G 402 Code of Practice 07/2011
Grid and damage statistics - ^ maintenance strategies for gas distribution systems ++ PDF file ++
- Herausgeber/Verlag: DVGW
- Format: 38 pages
- Material: available as PDF only
- Ausgabe: 2nd edition 2011
- Hinweis: German version G 402
- Verkaufseinheit: 1
- Mindestabnahme: 1
- Artikel-Nr.: 508592
79,28 €*
1 Scope
2 Normative references
3 Definition of terms
3.1 As-built data
3.3 Operability
3.4 Gas distribution system
3.5 Inspection
3.6 Maintenance
3.7 Overhauling
3.8 Gas line section
3.9 Line object
3.10 In-service behaviour
3.11 Dot object
3.12 Rehabilitation
3.13 Repair
3.14 Reconstruction
3.15 Damage
3.16 Type of damage
3.17 Damage data
3.18 Damage rate
3.19 Cause of damage
3.20 Weakness
3.21 Service
3.22 Ambient data
3.23 Condition data
4 Gas distribution system maintenance ? Fundamentals
4.1 General
4.2 Maintenance strategies
4.3 Maintenance activities
5 Maintenance relevant data
5.1 General
5.2 As-built data
5.3 Damage data
5.4 Other condition data
5.5 Ambient data
6 Data collection
6.1 General
6.2 Documentation requirements
7 Data preparation and evaluation
7.1 General
7.2 Data preparation
7.2.1 As-built data preparation
7.2.2 Damage and condition data preparation
7.2.3 Ambient data preparation
7.3 Data evaluation
8 Development and control of maintenance strategies
8.1 General
8.2 Development of maintenance strategies
8.3 Control of the efficacy of a maintenance strategy
9 Maintenance planning ? Data processing systems
Annex A (informative) ? Data collection examples
Annex B (informative) ? Pipe-laying times for different pipeline materials and connection types
Annex C (informative) ? Potential criteria for defining groups
Annex D (informative) ? Condition data produced from cathodic protection system
Annex E (informative) ? Cathodic Protection (CP) based maintenance schedule
Annex F (normative) ? Special grey cast iron programme
Annex G (informative) ? Preparation of damage and condition data
Annex H (informative) ? Development of a maintenance strategy - Fundamentals
Annex I (informative) ? Forms for collecting damage, as-built and condition data (examples)