I.S. 821:2006
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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GAS PRESSURE REGULATING STATIONS FOR DISTRIBUTION
Hardcopy , PDF
21-11-2017
English
01-01-2006
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DECLARATION
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 I.S. EN 12186
5 Quality system
6 Layout of the gas pressure regulating station
6.1 General
6.2 Proximity requirements
6.3 Layout of the site
6.4 Site security
7 Housings
7.1 General
7.2 Requirements for housings
7.3 Underground stations
7.3.1 General
7.3.2 Stations in a pit
7.3.3 Buried vessel type stations
8 Design of the station
8.1 General
8.2 Gas pre-heating
8.3 Filters, separators, scrubbers
8.4 Noise control
8.4.1 General
8.4.2 Environmental acceptance
8.4.3 Work area noise
8.5 Apertures and vent lines
8.5.1 Apertures
8.5.2 Vent lines
8.6 Electrical installation
8.7 Lightning and earthing
8.8 Cathodic protection and electrical isolation
8.9 Ancillaries
8.10 Pipework
8.11 Welding
8.12 Instrumentation pipework
8.13 Stress analysis
8.13.1 General
8.13.2 Design pressure
8.13.3 Design factor
8.13.4 Supports
8.13.5 Flexibility
8.13.6 Temperature
8.13.7 Gas velocity
8.14 Isolating valves
8.14.1 Supports
8.15 Isolating valves
9 Pressure control
9.1 General
9.2 Pressure regulating system
9.3 Pressure safety system
9.3.1 General
9.3.2 Operating principles of pressure safety
systems
9.3.3 Applications
9.4 Non-venting pressure safety devices
9.4.1 Safety shut-off devices
9.4.2 Monitors
9.5 Venting pressure safety devices
9.5.1 General
9.5.2 Creep relief valve
9.6 Pressure warning system
9.7 Instrumentation
9.8 Bypasses
9.8.1 Temporary bypasses for equalization or
testing
9.8.2 Bypasses of the pressure control and/or
safety system
10 Testing
10.1 General
10.2 Strength test
10.2.1 General
10.2.2 Installations with MOP up to and including
16 bar
10.3 Tightness test
10.4 Reporting
11 Commissioning
12 Operation and maintenance
12.1 General
12.2 Data
12.3 Maintenance
12.4 Training
12.5 Work undertaken
12.6 Firefighting
12.7 Maintenance review
Annex A (normative) Proving tests
A.1 Safety
A.2 General
A.3 Test equipment
A.4 Pneumatic tests
A.5 Hydrostatic tests
A.6 Test certificates and records
Bibliography
Specifies the minimum requirements applicable to the design, materials, construction, testing, operation and maintenance of gas pressure regulating stations which form part of a gas distribution system.
| DocumentType |
Standard
|
| Pages |
36
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Superseded
|
| SupersededBy |
| I.S. 822:2007 | GAS PRESSURE REGULATING INSTALLATIONS ON SERVICE PIPELINES |
| S.R. 12007-5:2016 | GUIDANCE ON THE APPLICATION OF I.S. EN 12007-5:2014, GAS INFRASTRUCTURE - PIPELINES FOR MAXIMUM OPERATING PRESSURE UP TO AND INCLUDING 16 BAR - PART 5: SERVICE LINES - SPECIFIC FUNCTIONAL REQUIREMENTS |
