Engineering against loss of secondary and tertiary containment

167 The final report of the MIIB on the Buncefield Incident of 11 December 2005 provides two recommendations covering engineering against loss of secondary and tertiary containment. These are detailed below. 

The Competent Authority and the sector should jointly review existing standards for secondary and tertiary containment with a view to the Competent Authority producing revised guidance by the end of 2007. The review should include, but not be limited to the following  

On existing sites, it may not be practicable to fully upgrade bunding and site drainage. Where this is so operators should develop and agree with the Competent Authority risk based plans for phased upgrading as close to new plant standards as is reasonably practicable. 

169 The phase of implementing good praotice has raised a number of practical issues from the field. This section of the PSLG Final Report provides further information on these aspects. 

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Dutyholders should comply with the recommendations in Part 4 of this guidance (Engineering against loss of secondary and tertiary containment) so far as is reasonably practicable. 

Engineering against loss of secondary and tertiary containment... 

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