In March 2022 the Institution of Gas Engineers and Managers (IGEM) published a 17 page supplement to their G 11 “Gas Industry Unsafe Situations Procedure” document. This supplement, titled “Responding to domestic CO alarm activations/reports of fumes after attendance by the emergency service provider or the Liquefied Petroleum Gas supplier”, is intended to offer additional guidance to engineers who experience reports of a CO alarm activation or fumes in present within a domestic premise.
The guidance provides a safe procedure for addressing these situations, including when to escalate the incident to a specially qualified engineer, such as someone holding a CMDDA1 certificate. The procedure assumes the engineer is using a calibrated EN50379 approved Flue Gas Analyser, such as a Kane analyser, to establish if a genuine danger