Guidelines & Legislation
HSE Report 253
The Health and Safety Executive commissioned this study by ABB Eutech Limited. It deals with the development of a high level strategy for improving pipework integrity on industrial sites in the UK. This project was intended to develop proposals that would help companies reduce the occurrence of pipework failure. The report identifies key areas where improvements, that should help to reduce incidents of pipework failures, could be made.
This study has examined commonly available information on pipework, reviewed typical failures of pipework and has drawn upon practical experience from the chemical industry.
This study has used a ‘life cycle’ model of integrity to assess findings and present recommendations. For pipework the life cycle starts with scope definition, continues through design, construction, operation, and maintenance, includes modification and repair, and ends with decommissioning and disposal.
Of particular interest is section 11.3 ‘Integrity of bolted flanges’ **
** “To improve the integrity of bolted flanged joints, organisations should be encouraged to develop and implement appropriate systems. These systems would involve a range of measures, depending on the joint’s ‘criticality’ (determined by a risk assessment). They would cover all the life cycle steps from design through to life extension, and include training and qualifying installers”.
January 14, 2015
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