AS/NZS 1596:2002

1 - AS/NZS 1596:2002 THE STORAGE AND HANDLING OF LP GAS
4 - PREFACE
5 - CONTENTS
12 - SECTION 1 SCOPE AND GENERAL
12 - 1.1 SCOPE AND APPLICATION
12 - 1.1.1 Scope
12 - 1.1.2 Application
13 - 1.2 OBJECTIVE
13 - 1.3 REFERENCED DOCUMENTS
13 - 1.4 DEFINITIONS
13 - 1.4.1 ADG Code
13 - 1.4.2 AGA
13 - 1.4.3 AIP
13 - 1.4.4 ALPGA
13 - 1.4.5 Approved, approval
13 - 1.4.6 Authority
13 - 1.4.7 Automotive filling installation
13 - 1.4.8 Boundary
13 - 1.4.9 Capacity (of a tank or cylinder)
13 - 1.4.10 Combustible
13 - 1.4.11 Combustible liquid
14 - 1.4.12 Compound
14 - 1.4.13 Container
14 - 1.4.14 Cylinder
14 - 1.4.15 Decanting
14 - 1.4.16 Direct connection
14 - 1.4.17 Emergency shut-down system
14 - 1.4.18 Excess-flow valve
14 - 1.4.19 Filling connection
14 - 1.4.20 Fire resistance level (FRL)/ fire resistance rating (FRR)
14 - 1.4.21 Firewall
14 - 1.4.22 Fixed liquid level gauge or fixed ullage gauge
15 - 1.4.23 Flammable liquid
15 - 1.4.24 Fleet refuelling
15 - 1.4.25 Fusible link
15 - 1.4.26 Gas distributor
15 - 1.4.27 Gas free
15 - 1.4.28 Hazardous area
15 - 1.4.29 Hot work
15 - 1.4.30 Ignition source
15 - 1.4.31 Industrial building
15 - 1.4.32 In-situ filling
15 - 1.4.33 Installation
16 - 1.4.34 Internal (component)
16 - 1.4.35 Internal safety control valve (ISC)
16 - 1.4.36 Liquefied petroleum gas (LP Gas)
16 - 1.4.37 LPGA
16 - 1.4.38 Mass-filling ratio
16 - 1.4.39 Maximum filling level
16 - 1.4.40 May
16 - 1.4.41 Non-return valve (check valve)
16 - 1.4.42 POL coupling
16 - 1.4.43 Positive shut-off
16 - 1.4.44 Practicable
17 - 1.4.45 Protected place
17 - 1.4.46 Public place
17 - 1.4.47 Quick-closing internal valve
17 - 1.4.48 Radiation barrier
17 - 1.4.49 Regulator
17 - 1.4.50 Remote connection
17 - 1.4.51 Safety valve
17 - 1.4.52 Service station
17 - 1.4.53 Shall
17 - 1.4.54 Should
17 - 1.4.55 Site
17 - 1.4.56 Site operator
18 - 1.4.57 Standard filling level
18 - 1.4.58 Tank
18 - 1.4.59 Tanker
18 - 1.4.60 Thermal screen
18 - 1.4.61 Ullage
18 - 1.4.62 Vaporizer
18 - 1.4.63 Vapour barrier
18 - 1.4.64 Volume filling percentage
19 - 1.5 RESTRICTIONS ON IGNITION SOURCES
20 - SECTION 2 MINOR STORAGE AND USAGE
20 - 2.1 APPLICATION
20 - 2.2 PRECAUTIONS
21 - 2.3 RESTAURANTS
21 - 2.4 LP GAS CYLINDERS ON TROLLEYS
21 - 2.5 NON-REFILLABLE CONTAINERS
21 - 2.6 CYLINDER USE
23 - SECTION 3 COMPONENTS FOR TANK SYSTEMS
23 - 3.1 APPLICATION
23 - 3.2 TANK DESIGN AND CONSTRUCTION
23 - 3.2.1 General design
24 - 3.2.2 Tank data plate
24 - 3.3 CONTROL OF LP GAS OUTFLOW
24 - 3.3.1 Minimization of outflow
25 - 3.3.2 Safety valve
25 - 3.3.3 Openings for gauges
25 - 3.3.4 Primary shut-down system
25 - 3.3.5 Secondary shut-down system
26 - 3.3.6 Tanks larger than 200 kL
