AS 2885.3-1997

1 - AS 2885.3-1997 PIPELINES - GAS AND LIQUID PETROLEUM - OPERATION AND MAINTENANCE
4 - PREFACE
5 - CONTENTS
7 - SECTION 1 SCOPE AND GENERAL
7 - 1.1 SCOPE
7 - 1.2 BASIS OF STANDARD
7 - 1.3 APPLICATION
7 - 1.4 RISK MANAGEMENT
7 - 1.5 REFERENCED DOCUMENTS
7 - 1.6 DEFINITIONS
7 - 1.7 RECORDS
9 - SECTION 2 PREPARATION FOR OPERATION
9 - 2.1 GENERAL
9 - 2.2 PROCEDURES AND PLANS
9 - 2.3 RESPONSIBILITIES FOR PERSONNEL
9 - 2.4 READINESS FOR OPERATION
9 - 2.5 DELAYED COMMENCEMENT OF OPERATION
10 - 2.6 FILLING PROCEDURES
10 - 2.6.1 General
10 - 2.6.2 Filling a gas pipeline
10 - 2.6.3 Filling a liquid petroleum pipeline
11 - 2.6.4 Filling a high vapour pressure liquid (HVPL) pipeline
12 - SECTION 3 OPERATING REQUIREMENTS
12 - 3.1 GENERAL
12 - 3.2 NORMAL OPERATING PROCEDURES
12 - 3.2.1 Operating to design conditions
12 - 3.2.2 Pipeline surveillance
14 - 3.2.3 Stations
14 - 3.2.4 Third party awareness
16 - 3.2.5 External interference near pipelines
17 - 3.2.6 Communications systems
17 - 3.2.7 Noise abatement
17 - 3.2.8 Leakage survey and detection
17 - 3.2.9 Review of procedures
17 - 3.3 SAFETY AND OPERATING PLAN
17 - 3.3.1 General
17 - 3.3.2 Safety and operating plan requirements
18 - 3.4 EMERGENCY PLANS
19 - 3.5 VENTING PROCEDURES
19 - 3.5.1 Precautions to prevent an explosion
19 - 3.5.2 Venting gas
19 - 3.6 PURGING PROCEDURES
19 - 3.6.1 General
19 - 3.6.2 Gas
20 - 3.6.3 Hydrocarbon liquid
20 - 3.6.4 Purging an HVPL
20 - 3.6.5 Trapped hydrocarbon
21 - SECTION 4 OPERATING CONDITION CHANGES
21 - 4.1 DESIGN CONDITION CHANGES
21 - 4.2 PRESSURE TESTING OF DESIGN CONDITION CHANGES
22 - 4.3 PIPELINE MODIFICATIONS
22 - 4.4 REVIEW OF PRESSURE-CONTROL AND OVER-PRESSURE PROTECTION SYSTEMS
22 - 4.5 REVIEW OF DESIGN LIFE
22 - 4.6 REVIEW OF MAXIMUM ALLOWABLE OPERATING PRESSURE (MAOP)
22 - 4.7 REVIEW OF LOCATION CLASSES
22 - 4.8 TRANSFER OF OWNERSHIP OR OPERATORSHIP OR BOTH
22 - 4.9 ABANDONING A PIPELINE
23 - 4.10 RECORDS
24 - SECTION 5 MAINTENANCE REQUIREMENTS
24 - 5.1 PIPELINE INTEGRITY
24 - 5.1.1 General
24 - 5.1.2 Monitoring plan
24 - 5.1.3 Audit
24 - 5.2 PIPELINE INSPECTION AND ASSESSMENT
24 - 5.2.1 General
25 - 5.2.2 Regularity of assessment
25 - 5.2.3 Assessment results and appropriate action
25 - 5.2.4 Internal surfaces
25 - 5.2.5 External surfaces
25 - 5.3 COATINGS
25 - 5.3.1 Above-ground pipework
26 - 5.3.2 Below-ground pipework
26 - 5.4 PIPE WALL DEFECT ASSESSMENT
26 - 5.4.1 Damaged pipework
26 - 5.4.2 Corroded pipework
28 - 5.4.3 Assessment of corroded pipework
28 - 5.5 ANCILLARY EQUIPMENT ASSESSMENT
