AS 4564-2011

1 - AS 4564-2011 SPECIFICATION FOR GENERAL PURPOSE NATURAL GAS
4 - PREFACE
5 - CONTENTS
6 - FOREWORD
7 - SECTION 1 SCOPE AND GENERAL
7 - 1.1 SCOPE
7 - 1.2 OBJECTIVE
7 - 1.3 APPLICATION
7 - 1.4 LEGISLATIVE AND CONTRACTUAL REQUIREMENTS AND VARIATIONS
8 - 1.5 REFERENCED DOCUMENTS
8 - 1.6 DEFINITIONS
8 - 1.6.1 General purpose natural gas
8 - 1.6.2 Higher heating value
8 - 1.6.3 Inert gas
8 - 1.6.4 Limit
8 - 1.6.5 Maximum allowable operating pressure (MAOP)
8 - 1.6.6 Natural gas
8 - 1.6.7 Oil
8 - 1.6.8 Relative density
9 - 1.6.9 Shall
9 - 1.6.10 Should
9 - 1.6.11 Standard conditions
9 - 1.6.12 Total sulphur
9 - 1.6.13 Wobbe Index
10 - SECTION 2 REQUIREMENTS
10 - 2.1 SAFETY FOR USE
10 - 2.2 CONTAMINANTS
11 - SECTION 3 COMPLIANCE
11 - 3.1 DEMONSTRATION OF COMPLIANCE
12 - 3.2 TESTING
13 - APPENDIX A - DERIVATION OF SPECIFICATION
13 - A1 BACKGROUND
13 - A2 LIMITS
13 - A3 CHARACTERISTICS AND COMPONENTS
13 - A3.1 Wobbe Index
14 - A3.2 Higher heating value
14 - A3.3 Oxygen
14 - A3.4 Hydrogen sulphide
14 - A3.5 Total sulphur
14 - A3.6 Water
15 - A3.7 Hydrocarbon dewpoint
15 - A3.8 Total inert gases
15 - A3.9 Other combustion parameters
16 - A3.10 Oil
16 - A3.11 Other contaminants
18 - APPENDIX B - MATTERS THAT MAY BE CONSIDERED IN CONTRACTS
19 - APPENDIX C - DEMONSTRATION OF COMPLIANCE WITH THIS SPECIFICATION
19 - C1 TEST METHODS
20 - C2 PRECISION OF MEASUREMENT
21 - APPENDIX D - LIST OF REFERENCED STANDARDS
22 - APPENDIX E - SUGGESTED READING

Sets out requirements for the safe composition, transportation and supply of general purpose natural gas for use in natural gas appliances and equipment, and for use as fuel in natural gas vehicles.

This Standard sets out requirements for the safe composition, transportation and supply of general purpose natural gas for use in natural gas appliances and equipment, and for use as fuel in natural gas vehicles.The Standard applies to natural gas that is - (a) from petroleum, landfill, biogas, coal seam and other sources where these sources provide gas for direct or blended supply on a commercial basis through supply systems serving general purpose customers; and(b) transported and supplied to users for use in natural gas appliances and equipment complying with the relevant Standards. This includes natural gas powered vehicles, natural gas compressors and refuelling facilities.NOTE: Appendices A, B and C provide further information and guidance on the derivation of the requirements, additional issues to be considered in contracts and test methods to verify compliance.

First published as AS 4564/AG 864-2003.Second edition 2005.Third edition 2011. Originated as AS 4564-2003 (AG 864). Previous edition AS 4564-2005. Third edition 2011.