UNE-EN 1473:2017

Foreword
0 Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Safety and environment
    4.1 General
    4.2 Installation and its environment
    4.3 Threshold values
    4.4 Hazard assessment
    4.5 Safety measures on the LNG plant
    4.6 Hazards and operability study (HAZOP)
5 Liquefaction plants
    5.1 General description
    5.2 Gas treatment
    5.3 Cold box design
    5.4 Refrigerant storage
6 Storage and retention systems
    6.1 Tank categories
    6.2 Design principles
    6.3 General design rules
    6.4 Foundations
    6.5 Operating instruments
    6.6 Pressure and vacuum protection
    6.7 Bund wall and impounding area
    6.8 Safety equipment
    6.9 Tank piping
    6.10 Distance between tanks
    6.11 Commissioning and decommissioning
    6.12 Testing
7 LNG pumps
    7.1 Generality
    7.2 Field of application
    7.3 Materials
    7.4 Specific requirements
    7.5 Inspection and testing
8 Vaporization of LNG
    8.1 General requirements
    8.2 General design rules
    8.3 Vaporizer categories
    8.4 Specific vaporizer requirements
9 Pipework
    9.1 The piping systems of an LNG plant
    9.2 Rules relating to the design of the different
          piping systems of an LNG plant
    9.3 Proof tests
    9.4 Piping components
    9.5 Thermal insulation
    9.6 Pipe rack/pipe way
    9.7 Impounding basin
    9.8 Corrosion
10 Reception/send out of natural gas
    10.1 Metering
    10.2 Gas quality
    10.3 Odorizisng
11 Boil off recovery and treatment plants
    11.1 General
    11.2 Boil off collection system
    11.3 System of gas return to tanker(s) or to
          export terminal
    11.4 Boil off gas recovery
    11.5 Gas compressor
    11.6 Flare/vent
12 Auxiliary circuits and buildings
    12.1 Electrical equipment and instrumentation
    12.2 Lightning and earthing
    12.3 Cathodic protection
    12.4 Warning lights
    12.5 Sea water supply for open rack vaporizer
    12.6 Mercury removal plant
    12.7 Instrument air
    12.8 Fuel (utility) gas
    12.9 Nitrogen system
    12.10 Buildings
13 Fixed protection equipment
    13.1 Detection
    13.2 Fire fighting
14 Control systems
    14.1 General description
    14.2 Process control system
    14.3 Safety control system
    14.4 Access control system
    14.5 Anti-intrusion system
15 Construction, commissioning and turnaround
    15.1 Quality assurance and quality control
    15.2 Acceptance tests
    15.3 Preparation at start-up and shutdown
16 Painting, fire proofing and embrittlement protection
    16.1 Painting
    16.2 Fire proofing
    16.3 Embrittlement protection
Annex A (normative) Definition of the actions to be applied
to LNG tanks
Annex B (normative) Definitions of reference flow rates
Annex C (normative) Acceptance tests of LNG tanks
Annex D (normative) Specific requirements for LNG pumps
Annex E (normative) Specific requirements for LNG vaporizers
Annex F (normative) Actions for the design of pipelines
Annex G (informative) Description of the different onshore
installations for LNG
Annex H (informative) Definition of different types of LNG
tanks
Annex J (informative) Probabilities ranges
Annex K (informative) Classes of consequence
Annex L (informative) Levels of risk
Annex M (informative) Typical process steps of liquefaction
Annex N (informative) Odorant systems requirements
Annex P (informative) Bibliography

Gives guidelines for the design, construction and operation of all onshore liquefied natural gas (LNG) installations including those for the liquefaction, storage, vaporisation, transfer and handling of LNG.