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  • AS/NZS 2885.5:2002

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    Pipelines - Gas and liquid petroleum Field pressure testing

    Available format(s):  Hardcopy, PDF 1 User, PDF 3 Users, PDF 5 Users, PDF 9 Users

    Superseded date:  30-06-2017

    Language(s):  English

    Published date:  04-04-2002

    Publisher:  Standards Australia

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    Table of Contents - (Show below) - (Hide below)

    1 - AS/NZS 2885.5:2002 PIPELINES-GAS AND LIQUID PETROLEUM - FIELD PRESSURE TESTING
    4 - PREFACE
    5 - CONTENTS
    7 - SECTION 1 SCOPE AND GENERAL
    7 - 1.1 BASIS OF SECTION
    7 - 1.2 APPLICATION
    7 - 1.3 PURPOSE OF TESTS
    7 - 1.3.1 Strength test
    7 - 1.3.2 Leak test
    8 - 1.4 DESIGNATION OF TEST METHODS
    8 - 1.4.1 Strength tests
    8 - 1.4.2 Leak-tightness
    8 - 1.5 REFERENCED DOCUMENTS
    8 - 1.6 DEFINITIONS
    8 - 1.6.1 Allowable test uncertainty
    8 - 1.6.2 End-point
    8 - 1.6.3 End-point, half-slope
    9 - 1.6.4 End-point, offset volume
    9 - 1.6.5 Hold period (hold time)
    9 - 1.6.6 Industrial gauge
    9 - 1.6.7 Leak
    9 - 1.6.8 Leak test
    9 - 1.6.9 Leak-tightness
    9 - 1.6.10 Pressure
    9 - 1.6.11 Pressure change, allowable unaccountable
    9 - 1.6.12 Pressure, mill test
    9 - 1.6.13 Pressure strength (of a test section)
    9 - 1.6.14 Pressure/added volume (p/V) plot
    9 - 1.6.15 Residual air (air content)
    9 - 1.6.16 Strength test
    10 - 1.6.17 Test gauge
    10 - 1.6.18 Test program
    10 - 1.6.19 Test section
    10 - 1.6.20 Transducer
    10 - 1.7 TESTING PERSONNEL
    10 - 1.8 NOTATION
    10 - 1.9 CONVERSION TO SI UNITS
    10 - 1.10 ROUNDING OF NUMBERS
    11 - SECTION 2 EQUIPMENT AND TEST LIQUID
    11 - 2.1 BASIS OF SECTION
    11 - 2.2 ACCURACY, SENSITIVITY, AND REPEATABILITY OF EQUIPMENT
    11 - 2.2.1 General
    11 - 2.2.2 Pressure-measuring equipment
    12 - 2.2.3 Verification of pressure-measuring equipment
    12 - 2.2.4 Volume-measuring equipment
    12 - 2.2.5 Verification of volume-measuring equipment
    12 - 2.2.6 Temperature- measuring equipment
    13 - 2.2.7 Verification of temperature-measuring equipment
    13 - 2.3 COMMUNICATIONS AND TRANSPORT
    13 - 2.4 INSTALLATION AND LOCATION OF TEST EQUIPMENT
    13 - 2.4.1 General
    13 - 2.4.2 Pressure gauges
    13 - 2.4.3 Temperature measurement
    14 - 2.5 TEST LIQUID
    14 - 2.5.1 Type of test liquid
    14 - 2.5.2 Selection of test liquid
    14 - 2.6 PROCEDURES AND PRECAUTIONS WHERE TEST FLUID IS PETROLEUM LIQUID
    15 - SECTION 3 PREPARATION FOR TESTS
    15 - 3.1 BASIS OF SECTION
    15 - 3.2 SELECTION AND DESIGN OF TEST SECTIONS
    15 - 3.3 TEST PROGRAM
    16 - 3.4 TEST SECTION
    17 - 3.5 SITE WORK
    18 - SECTION 4 PRESSURE TESTING
    18 - 4.1 BASIS OF SECTION
    18 - 4.2 FILLING
    18 - 4.3 PRESSURIZATION
    18 - 4.3.1 General
    19 - 4.3.2 Pretesting
    19 - 4.3.3 Mechanical interference joints
    19 - 4.4 PRESSURE-CONTROLLED TEST
    20 - 4.5 VOLUME/STRAIN-CONTROLLED TEST
    21 - 4.6 TEST PRESSURES
    21 - 4.6.1 Strength test
    21 - 4.6.2 Leak test
    22 - 4.6.3 Combined strength and leak test
    22 - 4.7 HOLD PERIOD
    22 - 4.7.1 Strength test
    22 - 4.7.2 Leak test
    23 - 4.7.3 Thermal stability for a leak test
    23 - 4.7.4 Observed leaks during pressurizing for a strength test
    23 - 4.7.5 Observed leaks during the strength test hold period
    24 - 4.7.6 Observed leaks during leak test
    24 - 4.7.7 Interrupted hold period
    25 - SECTION 5 ASSESSMENT OF STRENGTH AND LEAK TESTS
    25 - 5.1 BASIS OF SECTION
    25 - 5.2 STRENGTH TEST
    25 - 5.3 LEAK TEST
    25 - 5.3.1 Criteria of acceptance
    26 - 5.3.2 Gas leaks and repair
    28 - SECTION 6 REINSTATEMENT OF THE TEST SECTION
    28 - 6.1 BASIS OF SECTION
