AS 4822:2018 pdf free.External field joint coatings for steel pipelines. 3.1 APPLICATION PROCEDURE SPECIFICATION (APS) Prior to start of application and any agreed PQT and/or PPT (see Clauses 3.3 and 3.5), the APS shall be prepared (that is a compilation of documents related to the project-specific control of FJC), including the following: (a) A list of all PPE and detailed...