Wales & West Utilities (WWU) was launched on 1 June 2005 and has circa 35,000km of gas pipelines covering Wales and the South West of England. WWU covers one sixth of the UK landmass and its catchment area has a population of 7.4 million, and serves around 2.4 million gas customers.

Surveys of the AGI asset base confirmed the need for a programme or programmes of specific improvements / refurbishment to be undertaken over a wide range of sites dispersed over the entirety of the operating area. As part of the initial upgrade work Fingleton White were appointed specifically to conduct site surveys and produce appropriate designs for upgrading and modifying 24 existing AGIs - 25bar-2barmbar - 1,000 to 5,000SCMH. Replacementof obsolete waterbath heaters with heat exchangers / boilers. Hot tapping existing 150mm 25bar pipeline and upgrading electrical and instrumentation installations.