G 458 Technical Rule - Standard 03/2016 -PDF file-
Uprating of Steel Gas Pipelines
- Format: 11 pages
- Material: available as PDF only
- Ausgabe: 2nd edition 2016
- Hinweis: German version G 458
- Verkaufseinheit: 1
- Mindestabnahme: 1
- Artikel-Nr.: 510430
38,35 €*
1 Scope
2 Normative references
2.1 DVGW Set of Rules
2.2 National standards
2.3 Laws and ordinances
3 Terms
3.1 Pressure
3.2 Maximum allowable operating pressure MOP
3.3 Test pressure
3.4 Uprating
3.5 Pressure testing
3.6 Leak tightness testing
3.7 Corrosion protection
3.7.1 Passive corrosion protection
3.7.2 Cathodic protection
3.8 Gas grid operators (hereinafter operators)
4 General
5 Classification of gas pipelines
6 Experts
7 Testing
7.1 Calculation
7.2 Construction and operation documentation
7.3 Gas pipeline condition testing
7.3.1 Group 1 gas pipelines
7.3.2 Group 2 gas pipelines
7.3.3 Group 3 gas pipelines
7.3.4 Pipeline documentation
7.4 Expert opinion
7.5 Pressure testing
7.5.1 General
7.5.2 Hydrostatic pressure testing
7.5.3 Pressure testing using other media
7.5.4 Safety measures
7.5.5 Pressure test certificate
7.6 Commissioning
7.7 Final certificate