General (G Series)

This Standard has been produced primarily for the benefit of network designers, operators of caravan parks and marinas, and gas operatives, providing best practice on distributing, metering and installing Natural Gas (NG) and liquefied petroleum gas (LPG) (including cylinder and bulk storage) plant, along with additional requirements, interpretation and clarification of national legislation, standards and Codes of Practice (CoPs).

IGEM/G/11 Edition 2 - Gas industry unsafe situations procedure

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

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

IGEM/G/12 - Universally adopted graphical symbols

The IGEM G Series includes all the General gas standards

IGEM/G/101 - Onshore natural gas extraction and route to use

IGEM/G/11 Supplement 1 - Responding to domestic CO alarm activations/reports of fumes

This document is largely based upon the original requirement for NRVs as agreed between British Gas and Energy Utilities Alliance, as published in IM14 in 1989.

This standard contains basic guidance on the transport and storage of polyethylene (PE) pipes and fittings for use in any fuel gas installation

IGEM/G/7 - Risk assessment techniques

This Standard has been created to ensure a consistent approach is taken in producing IGEM Standards.

IGEM/G/1 +A: 2013 - Defining the end of the network

This standard provides definitions of the terms used in IGEM Standards. It applies to all Natural Gas systems and to Liquefied Petroleum Gas and Liquefied Petroleum Gas/air systems where appropriate