IGEM/UP/1B Edition 4

What is IGEM/UP/1B Edition 4

IGEM/UP/1B Edition 4 is the latest draft of a standard that addresses all aspects of tightness testing and direct purging for small gas installations. It applies to systems with or without a meter, having a maximum badged capacity not exceeding 16 m³/h and a supply Maximum Operating Pressure (MOP) up to 2 bar. Notably, this edition includes provisions for installations on Caravans and Leisure Accommodation Vehicles (LAVs), broadening its scope beyond traditional settings.

Key Features of IGEM/UP/1B Edition 4:

Scope Expansion

• The standard now encompasses installations on Caravans and Leisure Accommodation Vehicles (LAVs), ensuring safety and compliance in these environments.

Testing Procedures

• It outlines detailed procedures for tightness testing and direct purging, ensuring the integrity and safety of gas installations.

Risk Assessment

• Emphasises the importance of conducting thorough risk assessments and method statements prior to commencing work.

Site Survey

• Mandates a comprehensive survey of the work site to identify potential hazards and ensure appropriate safety measures are in place.

Occupier Communication

• Stresses the need to inform property occupiers about the work to be undertaken, any identified defects, and safety precautions.

Equipment Verification

• Requires confirmation that all materials, tools, and test equipment are suitable and in good condition before use.

When is IGEM/UP/1B Edition 4 Applicable?

This standard is applicable in various scenarios, including:

New Installations

• Before commissioning new gas installations to ensure system integrity.

Suspected Leaks

• When a gas leak is suspected in an existing installation, necessitating immediate testing.

System Modifications

• After adding new sections to existing installations to confirm the integrity of the entire system.

Pressure Loss

• In situations where there is an unexplained loss of pressure within the system.

Comparison with Previous Editions

While the core principles of tightness testing and direct purging remain consistent, Edition 4 introduces specific updates:

Inclusion of LAVs

• Extends the standard’s applicability to Caravans and Leisure Accommodation Vehicles, addressing the unique requirements of these installations.

Procedure Revisions

• Based on industry feedback, certain test procedures have been revised to enhance clarity and effectiveness.

Implications for Industry Professionals

Adherence to IGEM/UP/1B Edition 4 ensures that gas installations are tested and purged following the latest industry best practices, thereby enhancing safety and compliance. Professionals should familiarize themselves with the updated procedures and incorporate them into their operational protocols.

Call for Industry Feedback

IGEM is currently seeking comments on specific sections of the draft standard, namely 5.3.1.1, 5.3.2.1, 5.3.3.1, and Appendix 8. Stakeholders are encouraged to review these sections and provide feedback by March 25, 2025. The draft document and comment form are available on the IGEM website. 

Conclusion

IGEM/UP/1B Edition 4 represents a significant update to the standards governing tightness testing and direct purging of small gas installations. By incorporating industry feedback and expanding its scope, it aims to enhance safety and ensure best practices across various settings, including caravans and leisure vehicles. Industry professionals are encouraged to review the draft and contribute their insights to shape the final standard.

For more detailed information and to access the draft standard, please visit the IGEM website.