    28 - 6.2 REINSTATEMENT
    29 - SECTION 7 REPORTS AND RECORDS
    29 - 7.1 BASIS OF SECTION
    29 - 7.2 REPORTING REQUIREMENTS
    29 - 7.3 REPORTS
    30 - 7.4 RECORDS
    31 - APPENDIX A - BASIS OF THE STANDARD
    31 - A1 INTRODUCTION AND HISTORY
    31 - A2 BASIS OF THE STANDARD
    32 - A3 STRENGTH TESTING
    34 - A4 LEAK TESTING
    34 - A4.1 General
    35 - A4.2 Test pressure
    36 - A4.3 Test equipment
    37 - A4.4 Temperature
    38 - A4.5 Thermal stability assessment
    38 - A4.6 Air in the test section
    39 - A4.7 Dissolution of air
    40 - A5 TECHNIQUES
    40 - A5.1 Test program
    40 - A5.2 Test equipment
    40 - A5.3 Measurement of pressure in strength tests
    41 - A5.4 Measurement for volume/strain-controlled tests
    41 - A5.5 Measurement for leak tests
    41 - A6 CONDUCT OF THE TEST
    41 - A6.1 Pressure-controlled strength test
    42 - A6.2 Volume/strain-controlled test
    43 - APPENDIX B - PRESSURE/VOLUME/TEMPERATURE RELATIONSHIPS IN PIPELINE TEST SECTIONS
    43 - B1 GENERAL
    43 - B1.1 Notation
    43 - B1.2 Steel properties
    44 - B1.3 General relationships
    45 - B2 WATER AS A TESTING MEDIUM
    45 - B3 HYDROCARBON LIQUIDS AS TESTING MEDIA
    45 - B3.1 General
    45 - B3.2 Bulk compressibility factor (equivalent to factor A for water)
    46 - B3.3 Coefficient of thermal expansion
    47 - B3.4 Computations for hydrocarbon liquids
    47 - B4 EFFECT OF AMBIENT TEMPERATURE CHANGES
    47 - B5 RESTRAINED AND UNRESTRAINED PIPE
    50 - APPENDIX C - HYPOTHETICAL TEST SECTION
    50 - C1 INTRODUCTION
    50 - C2 TEST SECTION NO.1
    50 - C2.1 Pipe properties and mill tests
    50 - C2.2 Test conditions
    51 - C2.3 Calculated values
    52 - C3 TEST SECTION NO. 2
    52 - C3.1 Pipe properties and mill tests
    52 - C3.2 Test conditions
    52 - C3.3 Calculated values
    53 - C4 TEST SECTION NO. 3
    53 - C4.1 Test conditions
    53 - C4.2 Calculated values
    55 - APPENDIX D - SELECTION OF END-POINTS
    55 - D1 INTRODUCTION
    55 - D2 STRESS/STRAIN DIAGRAMS
    55 - D2.1 General
    56 - D2.2 Non-expanded pipe
    56 - D2.3 Expanded pipe
    56 - D2.4 Small diameter pipe
    57 - D3 END-POINT SELECTION
    61 - APPENDIX E - INVESTIGATION OF A PREMATURE END-POINT
    61 - E1 INTRODUCTION
    61 - E2 NOTATION
    61 - E3 POTENTIAL CAUSES OF A PREMATURE END-POINT
    62 - E4 POTENTIAL CAUSES OF YIELDING IN A TEST SECTION
    62 - E4.1 General
    62 - E4.2 Half-slope test
    62 - E4.3 Offset volume test
    63 - E5 PRESSURE TESTING OF PIPE
    63 - E6 STRAINING RATE EFFECTS
    63 - E7 USE OF FACTORS
    64 - E8 LABORATORY MECHANICAL TESTS
    64 - E9 END-POINT REVIEW
    65 - E10 NUMERICAL ASSESSMENT
    66 - APPENDIX F - MEASUREMENT OF RESIDUAL AIR
    66 - F1 INTRODUCTION
    66 - F2 RISING PRESSURE METHOD
    67 - F3 FALLING PRESSURE METHOD
    67 - F3.1 Procedure
    67 - F3.2 Results
    68 - F4 ASSESSMENT
    68 - F5 DERIVATION
    71 - APPENDIX G - ESTIMATION OF POTENTIAL GAS LEAKAGE RATE
    71 - G1 INTRODUCTION
    71 - G2 PRESSURE CHANGES
    72 - G3 TEMPERATURE CHANGES
    72 - G4 DERIVATION OF FIGURES G1, G2, G3, G4 AND G5
    72 - G4.1 General
    72 - G4.2 Determination of the diameter of the equivalent hole
    73 - G4.3 Liquid petroleum pipelines
    73 - G4.4 Gas pipelines
    75 - G5 EXAMPLE
    81 - APPENDIX H - TYPICAL REPORT FORM
    82 - APPENDIX I - SELECTION AND DESIGN OF TEST SECTIONS
    82 - I1 PRELIMINARY SECTIONING
    82 - I2 PERMISSIBLE ELEVATION DIFFERENCES
    82 - I2.1 Minimum strength test pressure
    82 - I2.2 Maximum strength test pressure
    82 - I2.3 Permissible elevation range
    82 - I3 LENGTH OF TEST SECTION
    83 - I4 UNCERTAINTY OF MEASUREMENT IN LEAK TESTS
    84 - APPENDIX J - ADIABATIC TEMPERATURE CHANGES IN TEST SECTIONS
    84 - J1 INTRODUCTION
    84 - J2 MAGNITUDE OF THE TEMPERATURE CHANGES
    85 - J3 RECOMMENDATIONS