26 - 3.4 SAFETY VALVES
26 - 3.4.1 Provision of safety valves
26 - 3.4.2 Discharge provisions
27 - 3.4.3 Reserve safety valves
27 - 3.5 VALVES AND ACCESSORIES
27 - 3.5.1 Suitability
28 - 3.5.2 Valve indicators and marking
28 - 3.5.3 Filling connection on tank
30 - 3.5.4 Liquid level and contents
30 - 3.5.5 Pressure gauges
30 - 3.5.6 Temperature gauge
30 - 3.5.7 Regulators
30 - 3.5.8 Provision for emptying tank
30 - 3.5.9 Electrical equipment
31 - 3.6 PIPING
31 - 3.6.1 Design for pressure
31 - 3.6.2 Joints
31 - 3.6.3 Joints in copper pipe
31 - 3.6.4 Flexible pipe connections
32 - 3.6.5 Transfer hose
32 - 3.6.6 Transfer hose couplings
32 - 3.6.7 Expansion flexibility
32 - 3.6.8 Acceptable piping for cylinder connections
32 - 3.7 VAPORIZERS
32 - 3.7.1 Design and construction
33 - 3.7.2 Marking
34 - SECTION 4 TANK SYSTEM INSTALLATION
34 - 4.1 APPLICATION
34 - 4.2 TANK SPACING AND SEPARATION DISTANCES
34 - 4.2.1 General location and spacing
34 - 4.2.2 Tanks in groups
34 - 4.2.3 Changed site conditions
35 - 4.2.4 Aerial wiring systems
35 - 4.2.5 Distances to other gas storages
36 - 4.2.6 On-site storages and flammable and combustible materials
36 - 4.2.7 Ignition sources
36 - 4.2.8 Use of vapour barriers and firewalls
36 - 4.3 TANK SITE CONDITIONS
36 - 4.3.1 Ground conditions
36 - 4.3.2 Ventilation and access
37 - 4.4 CONSTRUCTION OF FIREWALLS, VAPOUR BARRIERS AND THERMAL SCREENS
37 - 4.4.1 Vapour barriers
37 - 4.4.2 Firewalls
37 - 4.4.3 Thermal screens
37 - 4.4.4 Use of existing construction
37 - 4.5 TANK FOUNDATIONS AND SUPPORTS
37 - 4.5.1 Foundations and supports
38 - 4.5.2 Fire resistance of supports
38 - 4.5.3 Expansion provision
40 - 4.6 TANK INSTALLATION AND DESIGN
40 - 4.7 CONNECTIONS FOR TANK FILLING AND TANKER LOADING
40 - 4.7.1 Filling connection
40 - 4.7.2 Direct connection
40 - 4.7.3 Remote connection
41 - 4.7.4 Tanker loading
41 - 4.7.5 Access for contents gauging
41 - 4.7.6 Hose venting
41 - 4.7.7 Separation distances
42 - 4.8 EMERGENCY SHUTDOWN SYSTEM
42 - 4.8.1 General design
42 - 4.8.2 Fire actuation
42 - 4.8.3 Manual actuation
43 - 4.8.4 Tank to tanker transfer protection
45 - 4.9 PIPING
45 - 4.9.1 Interconnected tanks
45 - 4.9.2 Liquid lines between valves
45 - 4.9.3 Piping system
45 - 4.9.4 Piping drain or bleed valves
45 - 4.9.5 Support of piping
46 - 4.9.6 Piping within buildings
46 - 4.9.7 Underground piping
46 - 4.9.8 Identification of pipes
46 - 4.9.9 Pipework testing
47 - 4.10 VAPORIZER INSTALLATION
47 - 4.10.1 Compatibility check
47 - 4.10.2 Shelter
47 - 4.10.3 Location
47 - 4.11 REGULATORS
47 - 4.11.1 Location
47 - 4.11.2 Venting
47 - 4.11.3 Overpressure protection
48 - 4.12 PUMPS AND COMPRESSORS
