IGEM - UP/1C
Strength testing, tightness testing and direct purging of Natural Gas and LPG meter installations
|Publication Date:||1 March 2011|
This is a new Standard which applies for any meter installation (or part thereof):
• supplying Natural Gas or LPG
• MOP < 7 bar
• with a volume not exceeding 1 m3
• having a method of temporarily sealing the outlet of the installation/section
• not including polyethylene (PE) pipe or fittings
• which is not within scope of IGE/UP/1B.
This Standard applies for any meter installation:
• Supplying Natural Gas or LPG
• MOP ≤ 7 bar
• With a volume not exceeding 1 m3
• Having a method of temporarily sealing the outlet of the installation/section
• Not including polyethylene pipe or fitting
• Which is not within the scope of IGE/UP/1B
It covers pneumatic strength and tightness testing, along with direct purging. It covers testing in the following circumstances:
• Prior to a new installation being commissioned with gas
• Where a leak is suspected to exist on an existing installation
• Where a new section has been added into an existing installation
• Where there has been a complete loss of pressure, for any reason.
It covers direct purging in the following situations:
• New installation
• Alteration to, replacement of, or re-use of, an existing installation
• Where there has been a complete loss of pressure for any reason
• Where there is the possibility of air being present in an installation
• Where an installation is to be taken temporarily or permanently out of service
IGEM/UP/1C recommends that if an installation is within scope of IGE/UP/1B then IGE/UP/1B should be used. This applies whether or not there is a means of isolation on the outlet.
IGEM/UP/1C is most useful for those meter installations that have a means of isolation on the outlet, are out of scope of IGE/UP/1B and where there is no desire to test the installation pipework downstream of the meter installation.
In the main IGEM/UP/1C is aimed at those who undertake meter installation/replace