    Abstract - (Show below) - (Hide below)

    Specifies methods for the pressure testing of petroleum pipelines in accordance with AS 2885.1 and AS 2885.3. It may also be used for testing other pipelines including those designed to AS 1697.

    Scope - (Show below) - (Hide below)

    This Standard sets out methods for the hydrostatic testing of petroleum pipelines, which are a mandatory requirement of AS 2885.1 and AS 2885.3. It may also be used for testing other pipelines including pipelines designed to, or operated to, AS 1697.Hydrostatic testing of a pipeline is usually carried out by testing a number of isolated test sections.Hydrostatic testing is used to establish—(a) the strength and leak tightness of a test section; and(b) the pressure strength of a pipeline for the purposes of determining or confirming the maximum allowable operating pressure of the pipeline.NOTE: For information on the history and basis of the Standard, see Appendix A.

    General Product Information - (Show below) - (Hide below)

    Committee ME-038
    Document Type Standard
    Publisher Standards Australia
    Status Superseded
    Superseded By
    Supersedes
    Under Revision

    History - (Show below) - (Hide below)

    First published as AS 1978-1977.Second edition 1987.Jointly revised and redesignated as AS/NZS 2885.5:2002. First published as AS 1978-1977. Second edition 1987. Jointly revised and redesignated as AS/NZS 2885.5:2002.

    Standards Referenced By This Book - (Show below) - (Hide below)

    AS 2885.1-1997 Pipelines - Gas and liquid petroleum - Design and construction
    AS 2520-1981 Petroleum measurement tables
    AS 1697-1981 Gas transmission and distribution systems (known as the SAA Gas Pipeline Code)
    AS 2885.3-2001 Pipelines - Gas and liquid petroleum - Operation and maintenance
    AS 1349-1986 Bourdon tube pressure and vacuum gauges (Reconfirmed 2018)
    AS 1376-1973 Conversion factors (incorporating Amdts 1 and 2)
    AS 1855-1976 Methods for the determination of transverse tensile properties of round steel pipes
    AS 2706-1984 Numerical values - Rounding and interpretation of limiting values

    Standards Referencing This Book - (Show below) - (Hide below)

    AS 2885.2-2002 Pipelines - Gas and liquid petroleum - Welding
    AS/NZS 4645.2:2008 Gas distribution networks Steel pipe systems
    AS/NZS 4645.3:2008 Gas distribution networks Plastics pipe systems
    AS 2885.0-2008 Pipelines - Gas and liquid petroleum - General requirements
    AS 3961-2005 The storage and handling of liquefied natural gas
    AS 3846-2005 The handling and transport of dangerous cargoes in port areas
    AS 2885.4-2010 Pipelines - Gas and liquid petroleum Submarine pipeline systems
    AS 1697-2005 Installation and maintenance of steel pipe systems for gas
    AS 2885.2-2007 Pipelines - Gas and liquid petroleum - Welding
    AS 2885.1-2007 Pipelines - Gas and liquid petroleum - Design and construction
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