and other fixed equipment set up for filling motor vehicles with diesel oil
2.1.29 vapor recovery system for gasoline unloading process
system for airtight recovery of the vapor generated when the tanker unloads gasoline into the gasoline tank to the tanker
2.1.30 vapor recovery system for fuelling process
system for airtight recovery of the vapor generated during fuelling of gasoline vehicles to the gasoline tank
2.1.31 portable oil device
ground fuelling device of which the fire-proof and explosion-proof oil tank, oil dispenser, automatic fire extinguisher and other equipment and their accessories are integrally assembled in a steel skid
2.1.32 self-service oil fuelling station (area)
oil fuelling station (area) equipped with appropriate safety protection facilities, where customers can complete the vehicle fuelling operation by themselves
2.1.33 buried LPG tank
horizontal LPG tank which is buried underground by covering soil directly or filling sand in the tank pool, with the tank top lower than the surrounding ground within 4m
2.1.34 gas fuelling island
platform for installing the gas (hydrogen) dispenser
2.1.35 CNG fuelling (unloading) facility
generic term for CNG dispenser, dispensing pole and bleeding pole
2.1.36 gas dispenser
special equipment for filling the storage cylinders of gas-fuelled vehicles with LPG, CNG or LNG, complete with metering and billing devices
2.1.37 CNG (H2) dispensing (bleeding) pole
special equipment for filling (discharging) CNG (H2) into (from) the storage cylinders of tube trailers or tube bundle containers, complete with metering device
2.1.38 CNG (H2) storage well
tubular facility buried vertically underground for storing CNG or H2, which is composed of bottom hole device, shaft, built-in drain pipe, wellhead device, etc.
2.1.39 CNG storage cylinder group
device for storing CNG by assembling several cylinder pressure vessels on a skid together with corresponding connecting pipes, valves and safety accessories
2.1.40 CNG fixed storage facility
generic term for aboveground or underground storage cylinders (groups) and storage wells installed in fixed positions
2.1.41 CNG storage facility
generic term for gas cylinders (groups), storage wells and on-board storage cylinder groups for storing CNG
2.1.42 total volume of CNG storage facility
sum of the geometric volume of CNG fixed storage facility and all on-board CNG storage cylinders (groups) in full load or operating state
2.1.43 underground LNG tank
LNG tank arranged in a tank pool, of which the top is lower than the surrounding ground within 4m and the elevation is not less than 0.2m
2.1.44 semi-underground LNG tank
LNG tank arranged in a tank pool, with more than half of the tank body installed below the surrounding ground within 4m
2.1.45 safety dike
structure for intercepting the flammable and combustible liquids spilled from LPG and LNG tanks in case of accidents
2.1.46 LNG portable equipments
an equipment assembly in which all or part of LNG equipment such as LNG tank, gas dispenser, vent pipe, pump and gasifier are assembled on a skid (i.e., rigid base frame, with a box)
Contents of GB 50156-2021
1 General provisions
2 Terms and abbreviations
2.1 Terms
2.2 Abbreviations
3 Basic requirements
4 Site choice of station
5 Layout of station
6 Oil fuelling process and facilities
6.1 Oil tank
6.2 Oil dispenser
6.3 Pipeline system
6.4 Portable oil device
6.5 Anti-leakage measures
6.6 Self-service oil fuelling station (area)
7 LPG fuelling process and facilities
7.1 LPG tank
7.2 Pump and compressor
7.3 LPG dispenser
7.4 LPG pipeline system
7.5 Unloading point of tank car
8 CNG fuelling process and facilities
8.1 Process facilities of conventional CNG fuelling station and primary CNG fuelling station
8.2 Facilities of secondary CNG fuelling station
8.3 Protection measures for CNG process facilities
8.4 CNG pipelines and components
9 LNG and L-CNG fuelling process and facilities
9.1 LNG tank, pump and gasifier
9.2 LNG unloading process
9.3 LNG fuelling area
9.4 LPG pipeline system
10 High pressure hydrogen storage and fuelling process and facilities
10.1 General requirements
10.2 Hydrogen unloading facilities
10.3 Hydrogen pressure boost facility
10.4 Gaseous hydrogen storage facility
10.5 Hydrogen filling facility
10.6 Pipeline and components
10.7 Safety protection of process system
11 Liquefied hydrogen storage process and facilities
11.1 Liquefied hydrogen storage facilities
11.2 Liquefied hydrogen unloading and pressure boost facilities
11.3 Liquefied hydrogen pipeline and cryogenic gaseous hydrogen pipelines pipeline and their components
12 Fire protection system and water supply and drainage system
12.1 Fire extinguishers
12.2 Water supply for fire protection
12.3 Water supply and drainage system
13 Electric, alarm system and emergency cut-off system
13.1 Power supply and distribution
13.2 Lightning-proof and anti-static measures
13.3 Charging facilities
13.4 Alarm system
13.5 Emergency cut-off system
14 Heating, ventilation, buildings and virescence
14.1 Heating and ventilation
14.2 Buildings
14.3 Virescence
15 Construction
15.1 General requirements
15.2 Material and equipment inspection
15.3 Civil engineering construction
15.4 Installation of equipment
15.5 Oil, CNG and LNG pipelines
15.6 Gaseous hydrogen and liquefied hydrogen pipelines
15.7 Installation of electrical instruments
15.8 Anticorrosion and thermal insulation
15.9 Handover documents
Annex A Starting and ending points for calculation of distance
Annex B Protection classes of civil buildings
Annex C Class and scope division of explosive hazardous areas in fuelling stations
Annex D Technical requirements for high pressure gaseous hydrogen pipelines, low temperature stainless steel pipelines and their components
Explanation of wording in this standard
List of quoted standards