28 - 5.5.1 General
28 - 5.5.2 Valves
28 - 5.5.3 Pipe supports
28 - 5.5.4 Ground entry locations
28 - 5.6 CATHODIC PROTECTION CRITERIA
28 - 5.6.1 General
29 - 5.6.2 Steel-cased crossings
29 - 5.7 CATHODIC PROTECTION INSPECTION
29 - 5.7.1 Inspectors
29 - 5.7.2 Measuring equipment
29 - 5.7.3 Inspections
29 - 5.7.4 Records
29 - 5.8 PRESSURE CONTROL AND PROTECTIVE EQUIPMENT INSPECTION
29 - 5.9 PIG TRAP INSPECTION AND MAINTENANCE
29 - 5.10 CASING (SLEEVE) MAINTENANCE
30 - 5.11 STRUCTURES HOUSING EQUIPMENT
31 - SECTION 6 PIPELINE REPAIRS
31 - 6.1 GENERAL
31 - 6.2 SUPERVISION
31 - 6.3 COMMUNICATION AND CONTROL
31 - 6.4 WORKING ON PIPELINES
31 - 6.4.1 General
31 - 6.4.2 Tunnels, shafts, and casing
31 - 6.4.3 Precautions to prevent an explosion
32 - 6.4.4 Pipelines filled with hydrocarbon gas
32 - 6.4.5 Pipelines filled with liquid petroleum or HVPL
32 - 6.4.6 Purged pipelines
33 - 6.5 REPAIR STRATEGY
33 - 6.5.1 Initial response
33 - 6.5.2 Repair strategy flowchart
33 - 6.5.3 Temporary repairs
33 - 6.5.4 Permanent repairs
33 - 6.6 WELDING ONTO AN IN-SERVICE PIPELINE
33 - 6.6.1 General
33 - 6.6.2 Monitoring of operating conditions
33 - 6.6.3 Resumption of normal operation
35 - 6.7 HOT-TAPPING OPERATIONS
35 - 6.7.1 General
35 - 6.7.2 Location of connections
35 - 6.7.3 Design
35 - 6.7.4 Pipe support prior to drilling
36 - APPENDIX A - LIST OF REFERENCED DOCUMENTS
36 - A1 IDENTIFICATION OF DOCUMENTS
36 - A2 REFERENCED DOCUMENTS
38 - APPENDIX B - ASSESSMENT OF A CORRODED PIPELINE
38 - B1 SCOPE
38 - B2 ASSESSMENT BY PRESSURE TESTING
38 - B3 ASSESSMENT BY CALCULATION
38 - B3.1 General
38 - B3.2 Hoop stress analysis
48 - INDEX

Specifies minimum requirements for the operation and maintenance of pipelines designed to AS 2885.1. It also applies to the operation and maintenance of existing pipelines when they are modified to operate under the conditions within the scope of the Standard.

This Standard specifies the minimum requirements for the operation and maintenance of pipelines complying with AS 2885.1 and AS 2885.2.

First published in part as part of AS CB28-1972.
Revised and redesignated AS 1697-1975.
AS 1958 first published 1976.
AS 2018 first published 1977.
Second edition AS 1697-1979.
Third edition 1981.
Second edition AS 1958-1981.
Second edition AS 2018-1981.
AS 1958-1981 and parts of AS 1697-1981 and AS 2018-1981 revised, amalgmated and redesignated AS 2885-1987.
Parts of AS 1697-1981, AS 2018-1981 and AS 2885-1987 revised, amalgamated and redesignated in part as AS 2885.3-1997.