48 - 4.12.1 Suitability
48 - 4.12.2 Pressure limitation
48 - 4.12.3 Pumps
48 - 4.12.4 Compressors
48 - 4.12.5 Pump location
48 - 4.13 SECURITY AND DAMAGE AVOIDANCE
48 - 4.13.1 Tank security
49 - 4.13.2 Security fence
49 - 4.13.3 Lockable enclosure
49 - 4.13.4 Damage avoidance
49 - 4.14 LIGHTNING AND BONDING PROTECTION
49 - 4.14.1 Lightning protection
49 - 4.14.2 Bonding to tanker
49 - 4.15 LADDERS, STEPS AND PLATFORMS
50 - 4.16 LEAK DETECTION
50 - 4.17 MARKINGS AND NOTICES
50 - 4.18 LIGHTING
50 - 4.19 UNODOURIZED GAS INSTALLATIONS
50 - 4.19.1 Emergency shutdown system
50 - 4.19.2 Location of gas detectors
50 - 4.19.3 Function of gas detectors
51 - SECTION 5 UNDERGROUND TANK INSTALLATIONS
51 - 5.1 APPLICATION
51 - 5.2 CORROSION CONTROL
51 - 5.2.1 General
51 - 5.2.2 Testing of coating
51 - 5.3 LOCATION AND INSTALLATION
51 - 5.3.1 Tank location
51 - 5.3.2 Tanks in groups
52 - 5.3.3 Tank covering
54 - 5.3.4 Anchoring
54 - 5.3.5 Tank branches and tappings
54 - 5.3.6 Gas storages other than LP Gas
54 - 5.4 ACCESS, PROTECTION, FITTINGS AND ACCESSORIES
54 - 5.4.1 Access
54 - 5.4.2 Protection for above-ground equipment
54 - 5.4.3 Access pits
55 - 5.4.4 Contents gauging
55 - 5.5 DISCHARGE FROM SAFETY RELIEF DEVICE
55 - 5.5.1 Discharge rate
55 - 5.5.2 Point of discharge
57 - SECTION 6 CYLINDERS AND CYLINDER SYSTEMS
57 - 6.1 APPLICATION
57 - 6.2 CYLINDERS
57 - 6.2.1 Standards
57 - 6.2.2 Exchange-fill cylinders
57 - 6.2.3 In-situ fill cylinders
57 - 6.2.4 Cylinders filled by decanting
57 - 6.2.5 Liquid withdrawal cylinders
58 - 6.2.6 Butane cylinders
58 - 6.3 REGULATORS AND PIPING
58 - 6.3.1 Regulators
58 - 6.3.2 Piping and hose
58 - 6.4 CYLINDERS IN USE
58 - 6.4.1 General
58 - 6.4.2 Cylinder location
59 - 6.4.3 Hazardous area requirements
59 - 6.4.4 Changed site conditions
59 - 6.4.5 Use of vapour barriers and firewalls
60 - 6.4.6 Ventilation and access
60 - 6.4.7 Installing cylinders
60 - 6.4.8 Installations for in-situ filling
61 - 6.4.9 Cylinders in public locations
61 - 6.4.10 Prohibited locations
62 - 6.4.11 Cylinders under a building supported by piers
62 - 6.5 CYLINDERS IN USE WITHIN BUILDINGS
63 - 6.6 CYLINDER STORAGE
63 - 6.6.1 Site requirements
63 - 6.6.2 Separation distances
64 - 6.6.3 Cylinder storage
64 - 6.6.4 Portable cylinder exchange facilities
65 - SECTION 7 CYLINDER-FILLING INSTALLATIONS-AUSTRALIA
65 - 7.1 APPLICATION
65 - 7.2 GENERAL
65 - 7.2.1 Filling by mass
65 - 7.2.2 Filling by volume
65 - 7.2.3 Ignition sources
65 - 7.2.4 Use of vapour barriers and firewalls
65 - 7.2.5 Suitability of gas supply
66 - 7.3 CYLINDER-FILLING AREA
66 - 7.3.1 Location of filling point
66 - 7.3.2 Adjacent storage
66 - 7.3.3 Ventilation
