All IGEM Technical Gas Standards

IGEM/TD/13 Edition 2 Supplement 1 - Pressure regulating installations for hydrogen at pressures exceeding 7 bar

Pressure regulating installations (PRIs) for new and repurposing of existing PRIs for transmission of Natural Gas (NG)/Hydrogen blends for pressures not exceeding 7 bar

This Standard covers the product requirements for primary diaphragm gas meters with a maximum flow rate in the range 6 m³h-1 to 160 m³h-1 that may be purchased for installation in domestic, commercial and industrial locations.

This Reference Standard is aligned to IGEM/TD/13 Edition 3 and aims to identify and discuss the principles required for the safety and integrity of Hydrogen pressure regulating.

This standard covers the minimum safety requirements for combustion systems used in gas fired commercial plant

This Reference Standard addresses the issues arising from the proposal to distribute Hydrogen through existing NG steel and PE pipelines (mains and services) repurposed for Hydrogen service at pressures not exceeding 7 bar.

This standard provides guidance for emergency situations involving transportation by road of bulk LNG on public highways and s applicable to LNG transport in the United Kingdom.

This interim hydrogen training Specification relates to Persons within the gas industry wishing to extend their range of work (as defined in Guidance Note 8 (GN8)).

This Reference Standard addresses the issues arising from the proposal to distribute Hydrogen through steel and polyethylene (PE) pipelines (mains and services) at pressures below 7 bar. Where the term pipeline is used, it applies to both mains and services; specific requirements for mains and services will be specified as mains or services.

This Standard covers industry agreed changes to working practice set out in Recommendation for changes to working practice Communication 1830.

This standard covers the design, construction, inspection, maintenance, operation and distribution of Liquified Natural Gas (LNG) by road and it’s ancillary loading and unloading equipment.

This Specification is a supplement to the IGEM/IG/1 Edition 2 Standards of training in gas work document.

The IGEM/SR/25 calculator was developed by GL Noble Denton (now DNV GL) in agreement with the networks; Cadent, SGN, Northern Gas Network, Wales & West and IGEM.

This standard covers pressure regulating installations for natural gas, Liquid Petroleum Gas (LPG) and LPG/air

This standard provides guidance on gas installations in buildings designed to be used by multiple sets of occupants, whether as a home or as a commercial property i.e. a set of flats above a shop

This standard contains guidance on the appropriate installation and usage of systems designed to convert gas volume readings to base conditions

IGEM/G/12 - Universally adopted graphical symbols

This guidance is for Gas Transporters, gas suppliers, gas operatives and others and covers reporting and investigating incidents and dangerous occurrences associated with the supply and use of fuel..

This Supplement gives additional requirements and qualifications for the distribution of Natural Gas/Hydrogen blended mixtures, and for the repurposing of Natural Gas pipelines for NG/H blends and is only to be used in conjunction with IGEM/TD/3 Edition 5.

This standard contains details of basic pipeline construction, installation and maintenance for gas services

IGEM/SR/25 Edition 2 with amendments 2013 Hydrogen Supplement 1

This standard covers the essential safety aspects of the engineering, startup, operation and shutdown of Natural Gas and fuel oil fired gas turbines and associated equipment

The IGEM GL Series includes all the Legislation standards

The IGEM GM Series includes all the Gas Measurement standards.

The IGEM SR Series includes all the Safety related Gas Standards

The IGEM UP series includes all the Gas Utilisation standards

The IGEM G Series includes all the General gas standards

The IGEM TD Series includes all the Transmission and Distribution standards.

This Guidance applies to the management, operation and maintenance of gas pipework, systems and appliances used for teaching purposes.

This Reference Standard aims to identify and discuss the principles required for the safety and integrity of Hydrogen installation and utilisation in premises.