| I.S. 329:2015 | GAS DISTRIBUTION MAINS (EDITION 3) |
| IEC 60079-10:2002 | Electrical apparatus for explosive gas atmospheres - Part 10: Classification of hazardous areas |
| I.S. 822:2007 | GAS PRESSURE REGULATING INSTALLATIONS ON SERVICE PIPELINES |
| I.S. EN ISO 9002:1994 | QUALITY SYSTEMS - MODEL FOR QUALITY ASSURANCE IN PRODUCTION, INSTALLATION AND SERVICING |
| I.S. EN ISO 9001:2015 | QUALITY MANAGEMENT SYSTEMS - REQUIREMENTS (ISO 9001:2015) |
| I.S. EN ISO 9000:2015 | QUALITY MANAGEMENT SYSTEMS - FUNDAMENTALS AND VOCABULARY (ISO 9000:2015) |
| I.S. EN 1776:2015 | GAS INFRASTRUCTURE - GAS MEASURING SYSTEMS - FUNCTIONAL REQUIREMENTS |
| IEC 60079-17:2013 | Explosive atmospheres - Part 17: Electrical installations inspection and maintenance |
| I.S. EN 12327:2012 | GAS INFRASTRUCTURE - PRESSURE TESTING, COMMISSIONING AND DECOMMISSIONING PROCEDURES - FUNCTIONAL REQUIREMENTS |
| I.S. EN 1594:2013 | GAS INFRASTRUCTURE - PIPELINES FOR MAXIMUM OPERATING PRESSURE OVER 16 BAR - FUNCTIONAL REQUIREMENTS |
| I.S. EN ISO 9000-1:1994 | QUALITY MANAGEMENT AND QUALITY ASSURANCE STANDARDS - PART 1: GUIDELINES FOR SELECTION AND USE |
| I.S. EN 12732:2013 | GAS INFRASTRUCTURE - WELDING STEEL PIPEWORK - FUNCTIONAL REQUIREMENTS |
| I.S. EN ISO 9003:1994 | QUALITY SYSTEMS - MODEL FOR QUALITY ASSURANCE IN FINAL INSPECTION AND TEST |
| I.S. EN 334:2005 | GAS PRESSURE REGULATORS FOR INLET PRESSURES UP TO 100 BAR |
| I.S. EN 60079-10:2003 | ELECTRICAL APPARATUS FOR EXPLOSIVE GAS ATMOSPHERES - CLASSIFICATION OF HAZARDOUS AREAS |
| I.S. EN 12954:2001 | CATHODIC PROTECTION OF BURIED OR IMMERSED METALLIC STRUCTURES - GENERAL PRINCIPLES AND APPLICATION FOR PIPELINES |
| I.S. EN 10204:2004 | METALLIC PRODUCTS - TYPES OF INSPECTION DOCUMENTS |
| I.S. EN 12279:2000 | GAS SUPPLY SYSTEMS - GAS PRESSURE REGULATING INSTALLATIONS ON SERVICE LINES - FUNCTIONAL REQUIREMENTS |
| I.S. EN 60079-14:2014 | EXPLOSIVE ATMOSPHERES - PART 14: ELECTRICAL INSTALLATIONS DESIGN, SELECTION AND ERECTION |
| IEC 60079-14:2013 | Explosive atmospheres - Part 14: Electrical installations design, selection and erection |
| I.S. EN 12186:2014 | GAS INFRASTRUCTURE - GAS PRESSURE REGULATING STATIONS FOR TRANSMISSION AND DISTRIBUTION - FUNCTIONAL REQUIREMENTS |
| I.S. EN 12007-1:2012 | GAS INFRASTRUCTURE - PIPELINES FOR MAXIMUM OPERATING PRESSURE UP TO AND INCLUDING 16 BAR - PART 1: GENERAL FUNCTIONAL REQUIREMENTS |
| I.S. EN 60079-17:2014 | EXPLOSIVE ATMOSPHERES - PART 17: ELECTRICAL INSTALLATIONS INSPECTION AND MAINTENANCE |
| I.S. EN ISO 9004-1:1994 | QUALITY MANAGEMENT AND QUALITY SYSTEM ELEMENTS - PART 1: GUIDELINES |
| I.S. EN 1775:2007 | GAS SUPPLY - GAS PIPEWORK FOR BUILDINGS - MAXIMUM OPERATING PRESSURE LESS THAN OR EQUAL TO 5 BAR - FUNCTIONAL RECOMMENDATIONS |
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