66 - 7.3.4 Emergency shut-down device
66 - 7.4 DECANTING
66 - 7.4.1 Restrictions
66 - 7.4.2 Decanting transfer equipment
66 - 7.4.3 Location
68 - 7.4.4 Positioning of cylinder
68 - 7.4.5 Security
68 - 7.4.6 Notices
69 - SECTION 8 CYLINDER-FILLING INSTALLATIONS-NEW ZEALAND
69 - 8.1 APPLICATION
69 - 8.2 GENERAL
69 - 8.2.1 Filling by mass
69 - 8.2.2 Filling by volume
69 - 8.2.3 Ignition sources
69 - 8.2.4 Use of vapour barriers and firewalls
69 - 8.3 CYLINDER-FILLING AREA
69 - 8.3.1 Location of filling point
69 - 8.3.2 Adjacent storage
70 - 8.3.3 Service station forecourt filling
70 - 8.3.4 Ventilation
70 - 8.3.5 Security
70 - 8.3.6 Notices
70 - 8.3.7 Emergency shut-down device
70 - 8.4 DECANTING
70 - 8.4.1 Capacity restrictions
70 - 8.4.2 Decanting connection
70 - 8.4.3 Location
71 - 8.4.4 Arrangement of cylinder
71 - 8.4.5 Decanting from tanks
72 - SECTION 9 AUTOMOTIVE-FILLING INSTALLATIONS
72 - 9.1 APPLICATION
72 - 9.2 COMMON REQUIREMENTS
72 - 9.2.1 Ignition sources
72 - 9.2.2 Tank and pump piping
73 - 9.2.3 Filling area
74 - 9.3 DISPENSING SYSTEMS
74 - 9.3.1 General design
74 - 9.3.2 Style A dispenser system
75 - 9.3.3 Dispensing hose
77 - 9.3.4 Dispensing nozzle
77 - 9.3.5 Filler caps
77 - 9.4 NOTICES, SIGNS AND INSTRUCTIONS
77 - 9.5 SPECIFIC REQUIREMENTS FOR SERVICE STATIONS
77 - 9.5.1 Application
78 - 9.5.2 Above-ground storage tanks
78 - 9.5.3 Spillage control
78 - 9.5.4 Connections for tank filling
78 - 9.5.5 Provisions for emptying tank
78 - 9.5.6 Location of LP Gas dispensers
78 - 9.5.7 Dispenser service lines
78 - 9.5.8 Piping for above-ground tanks
78 - 9.5.9 Pump bypass
79 - 9.5.10 Location of pumps
79 - 9.5.11 Use of thermal screens and fire walls
79 - 9.5.12 Tanker access and egress
79 - 9.5.13 Tanker unloading position
80 - 9.5.14 Remote shut-down system
80 - 9.5.15 Damage avoidance
81 - 9.5.16 Dispenser system
81 - 9.5.17 Lock-up provisions
81 - 9.5.18 Self-service
82 - 9.5.19 Decanting cylinders
82 - 9.6 SITE SUITABILITY
82 - 9.7 LAND USE CONTROLS
82 - 9.7.1 General
83 - 9.7.2 Separation distances
84 - 9.7.3 Population limit areas
85 - 9.8 SAFETY MANAGEMENT SYSTEM
87 - SECTION 10 OPERATIONS
87 - 10.1 APPLICATION
87 - 10.2 GENERAL PRECAUTIONS
87 - 10.2.1 Requirements
87 - 10.2.2 Odour
87 - 10.2.3 Omission of odour
87 - 10.2.4 Initial pre-delivery check
87 - 10.2.5 Subsequent pre-delivery checks
87 - 10.2.6 Post-delivery checks
87 - 10.2.7 Tanks out of service
88 - 10.2.8 Changed usage of tanks
88 - 10.2.9 Post-installation site work
88 - 10.2.10 Tank isolation
88 - 10.3 ESTABLISHMENT OF PROCEDURES
88 - 10.3.1 Procedures required
88 - 10.3.2 Documentation of procedures
88 - 10.3.3 Review and upkeep of procedures
88 - 10.3.4 Operating procedures
