ISO 16924:2016 Natural gas fuelling stations - LNG stations for fuelling vehicles, 2016
- Foreword
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Abbreviated terms
- 5 Risk management
- 5.1 Risk assessment
- 5.1.1 General
- 5.1.2 Protection against overpressure
- 5.1.3 Static electricity
- 5.2 Fire protection
- 5.2.1 Hazardous area classification
- 5.2.2 Sources of ignition
- 5.2.3 Fire fighting
- 5.3 Explosion protection measures
- 6 General design requirements
- 6.1 General
- 6.1.1 Design philosophy
- 6.1.2 Buildings and civil works
- 6.1.3 Installation and construction
- 6.2 Site layout
- 6.2.1 Separation distances
- 6.2.2 Traffic management
- 6.2.3 Security
- 6.2.4 Requirements for location of equipment
- 6.3 Environmental considerations
- 6.3.1 Noise attenuation
- 6.3.2 Prevention of venting of natural gas
- 7 Fuel supply to the fuelling station
- 7.1 Application
- 7.2 Equipment compatibility
- 7.3 Filling connector
- 7.4 Requirements for filling
- 7.4.1 General requirements
- 7.4.2 Prevention of overpressurization and overfilling
- 7.5 Prevention of back flow
- 7.6 Bleed connections
- 7.7 Draining of liquid from the LNG storage tank
- 7.8 LNG tanker
- 7.8.1 Immobility
- 7.8.2 Anti-drive-away equipment
- 7.8.3 Turning off the engine
- 7.8.4 Equalizing the potentials
- 8 Storage
- 8.1 LNG storage
- 8.1.1 Design and construction
- 8.1.2 Safety requirements
- 8.1.3 Installation guidance
- 8.2 CNG buffer storage
- 9 Pumps and compressors
- 9.1 Connection of LNG pumps to the LNG storage tank
- 9.1.1 General
- 9.1.2 NPSH requirements
- 9.1.3 Vapour return
- 9.1.4 Protection against weather
- 9.1.5 Accessibility
- 9.2 LNG centrifugal pump (including ancillaries)
- 9.2.1 General provisions
- 9.2.2 Liquid inlet to the centrifugal pump
- 9.2.3 Centrifugal pump design
- 9.2.4 Vibration
- 9.2.5 Detection of shaft seal leak
- 9.2.6 Detection of cavitation
- 9.3 LNG reciprocating pump for LCNG fuelling stations (including ancillaries)
- 9.3.1 General provisions
- 9.3.2 Liquid supplied to the reciprocating pump
- 9.3.3 Design
- 9.3.4 Vibration
- 9.3.5 Pulsation
- 9.4 Commonalities for LNG centrifugal and reciprocating pumps
- 9.4.1 Suction line
- 9.4.2 Instrumentation
- 9.4.3 Markings of a pump
- 9.4.4 Instructions
- 9.5 Natural gas compressor
- 10 Dispensers
- 10.1 LNG dispensers
- 10.1.1 General requirements
- 10.1.2 Breakaway system
- 10.1.3 Fuelling hoses
- 10.1.4 Fuelling nozzles
- 10.1.5 Dispenser enclosure
- 10.1.6 Other requirements
- 10.2 CNG dispensers
- 11 Vaporizers and heaters
- 11.1 Application
- 11.2 Design of vaporizers and heaters
- 11.3 Ambient air vaporizer
- 11.3.1 General
- 11.3.2 Defrosting
- 11.3.3 Aluminium vaporizers
- 11.4 Electric vaporizer/heater
- 11.5 Water bath vaporizer
- 11.6 Fired vaporizers
- 11.7 Remotely heated vaporizers
- 12 Odorization
- 12.1 General requirements
- 12.2 High-pressure odorizer
- 12.3 Safety
- 12.4 Monitoring
- 12.5 Odorant
- 12.6 Dynamics of function
- 13 Pipework
- 13.1 General
- 13.2 Pipework design
- 13.2.1 General
- 13.2.2 Overground pipework
- 13.2.3 Underground pipework
- 13.2.4 Pipework in ducts
- 13.2.5 Flexible connections
- 14 Electrical equipment and wiring
- 14.1 General
- 14.2 Main considerations
- 14.2.1 Grounding
- 14.2.2 Lightning
- 14.2.3 Contact with live parts
- 14.2.4 Cables
- 14.2.5 Static electricity
- 14.3 Other considerations
- 14.3.1 Interface
- 14.3.2 Primary seal
- 14.3.3 Additional seal
- 14.3.4 Conduit seals
- 14.3.5 Detection vents
- 15 Instrumentation and control system
- 15.1 General
- 15.2 Gas detectors
- 15.3 Flame detectors
- 15.4 Pressure gauges
- 15.5 Temperature sensors
- 15.6 Manual emergency shutdown devices
- 15.7 Emergency power supply unit
- 16 Emergency shutdown
- 16.1 Application
- 16.2 Procedure
- 16.3 Activation
- 16.4 ESD action
- 16.5 Reset
- 17 Special configurations
- 17.1 Movable LNG fuelling station
- 17.1.1 General requirements
- 17.1.2 Anchoring
- 17.1.3 Containment
- 17.2 Mobile LNG fuelling station
- 17.2.1 General requirements
- 17.2.2 Anchoring
- 17.2.3 Containment
- 17.2.4 Design
- 17.2.5 Additional requirements for operation
- 18 Testing and commissioning
- 18.1 Testing
- 18.1.1 Electrical testing
- 18.1.2 Pressure strength testing
- 18.1.3 Leak testing
- 18.2 Commissioning
- 18.2.1 General provisions
- 18.2.2 Purging
- 18.2.3 Functional testing
- 18.2.4 First filling of the LNG storage tank and other components
- 19 Operations
- 19.1 LNG tanker offloading
- 19.2 Fuelling procedure
- 19.3 Safety signs
- 19.3.1 General on identification labels
- 19.3.2 Equipment marking
- 19.4 Equipment and pipework identification
- 19.5 Training
- 19.6 Installation and operating instructions
- 19.7 Emergency plan
- 19.8 Maintaining the emergency shutdown
- 20 Inspection and maintenance
- 20.1 Inspection
- 20.1.1 General requirements
- 20.1.2 Inspection and testing of electrical systems
- 20.1.3 Inspection and re-testing of the safety relief valves
- 20.1.4 Safety and fire protection equipment
- 20.2 Maintenance
- 20.2.1 Preventive maintenance planning
- 20.2.2 Maintenance procedures
- 20.2.3 Maintenance safety
- 20.2.4 Draining of the LNG storage tank
- Annex A (informative) Examples of hazardous zones classification
- Annex B (normative) Separation distances
- Annex C (informative) Example flow diagram of an LNG fuelling station
- Annex D (informative) Example flow diagram of an LCNG fuelling station
- Annex E (informative) Example flow diagram of an LNG and LCNG fuelling station
- Annex F (informative) Process requirements for the effective cryogenic pump operation
- Annex G (informative) Recommendations for installation of a centrifugal pump
- Annex H (informative) Recommendations for centrifugal pump design
- Annex I (informative) Recommendations for installation of a reciprocating pump
- Annex J (informative) Recommendations on the content of the cryogenic pump operation instructions
- Annex K (informative) Example flow diagram of a high-pressure odorizer
- Annex L (informative) LNG identification mark of an LNG fuelling station
- Bibliography [Go to Page]