Last edited 27 May 2020

Construction product approval process

Construction Quality Planning Guide, Draft for Consultation, Published by the Construction Innovation Hub in May 2020, defines the Construction Product Approval Process (CPAP) as: ‘An adaptation of Production Part Approval Process (PPAP) that is aimed at those enterprises that will feed construction with new componentry for offsite builds.’

The Production Part Approval Process is: ‘A process, standardised by both the automotive and aerospace industries, that outlines the steps and requirements for approval of production designs and/or manufacturing processes throughout the product development cycle. It also ensures that the entire supply chain understands these steps when procuring externally manufactured parts.’

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