89 - 10.3.5 Construction and maintenance procedures
89 - 10.3.6 Emergency procedures
90 - 10.3.7 Training
91 - 10.4 COMPLIANCE, SUPERVISION AND RECORDS
91 - 10.4.1 Compliance with procedures
91 - 10.4.2 Supervision
91 - 10.4.3 Records
92 - 10.5 CONSTRUCTION, INSPECTION, TESTING AND MAINTENANCE
92 - 10.5.1 Installation certification
92 - 10.5.2 Scheduled checks
92 - 10.5.3 Tanks
92 - 10.5.4 Piping
92 - 10.5.5 Hoses
93 - 10.5.6 Flexible connections
93 - 10.5.7 Protective flow-control valves
93 - 10.5.8 Authorization of work
93 - 10.5.9 Safe procedures
93 - 10.5.10 Work preparation
94 - 10.5.11 Completion of work
94 - 10.5.12 Site upkeep
94 - 10.6 SPECIFIC OPERATING PROCEDURES
94 - 10.6.1 Commissioning new or modified equipment
95 - 10.6.2 Outlets not in use
95 - 10.6.3 Personnel safety
95 - 10.6.4 Security measures
95 - 10.7 PREPARATIONS FOR THE TRANSPORT OR REMOVAL OF STORAGE TANKS
95 - 10.8 TANKER OPERATIONS
95 - 10.8.1 Delivery vehicle
95 - 10.8.2 Tanker loading procedures
95 - 10.8.3 Check of accessories
96 - 10.8.4 Refuelling
96 - 10.8.5 Parking and garaging
96 - 10.8.6 Tanker servicing and repair
97 - 10.9 GENERAL PRECAUTIONS FOR TANKER TRANSFER
97 - 10.9.1 Suitability of gas
97 - 10.9.2 Condition of installation
97 - 10.9.3 Advice of delivery
97 - 10.9.4 Safety of hose
97 - 10.9.5 Use of gloves
97 - 10.9.6 Tanker location
97 - 10.9.7 Multiple tanker transfer operations
97 - 10.10 SUPERVISION OF DELIVERY
98 - 10.11 PROCEDURES FOR FILLING AND EMPTYING TANKS
98 - 10.11.1 Valve handles
98 - 10.11.2 Venting
98 - 10.11.3 Procedures prior to transfer
99 - 10.11.4 Procedures during transfer
99 - 10.11.5 Procedures after transfer
99 - 10.12 CYLINDER FILLING
99 - 10.12.1 General requirements
100 - 10.12.2 Supervision
100 - 10.12.3 Leakage check
100 - 10.12.4 In-situ filling
100 - 10.12.5 Filling at automotive fuel dispensers (Australia only)
100 - 10.12.6 Decanting
101 - 10.13 FILLING FROM TANKERS TO CYLINDERS OTHER THAN IN-SITU
101 - 10.13.1 Application
101 - 10.13.2 General requirements
101 - 10.13.3 Preliminary safety check
101 - 10.13.4 Notices
101 - 10.13.5 Tanker egress
101 - 10.13.6 Cylinder storage and handling
101 - 10.13.7 Separation distances
101 - 10.14 CYLINDER STORAGE AND HANDLING
102 - SECTION 11 FIRE SAFETY
102 - 11.1 GENERAL REQUIREMENTS
102 - 11.1.1 Integration with existing facilities
104 - 11.1.2 Variations to requirements
104 - 11.1.3 System compatibility
104 - 11.1.4 Location
104 - 11.2 CYLINDERS
104 - 11.2.1 Cylinder storage
104 - 11.2.2 Cylinder filling
104 - 11.3 TANK INSTALLATIONS
104 - 11.3.1 Site evaluation
105 - 11.3.2 Heat protection
105 - 11.4 AUTOMOTIVE FILLING INSTALLATIONS
105 - 11.5 DETAIL REQUIREMENTS
