This recommended practice (RP) has been prepared to facilitate the specification and execution of coating application work. The RP covers the application of specific types of linepipe coating systems as referred to below.
The use of this RP implies the involvement of purchaser in quality control aspects, including review of procedures and inspection/testing plans for coating application, witnessing of qualification tests (PQT) for coating and acceptance of documentation of quality control (daily log formats and index for Final Documentation) prior to start of production in order to ensure that the produced coating meets all requirements of this RP and ISO 21809-1.