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PAS 128 Accuracy Zone Modelling

The accurate detection, identification, verification and location of underground utility assets has always been a difficult task, subject to interpretation and inaccuracies. According to the ‘PAS 128:2014 Specification for underground utility detection, verification and location’ having insufficient or unreliable information leads to:

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What is PAS 128?

PAS 128:2014 is the latest specification for underground utility detection, however a new revision to the standard is being released in 2020 (watch our video here). The purpose of the PAS 128 specification is to set out clear requirements when carrying out the detection, verification and location of active, abandoned, redundant or unknown utilities.