105 - 11.5.1 Hydrant system
106 - 11.5.2 Hose reels
106 - 11.5.3 Water spray system
106 - 11.5.4 Monitors
107 - 11.5.5 Fire extinguishers
107 - 11.5.6 Water supply
108 - APPENDIX A - SCOPE OF AS/NZS 1596
110 - APPENDIX B - LIST OF REFERENCED DOCUMENTS
115 - APPENDIX C - TANK OR CYLINDER FILLING LEVEL
115 - C1 INTRODUCTION
116 - C2 DETERMINATION OF STANDARD FILLING LEVEL
116 - C2.1 Application
116 - C2.2 Principle
116 - C2.3 Procedure
116 - C3 PROCEDURE-FILLING BY MASS
116 - C3.1 Application
116 - C3.2 Filling procedure
117 - C4 PROCEDURE - FILLING BY VOLUME - STANDARD LIQUID LEVEL METHOD
117 - C4.1 Application
117 - C4.2 Filling procedure
117 - C5 PROCEDURE - FILLING BY VOLUME - TEMPERATURE CORRECTION METHOD
117 - C5.1 Application
117 - C5.2 Determination of maximum permitted level
118 - C5.3 Filling procedure
122 - APPENDIX D - MARKINGS, SIGNS AND NOTICES
122 - D1 TANK SYSTEMS
122 - D1.1 Valve indicators and marking
122 - D1.2 Direction of flow
122 - D1.3 Vaporizer marking
122 - D2 TANK INSTALLATIONS
122 - D2.1 Emergency shut-down system marking
123 - D2.2 Tank or tank storage area placarding
123 - D2.3 Placard
123 - D2.4 Construction of signs
123 - D3 CYLINDER INSTALLATIONS (AUSTRALIA ONLY)
123 - D3.1 Surface coating marking for cylinders
123 - D3.2 Liquid withdrawal cylinders
123 - D4 CYLINDER FILLING
123 - D4.1 Decanting cylinder notices
124 - D4.2 Cylinder filling installations
124 - D5 AUTOMOTIVE FILLING STATIONS-VEHICLE FILLING AREA
124 - D5.1 Precautionary sign
124 - D5.2 Driver instructions
124 - D5.3 Emergency procedures
126 - APPENDIX E - DISCHARGE CAPACITY OF SAFETY VALVES
126 - E1 INTRODUCTION
126 - E2 TANKS
127 - E3 VAPORIZERS
128 - APPENDIX F - TANK AND CYLINDER LOCATION
130 - APPENDIX G - IDENTIFICATION OF LIQUID AND VAPOUR LINES
131 - APPENDIX H - LEAKAGE TESTING OF PIPEWORK
131 - H1 CONNECTIONS BETWEEN TANK OR CYLINDER AND FIRST STAGE REGULATOR
131 - H2 ALL OTHER PIPEWORK
131 - H2.1 General
131 - H2.2 Low pressure pipework
131 - H2.3 High pressure pipework
133 - APPENDIX I - INDUSTRIAL MOBILE SPACE HEATERS
134 - APPENDIX J - HAZARDOUS AREAS
137 - APPENDIX K - PORTABLE CYLINDER EXCHANGE FACILITIES
137 - K1 INTRODUCTION
137 - K2 RESTRICTIONS
137 - K3 LOCATION OF CAGES
138 - K4 SIGNS AND LABELS
139 - APPENDIX L - DECANTING PROCEDURE
141 - APPENDIX M - EMERGENCY PLANS
141 - M1 INTRODUCTION
141 - M2 ON-SITE EMERGENCY PLAN
141 - M3 OFF-SITE EMERGENCY PLAN
142 - M4 EMERGENCY INFORMATION CONTAINER
143 - APPENDIX N - MOTOR VEHICLE REFUELLING
144 - APPENDIX O - FIRE EXPOSURE PROTECTION
144 - O1 INTRODUCTION
145 - O2 ASSESSMENT PROCEDURE
145 - O3 EVALUATION
148 - APPENDIX P - DRIVER INSTRUCTION SIGNS
148 - P1 DRIVER INSTRUCTION SIGNS
