G 458 Technical Rule - Standard 03/2016 -PDF file-

Uprating of Steel Gas Pipelines

38,35 €*
  • 11 pages
  • available as PDF only
  • 2nd edition 2016
  • 1
  • 1
  • 510430
ST

38,35 €*

This updated edition of the Standard takes account of the developments in the national and international sets of rules that have occurred in the meantime.

A description detailing how to proceed in the event of a post‑hoc documentation audit on the basis of DVGW Standard G 453 "Measures to be taken in the event of incomplete technical acceptance documentation of pipelines" has been newly added.

In addition to the general fundamentals on how pipeline operation and maintenance, these standards also describe the requirements on gas pipeline documentation. The general fundamentals are minimum requirements agreed upon by the European experts involved in the standardisation procedure. These minimum requirements shall be complemented and implemented by detailed technical rules and / or national standards.
Foreword to 2nd Edition

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