148 - P2 WARNING SIGN
148 - P3 FILLING INSTRUCTIONS

Provides requirements for the location, construction and operation of installations for the storage and handling of LP Gas. Special requirements for storage in cylinders and tanks, cylinder filling and automotive filling, and their associated operations, are given.

This Standard specifies requirements for the location, design, construction, commissioning and operation of installations for the storage and handling of LP Gas, and includes the management of emergencies.It does not apply to the following situations:(a) Refrigerated storage of LP Gas or refrigeration systems (see AS/NZS 1677 series). (b) Underground storage of LP Gas in mined caverns or geological formations.(c) Plant or equipment in which LP Gas is processed or produced, or vessels which form an integral part of that processing equipment (but does include post manufacturing storage).(d) Industrial gas-consuming equipment (see AS 1375/NZS 5261).(e) Automotive installations as addressed in AS/NZS 1425 and in AS 2809.3/NZ LPGTankwagon Code.(f) Transport operations as covered in Australia by the ADG Code and in New Zealand by the requirements of the relevant authority.(g) From the outlet of the first regulator on a fixed consumer piping installation where the LP Gas container is installed on the same site, or from the outlet of the consumer billing meter or regulator where LP Gas is reticulated to the site from storage off the site (see AG 601/NZS 5261).NOTE: Figures illustrating where each Standard or code applies are given in Appendix A.(h) From the outlet of the first regulator in an LP Gas installation supplying multiple customers on separate sites to the outlet of the customer billing meter or regulator on each site (see AG 603/NZS 5258).(i) LP Gas systems for caravans, catering vehicles or marine craft (see AG 601/NZS 5428).

First published in Australia as AS CB20-1965.Second edition 1971.Revised and redesignated as AS 1596-1973.Second edition 1979.Third edition 1983.Fourth edition 1989.AS 1596 Supplement 1 first published 1994.First published in New Zealand as NZS 5434:1986.AS 1596-1989, AS 1596 Supplement 1-1994 and NZS 5434:1986 jointly revised, amalgamated and redesignated AS/NZS 1596:1997.Sixth edition 2002. First published in Australia as AS CB20-1965. Second edition 1971. Revised and redesignated as AS 1596-1973. Second edition 1979. Third edition 1983. Fourth edition 1989. AS 1596 Supplement 1 first published 1994. First published in New Zealand as NZS 5434:1986. AS 1596-1989, AS 1596 Supplement 1-1994 and NZS 5434:1986 jointly revised, amalgamated and redesignated AS/NZS 1596:1997. Sixth edition 2002.